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138 Commits

Author SHA1 Message Date
Jörg Thalheim
a885a36130 Merge pull request #13746 from NixOS/mergify/bp/2.29-maintenance/pr-13741
libexpr: Canonicalize TOML timestamps for toml11 > 4.0 (backport #13741)
2025-08-29 07:35:56 +02:00
mergify[bot]
2851af6784 Merge pull request #13841 from NixOS/mergify/bp/2.29-maintenance/pr-13837
flake: Update nixpkgs (backport #13837)
2025-08-27 08:20:17 +00:00
Sergei Zimmerman
42ddc10d92 flake: Update nixpkgs
• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/cd32a774ac52caaa03bcfc9e7591ac8c18617ced?narHash=sha256-VtMQg02B3kt1oejwwrGn50U9Xbjgzfbb5TV5Wtx8dKI%3D' (2025-08-17)
  → 'github:NixOS/nixpkgs/d98ce345cdab58477ca61855540999c86577d19d?narHash=sha256-O2CIn7HjZwEGqBrwu9EU76zlmA5dbmna7jL1XUmAId8%3D' (2025-08-26)

This update contains d1266642a8722f2a05e311fa151c1413d2b9653c, which
is necessary for the TOML timestamps to get tested via nixpkgsLibTests job.

(cherry picked from commit 625477a7df)
2025-08-27 07:52:40 +00:00
Sergei Zimmerman
a5ab03cb16 libexpr: Canonicalize TOML timestamps for toml11 > 4.0
This addresses several changes from toml11 4.0 bump in
nixpkgs [1].

1. Added more regression tests for timestamp formats.
   Special attention needs to be paid to the precision
   of the subsecond range for local-time. Prior versions select the closest
   (upwards) multiple of 3 with a hard cap of 9 digits.

2. Normalize local datetime and offset datetime to always
   use the uppercase separator `T`. This is actually the issue
   surfaced in [2]. This canonicalization is basically a requirement
   by (a certain reading) of rfc3339 section 5.6 [3].

3. If using toml11 >= 4.0 also keep the old behavior wrt
   to the number of digits used for subsecond part of the local-time.
   Newer versions cap it at 6 digits unconditionally.

[1]: https://www.github.com/NixOS/nixpkgs/pull/331649
[2]: https://www.github.com/NixOS/nix/issues/11441
[3]: https://datatracker.ietf.org/doc/html/rfc3339

(cherry picked from commit dc769d72cb)
2025-08-19 00:11:21 +03:00
Sergei Zimmerman
b4871a4a94 libexpr: Use table.size() instead of unnecessary loop
(cherry picked from commit d8fc55a46e)
2025-08-19 00:11:20 +03:00
Sergei Zimmerman
027bf13e18 libexpr: Use recursive lambda instead of std::function
There's no reason to use a std::function for recursive lambdas
since there are polymorphic lambdas.

(cherry picked from commit a80a5c4dba)
2025-08-19 00:11:19 +03:00
Sergei Zimmerman
3e3d2b7d01 libexpr: Remove extra trailing semicolons (NFC)
This looks really weird after the reformat.

(cherry picked from commit df4e55ffc1)
2025-08-19 00:11:18 +03:00
Sergei Zimmerman
1a55d733ce tests/functional/lang: Add more tests for TOML timestamps
Current test suite doesn't cover the subsecond formatting at
all and toml11 is quite finicky with that. We should at the very
least test its behavior to avoid silent breakages on updates.

(cherry picked from commit 7ed0229d1a)
2025-08-19 00:11:17 +03:00
John Ericson
9328af84d3 Merge pull request #13787 from NixOS/mergify/bp/2.29-maintenance/pr-13785
flake: nixpkgs: nixos-unstable -> nixos-25.05-small (backport #13785)
2025-08-18 16:56:44 -04:00
Sergei Zimmerman
2aba7ac90d hydra: Fix otherNixes.nix_2_3
25.05 has it marked as insecure, but we don't care about it
for testing purposes.

(cherry picked from commit 051290b155)
2025-08-18 22:52:16 +03:00
Sergei Zimmerman
adc17bace9 git-blame-ignore-revs: Add nixfmt 1.0.0 reformat 2025-08-18 22:51:37 +03:00
Sergei Zimmerman
d6aebd8847 flake: Apply nixfmt 1.0.0 2025-08-18 22:50:52 +03:00
Sergei Zimmerman
c53ac76f7b flake: nixpkgs: nixos-unstable -> nixos-25.05-small
About time we upgraded our nixpkgs flake input. Ideally
we'd have automation to do this.

Flake lock file updates:

• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/adaa24fbf46737f3f1b5497bf64bae750f82942e?narHash=sha256-qhFMmDkeJX9KJwr5H32f1r7Prs7XbQWtO0h3V0a0rFY%3D' (2025-05-13)
  → 'github:NixOS/nixpkgs/cd32a774ac52caaa03bcfc9e7591ac8c18617ced?narHash=sha256-VtMQg02B3kt1oejwwrGn50U9Xbjgzfbb5TV5Wtx8dKI%3D' (2025-08-17)

(cherry picked from commit fc33681583)
2025-08-18 22:48:03 +03:00
mergify[bot]
2454267de0 Merge pull request #13648 from NixOS/mergify/bp/2.29-maintenance/pr-13393
Fix typo: remove an extra word (backport #13393)
2025-07-31 03:47:43 +00:00
mergify[bot]
9572fdeb3b Merge pull request #13650 from NixOS/mergify/bp/2.29-maintenance/pr-13395
libstore-tests: Don't leak memory in tests (backport #13395)
2025-07-31 03:47:40 +00:00
mergify[bot]
69d2e6eeef Merge pull request #13605 from NixOS/mergify/bp/2.29-maintenance/pr-13282
tests/functional: Add more language tests for `builtins.match` (backport #13282)
2025-07-31 02:16:21 +00:00
mergify[bot]
2870c177d6 Merge pull request #13612 from NixOS/mergify/bp/2.29-maintenance/pr-13305
add documentation of tarball-ttl to nix-channel (backport #13305)
2025-07-31 02:11:59 +00:00
mergify[bot]
b0169fdc5f Merge pull request #13633 from NixOS/mergify/bp/2.29-maintenance/pr-13360
libexpr: Remove non-const overload of `listElems` (backport #13360)
2025-07-31 02:11:56 +00:00
mergify[bot]
7b08e8d20e Merge pull request #13610 from NixOS/mergify/bp/2.29-maintenance/pr-13304
Fix overriding gtest with gmock (backport #13304)
2025-07-31 02:11:52 +00:00
mergify[bot]
aabe327111 Merge pull request #13646 from NixOS/mergify/bp/2.29-maintenance/pr-13382
Update docs (backport #13382)
2025-07-31 02:11:49 +00:00
mergify[bot]
ab4951588b Merge pull request #13620 from NixOS/mergify/bp/2.29-maintenance/pr-13326
docker.nix: Prevent double copy of nixpkgs source tree (backport #13326)
2025-07-31 02:11:46 +00:00
mergify[bot]
b41101c815 Merge pull request #13628 from NixOS/mergify/bp/2.29-maintenance/pr-13351
docker: make sure `nix config check` works (backport #13351)
2025-07-31 01:53:07 +00:00
mergify[bot]
cb73841205 Merge pull request #13626 from NixOS/mergify/bp/2.29-maintenance/pr-13347
Fix broken link in configuration description (backport #13347)
2025-07-31 01:53:04 +00:00
mergify[bot]
931ca7d11a Merge pull request #13635 from NixOS/mergify/bp/2.29-maintenance/pr-13361
Fix a minor typo (backport #13361)
2025-07-31 01:53:01 +00:00
mergify[bot]
b5efc9ac56 Merge pull request #13618 from NixOS/mergify/bp/2.29-maintenance/pr-13321
Modify docker.nix to use mapAttrsToList instead of mapAttrsFlatten (backport #13321)
2025-07-31 01:52:59 +00:00
mergify[bot]
012f429104 Merge pull request #13639 from NixOS/mergify/bp/2.29-maintenance/pr-13373
Fix typo (backport #13373)
2025-07-31 01:52:55 +00:00
mergify[bot]
830dfc3b60 Merge pull request #13641 from NixOS/mergify/bp/2.29-maintenance/pr-13372
Fix broken link (backport #13372)
2025-07-31 01:49:41 +00:00
mergify[bot]
2968e18d37 Merge pull request #13637 from NixOS/mergify/bp/2.29-maintenance/pr-13368
libstore: fix race condition when creating state directories (backport #13368)
2025-07-31 01:49:39 +00:00
mergify[bot]
66a379a6de Merge pull request #13596 from NixOS/mergify/bp/2.29-maintenance/pr-13257
Make the S3 test more robust (backport #13257)
2025-07-31 01:49:36 +00:00
mergify[bot]
1dcd12b819 Merge pull request #13592 from NixOS/mergify/bp/2.29-maintenance/pr-13245
nix-profile{,-daemon}.fish: check for profile in XDG_DATA_HOME (backport #13245)
2025-07-31 01:49:33 +00:00
mergify[bot]
2298df294b Merge pull request #13602 from NixOS/mergify/bp/2.29-maintenance/pr-13277
nix flake archive: add --no-check-sigs option (backport #13277)
2025-07-31 01:49:30 +00:00
mergify[bot]
b4cd61900b Merge pull request #13586 from NixOS/mergify/bp/2.29-maintenance/pr-13232
docs: add another equivalence for the implication operator (backport #13232)
2025-07-30 19:32:55 +00:00
mergify[bot]
2c258dd275 Merge pull request #13594 from NixOS/mergify/bp/2.29-maintenance/pr-13253
export/meson: Don't require `-std=c++2a` for -c libraries in `.pc` files (backport #13253)
2025-07-30 19:13:31 +00:00
mergify[bot]
75bece800d Merge pull request #13599 from NixOS/mergify/bp/2.29-maintenance/pr-13275
Remove propagated-build-inputs when static (backport #13275)
2025-07-30 19:11:57 +00:00
mergify[bot]
582caa9d8f Merge pull request #13580 from NixOS/mergify/bp/2.29-maintenance/pr-13211
libexpr: Actually cache line information in PosTable (backport #13211)
2025-07-30 19:11:53 +00:00
mergify[bot]
8a3d3b2dce Merge pull request #13590 from NixOS/mergify/bp/2.29-maintenance/pr-13244
nix-profile{,-daemon}.fish: fix do not source twice (backport #13244)
2025-07-30 19:06:05 +00:00
mergify[bot]
56069a968b Merge pull request #13582 from NixOS/mergify/bp/2.29-maintenance/pr-13213
docs: fix duplicate anchor (backport #13213)
2025-07-30 13:44:44 +00:00
Sergei Zimmerman
87ee4423ea libstore-tests: Don't leak memory in tests
We shouldn't leak memory in unit tests in order
to make enabling ASAN easier.

(cherry picked from commit 55d12dfc5d)
2025-07-30 13:02:41 +00:00
Egor Konovalov
c9ecc99ce5 Fix link
Remove extra `realise`

(cherry picked from commit df21f24987)
2025-07-30 13:01:39 +00:00
Nikita Krasnov
ceb4d561fa Update docs
(cherry picked from commit 785f3867fd)
2025-07-30 13:00:38 +00:00
Nikita Krasnov
5d58ab8042 Fix broken link
(cherry picked from commit da76bc0cac)
2025-07-30 12:59:29 +00:00
Nikita Krasnov
27a8b457b8 Fix typo
(cherry picked from commit 86dda9884a)
2025-07-30 12:58:23 +00:00
Wolfgang Walther
229e97195a libstore: fix race condition when creating state directories
Running parallel nix in nix can lead to multiple instances trying to
create the state directories and failing on the `createSymlink` step,
because the link already exists.

`replaceSymlink` is already idempotent, so let's use that.

Resolves #2706

(cherry picked from commit d64c922164)
2025-07-30 12:56:36 +00:00
jayeshv
e3f4cef054 Fix a minor typo
(cherry picked from commit 699db04df3)
2025-07-30 12:55:32 +00:00
Sergei Zimmerman
223d3222b3 libexpr: Remove non-const overload of listElems
This overload isn't actually necessary anywhere and
doesn't make much sense. The pointers to `Value`s are
themselves const, but the `Value`s are mutable.
A non-const member function implies that the object itself
can be modified but this doesn't make much sense considering
the return type: `Value * const * `, which is a pointer
to a constant array of pointers to mutable values.

(cherry picked from commit 7b46eb9958)
2025-07-30 12:54:33 +00:00
Pol Dellaiera
a98f742d67 docker: make sure nix config check works
(cherry picked from commit 57c72dee9b)
2025-07-30 12:45:49 +00:00
Luc Perkins
e0ceebe2ee Fix broken link in configuration description
(cherry picked from commit 525078c59d)
2025-07-30 12:43:45 +00:00
Eelco Dolstra
bb0e9b20aa Prevent double copy of nixpkgs source tree
(cherry picked from commit 0a87ba0e39)
2025-07-30 12:40:33 +00:00
PopeRigby
d7ed70841a Modify docker.nix to use mapAttrsToList instead of mapAttrsFlatten
The latter alias is deprecated in favor of the former, and produces a
warning.

(cherry picked from commit cfc15d6921)
2025-07-30 12:39:36 +00:00
Jade Masker
7d1704218f add reference to the tarball-ttl documentation
Co-authored-by: Valentin Gagarin <valentin@gagarin.work>
(cherry picked from commit c0ceaa2d5d)
2025-07-30 12:36:15 +00:00
Jade Masker
44a1e7e88c remove overly verbose mention of fetchTarball
Co-authored-by: Valentin Gagarin <valentin@gagarin.work>
(cherry picked from commit 633d39109b)
2025-07-30 12:36:14 +00:00
Jade Lynn Masker
ed7ebdfad3 add documentation of tarball-ttl to nix-channel
(cherry picked from commit 6badd21b6a)
2025-07-30 12:36:14 +00:00
Farid Zakaria
82fa307ca6 Overriding gtest with gmock
How did this work before...

* Added .direnv/ to gitignore

(cherry picked from commit 58e34a2d27)
2025-07-30 12:35:28 +00:00
Sergei Zimmerman
4d9d307477 tests/functional: Add more language tests for builtins.match
These tests have been collected from nixpkgs f870c6ccc8951fc48aeb293cf3e98ade6ac42668
usage of builtins.match for x86_64-linux eval system. At most 2 matching and
non-matching cases are included for each encountered regex. This should
hopefully add more confidence when possibly trying to switch the regex implementation
in the future.

(cherry picked from commit d555d6b404)
2025-07-30 12:26:20 +00:00
zimbatm
ee39380c12 nix flake archive: add --no-check-sigs option
Allows to copy the archive to a remote host and not get

    error: cannot add path '/nix/store/01x2k4nlxcpyd85nnr0b9gm89rm8ff4x-source' because it lacks a signature by a trusted key

(cherry picked from commit 80a4293486)
2025-07-30 12:24:10 +00:00
Tristan Ross
47ce401222 Remove propagated-build-inputs when static
(cherry picked from commit d07852b5f3)
2025-07-30 12:20:06 +00:00
Eelco Dolstra
78ac959e4c Make the S3 test more robust
Waiting for the minio unit is apparently not reliable enough, so let's
also wait for the port.

(cherry picked from commit ca9696748a)
2025-07-30 12:13:34 +00:00
Sergei Zimmerman
709349b118 export/meson: Don't require -std=c++2a for -c libraries in .pc files
(cherry picked from commit d8da8f0cd6)
2025-07-30 12:11:58 +00:00
Stefan Boca
9106a0b73a nix-profile{,-daemon}.fish: check for profile in XDG_DATA_HOME
...and also NIX_STATE_HOME in nix-profile.fish. This is directly
translated from the bash scripts and makes the fish scripts equivalent
in functionality to the bash scripts.

Note that nix-profile.fish checks for NIX_STATE_HOME and
nix-profile-daemon.fish does not, so the two scripts are no longer
identical.

(cherry picked from commit 751f50f4ad)
2025-07-30 12:04:56 +00:00
Stefan Boca
1b97d7409a nix-profile{,-daemon}.fish: fix do not source twice
Commit b36637c8f7 set
`__ETC_PROFILE_NIX_SOURCED` globally, but this is not enough to prevent
the script from being run again by child shells, because the
variable was not exported and thus not inherited by any child process.
Exporting the variable also agrees with the bash scripts.

Notably, the old behavior broke `nix develop -c fish` in some cases,
because the profile bin directory got prepended to the path, causing
binaries from the profile to override binareis from the devshell.

(cherry picked from commit b9ed3ae36e)
2025-07-30 12:03:51 +00:00
Stefan Boca
ab95054e64 nix-profile{,-daemon}.fish: format with fish_indent
(cherry picked from commit f627b8c721)
2025-07-30 12:03:50 +00:00
Gwenn Le Bihan
a5deed32f7 docs: add another equivalence for the implication operator
the second equivalence, using a if-else expression, aligns much closer to how most humans think about implication, adding it might help some people :)

(cherry picked from commit 51151c2c28)
2025-07-30 12:00:08 +00:00
Peder Bergebakken Sundt
94723d5b72 docs: fix duplicate anchor
`#deriving-path-encoding` is defined in two places, I _think_ this is the correct one to change.

(cherry picked from commit 4c50cf798e)
2025-07-30 11:53:57 +00:00
Sergei Zimmerman
ef8dc34bd0 libexpr: Actually cache line information in PosTable
Previous code had a sneaky bug due to which no caching
actually happened:

```cpp
auto linesForInput = (*lines)[origin->offset];
```

That should have been:
```cpp
auto & linesForInput = (*lines)[origin->offset];
```

See [1].

Now that it also makes sense to make the cache bound in side
in order not to memoize all the sources without freeing any memory.
The default cache size has been chosen somewhat arbitrarily to be ~64k
origins. For reference, 25.05 nixpkgs has ~50k .nix files.

Simple benchmark:

```nix
let
  pkgs = import <nixpkgs> { };
in
builtins.foldl' (acc: el: acc + el.line) 0 (
  builtins.genList (x: builtins.unsafeGetAttrPos "gcc" pkgs) 10000
)
```

(After)

```
$ hyperfine "result/bin/nix eval -f ./test.nix"
Benchmark 1: result/bin/nix eval -f ./test.nix
  Time (mean ± σ):     292.7 ms ±   3.9 ms    [User: 131.0 ms, System: 120.5 ms]
  Range (min … max):   288.1 ms … 300.5 ms    10 runs
```

(Before)

```
hyperfine "nix eval -f ./test.nix"
Benchmark 1: nix eval -f ./test.nix
  Time (mean ± σ):     666.7 ms ±   6.4 ms    [User: 428.3 ms, System: 191.2 ms]
  Range (min … max):   659.7 ms … 681.3 ms    10 runs
```

If the origin happens to be a `all-packages.nix` or similar in size then the
difference is much more dramatic.

[1]: 22e3f0e987

(cherry picked from commit 5ea81f5b8f)
2025-07-30 11:51:53 +00:00
Sergei Zimmerman
bb8b50e4f3 libutil: Add LRUCache::getOrNullptr
For heavier objects it doesn't make sense to return
a std::optional with the copy of the data, when it
can be used by const reference.

(cherry picked from commit 4711720efe)
2025-07-30 11:51:53 +00:00
mergify[bot]
0877680b08 Merge pull request #13561 from NixOS/mergify/bp/2.29-maintenance/pr-13558
meson: Fix `nix_system_cpu` for MIPS and 32 bit ARM systems (backport #13558)
2025-07-27 00:10:00 +00:00
Sergei Zimmerman
e37fce3899 meson: Fix nix_system_cpu for MIPS and 32 bit ARM systems
Prior patches in 54dc5314e8
and 6db6190002 fixed the default
system double for i686 and ppc/ppc64. This also patch also covers
32 bit arm and mips. ARM cpu names are taken from host_machine.cpu()
for a lack of a better option, but host_machine.cpu_family() is
preferred, since that is supposed to be somewhat standard for cross
files. Endianness is handled correctly by looking at host_machine.endian().

This also updates the documentation to be up to date to how system cpu
is translated from the host_machine specification.

(cherry picked from commit 60d124b36e)
2025-07-26 23:29:28 +00:00
Eelco Dolstra
c1f54da018 Merge pull request #13540 from NixOS/mergify/bp/2.29-maintenance/pr-13535
Fix nix_system_cpu on i686-linux (backport #13535)
2025-07-25 02:08:52 +02:00
Eelco Dolstra
a1efe99f5b Fix nix_system_cpu on i686-linux
Fixes #13532.

(cherry picked from commit 54dc5314e8)
2025-07-25 02:53:50 +03:00
Sergei Zimmerman
359227ad14 meson: Correctly handle endianness for PowerPC CPU families
I've missed this while reviewing 6db6190002.
I only built big endian ppc64, so that didn't occur to me.

From meson manual:

> Those porting from autotools should note that Meson does not add
> endianness to the name of the cpu_family. For example, autotools will
> call little endian PPC64 "ppc64le", Meson will not, you must also check
> the .endian() value of the machine for this information.

This code should handle that correctly.

(cherry picked from commit ebd311b7b7)
2025-07-25 02:53:49 +03:00
Sergei Zimmerman
e0d2cf5a89 Merge pull request #13548 from NixOS/mergify/bp/2.29-maintenance/pr-13546
ci: Make it actually possible to disable dogfooding (backport #13546)
2025-07-25 02:53:03 +03:00
Sergei Zimmerman
da770a89e6 ci: Roll back default nix to 2.29.1 in install-nix-action
Daemon tests are broken in 2.30.1 Darwin sandbox and there's
no point release with the fix yet.
2025-07-25 02:22:07 +03:00
Sergei Zimmerman
58c71ed812 ci: Make it actually possible to disable dogfooding
Github composite actions are a real treat. Boolean inputs
are not actually booleans but rather strings [1].

[1]: https://www.github.com/actions/runner/issues/2238

(cherry picked from commit f0695e177f)
2025-07-24 23:18:36 +00:00
Sergei Zimmerman
c972f66475 Merge pull request #13537 from NixOS/mergify/bp/2.29-maintenance/pr-13473
ci: Dogfood Nix from master (backport #13473)
2025-07-25 02:17:29 +03:00
Sergei Zimmerman
bfc5678471 ci: Don't dogfood installer from master
CI on release branches should be stable, otherwise backporting
might become flaky and unreliable. Dogfooding only really makes
sense for CI on master branch, where failures are not as tedious
to work around.
2025-07-25 01:56:12 +03:00
Sergei Zimmerman
a5684b2c83 ci: Dogfood nix from master for vm_tests and flake_regressions
This should provide more coverage for the build from master that
is being dogfooded.

(cherry picked from commit 3b3c02160d)
2025-07-25 01:14:39 +03:00
Sergei Zimmerman
c17e66af6f ci: Dogfood Nix from master
(cherry picked from commit 04f6974d2c)

# Conflicts:
#	.github/workflows/ci.yml
2025-07-25 01:14:38 +03:00
mergify[bot]
661caad5bb Merge pull request #13517 from NixOS/mergify/bp/2.29-maintenance/pr-13514
treewide: Fix Meson CPU names for powerpc CPUs (backport #13514)
2025-07-21 23:33:35 +00:00
OPNA2608
281e3b0247 treewide: Fix Meson CPU names for powerpc CPUs
(cherry picked from commit 6db6190002)
2025-07-21 22:49:14 +00:00
Jörg Thalheim
af342d8b2b Merge pull request #13505 from NixOS/mergify/bp/2.29-maintenance/pr-13108
Rip off the bandaid: Format the codebase with clang-format (backport #13108)
2025-07-18 22:31:35 +02:00
Sergei Zimmerman
7c2b240ded Update .git-blame-ignore-revs to ignore the mass reformatting
Co-authored-by: Graham Christensen <graham@grahamc.com>
2025-07-18 22:50:11 +03:00
Sergei Zimmerman
0e35cd6f3e Apply clang-format universally.
* It is tough to contribute to a project that doesn't use a formatter,
* It is extra hard to contribute to a project which has configured the formatter, but ignores it for some files
* Code formatting makes it harder to hide obscure / weird bugs by accident or on purpose,

Let's rip the bandaid off?

Note that PRs currently in flight should be able to be merged relatively easily by applying `clang-format` to their tip prior to merge.

Co-authored-by: Graham Christensen <graham@grahamc.com>
2025-07-18 22:49:40 +03:00
Graham Christensen
a5cfab671b Update clang-format with fixing namespace coments, and separate definition blocks
(cherry picked from commit 41bf87ec70)
2025-07-18 22:47:54 +03:00
Graham Christensen
bd1ff9f254 Drop a ton of files that should just get formatted
(cherry picked from commit e7af2e6566)
2025-07-18 22:47:48 +03:00
Graham Christensen
036cd2a408 Add sed
(cherry picked from commit 6896761d79)
2025-07-18 19:42:21 +00:00
Graham Christensen
82bf098fbe format.sh: support looping until it is happy
(cherry picked from commit ee9b57cbf5)
2025-07-18 19:42:21 +00:00
Sergei Zimmerman
4b3bbf8511 Merge pull request #13452 from NixOS/mergify/bp/2.29-maintenance/pr-13450
libexpr: Fix invalid handling of errors for imported functions (backport #13450)
2025-07-12 00:12:25 +03:00
Sergei Zimmerman
8736cb537d libexpr: Fix invalid handling of errors for imported functions
c39cc00404 has added assertions for
all Value accesses and the following case has started failing with
an `unreachable`:

(/tmp/fun.nix):

```nix
{a}: a
```

```
$ nix eval --impure --expr 'import /tmp/fun.nix {a="a";b="b";}'
```

This would crash:

```
terminating due to unexpected unrecoverable internal error: Unexpected condition in getStorage at ../include/nix/expr/value.hh:844
```

This is not a regression, but rather surfaces an existing problem, which previously
was left undiagnosed. In the case of an import `fun` is the `import` primOp, so that read is invalid
and previously this resulted in an access into an inactive union member, which is UB.
The correct thing to use is `vCur`. Identical problem also affected the case of a missing argument.

Add previously failing test cases to the functional/lang test suite.

Fixes #13448.

(cherry picked from commit 6e78cc90d3)
2025-07-11 22:51:09 +03:00
Eelco Dolstra
d4d0853fee Merge pull request #13415 from NixOS/mergify/bp/2.29-maintenance/pr-13412
libutil: Use caching `directory_entry` API in `PosixSourceAccessor::r… (backport #13412)
2025-07-01 17:48:23 +02:00
Sergei Zimmerman
aaffbc2209 libutil: Use caching directory_entry API in PosixSourceAccessor::readDirectory
Previous use of symlink_status() always translated into a stat call, leading
to huge performance penalties for by-name-overlay in nixpkgs. The comment
below references the possible caching, but that seemed to be erroneous, since
the correct way to make use of the caching API is by calling a bunch of `is_*`
functions [1]. For example, here's how libstdc++ does that [2], [3].

This translates to great nixpkgs eval performance improvements:

```
Benchmark 1: GC_INITIAL_HEAP_SIZE=4G result/bin/nix-instantiate ../nixpkgs -A hello --readonly-mode
  Time (mean ± σ):     186.7 ms ±   6.7 ms    [User: 121.3 ms, System: 64.9 ms]
  Range (min … max):   179.4 ms … 201.6 ms    16 runs

Benchmark 2: GC_INITIAL_HEAP_SIZE=4G nix-instantiate ../nixpkgs -A hello --readonly-mode
  Time (mean ± σ):     230.6 ms ±   5.0 ms    [User: 126.9 ms, System: 103.1 ms]
  Range (min … max):   225.1 ms … 241.4 ms    13 runs
```

[1]: https://www.open-std.org/jtc1/sc22/wg21/docs/papers/2016/p0317r1.html
[2]: 8ea555b7b4/libstdc%2B%2B-v3/include/bits/fs_dir.h (L341-L348)
[3]: 8ea555b7b4/libstdc%2B%2B-v3/include/bits/fs_dir.h (L161-L163)

(cherry picked from commit 8708e9a526)
2025-07-01 15:00:31 +00:00
mergify[bot]
8f6c5d088a Merge pull request #13404 from NixOS/mergify/bp/2.29-maintenance/pr-13170
Use correct parent `outPath` for relative path inputs (backport #13170)
2025-06-27 12:34:04 +00:00
Matt Sturgeon
d0290d342d Add release note for non-flake inputs having sourceInfo
(cherry picked from commit 2922e3082e)
2025-06-27 11:59:53 +00:00
Matt Sturgeon
7b050cec80 tests/functional/flakes/non-flake-inputs: Test non-flake inputs having sourceInfo
(cherry picked from commit 72232bc28a)
2025-06-27 11:59:53 +00:00
Robert Hensing
82dcbe0510 tests/function/flakes/relative-paths: Test #13164
(cherry picked from commit eaee0b4740)
2025-06-27 11:59:52 +00:00
Matt Sturgeon
31e19b0a28 Use correct parent outPath for relative path inputs
Ensure relative path inputs are relative to the parent node's _actual_
`outPath`, instead of the subtly different `sourceInfo.outPath`.

Additionally, non-flake inputs now also have a `sourceInfo` attribute.

This fixes the relationship between `self.outPath` and
`self.sourceInfo.outPath` in some edge cases.

Fixes #13164

(cherry picked from commit 46beb9af76)
2025-06-27 11:59:52 +00:00
Eelco Dolstra
7bb2001997 Bump version 2025-06-24 17:02:40 +02:00
Eelco Dolstra
5d78f74fe4 Merge remote-tracking branch 'cve/fod-cves-2.29' into 2.29-maintenance 2025-06-24 16:05:12 +02:00
mergify[bot]
b3b137ec4a Merge pull request #13392 from NixOS/mergify/bp/2.29-maintenance/pr-13348
Make the repl test more robust (backport #13348)
2025-06-22 19:41:08 +00:00
Eelco Dolstra
833406121c Make the repl test more robust
Seen in https://github.com/DeterminateSystems/nix-src/actions/runs/15590867877/job/43909540271:

  nix-functional-tests> grep: repl_output: No such file or directory
  nix-functional-tests> +(repl.sh:174) cat repl_output

This is because there is a small possibility that the `nix repl` child
process hasn't created `repl_output` yet. So make sure it exists.

(cherry picked from commit 9eb46e9cc0)
2025-06-22 19:09:38 +00:00
Eelco Dolstra
01619fbe2d Fixes for GHSA-g948-229j-48j3
Squashed commit of the following:

commit 04fff3a637d455cbb1d75937a235950e43008db9
Author: Eelco Dolstra <edolstra@gmail.com>
Date:   Thu Jun 12 12:30:32 2025 +0200

    Chown structured attr files safely

commit 5417ad445e414c649d0cfc71a05661c7bf8f3ef5
Author: Eelco Dolstra <edolstra@gmail.com>
Date:   Thu Jun 12 12:14:04 2025 +0200

    Replace 'bool sync' with an enum for clarity

    And drop writeFileAndSync().

commit 7ae0141f328d8e8e1094be24665789c05f974ba6
Author: Eelco Dolstra <edolstra@gmail.com>
Date:   Thu Jun 12 11:35:28 2025 +0200

    Drop guessOrInventPathFromFD()

    No need to do hacky stuff like that when we already know the original path.

commit 45b05098bd019da7c57cd4227a89bfd0fa65bb08
Author: Eelco Dolstra <edolstra@gmail.com>
Date:   Thu Jun 12 11:15:58 2025 +0200

    Tweak comment

commit 0af15b31209d1b7ec8addfae9a1a6b60d8f35848
Author: Raito Bezarius <raito@lix.systems>
Date:   Thu Mar 27 12:22:26 2025 +0100

    libstore: ensure that temporary directory is always 0o000 before deletion

    In the case the deletion fails, we should ensure that the temporary
    directory cannot be used for nefarious purposes.

    Change-Id: I498a2dd0999a74195d13642f44a5de1e69d46120
    Signed-off-by: Raito Bezarius <raito@lix.systems>

commit 2c20fa37b15cfa03ac6a1a6a47cdb2ed66c0827e
Author: Raito Bezarius <raito@lix.systems>
Date:   Wed Mar 26 12:42:55 2025 +0100

    libutil: ensure that `_deletePath` does NOT use absolute paths with dirfds

    When calling `_deletePath` with a parent file descriptor, `openat` is
    made effective by using relative paths to the directory file descriptor.

    To avoid the problem, the signature is changed to resist misuse with an
    assert in the prologue of the function.

    Change-Id: I6b3fc766bad2afe54dc27d47d1df3873e188de96
    Signed-off-by: Raito Bezarius <raito@lix.systems>

commit d3c370bbcae48bb825ce19fd0f73bb4eefd2c9ea
Author: Raito Bezarius <raito@lix.systems>
Date:   Wed Mar 26 01:07:47 2025 +0100

    libstore: ensure that `passAsFile` is created in the original temp dir

    This ensures that `passAsFile` data is created inside the expected
    temporary build directory by `openat()` from the parent directory file
    descriptor.

    This avoids a TOCTOU which is part of the attack chain of CVE-????.

    Change-Id: Ie5273446c4a19403088d0389ae8e3f473af8879a
    Signed-off-by: Raito Bezarius <raito@lix.systems>

commit 45d3598724f932d024ef6bc2ffb00c1bb90e6018
Author: Raito Bezarius <raito@lix.systems>
Date:   Wed Mar 26 01:06:03 2025 +0100

    libutil: writeFile variant for file descriptors

    `writeFile` lose its `sync` boolean flag to make things simpler.

    A new `writeFileAndSync` function is created and all call sites are
    converted to it.

    Change-Id: Ib871a5283a9c047db1e4fe48a241506e4aab9192
    Signed-off-by: Raito Bezarius <raito@lix.systems>

commit 732bd9b98cabf4aaf95a01fd318923de303f9996
Author: Raito Bezarius <raito@lix.systems>
Date:   Wed Mar 26 01:05:34 2025 +0100

    libstore: chown to builder variant for file descriptors

    We use it immediately for the build temporary directory.

    Change-Id: I180193c63a2b98721f5fb8e542c4e39c099bb947
    Signed-off-by: Raito Bezarius <raito@lix.systems>

commit 962c65f8dcd5570dd92c72370a862c7b38942e0d
Author: Raito Bezarius <raito@lix.systems>
Date:   Wed Mar 26 01:04:59 2025 +0100

    libstore: open build directory as a dirfd as well

    We now keep around a proper AutoCloseFD around the temporary directory
    which we plan to use for openat operations and avoiding the build
    directory being swapped out while we are doing something else.

    Change-Id: I18d387b0f123ebf2d20c6405cd47ebadc5505f2a
    Signed-off-by: Raito Bezarius <raito@lix.systems>

commit c9b42462b75b5a37ee6564c2b53cff186c8323da
Author: Raito Bezarius <raito@lix.systems>
Date:   Wed Mar 26 01:04:12 2025 +0100

    libutil: guess or invent a path from file descriptors

    This is useful for certain error recovery paths (no pun intended) that
    does not thread through the original path name.

    Change-Id: I2d800740cb4f9912e64c923120d3f977c58ccb7e
    Signed-off-by: Raito Bezarius <raito@lix.systems>
2025-06-19 16:29:59 +02:00
mergify[bot]
075df0b446 Merge pull request #13380 from NixOS/mergify/bp/2.29-maintenance/pr-13376
Revert "Drop magic-nix-cache" (backport #13376)
2025-06-19 12:44:08 +00:00
Eelco Dolstra
2f6c758d3d Revert "Drop magic-nix-cache"
This reverts commit 9cc8be2674 since
magic-nix-cache works again (thanks @jchv).

(cherry picked from commit 9b57573bae)
2025-06-19 12:12:28 +00:00
mergify[bot]
4c7e5ce7a8 Merge pull request #13375 from NixOS/mergify/bp/2.29-maintenance/pr-13371
tests: fixup with jq-1.8.0 (backport #13371)
2025-06-18 15:51:12 +00:00
Vladimír Čunát
86fbaf3b14 tests: fixup with jq-1.8.0
(cherry picked from commit 77f6b6532f)
2025-06-18 15:18:06 +00:00
mergify[bot]
5c3aed3e88 Merge pull request #13330 from NixOS/mergify/bp/2.29-maintenance/pr-13284
lockFlake(): Allow registry lookups for overridden inputs (backport #13284)
2025-06-06 08:47:04 +00:00
Seth Flynn
fcdffffa37 lockFlake(): Allow registry lookups for overridden inputs
Fixes #13144

(cherry picked from commit d0a2323829)
2025-06-06 08:12:20 +00:00
mergify[bot]
aeb627bebf Merge pull request #13316 from NixOS/mergify/bp/2.29-maintenance/pr-13296
Clear `displayPrefix` in `makeEmptySourceAccessor` (backport #13296)
2025-06-03 18:08:59 +00:00
Sergei Zimmerman
a2567f6d7a Clear displayPrefix in makeEmptySourceAccessor
Judging by the comment for `makeEmptySourceAccessor` the prefix has
to be empty:

> Return a source accessor that contains only an empty root directory.

Fixes #13295.

(cherry picked from commit fba1bb0c13)
2025-06-03 19:27:15 +02:00
mergify[bot]
c1e272b47d Merge pull request #13319 from NixOS/mergify/bp/2.29-maintenance/pr-13274
Drop magic-nix-cache (backport #13274)
2025-06-03 14:52:47 +00:00
Eelco Dolstra
cfba4b3bf4 Drop magic-nix-cache
This no longer works, see https://determinate.systems/posts/magic-nix-cache-free-tier-eol/.

(cherry picked from commit 9cc8be2674)
2025-06-03 14:18:54 +00:00
mergify[bot]
d761dad79c Merge pull request #13259 from NixOS/mergify/bp/2.29-maintenance/pr-13256
Fix nlohmann error in fromStructuredAttrs() (backport #13256)
2025-05-25 06:35:47 +00:00
Eelco Dolstra
d068b82c2f Add test
(cherry picked from commit c66eb9cef7)
2025-05-25 05:55:28 +00:00
Eelco Dolstra
8ca4d2ef08 fromStructuredAttrs(): Don't crash if exportReferencesGraph is a string
Fixes

  error: [json.exception.type_error.302] type must be array, but is string

and other crashes.

Fixes #13254.

(cherry picked from commit d877b0c0cc)
2025-05-25 05:55:27 +00:00
Eelco Dolstra
acc3cd460d Don't use 'callback' object that we may have moved out of
(cherry picked from commit fa6e10ea6a)
2025-05-25 05:55:27 +00:00
Eelco Dolstra
c4813b8cbc Bump version 2025-05-22 14:48:51 +02:00
Eelco Dolstra
0cd1fce3c3 Merge pull request #13230 from NixOS/mergify/bp/2.29-maintenance/pr-13228
libutil-tests/json-utils: fix -Werror=sign-compare error (backport #13228)
2025-05-19 16:46:37 +02:00
Jörg Thalheim
90eb2f759c libutil-tests/json-utils: fix -Werror=sign-compare error
I am on a newer different nixpkgs branch, so I am getting this error

(cherry picked from commit 1290b7e53d)
2025-05-19 14:16:43 +00:00
Jörg Thalheim
d1e4be6fb4 Merge pull request #13227 from NixOS/mergify/bp/2.29-maintenance/pr-13142
libstore: Use `boost::regex` for GC root discovery (backport #13142)
2025-05-18 22:26:54 +02:00
Sergei Zimmerman
29d98da636 libstore: Depend on boost_regex explicitly
(cherry picked from commit 18a5589f9a)
2025-05-18 19:46:17 +00:00
Sergei Zimmerman
91dc6e7fa0 packaging/dependencies: Use boost without enableIcu
This reduces the closure size on master by 40MiB.

```
$ nix build github:nixos/nix/1e822bd4149a8bce1da81ee2ad9404986b07914c#nix-store --out-link closure-on-master
$ nix build .#nix-store -L --out-link closure-without-icu
$ nix path-info --closure-size -h ./closure-on-master
/nix/store/8gwr38m5h6p7245ji9jv28a2a11w1isx-nix-store-2.29.0pre  124.4 MiB
$ nix path-info --closure-size -h ./closure-without-icu
/nix/store/k0gwfykjqpnmaqbwh23nk55lhanc9g24-nix-store-2.29.0pre   86.6 MiB
```

(cherry picked from commit f3090ef703)
2025-05-18 19:46:17 +00:00
Sergei Zimmerman
b33fd1e4fb libstore: Use boost::regex for GC root discovery
As it turns out using `std::regex` is actually the bottleneck
for root discovery. Just substituting `std::` -> `boost::`
makes root discovery twice as fast (3x if counting only userspace time).

Some rather ad-hoc measurements to motivate the switch:

(On master)

```
nix build github:nixos/nix/1e822bd4149a8bce1da81ee2ad9404986b07914c#nix-cli --out-link result-1e822bd4149a8bce1da81ee2ad9404986b07914c
taskset -c 2,3 hyperfine "result-1e822bd4149a8bce1da81ee2ad9404986b07914c/bin/nix store gc --dry-run --max 0"
Benchmark 1: result-1e822bd4149a8bce1da81ee2ad9404986b07914c/bin/nix store gc --dry-run --max 0
  Time (mean ± σ):     481.6 ms ±   3.9 ms    [User: 336.2 ms, System: 142.0 ms]
  Range (min … max):   474.6 ms … 487.7 ms    10 runs
```

(After this patch)

```
taskset -c 2,3 hyperfine "result/bin/nix store gc --dry-run --max 0"
Benchmark 1: result/bin/nix store gc --dry-run --max 0
  Time (mean ± σ):     254.7 ms ±   9.7 ms    [User: 111.1 ms, System: 141.3 ms]
  Range (min … max):   246.5 ms … 281.3 ms    10 runs
```

`boost::regex` is a drop-in replacement for `std::regex`, but much faster.
Doing a simple before/after comparison doesn't surface any change in behavior:

```
result/bin/nix store gc --dry-run -vvvvv --max 0 |& grep "got additional" | wc -l
result-1e822bd4149a8bce1da81ee2ad9404986b07914c/bin/nix store gc --dry-run -vvvvv --max 0 |& grep "got additional" | wc -l
```

(cherry picked from commit 3a1301cd6d)
2025-05-18 19:46:16 +00:00
mergify[bot]
1c618a9d87 Merge pull request #13222 from NixOS/mergify/bp/2.29-maintenance/pr-13221
doc: Render verbatim `@docroot@` on contributing page (backport #13221)
2025-05-17 18:00:31 +00:00
Robert Hensing
ab2abebfc3 doc: Render verbatim @docroot@ on contributing page
In rendered form:

```diff
-Add references to the manual using ..
+Add references to the manual using [links like this](@docroot@/example.md)
```

(cherry picked from commit 147a34c573)
2025-05-17 17:19:51 +00:00
John Ericson
0f132fc129 Merge pull request #13218 from NixOS/mergify/bp/2.29-maintenance/pr-13212
docs: remove repeated "allowedReferences" and other lexical illusion (backport #13212)
2025-05-16 12:36:46 -04:00
Peder Bergebakken Sundt
6fc6db3496 docs: remove lexical illusions detected with write-good
I made this this non-markdown aware tool somewhat behave with some cursed fd+pandoc invocations

(cherry picked from commit ea5302c4a2)
2025-05-16 15:56:26 +00:00
Peder Bergebakken Sundt
ca0bde3578 docs: remove repeated "allowedReferences"
This is what write-good lints as a "lexical illusion"

(cherry picked from commit cb16cd707c)
2025-05-16 15:56:26 +00:00
mergify[bot]
f51b537239 Merge pull request #13210 from NixOS/mergify/bp/2.29-maintenance/pr-13207
dev-shell: Drop bear dependency (backport #13207)
2025-05-15 22:32:16 +00:00
Sergei Zimmerman
2b7e3e9b81 dev-shell: Drop bear dependency
Since the autotools-based build system has been removed
and meson already generates compile database there's no
need to have it in the devshell.

(cherry picked from commit 67535263a5)
2025-05-15 21:49:21 +00:00
Jörg Thalheim
fee8454dd0 Merge pull request #13205 from NixOS/mergify/bp/2.29-maintenance/pr-13202
Fix nix-copy-closure VM test (backport #13202)
2025-05-15 18:34:32 +02:00
Eelco Dolstra
dc238ba102 Fix nix-copy-closure VM test
https://hydra.nixos.org/build/297112538
(cherry picked from commit d626348f42)
2025-05-15 15:51:43 +00:00
mergify[bot]
fa7a5ab07a Merge pull request #13201 from NixOS/mergify/bp/2.29-maintenance/pr-13197
Update Nixpkgs to fix static builds (backport #13197)
2025-05-15 11:48:30 +00:00
Eelco Dolstra
27932ae6da Merge pull request #13199 from NixOS/mergify/bp/2.29-maintenance/pr-13196
rename StoreDirConfigItself to StoreDirConfigBase (backport #13196)
2025-05-15 12:44:09 +02:00
Eelco Dolstra
631d23788e Merge pull request #13198 from NixOS/mergify/bp/2.29-maintenance/pr-13195
Remove otherNixes.nix_2_18 (backport #13195)
2025-05-15 12:24:24 +02:00
Eelco Dolstra
4f03bfebd9 flake.lock: Update
Flake lock file updates:

• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/f02fddb8acef29a8b32f10a335d44828d7825b78?narHash=sha256-IgBWhX7A2oJmZFIrpRuMnw5RAufVnfvOgHWgIdds%2Bhc%3D' (2025-05-01)
  → 'github:NixOS/nixpkgs/adaa24fbf46737f3f1b5497bf64bae750f82942e?narHash=sha256-qhFMmDkeJX9KJwr5H32f1r7Prs7XbQWtO0h3V0a0rFY%3D' (2025-05-13)

(cherry picked from commit 3ba49d7ec2)
2025-05-15 10:21:25 +00:00
Jörg Thalheim
7f488dc7d3 rename StoreDirConfigItself to StoreDirConfigBase
context: https://github.com/NixOS/nix/pull/13154#discussion_r2081904653
(cherry picked from commit 2dd2142754)
2025-05-15 10:04:22 +00:00
Eelco Dolstra
1b2e88effd Remove otherNixes.nix_2_18
Nixpkgs no longer has Nix 2.18, so this fails to evaluate.

(cherry picked from commit bc85e20fb9)
2025-05-15 09:44:21 +00:00
John Ericson
4dcf21a2f6 Merge branch 'master' into 2.29-maintenance 2025-05-14 19:59:35 -04:00
John Ericson
ff24751bdd Mark official release 2025-05-14 19:29:50 -04:00
1543 changed files with 25073 additions and 63656 deletions

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@@ -1,18 +0,0 @@
# yaml-language-server: $schema=https://coderabbit.ai/integrations/schema.v2.json
# Disable CodeRabbit auto-review to prevent verbose comments on PRs.
# When enabled: false, CodeRabbit won't attempt reviews and won't post
# "Review skipped" or other automated comments.
reviews:
auto_review:
enabled: false
review_status: false
high_level_summary: false
poem: false
sequence_diagrams: false
changed_files_summary: false
tools:
github-checks:
enabled: false
chat:
art: false
auto_reply: false

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@@ -1,6 +1,4 @@
# bulk initial re-formatting with clang-format
e4f62e46088919428a68bd8014201dc8e379fed7 # !autorebase ./maintainers/format.sh --until-stable
# meson re-formatting
385e2c3542c707d95e3784f7f6d623f67e77ab61 # !autorebase ./maintainers/format.sh --until-stable
0e35cd6f3e27760976ead16fb45008ece0185aad # !autorebase ./maintainers/format.sh --until-stable
# nixfmt 1.0.0
1d943f581908f35075a84a3d89c2eba3ff35067f # !autorebase ./maintainers/format.sh --until-stable
d6aebd884790ae82c21ef2b58a010026ce757eaf # !autorebase ./maintainers/format.sh --until-stable

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@@ -45,7 +45,7 @@ assignees: ''
- [ ] checked [latest Nix manual] \([source])
- [ ] checked [open bug issues and pull requests] for possible duplicates
[latest Nix manual]: https://nix.dev/manual/nix/development/
[latest Nix manual]: https://nixos.org/manual/nix/unstable/
[source]: https://github.com/NixOS/nix/tree/master/doc/manual/source
[open bug issues and pull requests]: https://github.com/NixOS/nix/labels/bug

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@@ -30,7 +30,7 @@ assignees: ''
- [ ] checked [latest Nix manual] \([source])
- [ ] checked [open feature issues and pull requests] for possible duplicates
[latest Nix manual]: https://nix.dev/manual/nix/development/
[latest Nix manual]: https://nixos.org/manual/nix/unstable/
[source]: https://github.com/NixOS/nix/tree/master/doc/manual/source
[open feature issues and pull requests]: https://github.com/NixOS/nix/labels/feature

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@@ -38,7 +38,7 @@ assignees: ''
- [ ] checked [latest Nix manual] \([source])
- [ ] checked [open installer issues and pull requests] for possible duplicates
[latest Nix manual]: https://nix.dev/manual/nix/development/
[latest Nix manual]: https://nixos.org/manual/nix/unstable/
[source]: https://github.com/NixOS/nix/tree/master/doc/manual/source
[open installer issues and pull requests]: https://github.com/NixOS/nix/labels/installer

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@@ -22,7 +22,7 @@ assignees: ''
- [ ] checked [latest Nix manual] \([source])
- [ ] checked [open documentation issues and pull requests] for possible duplicates
[latest Nix manual]: https://nix.dev/manual/nix/development/
[latest Nix manual]: https://nixos.org/manual/nix/unstable/
[source]: https://github.com/NixOS/nix/tree/master/doc/manual/source
[open documentation issues and pull requests]: https://github.com/NixOS/nix/labels/documentation

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@@ -15,10 +15,6 @@ so you understand the process and the expectations.
- volunteering contributions effectively
- how to get help and our review process.
PR stuck in review? We have two Nix team meetings per week online that are open for everyone in a jitsi conference:
- https://calendar.google.com/calendar/u/0/embed?src=b9o52fobqjak8oq8lfkhg3t0qg@group.calendar.google.com
-->
## Motivation

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@@ -4,29 +4,15 @@ inputs:
dogfood:
description: "Whether to use Nix installed from the latest artifact from master branch"
required: true # Be explicit about the fact that we are using unreleased artifacts
experimental-installer:
description: "Whether to use the experimental installer to install Nix"
default: false
experimental-installer-version:
description: "Version of the experimental installer to use. If `latest`, the newest artifact from the default branch is used."
# TODO: This should probably be pinned to a release after https://github.com/NixOS/experimental-nix-installer/pull/49 lands in one
default: "latest"
extra_nix_config:
description: "Gets appended to `/etc/nix/nix.conf` if passed."
install_url:
description: "URL of the Nix installer"
required: false
default: "https://releases.nixos.org/nix/nix-2.32.1/install"
tarball_url:
description: "URL of the Nix tarball to use with the experimental installer"
required: false
default: "https://releases.nixos.org/nix/nix-2.29.1/install"
github_token:
description: "Github token"
required: true
use_cache:
description: "Whether to setup github actions cache (not implemented currently)"
default: false
required: false
runs:
using: "composite"
steps:
@@ -51,74 +37,14 @@ runs:
gh run download "$RUN_ID" --repo "$DOGFOOD_REPO" -n "$INSTALLER_ARTIFACT" -D "$INSTALLER_DOWNLOAD_DIR"
echo "installer-path=file://$INSTALLER_DOWNLOAD_DIR" >> "$GITHUB_OUTPUT"
TARBALL_PATH="$(find "$INSTALLER_DOWNLOAD_DIR" -name 'nix*.tar.xz' -print | head -n 1)"
echo "tarball-path=file://$TARBALL_PATH" >> "$GITHUB_OUTPUT"
echo "::notice ::Dogfooding Nix installer from master (https://github.com/$DOGFOOD_REPO/actions/runs/$RUN_ID)"
env:
GH_TOKEN: ${{ inputs.github_token }}
DOGFOOD_REPO: "NixOS/nix"
- name: "Gather system info for experimental installer"
shell: bash
if: ${{ inputs.experimental-installer == 'true' }}
run: |
echo "::notice Using experimental installer from $EXPERIMENTAL_INSTALLER_REPO (https://github.com/$EXPERIMENTAL_INSTALLER_REPO)"
if [ "$RUNNER_OS" == "Linux" ]; then
EXPERIMENTAL_INSTALLER_SYSTEM="linux"
echo "EXPERIMENTAL_INSTALLER_SYSTEM=$EXPERIMENTAL_INSTALLER_SYSTEM" >> "$GITHUB_ENV"
elif [ "$RUNNER_OS" == "macOS" ]; then
EXPERIMENTAL_INSTALLER_SYSTEM="darwin"
echo "EXPERIMENTAL_INSTALLER_SYSTEM=$EXPERIMENTAL_INSTALLER_SYSTEM" >> "$GITHUB_ENV"
else
echo "::error ::Unsupported RUNNER_OS: $RUNNER_OS"
exit 1
fi
if [ "$RUNNER_ARCH" == "X64" ]; then
EXPERIMENTAL_INSTALLER_ARCH=x86_64
echo "EXPERIMENTAL_INSTALLER_ARCH=$EXPERIMENTAL_INSTALLER_ARCH" >> "$GITHUB_ENV"
elif [ "$RUNNER_ARCH" == "ARM64" ]; then
EXPERIMENTAL_INSTALLER_ARCH=aarch64
echo "EXPERIMENTAL_INSTALLER_ARCH=$EXPERIMENTAL_INSTALLER_ARCH" >> "$GITHUB_ENV"
else
echo "::error ::Unsupported RUNNER_ARCH: $RUNNER_ARCH"
exit 1
fi
echo "EXPERIMENTAL_INSTALLER_ARTIFACT=nix-installer-$EXPERIMENTAL_INSTALLER_ARCH-$EXPERIMENTAL_INSTALLER_SYSTEM" >> "$GITHUB_ENV"
env:
EXPERIMENTAL_INSTALLER_REPO: "NixOS/experimental-nix-installer"
- name: "Download latest experimental installer"
shell: bash
id: download-latest-experimental-installer
if: ${{ inputs.experimental-installer == 'true' && inputs.experimental-installer-version == 'latest' }}
run: |
RUN_ID=$(gh run list --repo "$EXPERIMENTAL_INSTALLER_REPO" --workflow ci.yml --branch main --status success --json databaseId --jq ".[0].databaseId")
EXPERIMENTAL_INSTALLER_DOWNLOAD_DIR="$GITHUB_WORKSPACE/$EXPERIMENTAL_INSTALLER_ARTIFACT"
mkdir -p "$EXPERIMENTAL_INSTALLER_DOWNLOAD_DIR"
gh run download "$RUN_ID" --repo "$EXPERIMENTAL_INSTALLER_REPO" -n "$EXPERIMENTAL_INSTALLER_ARTIFACT" -D "$EXPERIMENTAL_INSTALLER_DOWNLOAD_DIR"
# Executable permissions are lost in artifacts
find $EXPERIMENTAL_INSTALLER_DOWNLOAD_DIR -type f -exec chmod +x {} +
echo "installer-path=$EXPERIMENTAL_INSTALLER_DOWNLOAD_DIR" >> "$GITHUB_OUTPUT"
env:
GH_TOKEN: ${{ inputs.github_token }}
EXPERIMENTAL_INSTALLER_REPO: "NixOS/experimental-nix-installer"
- uses: cachix/install-nix-action@c134e4c9e34bac6cab09cf239815f9339aaaf84e # v31.5.1
if: ${{ inputs.experimental-installer != 'true' }}
with:
# Ternary operator in GHA: https://www.github.com/actions/runner/issues/409#issuecomment-752775072
install_url: ${{ inputs.dogfood == 'true' && format('{0}/install', steps.download-nix-installer.outputs.installer-path) || inputs.install_url }}
install_options: ${{ inputs.dogfood == 'true' && format('--tarball-url-prefix {0}', steps.download-nix-installer.outputs.installer-path) || '' }}
extra_nix_config: ${{ inputs.extra_nix_config }}
- uses: DeterminateSystems/nix-installer-action@786fff0690178f1234e4e1fe9b536e94f5433196 # v20
if: ${{ inputs.experimental-installer == 'true' }}
with:
diagnostic-endpoint: ""
# TODO: It'd be nice to use `artifacts.nixos.org` for both of these, maybe through an `/experimental-installer/latest` endpoint? or `/commit/<hash>`?
local-root: ${{ inputs.experimental-installer-version == 'latest' && steps.download-latest-experimental-installer.outputs.installer-path || '' }}
source-url: ${{ inputs.experimental-installer-version != 'latest' && 'https://artifacts.nixos.org/experimental-installer/tag/${{ inputs.experimental-installer-version }}/${{ env.EXPERIMENTAL_INSTALLER_ARTIFACT }}' || '' }}
nix-package-url: ${{ inputs.dogfood == 'true' && steps.download-nix-installer.outputs.tarball-path || (inputs.tarball_url || '') }}
extra-conf: ${{ inputs.extra_nix_config }}

View File

@@ -1,37 +0,0 @@
name: Backport
on:
pull_request_target:
types: [closed, labeled]
permissions:
contents: read
jobs:
backport:
name: Backport Pull Request
permissions:
# for korthout/backport-action
contents: write
pull-requests: write
if: github.repository_owner == 'NixOS' && github.event.pull_request.merged == true && (github.event_name != 'labeled' || startsWith('backport', github.event.label.name))
runs-on: ubuntu-24.04-arm
steps:
- name: Generate GitHub App token
id: generate-token
uses: actions/create-github-app-token@v2
with:
app-id: ${{ vars.CI_APP_ID }}
private-key: ${{ secrets.CI_APP_PRIVATE_KEY }}
- uses: actions/checkout@v6
with:
ref: ${{ github.event.pull_request.head.sha }}
# required to find all branches
fetch-depth: 0
- name: Create backport PRs
uses: korthout/backport-action@c656f5d5851037b2b38fb5db2691a03fa229e3b2 # v4.0.1
id: backport
with:
# Config README: https://github.com/korthout/backport-action#backport-action
github_token: ${{ steps.generate-token.outputs.token }}
github_workspace: ${{ github.workspace }}
auto_merge_enabled: true
pull_description: |-
Automatic backport to `${target_branch}`, triggered by a label in #${pull_number}.

View File

@@ -2,21 +2,7 @@ name: "CI"
on:
pull_request:
merge_group:
push:
branches:
- master
workflow_dispatch:
inputs:
dogfood:
description: 'Use dogfood Nix build'
required: false
default: true
type: boolean
concurrency:
group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
cancel-in-progress: true
permissions: read-all
@@ -24,43 +10,18 @@ jobs:
eval:
runs-on: ubuntu-24.04
steps:
- uses: actions/checkout@v6
- uses: actions/checkout@v4
with:
fetch-depth: 0
- uses: ./.github/actions/install-nix-action
with:
dogfood: ${{ github.event_name == 'workflow_dispatch' && inputs.dogfood || github.event_name != 'workflow_dispatch' }}
dogfood: false
extra_nix_config:
experimental-features = nix-command flakes
github_token: ${{ secrets.GITHUB_TOKEN }}
use_cache: false
- run: nix flake show --all-systems --json
pre-commit-checks:
name: pre-commit checks
runs-on: ubuntu-24.04
steps:
- uses: actions/checkout@v6
- uses: ./.github/actions/install-nix-action
with:
dogfood: ${{ github.event_name == 'workflow_dispatch' && inputs.dogfood || github.event_name != 'workflow_dispatch' }}
extra_nix_config: experimental-features = nix-command flakes
github_token: ${{ secrets.GITHUB_TOKEN }}
- run: ./ci/gha/tests/pre-commit-checks
basic-checks:
name: aggregate basic checks
if: ${{ always() }}
runs-on: ubuntu-24.04
needs: [pre-commit-checks, eval]
steps:
- name: Exit with any errors
if: ${{ contains(needs.*.result, 'failure') || contains(needs.*.result, 'cancelled') }}
run: |
exit 1
tests:
needs: basic-checks
strategy:
fail-fast: false
matrix:
@@ -68,74 +29,36 @@ jobs:
- scenario: on ubuntu
runs-on: ubuntu-24.04
os: linux
instrumented: false
primary: true
stdenv: stdenv
- scenario: on macos
runs-on: macos-14
os: darwin
instrumented: false
primary: true
stdenv: stdenv
- scenario: on ubuntu (with sanitizers / coverage)
runs-on: ubuntu-24.04
os: linux
instrumented: true
primary: false
stdenv: clangStdenv
name: tests ${{ matrix.scenario }}
runs-on: ${{ matrix.runs-on }}
timeout-minutes: 60
steps:
- uses: actions/checkout@v6
- uses: actions/checkout@v4
with:
fetch-depth: 0
- uses: ./.github/actions/install-nix-action
with:
github_token: ${{ secrets.GITHUB_TOKEN }}
dogfood: ${{ github.event_name == 'workflow_dispatch' && inputs.dogfood || github.event_name != 'workflow_dispatch' }}
dogfood: false
# The sandbox would otherwise be disabled by default on Darwin
extra_nix_config: "sandbox = true"
extra_nix_config: |
sandbox = true
max-jobs = 1
- uses: DeterminateSystems/magic-nix-cache-action@main
# Since ubuntu 22.30, unprivileged usernamespaces are no longer allowed to map to the root user:
# https://ubuntu.com/blog/ubuntu-23-10-restricted-unprivileged-user-namespaces
- run: sudo sysctl -w kernel.apparmor_restrict_unprivileged_userns=0
if: matrix.os == 'linux'
- name: Run component tests
run: |
nix build --file ci/gha/tests/wrapper.nix componentTests -L \
--arg withInstrumentation ${{ matrix.instrumented }} \
--argstr stdenv "${{ matrix.stdenv }}"
- name: Run VM tests
run: |
nix build --file ci/gha/tests/wrapper.nix vmTests -L \
--arg withInstrumentation ${{ matrix.instrumented }} \
--argstr stdenv "${{ matrix.stdenv }}"
if: ${{ matrix.os == 'linux' }}
- name: Run flake checks and prepare the installer tarball
run: |
ci/gha/tests/build-checks
ci/gha/tests/prepare-installer-for-github-actions
if: ${{ matrix.primary }}
- name: Collect code coverage
run: |
nix build --file ci/gha/tests/wrapper.nix codeCoverage.coverageReports -L \
--arg withInstrumentation ${{ matrix.instrumented }} \
--argstr stdenv "${{ matrix.stdenv }}" \
--out-link coverage-reports
cat coverage-reports/index.txt >> $GITHUB_STEP_SUMMARY
if: ${{ matrix.instrumented }}
- name: Upload coverage reports
uses: actions/upload-artifact@v6
with:
name: coverage-reports
path: coverage-reports/
if: ${{ matrix.instrumented }}
- run: scripts/build-checks
- run: scripts/prepare-installer-for-github-actions
- name: Upload installer tarball
uses: actions/upload-artifact@v6
uses: actions/upload-artifact@v4
with:
name: installer-${{matrix.os}}
path: out/*
if: ${{ matrix.primary }}
installer_test:
needs: [tests]
@@ -146,46 +69,25 @@ jobs:
- scenario: on ubuntu
runs-on: ubuntu-24.04
os: linux
experimental-installer: false
- scenario: on macos
runs-on: macos-14
os: darwin
experimental-installer: false
- scenario: on ubuntu (experimental)
runs-on: ubuntu-24.04
os: linux
experimental-installer: true
- scenario: on macos (experimental)
runs-on: macos-14
os: darwin
experimental-installer: true
name: installer test ${{ matrix.scenario }}
runs-on: ${{ matrix.runs-on }}
steps:
- uses: actions/checkout@v6
- uses: actions/checkout@v4
- name: Download installer tarball
uses: actions/download-artifact@37930b1c2abaa49bbe596cd826c3c89aef350131 # v7.0.0
uses: actions/download-artifact@v4
with:
name: installer-${{matrix.os}}
path: out
- name: Looking up the installer tarball URL
id: installer-tarball-url
run: |
echo "installer-url=file://$GITHUB_WORKSPACE/out" >> "$GITHUB_OUTPUT"
TARBALL_PATH="$(find "$GITHUB_WORKSPACE/out" -name 'nix*.tar.xz' -print | head -n 1)"
echo "tarball-path=file://$TARBALL_PATH" >> "$GITHUB_OUTPUT"
- uses: cachix/install-nix-action@4e002c8ec80594ecd40e759629461e26c8abed15 # v31.9.0
if: ${{ !matrix.experimental-installer }}
- name: Serving installer
id: serving_installer
run: ./scripts/serve-installer-for-github-actions
- uses: cachix/install-nix-action@v31
with:
install_url: ${{ format('{0}/install', steps.installer-tarball-url.outputs.installer-url) }}
install_options: ${{ format('--tarball-url-prefix {0}', steps.installer-tarball-url.outputs.installer-url) }}
- uses: ./.github/actions/install-nix-action
if: ${{ matrix.experimental-installer }}
with:
dogfood: false
experimental-installer: true
tarball_url: ${{ steps.installer-tarball-url.outputs.tarball-path }}
github_token: ${{ secrets.GITHUB_TOKEN }}
install_url: 'http://localhost:8126/install'
install_options: "--tarball-url-prefix http://localhost:8126/"
- run: sudo apt install fish zsh
if: matrix.os == 'linux'
- run: brew install fish
@@ -197,56 +99,125 @@ jobs:
- run: exec bash -c "nix-channel --add https://releases.nixos.org/nixos/unstable/nixos-23.05pre466020.60c1d71f2ba nixpkgs"
- run: exec bash -c "nix-channel --update && nix-env -iA nixpkgs.hello && hello"
# Steps to test CI automation in your own fork.
# 1. Sign-up for https://hub.docker.com/
# 2. Store your dockerhub username as DOCKERHUB_USERNAME in "Repository secrets" of your fork repository settings (https://github.com/$githubuser/nix/settings/secrets/actions)
# 3. Create an access token in https://hub.docker.com/settings/security and store it as DOCKERHUB_TOKEN in "Repository secrets" of your fork
check_secrets:
permissions:
contents: none
name: Check Docker secrets present for installer tests
runs-on: ubuntu-24.04
outputs:
docker: ${{ steps.secret.outputs.docker }}
steps:
- name: Check for secrets
id: secret
env:
_DOCKER_SECRETS: ${{ secrets.DOCKERHUB_USERNAME }}${{ secrets.DOCKERHUB_TOKEN }}
run: |
echo "::set-output name=docker::${{ env._DOCKER_SECRETS != '' }}"
docker_push_image:
needs: [tests, vm_tests, check_secrets]
permissions:
contents: read
packages: write
if: >-
needs.check_secrets.outputs.docker == 'true' &&
github.event_name == 'push' &&
github.ref_name == 'master'
runs-on: ubuntu-24.04
steps:
- name: Check for secrets
id: secret
env:
_DOCKER_SECRETS: ${{ secrets.DOCKERHUB_USERNAME }}${{ secrets.DOCKERHUB_TOKEN }}
run: |
echo "::set-output name=docker::${{ env._DOCKER_SECRETS != '' }}"
- uses: actions/checkout@v4
with:
fetch-depth: 0
- uses: cachix/install-nix-action@v31
with:
install_url: https://releases.nixos.org/nix/nix-2.20.3/install
- uses: DeterminateSystems/magic-nix-cache-action@main
- run: echo NIX_VERSION="$(nix --experimental-features 'nix-command flakes' eval .\#nix.version | tr -d \")" >> $GITHUB_ENV
- run: nix --experimental-features 'nix-command flakes' build .#dockerImage -L
- run: docker load -i ./result/image.tar.gz
- run: docker tag nix:$NIX_VERSION ${{ secrets.DOCKERHUB_USERNAME }}/nix:$NIX_VERSION
- run: docker tag nix:$NIX_VERSION ${{ secrets.DOCKERHUB_USERNAME }}/nix:master
# We'll deploy the newly built image to both Docker Hub and Github Container Registry.
#
# Push to Docker Hub first
- name: Login to Docker Hub
uses: docker/login-action@v3
with:
username: ${{ secrets.DOCKERHUB_USERNAME }}
password: ${{ secrets.DOCKERHUB_TOKEN }}
- run: docker push ${{ secrets.DOCKERHUB_USERNAME }}/nix:$NIX_VERSION
- run: docker push ${{ secrets.DOCKERHUB_USERNAME }}/nix:master
# Push to GitHub Container Registry as well
- name: Login to GitHub Container Registry
uses: docker/login-action@v3
with:
registry: ghcr.io
username: ${{ github.actor }}
password: ${{ secrets.GITHUB_TOKEN }}
- name: Push image
run: |
IMAGE_ID=ghcr.io/${{ github.repository_owner }}/nix
# Change all uppercase to lowercase
IMAGE_ID=$(echo $IMAGE_ID | tr '[A-Z]' '[a-z]')
docker tag nix:$NIX_VERSION $IMAGE_ID:$NIX_VERSION
docker tag nix:$NIX_VERSION $IMAGE_ID:latest
docker push $IMAGE_ID:$NIX_VERSION
docker push $IMAGE_ID:latest
# deprecated 2024-02-24
docker tag nix:$NIX_VERSION $IMAGE_ID:master
docker push $IMAGE_ID:master
vm_tests:
runs-on: ubuntu-24.04
steps:
- uses: actions/checkout@v4
- uses: ./.github/actions/install-nix-action
with:
dogfood: false
extra_nix_config:
experimental-features = nix-command flakes
github_token: ${{ secrets.GITHUB_TOKEN }}
- uses: DeterminateSystems/magic-nix-cache-action@main
- run: |
nix build -L \
.#hydraJobs.tests.functional_user \
.#hydraJobs.tests.githubFlakes \
.#hydraJobs.tests.nix-docker \
.#hydraJobs.tests.tarballFlakes \
;
flake_regressions:
needs: tests
needs: vm_tests
runs-on: ubuntu-24.04
steps:
- name: Checkout nix
uses: actions/checkout@v6
uses: actions/checkout@v4
- name: Checkout flake-regressions
uses: actions/checkout@v6
uses: actions/checkout@v4
with:
repository: NixOS/flake-regressions
path: flake-regressions
- name: Checkout flake-regressions-data
uses: actions/checkout@v6
uses: actions/checkout@v4
with:
repository: NixOS/flake-regressions-data
path: flake-regressions/tests
- name: Download installer tarball
uses: actions/download-artifact@37930b1c2abaa49bbe596cd826c3c89aef350131 # v7.0.0
- uses: ./.github/actions/install-nix-action
with:
name: installer-linux
path: out
- name: Looking up the installer tarball URL
id: installer-tarball-url
run: |
echo "installer-url=file://$GITHUB_WORKSPACE/out" >> "$GITHUB_OUTPUT"
- uses: cachix/install-nix-action@4e002c8ec80594ecd40e759629461e26c8abed15 # v31.9.0
with:
install_url: ${{ format('{0}/install', steps.installer-tarball-url.outputs.installer-url) }}
install_options: ${{ format('--tarball-url-prefix {0}', steps.installer-tarball-url.outputs.installer-url) }}
- name: Run flake regressions tests
run: MAX_FLAKES=25 flake-regressions/eval-all.sh
profile_build:
needs: tests
runs-on: ubuntu-24.04
timeout-minutes: 60
if: >-
github.event_name == 'push' &&
github.ref_name == 'master'
steps:
- uses: actions/checkout@v6
with:
fetch-depth: 0
- uses: ./.github/actions/install-nix-action
with:
github_token: ${{ secrets.GITHUB_TOKEN }}
dogfood: ${{ github.event_name == 'workflow_dispatch' && inputs.dogfood || github.event_name != 'workflow_dispatch' }}
extra_nix_config: |
experimental-features = flakes nix-command ca-derivations impure-derivations
max-jobs = 1
- run: |
nix build -L --file ./ci/gha/profile-build buildTimeReport --out-link build-time-report.md
cat build-time-report.md >> $GITHUB_STEP_SUMMARY
dogfood: false
extra_nix_config:
experimental-features = nix-command flakes
github_token: ${{ secrets.GITHUB_TOKEN }}
- uses: DeterminateSystems/magic-nix-cache-action@main
- run: nix build -L --out-link ./new-nix && PATH=$(pwd)/new-nix/bin:$PATH MAX_FLAKES=25 flake-regressions/eval-all.sh

View File

@@ -18,7 +18,7 @@ jobs:
runs-on: ubuntu-24.04
if: github.repository_owner == 'NixOS'
steps:
- uses: actions/labeler@v6
- uses: actions/labeler@v5
with:
repo-token: ${{ secrets.GITHUB_TOKEN }}
sync-labels: false

View File

@@ -1,80 +0,0 @@
name: Upload Release
on:
workflow_dispatch:
inputs:
eval_id:
description: "Hydra evaluation ID"
required: true
type: number
is_latest:
description: "Mark as latest release"
required: false
type: boolean
default: false
permissions:
contents: read
id-token: write
packages: write
jobs:
release:
runs-on: ubuntu-24.04
environment: releases
steps:
- uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
- uses: ./.github/actions/install-nix-action
with:
dogfood: false # Use stable version
use_cache: false # Don't want any cache injection shenanigans
extra_nix_config: |
experimental-features = nix-command flakes
- name: Set NIX_PATH from flake input
run: |
NIXPKGS_PATH=$(nix build --inputs-from .# nixpkgs#path --print-out-paths --no-link)
# Shebangs with perl have issues. Pin nixpkgs this way. nix shell should maybe
# get the same uberhack that nix-shell has to support it.
echo "NIX_PATH=nixpkgs=$NIXPKGS_PATH" >> "$GITHUB_ENV"
- name: Configure AWS credentials
uses: aws-actions/configure-aws-credentials@61815dcd50bd041e203e49132bacad1fd04d2708 # v5.1.1
with:
role-to-assume: "arn:aws:iam::080433136561:role/nix-release"
role-session-name: nix-release-oidc-${{ github.run_id }}
aws-region: eu-west-1
- name: Disable containerd image store
run: |
# Docker 28+ defaults to the containerd image store, which
# pushes layers uncompressed instead of gzip. OCI clients
# that only support gzip (e.g. go-containerregistry) fail
# with "gzip: invalid header". Disabling the containerd
# snapshotter restores the classic storage driver, which
# preserves gzip-compressed layers through the
# `docker load` / `docker push` pipeline.
echo '{"features":{"containerd-snapshotter":false}}' | sudo tee /etc/docker/daemon.json > /dev/null
sudo systemctl restart docker
- name: Login to Docker Hub
uses: docker/login-action@c94ce9fb468520275223c153574b00df6fe4bcc9 # v3.7.0
with:
username: ${{ secrets.DOCKERHUB_USERNAME }}
password: ${{ secrets.DOCKERHUB_TOKEN }}
- name: Login to GitHub Container Registry
uses: docker/login-action@c94ce9fb468520275223c153574b00df6fe4bcc9 # v3.7.0
with:
registry: ghcr.io
username: ${{ github.actor }}
password: ${{ secrets.GITHUB_TOKEN }}
- name: Upload release
run: |
./maintainers/upload-release.pl \
${{ inputs.eval_id }} \
--skip-git
env:
IS_LATEST: ${{ inputs.is_latest && '1' || '' }}
- name: Push to GHCR
run: |
DOCKER_OWNER="ghcr.io/$(echo '${{ github.repository_owner }}' | tr '[A-Z]' '[a-z]')/nix"
./maintainers/upload-release.pl \
${{ inputs.eval_id }} \
--skip-git \
--skip-s3 \
--docker-owner "$DOCKER_OWNER"
env:
IS_LATEST: ${{ inputs.is_latest && '1' || '' }}

2
.gitignore vendored
View File

@@ -1,7 +1,5 @@
# Default meson build dir
/build
# Meson creates this file too
src/.wraplock
# /tests/functional/
/tests/functional/common/subst-vars.sh

141
.mergify.yml Normal file
View File

@@ -0,0 +1,141 @@
queue_rules:
- name: default
# all required tests need to go here
merge_conditions:
- check-success=tests on macos
- check-success=tests on ubuntu
- check-success=installer test on macos
- check-success=installer test on ubuntu
- check-success=vm_tests
batch_size: 5
pull_request_rules:
- name: merge using the merge queue
conditions:
- base~=master|.+-maintenance
- label~=merge-queue|dependencies
actions:
queue: {}
# The rules below will first create backport pull requests and put those in a merge queue.
- name: backport patches to 2.18
conditions:
- label=backport 2.18-maintenance
actions:
backport:
branches:
- 2.18-maintenance
labels:
- automatic backport
- merge-queue
- name: backport patches to 2.19
conditions:
- label=backport 2.19-maintenance
actions:
backport:
branches:
- 2.19-maintenance
labels:
- automatic backport
- merge-queue
- name: backport patches to 2.20
conditions:
- label=backport 2.20-maintenance
actions:
backport:
branches:
- 2.20-maintenance
labels:
- automatic backport
- merge-queue
- name: backport patches to 2.21
conditions:
- label=backport 2.21-maintenance
actions:
backport:
branches:
- 2.21-maintenance
labels:
- automatic backport
- merge-queue
- name: backport patches to 2.22
conditions:
- label=backport 2.22-maintenance
actions:
backport:
branches:
- 2.22-maintenance
labels:
- automatic backport
- merge-queue
- name: backport patches to 2.23
conditions:
- label=backport 2.23-maintenance
actions:
backport:
branches:
- 2.23-maintenance
labels:
- automatic backport
- merge-queue
- name: backport patches to 2.24
conditions:
- label=backport 2.24-maintenance
actions:
backport:
branches:
- "2.24-maintenance"
labels:
- automatic backport
- merge-queue
- name: backport patches to 2.25
conditions:
- label=backport 2.25-maintenance
actions:
backport:
branches:
- "2.25-maintenance"
labels:
- automatic backport
- merge-queue
- name: backport patches to 2.26
conditions:
- label=backport 2.26-maintenance
actions:
backport:
branches:
- "2.26-maintenance"
labels:
- automatic backport
- merge-queue
- name: backport patches to 2.27
conditions:
- label=backport 2.27-maintenance
actions:
backport:
branches:
- "2.27-maintenance"
labels:
- automatic backport
- merge-queue
- name: backport patches to 2.28
conditions:
- label=backport 2.28-maintenance
actions:
backport:
branches:
- "2.28-maintenance"
labels:
- automatic backport
- merge-queue

View File

@@ -1 +1 @@
2.34.0
2.29.2

View File

@@ -89,13 +89,11 @@ Check out the [security policy](https://github.com/NixOS/nix/security/policy).
## Making changes to the Nix manual
The Nix reference manual is hosted on https://nix.dev/manual/nix.
The Nix reference manual is hosted on https://nixos.org/manual/nix.
The underlying source files are located in [`doc/manual/source`](./doc/manual/source).
For small changes you can [use GitHub to edit these files](https://docs.github.com/en/repositories/working-with-files/managing-files/editing-files)
For larger changes see the [Nix reference manual](https://nix.dev/manual/nix/development/development/contributing.html).
You're encouraged to add line breaks at semantic boundaries, per [sembr](https://sembr.org).
## Getting help
Whenever you're stuck or do not know how to proceed, you can always ask for help.

25
COPYING
View File

@@ -1,8 +1,8 @@
GNU LESSER GENERAL PUBLIC LICENSE
Version 2.1, February 1999
GNU LESSER GENERAL PUBLIC LICENSE
Version 2.1, February 1999
Copyright (C) 1991, 1999 Free Software Foundation, Inc.
<https://fsf.org/>
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
@@ -10,7 +10,7 @@
as the successor of the GNU Library Public License, version 2, hence
the version number 2.1.]
Preamble
Preamble
The licenses for most software are designed to take away your
freedom to share and change it. By contrast, the GNU General Public
@@ -112,7 +112,7 @@ modification follow. Pay close attention to the difference between a
former contains code derived from the library, whereas the latter must
be combined with the library in order to run.
GNU LESSER GENERAL PUBLIC LICENSE
GNU LESSER GENERAL PUBLIC LICENSE
TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
0. This License Agreement applies to any software library or other
@@ -146,7 +146,7 @@ such a program is covered only if its contents constitute a work based
on the Library (independent of the use of the Library in a tool for
writing it). Whether that is true depends on what the Library does
and what the program that uses the Library does.
1. You may copy and distribute verbatim copies of the Library's
complete source code as you receive it, in any medium, provided that
you conspicuously and appropriately publish on each copy an
@@ -432,7 +432,7 @@ decision will be guided by the two goals of preserving the free status
of all derivatives of our free software and of promoting the sharing
and reuse of software generally.
NO WARRANTY
NO WARRANTY
15. BECAUSE THE LIBRARY IS LICENSED FREE OF CHARGE, THERE IS NO
WARRANTY FOR THE LIBRARY, TO THE EXTENT PERMITTED BY APPLICABLE LAW.
@@ -455,7 +455,7 @@ FAILURE OF THE LIBRARY TO OPERATE WITH ANY OTHER SOFTWARE), EVEN IF
SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
DAMAGES.
END OF TERMS AND CONDITIONS
END OF TERMS AND CONDITIONS
How to Apply These Terms to Your New Libraries
@@ -484,7 +484,8 @@ convey the exclusion of warranty; and each file should have at least the
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, see <https://www.gnu.org/licenses/>.
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
Also add information on how to contact you by electronic and paper mail.
@@ -495,7 +496,9 @@ necessary. Here is a sample; alter the names:
Yoyodyne, Inc., hereby disclaims all copyright interest in the
library `Frob' (a library for tweaking knobs) written by James Random Hacker.
<signature of Moe Ghoul>, 1 April 1990
Moe Ghoul, President of Vice
<signature of Ty Coon>, 1 April 1990
Ty Coon, President of Vice
That's all there is to it!

View File

@@ -1,101 +0,0 @@
{
nixFlake ? builtins.getFlake ("git+file://" + toString ../../..),
system ? builtins.currentSystem,
pkgs ? nixFlake.inputs.nixpkgs.legacyPackages.${system},
}:
let
inherit (pkgs) lib;
nixComponentsInstrumented =
(nixFlake.lib.makeComponents {
inherit pkgs;
getStdenv = p: p.clangStdenv;
}).overrideScope
(
_: _: {
mesonComponentOverrides = finalAttrs: prevAttrs: {
outputs = (prevAttrs.outputs or [ "out" ]) ++ [ "buildprofile" ];
nativeBuildInputs = [ pkgs.clangbuildanalyzer ] ++ prevAttrs.nativeBuildInputs or [ ];
__impure = true;
env = {
CFLAGS = "-ftime-trace";
CXXFLAGS = "-ftime-trace";
};
preBuild = ''
ClangBuildAnalyzer --start $PWD
'';
postBuild = ''
ClangBuildAnalyzer --stop $PWD $buildprofile
'';
};
}
);
componentsToProfile = {
"nix-util" = { };
"nix-util-c" = { };
"nix-util-test-support" = { };
"nix-util-tests" = { };
"nix-store" = { };
"nix-store-c" = { };
"nix-store-test-support" = { };
"nix-store-tests" = { };
"nix-fetchers" = { };
"nix-fetchers-c" = { };
"nix-fetchers-tests" = { };
"nix-expr" = { };
"nix-expr-c" = { };
"nix-expr-test-support" = { };
"nix-expr-tests" = { };
"nix-flake" = { };
"nix-flake-c" = { };
"nix-flake-tests" = { };
"nix-main" = { };
"nix-main-c" = { };
"nix-cmd" = { };
"nix-cli" = { };
};
componentDerivationsToProfile = builtins.intersectAttrs componentsToProfile nixComponentsInstrumented;
componentBuildProfiles = lib.mapAttrs (
n: v: lib.getOutput "buildprofile" v
) componentDerivationsToProfile;
buildTimeReport =
pkgs.runCommand "build-time-report"
{
__impure = true;
__structuredAttrs = true;
nativeBuildInputs = [ pkgs.clangbuildanalyzer ];
inherit componentBuildProfiles;
}
''
{
echo "# Build time performance profile for components:"
echo
echo "This reports the build profile collected via \`-ftime-trace\` for each component."
echo
} >> $out
for name in "''\${!componentBuildProfiles[@]}"; do
{
echo "<details><summary><strong>$name</strong></summary>"
echo
echo '````'
ClangBuildAnalyzer --analyze "''\${componentBuildProfiles[$name]}"
echo '````'
echo
echo "</details>"
} >> $out
done
'';
in
{
inherit buildTimeReport;
inherit componentDerivationsToProfile;
}

View File

@@ -1,257 +0,0 @@
{
nixFlake ? builtins.getFlake ("git+file://" + toString ../../..),
system ? builtins.currentSystem,
pkgs ? nixFlake.inputs.nixpkgs.legacyPackages.${system},
nixComponents ? (
nixFlake.lib.makeComponents {
inherit pkgs;
inherit getStdenv;
}
),
getStdenv ? p: p.stdenv,
componentTestsPrefix ? "",
withSanitizers ? false,
withCoverage ? false,
...
}:
let
inherit (pkgs) lib;
hydraJobs = nixFlake.hydraJobs;
packages' = nixFlake.packages.${system};
stdenv = (getStdenv pkgs);
collectCoverageLayer = finalAttrs: prevAttrs: {
env =
let
# https://clang.llvm.org/docs/SourceBasedCodeCoverage.html#the-code-coverage-workflow
coverageFlags = [
"-fprofile-instr-generate"
"-fcoverage-mapping"
];
in
{
CFLAGS = toString coverageFlags;
CXXFLAGS = toString coverageFlags;
};
# Done in a pre-configure hook, because $NIX_BUILD_TOP needs to be substituted.
preConfigure = prevAttrs.preConfigure or "" + ''
mappingFlag=" -fcoverage-prefix-map=$NIX_BUILD_TOP/${finalAttrs.src.name}=${finalAttrs.src}"
CFLAGS+="$mappingFlag"
CXXFLAGS+="$mappingFlag"
'';
};
componentOverrides = (lib.optional withCoverage collectCoverageLayer);
in
rec {
nixComponentsInstrumented = nixComponents.overrideScope (
final: prev: {
withASan = withSanitizers;
withUBSan = withSanitizers;
nix-store-tests = prev.nix-store-tests.override { withBenchmarks = true; };
# Boehm is incompatible with ASAN.
nix-expr = prev.nix-expr.override { enableGC = !withSanitizers; };
mesonComponentOverrides = lib.composeManyExtensions componentOverrides;
# Unclear how to make Perl bindings work with a dynamically linked ASAN.
nix-perl-bindings = if withSanitizers then null else prev.nix-perl-bindings;
}
);
# Import NixOS tests using the instrumented components
nixosTests = import ../../../tests/nixos {
inherit lib pkgs;
nixComponents = nixComponentsInstrumented;
nixpkgs = nixFlake.inputs.nixpkgs;
inherit (nixFlake.inputs) nixpkgs-23-11;
};
/**
Top-level tests for the flake outputs, as they would be built by hydra.
These tests generally can't be overridden to run with sanitizers.
*/
topLevel = {
installerScriptForGHA = hydraJobs.installerScriptForGHA.${system};
installTests = hydraJobs.installTests.${system};
nixpkgsLibTests = hydraJobs.tests.nixpkgsLibTests.${system};
rl-next = pkgs.buildPackages.runCommand "test-rl-next-release-notes" { } ''
LANG=C.UTF-8 ${pkgs.changelog-d}/bin/changelog-d ${../../../doc/manual/rl-next} >$out
'';
repl-completion = pkgs.callPackage ../../../tests/repl-completion.nix { inherit (packages') nix; };
/**
Checks for our packaging expressions.
This shouldn't build anything significant; just check that things
(including derivations) are _set up_ correctly.
*/
packaging-overriding =
let
nix = packages'.nix;
in
assert (nix.appendPatches [ pkgs.emptyFile ]).libs.nix-util.src.patches == [ pkgs.emptyFile ];
if pkgs.stdenv.buildPlatform.isDarwin then
lib.warn "packaging-overriding check currently disabled because of a permissions issue on macOS" pkgs.emptyFile
else
# If this fails, something might be wrong with how we've wired the scope,
# or something could be broken in Nixpkgs.
pkgs.testers.testEqualContents {
assertion = "trivial patch does not change source contents";
expected = "${../../..}";
actual =
# Same for all components; nix-util is an arbitrary pick
(nix.appendPatches [ pkgs.emptyFile ]).libs.nix-util.src;
};
};
disable =
let
inherit (pkgs.stdenv) hostPlatform;
in
args@{
pkgName,
testName,
test,
}:
lib.any (b: b) [
# FIXME: Nix manual is impure and does not produce all settings on darwin
(hostPlatform.isDarwin && pkgName == "nix-manual" && testName == "linkcheck")
];
componentTests =
(lib.concatMapAttrs (
pkgName: pkg:
lib.concatMapAttrs (
testName: test:
lib.optionalAttrs (!disable { inherit pkgName testName test; }) {
"${componentTestsPrefix}${pkgName}-${testName}" = test;
}
) (pkg.tests or { })
) nixComponentsInstrumented)
// lib.optionalAttrs (pkgs.stdenv.hostPlatform == pkgs.stdenv.buildPlatform) {
"${componentTestsPrefix}nix-functional-tests" = nixComponentsInstrumented.nix-functional-tests;
"${componentTestsPrefix}nix-json-schema-checks" = nixComponentsInstrumented.nix-json-schema-checks;
};
codeCoverage =
let
componentsTestsToProfile =
(builtins.mapAttrs (n: v: nixComponentsInstrumented.${n}.tests.run) {
"nix-util-tests" = { };
"nix-store-tests" = { };
"nix-fetchers-tests" = { };
"nix-expr-tests" = { };
"nix-flake-tests" = { };
})
// {
inherit (nixComponentsInstrumented) nix-functional-tests;
};
coverageProfileDrvs = lib.mapAttrs (
n: v:
v.overrideAttrs (
finalAttrs: prevAttrs: {
outputs = (prevAttrs.outputs or [ "out" ]) ++ [ "profraw" ];
env = {
LLVM_PROFILE_FILE = "${placeholder "profraw"}/%m";
};
}
)
) componentsTestsToProfile;
coverageProfiles = lib.mapAttrsToList (n: v: lib.getOutput "profraw" v) coverageProfileDrvs;
mergedProfdata =
pkgs.runCommand "merged-profdata"
{
__structuredAttrs = true;
nativeBuildInputs = [ pkgs.llvmPackages.libllvm ];
inherit coverageProfiles;
}
''
rawProfiles=()
for dir in "''\${coverageProfiles[@]}"; do
rawProfiles+=($dir/*)
done
llvm-profdata merge -sparse -output $out "''\${rawProfiles[@]}"
'';
coverageReports =
let
nixComponentDrvs = lib.filter (lib.isDerivation) (lib.attrValues nixComponentsInstrumented);
in
pkgs.runCommand "code-coverage-report"
{
nativeBuildInputs = [
pkgs.llvmPackages.libllvm
pkgs.jq
];
__structuredAttrs = true;
nixComponents = nixComponentDrvs;
}
''
# ${toString (lib.map (v: v.src) nixComponentDrvs)}
binaryFiles=()
for dir in "''\${nixComponents[@]}"; do
readarray -t filesInDir < <(find "$dir" -type f -executable)
binaryFiles+=("''\${filesInDir[@]}")
done
arguments=$(concatStringsSep " -object " binaryFiles)
llvm-cov show $arguments -instr-profile ${mergedProfdata} -output-dir $out -format=html
{
echo "# Code coverage summary (generated via \`llvm-cov\`):"
echo
echo '```'
llvm-cov report $arguments -instr-profile ${mergedProfdata} -format=text -use-color=false
echo '```'
echo
} >> $out/index.txt
llvm-cov export $arguments -instr-profile ${mergedProfdata} -format=text > $out/coverage.json
mkdir -p $out/nix-support
coverageTotals=$(jq ".data[0].totals" $out/coverage.json)
# Mostly inline from pkgs/build-support/setup-hooks/make-coverage-analysis-report.sh [1],
# which we can't use here, because we rely on LLVM's infra for source code coverage collection.
# [1]: https://github.com/NixOS/nixpkgs/blob/67bb48c4c8e327417d6d5aa7e538244b209e852b/pkgs/build-support/setup-hooks/make-coverage-analysis-report.sh#L16
declare -A metricsArray=(["lineCoverage"]="lines" ["functionCoverage"]="functions" ["branchCoverage"]="branches")
for metricName in "''\${!metricsArray[@]}"; do
key="''\${metricsArray[$metricName]}"
metric=$(echo "$coverageTotals" | jq ".$key.percent * 10 | round / 10")
echo "$metricName $metric %" >> $out/nix-support/hydra-metrics
done
echo "report coverage $out" >> $out/nix-support/hydra-build-products
'';
in
assert withCoverage;
assert stdenv.cc.isClang;
{
inherit coverageProfileDrvs mergedProfdata coverageReports;
};
vmTests = {
inherit (nixosTests) s3-binary-cache-store;
}
// lib.optionalAttrs (!withSanitizers && !withCoverage) {
# evalNixpkgs uses non-instrumented components from hydraJobs, so only run it
# when not testing with sanitizers to avoid rebuilding nix
inherit (hydraJobs.tests) evalNixpkgs;
# FIXME: CI times out when building vm tests instrumented
inherit (nixosTests)
functional_user
githubFlakes
nix-docker
tarballFlakes
;
};
}

View File

@@ -1,24 +0,0 @@
#!/usr/bin/env bash
set -euo pipefail
system=$(nix eval --raw --impure --expr builtins.currentSystem)
echo "::group::Running pre-commit checks"
if nix build ".#checks.$system.pre-commit" -L; then
echo "::endgroup::"
exit 0
fi
echo "::error ::Changes do not pass pre-commit checks"
cat <<EOF
The code isn't formatted or doesn't pass lints. You can run pre-commit locally with:
nix develop -c ./maintainers/format.sh
EOF
echo "::endgroup::"
exit 1

View File

@@ -1,16 +0,0 @@
{
nixFlake ? builtins.getFlake ("git+file://" + toString ../../..),
system ? builtins.currentSystem,
pkgs ? nixFlake.inputs.nixpkgs.legacyPackages.${system},
stdenv ? "stdenv",
componentTestsPrefix ? "",
withInstrumentation ? false,
}@args:
import ./. (
args
// {
getStdenv = p: p.${stdenv};
withSanitizers = withInstrumentation;
withCoverage = withInstrumentation;
}
)

View File

@@ -3,7 +3,7 @@
def transform_anchors_html:
. | gsub($empty_anchor_regex; "<a id=\"" + .anchor + "\"></a>")
. | gsub($empty_anchor_regex; "<a name=\"" + .anchor + "\"></a>")
| gsub($anchor_regex; "<a href=\"#" + .anchor + "\" id=\"" + .anchor + "\">" + .text + "</a>");
@@ -24,15 +24,8 @@ def map_contents_recursively(transformer):
def process_command:
.[0] as $context |
.[1] as $body |
# mdbook 0.5.x uses 'items' instead of 'sections'
if $body.items then
$body + {
items: $body.items | map(map_contents_recursively(if $context.renderer == "html" then transform_anchors_html else transform_anchors_strip end)),
}
else
$body + {
sections: $body.sections | map(map_contents_recursively(if $context.renderer == "html" then transform_anchors_html else transform_anchors_strip end)),
}
end;
$body + {
sections: $body.sections | map(map_contents_recursively(if $context.renderer == "html" then transform_anchors_html else transform_anchors_strip end)),
};
process_command

View File

@@ -7,7 +7,6 @@ additional-css = ["custom.css"]
additional-js = ["redirects.js"]
edit-url-template = "https://github.com/NixOS/nix/tree/master/doc/manual/{path}"
git-repository-url = "https://github.com/NixOS/nix"
mathjax-support = true
# Handles replacing @docroot@ with a path to ./source relative to that markdown file,
# {{#include handlebars}}, and the @generated@ syntax used within these. it mostly
@@ -24,3 +23,12 @@ renderers = ["html"]
command = "jq --from-file ./anchors.jq"
[output.markdown]
[output.linkcheck]
# no Internet during the build (in the sandbox)
follow-web-links = false
# mdbook-linkcheck does not understand [foo]{#bar} style links, resulting in
# excessive "Potential incomplete link" warnings. No other kind of warning was
# produced at the time of writing.
warning-policy = "ignore"

View File

@@ -1,223 +0,0 @@
#!/usr/bin/env python3
"""
Standalone markdown preprocessor for manpage generation.
Expands {{#include}} directives and handles @docroot@ references
without requiring mdbook.
"""
from pathlib import Path
import sys
import argparse
import re
def expand_includes(
content: str,
current_file: Path,
source_root: Path,
generated_root: Path | None,
visited: set[Path] | None = None,
) -> str:
"""
Recursively expand {{#include path}} directives.
Args:
content: Markdown content to process
current_file: Path to the current file (for resolving relative includes)
source_root: Root of the source directory
generated_root: Root of generated files (for @generated@/ includes)
visited: Set of already-visited files (for cycle detection)
"""
if visited is None:
visited = set()
# Track current file to detect cycles
visited.add(current_file.resolve())
lines = []
include_pattern = re.compile(r'^\s*\{\{#include\s+(.+?)\}\}\s*$')
for line in content.splitlines(keepends=True):
match = include_pattern.match(line)
if not match:
lines.append(line)
continue
# Found an include directive
include_path_str = match.group(1).strip()
# Resolve the include path
if include_path_str.startswith("@generated@/"):
# Generated file
if generated_root is None:
raise ValueError(
f"Cannot resolve @generated@ path '{include_path_str}' "
f"without --generated-root"
)
include_path = generated_root / include_path_str[12:]
else:
# Relative to current file
include_path = (current_file.parent / include_path_str).resolve()
# Check for cycles
if include_path.resolve() in visited:
raise RuntimeError(
f"Include cycle detected: {include_path} is already being processed"
)
# Check that file exists
if not include_path.exists():
raise FileNotFoundError(
f"Include file not found: {include_path_str}\n"
f" Resolved to: {include_path}\n"
f" From: {current_file}"
)
# Recursively expand the included file
included_content = include_path.read_text()
expanded = expand_includes(
included_content,
include_path,
source_root,
generated_root,
visited.copy(), # Copy visited set for this branch
)
lines.append(expanded)
# Add newline if the included content doesn't end with one
if not expanded.endswith('\n'):
lines.append('\n')
return ''.join(lines)
def resolve_docroot(content: str, current_file: Path, source_root: Path, docroot_url: str) -> str:
"""
Replace @docroot@ with nix.dev URL and convert .md to .html.
For manpages, absolute URLs are more useful than relative paths since
manpages are viewed standalone. lowdown will display these as proper
references in the manpage output.
"""
# Replace @docroot@ with the base URL
content = content.replace("@docroot@", docroot_url)
# Convert .md extensions to .html for web links
# Use lookahead to ensure that .md occurs before a fragment or a possible URL end.
content = re.sub(
r'(https://nix\.dev/[^)\s]*?)\.md(?=[#)\s]|$)',
r'\1.html',
content
)
return content
def resolve_at_escapes(content: str) -> str:
"""Replace @_at_ with @"""
return content.replace("@_at_", "@")
def process_file(
input_file: Path,
source_root: Path,
generated_root: Path | None,
docroot_url: str,
) -> str:
"""Process a single markdown file."""
content = input_file.read_text()
# Expand includes
content = expand_includes(content, input_file, source_root, generated_root)
# Resolve @docroot@ references
content = resolve_docroot(content, input_file, source_root, docroot_url)
# Resolve @_at_ escapes
content = resolve_at_escapes(content)
return content
def main():
parser = argparse.ArgumentParser(
description="Expand markdown includes for manpage generation",
formatter_class=argparse.RawDescriptionHelpFormatter,
epilog="""
Examples:
# Expand a manpage source file
%(prog)s \\
--source-root doc/manual/source \\
--generated-root build/doc/manual/source \\
doc/manual/source/command-ref/nix-store/query.md
# Pipe to lowdown for manpage generation
%(prog)s -s doc/manual/source -g build/doc/manual/source \\
doc/manual/source/command-ref/nix-env.md | \\
lowdown -sT man -M section=1 -o nix-env.1
""",
)
parser.add_argument(
"input_file",
type=Path,
help="Input markdown file to process",
)
parser.add_argument(
"-s", "--source-root",
type=Path,
required=True,
help="Root directory of markdown sources",
)
parser.add_argument(
"-g", "--generated-root",
type=Path,
help="Root directory of generated files (for @generated@/ includes)",
)
parser.add_argument(
"-o", "--output",
type=Path,
help="Output file (default: stdout)",
)
parser.add_argument(
"-u", "--doc-url",
type=str,
default="https://nix.dev/manual/nix/latest",
help="Base URL for documentation links (default: https://nix.dev/manual/nix/latest)",
)
args = parser.parse_args()
# Validate paths
if not args.input_file.exists():
print(f"Error: Input file not found: {args.input_file}", file=sys.stderr)
return 1
if not args.source_root.is_dir():
print(f"Error: Source root is not a directory: {args.source_root}", file=sys.stderr)
return 1
if args.generated_root and not args.generated_root.is_dir():
print(f"Error: Generated root is not a directory: {args.generated_root}", file=sys.stderr)
return 1
try:
# Process the file
output = process_file(args.input_file, args.source_root, args.generated_root, args.doc_url)
# Write output
if args.output:
args.output.write_text(output)
else:
print(output, end='')
return 0
except Exception as e:
print(f"Error processing {args.input_file}: {e}", file=sys.stderr)
import traceback
traceback.print_exc(file=sys.stderr)
return 1
if __name__ == "__main__":
sys.exit(main())

View File

@@ -1,15 +0,0 @@
#!/usr/bin/env python3
"""Generate redirects.js from template and JSON data."""
import sys
template_path, json_path, output_path = sys.argv[1:]
with open(json_path) as f:
json_content = f.read().rstrip()
with open(template_path) as f:
template = f.read()
with open(output_path, 'w') as f:
f.write(template.replace('@REDIRECTS_JSON@', json_content))

View File

@@ -24,9 +24,9 @@ let
in
concatStringsSep "\n" (map showEntry storesList);
"index.md" = replaceStrings [ "@store-types@" ] [ index ] (
readFile ./source/store/types/index.md.in
);
"index.md" =
replaceStrings [ "@store-types@" ] [ index ]
(readFile ./source/store/types/index.md.in);
tableOfContents =
let

View File

@@ -1,70 +1,50 @@
project(
'nix-manual',
project('nix-manual',
version : files('.version'),
meson_version : '>= 1.1',
license : 'LGPL-2.1-or-later',
)
# Compute documentation URL based on version and release type
version = meson.project_version()
official_release = get_option('official-release')
if official_release
# For official releases, use versioned URL (dropping patch version)
version_parts = version.split('.')
major_minor = '@0@.@1@'.format(version_parts[0], version_parts[1])
doc_url = 'https://nix.dev/manual/nix/@0@'.format(major_minor)
else
# For development builds, use /latest
doc_url = 'https://nix.dev/manual/nix/latest'
endif
nix = find_program('nix', native : true)
mdbook = find_program('mdbook', native : true)
bash = find_program('bash', native : true)
# HTML manual dependencies (conditional)
if get_option('html-manual')
mdbook = find_program('mdbook', native : true)
endif
pymod = import('python')
python = pymod.find_installation('python3')
nix_env_for_docs = {
'HOME' : '/dummy',
'NIX_CONF_DIR' : '/dummy',
'NIX_SSL_CERT_FILE' : '/dummy/no-ca-bundle.crt',
'NIX_STATE_DIR' : '/dummy',
'NIX_CONFIG' : 'cores = 0',
'HOME': '/dummy',
'NIX_CONF_DIR': '/dummy',
'NIX_SSL_CERT_FILE': '/dummy/no-ca-bundle.crt',
'NIX_STATE_DIR': '/dummy',
'NIX_CONFIG': 'cores = 0',
}
nix_for_docs = [ nix, '--experimental-features', 'nix-command' ]
nix_for_docs = [nix, '--experimental-features', 'nix-command']
nix_eval_for_docs_common = nix_for_docs + [
'eval',
'-I',
'nix=' + meson.current_source_dir(),
'-I', 'nix=' + meson.current_source_dir(),
'--store', 'dummy://',
'--impure',
]
nix_eval_for_docs = nix_eval_for_docs_common + '--raw'
conf_file_json = custom_target(
command : nix_for_docs + [ 'config', 'show', '--json' ],
command : nix_for_docs + ['config', 'show', '--json'],
capture : true,
output : 'conf-file.json',
env : nix_env_for_docs,
)
language_json = custom_target(
command : [ nix, '__dump-language' ],
command: [nix, '__dump-language'],
output : 'language.json',
capture : true,
env : nix_env_for_docs,
)
nix3_cli_json = custom_target(
command : [ nix, '__dump-cli' ],
command : [nix, '__dump-cli'],
capture : true,
output : 'nix.json',
env : nix_env_for_docs,
@@ -74,24 +54,6 @@ generate_manual_deps = files(
'generate-deps.py',
)
# Generate redirects.js from template and JSON data
redirects_js = custom_target(
'redirects.js',
command : [
python,
'@INPUT0@',
'@INPUT1@',
'@INPUT2@',
'@OUTPUT@',
],
input : [
'generate-redirects.py',
'redirects.js.in',
'redirects.json',
],
output : 'redirects.js',
)
# Generates types
subdir('source/store')
# Generates builtins.md and builtin-constants.md.
@@ -112,79 +74,64 @@ else
nix_input = []
endif
# HTML manual build (conditional)
if get_option('html-manual')
manual = custom_target(
manual = custom_target(
'manual',
command : [
bash,
'-euo', 'pipefail',
'-c',
'''
@0@ @INPUT0@ @CURRENT_SOURCE_DIR@ > @DEPFILE@
@0@ @INPUT1@ summary @2@ < @CURRENT_SOURCE_DIR@/source/SUMMARY.md.in > @2@/source/SUMMARY.md
sed -e 's|@version@|@3@|g' < @INPUT2@ > @2@/book.toml
rsync -r --include='*.md' @CURRENT_SOURCE_DIR@/ @2@/
(cd @2@; RUST_LOG=warn @1@ build -d @2@ 3>&2 2>&1 1>&3) | { grep -Fv "because fragment resolution isn't implemented" || :; } 3>&2 2>&1 1>&3
rm -rf @2@/manual
mv @2@/html @2@/manual
find @2@/manual -iname meson.build -delete
'''.format(
python.full_path(),
mdbook.full_path(),
meson.current_build_dir(),
meson.project_version(),
),
],
input : [
generate_manual_deps,
'substitute.py',
'book.toml.in',
'anchors.jq',
'custom.css',
nix3_cli_files,
experimental_features_shortlist_md,
experimental_feature_descriptions_md,
types_dir,
conf_file_md,
builtins_md,
rl_next_generated,
summary_rl_next,
nix_input,
],
output : [
'manual',
command : [
bash,
'-euo',
'pipefail',
'-c',
'''
@0@ @INPUT0@ @CURRENT_SOURCE_DIR@ > @DEPFILE@
@0@ @INPUT1@ summary @2@ < @CURRENT_SOURCE_DIR@/source/SUMMARY.md.in > @2@/source/SUMMARY.md
sed -e 's|@version@|@3@|g' < @INPUT2@ > @2@/book.toml
# Copy source to build directory, excluding the build directory itself
# (which is present when built as an individual component).
# Use tar with --dereference to copy symlink targets (e.g., JSON examples from tests).
(cd @CURRENT_SOURCE_DIR@ && find . -mindepth 1 -maxdepth 1 ! -name build | tar -c --dereference -T - -f -) | (cd @2@ && tar -xf -)
chmod -R u+w @2@
find @2@ -name '*.drv' -delete
(cd @2@; RUST_LOG=warn @1@ build -d @2@ 3>&2 2>&1 1>&3) | { grep -Fv "because fragment resolution isn't implemented" || :; } 3>&2 2>&1 1>&3
rm -rf @2@/manual
mv @2@/html @2@/manual
# Remove Mathjax 2.7, because we will actually use MathJax 3.x
find @2@/manual | grep .html | xargs sed -i -e '/2.7.1.MathJax.js/d'
find @2@/manual -iname meson.build -delete
'''.format(
python.full_path(),
mdbook.full_path(),
meson.current_build_dir(),
meson.project_version(),
),
],
input : [
generate_manual_deps,
'substitute.py',
'book.toml.in',
'anchors.jq',
'custom.css',
redirects_js,
nix3_cli_files,
experimental_features_shortlist_md,
experimental_feature_descriptions_md,
types_dir,
conf_file_md,
builtins_md,
rl_next_generated,
summary_rl_next,
json_schema_generated_files,
nix_input,
],
output : [
'manual',
'markdown',
],
depfile : 'manual.d',
build_by_default : true,
env : {
'RUST_LOG' : 'info',
'MDBOOK_SUBSTITUTE_SEARCH' : meson.current_build_dir() / 'source',
},
)
manual_html = manual[0]
manual_md = manual[1]
'markdown',
],
depfile : 'manual.d',
env : {
'RUST_LOG': 'info',
'MDBOOK_SUBSTITUTE_SEARCH': meson.current_build_dir() / 'source',
},
)
manual_html = manual[0]
manual_md = manual[1]
install_subdir(
manual_html.full_path(),
install_dir : get_option('datadir') / 'doc/nix',
)
endif
install_subdir(
manual_html.full_path(),
install_dir : get_option('datadir') / 'doc/nix',
)
nix_nested_manpages = [
[
'nix-env',
[ 'nix-env',
[
'delete-generations',
'install',
@@ -199,8 +146,7 @@ nix_nested_manpages = [
'upgrade',
],
],
[
'nix-store',
[ 'nix-store',
[
'add-fixed',
'add',
@@ -226,7 +172,6 @@ nix_nested_manpages = [
],
]
# Manpage generation (standalone, no mdbook dependency)
foreach command : nix_nested_manpages
foreach page : command[1]
title = command[0] + ' --' + page
@@ -234,19 +179,15 @@ foreach command : nix_nested_manpages
custom_target(
command : [
bash,
'@INPUT0@',
files('./render-manpage.sh'),
'--out-no-smarty',
title,
section,
meson.current_source_dir() / 'source',
meson.current_build_dir() / 'source',
doc_url,
meson.current_source_dir() / 'source/command-ref' / command[0] / (page + '.md'),
'@INPUT0@/command-ref' / command[0] / (page + '.md'),
'@OUTPUT0@',
],
input : [
files('./render-manpage.sh'),
files('./expand-includes.py'),
manual_md,
nix_input,
],
output : command[0] + '-' + page + '.1',
@@ -305,11 +246,11 @@ nix3_manpages = [
'nix3-nar',
'nix3-path-info',
'nix3-print-dev-env',
'nix3-profile',
'nix3-profile-add',
'nix3-profile-diff-closures',
'nix3-profile-history',
'nix3-profile-install',
'nix3-profile-list',
'nix3-profile',
'nix3-profile-remove',
'nix3-profile-rollback',
'nix3-profile-upgrade',
@@ -355,21 +296,14 @@ foreach page : nix3_manpages
command : [
bash,
'@INPUT0@',
# Note: no --out-no-smarty flag (original behavior)
page,
section,
meson.current_source_dir() / 'source',
meson.current_build_dir() / 'source',
doc_url,
meson.current_build_dir() / 'source/command-ref/new-cli/@0@.md'.format(
page,
),
'@INPUT1@/command-ref/new-cli/@0@.md'.format(page),
'@OUTPUT@',
],
input : [
files('./render-manpage.sh'),
files('./expand-includes.py'),
nix3_cli_files,
manual_md,
nix_input,
],
output : page + '.1',
@@ -389,12 +323,7 @@ nix_manpages = [
[ 'nix-channel', 1 ],
[ 'nix-hash', 1 ],
[ 'nix-copy-closure', 1 ],
[
'nix.conf',
5,
conf_file_md.full_path(),
[ conf_file_md, experimental_features_shortlist_md ],
],
[ 'nix.conf', 5, conf_file_md.full_path() ],
[ 'nix-daemon', 8 ],
[ 'nix-profiles', 5, 'files/profiles.md' ],
]
@@ -406,24 +335,19 @@ foreach entry : nix_manpages
# Therefore we use an optional third element of this array to override the name pattern
md_file = entry.get(2, title + '.md')
section = entry[1].to_string()
input_file = meson.current_source_dir() / 'source/command-ref' / md_file
md_file_resolved = join_paths('@INPUT1@/command-ref/', md_file)
custom_target(
command : [
bash,
'@INPUT0@',
# Note: no --out-no-smarty flag (original behavior)
title,
section,
meson.current_source_dir() / 'source',
meson.current_build_dir() / 'source',
doc_url,
input_file,
md_file_resolved,
'@OUTPUT@',
],
input : [
files('./render-manpage.sh'),
files('./expand-includes.py'),
manual_md,
entry.get(3, []),
nix_input,
],

View File

@@ -1,13 +0,0 @@
option(
'official-release',
type : 'boolean',
value : true,
description : 'Whether this is an official release build (affects documentation URLs)',
)
option(
'html-manual',
type : 'boolean',
value : true,
description : 'Whether to build the HTML manual (requires mdbook)',
)

View File

@@ -1,31 +1,22 @@
{
lib,
callPackage,
mkMesonDerivation,
runCommand,
meson,
ninja,
lowdown-unsandboxed,
mdbook,
mdbook-linkcheck,
jq,
python3,
rsync,
nix-cli,
changelog-d,
json-schema-for-humans,
officialRelease,
# Configuration Options
version,
/**
Whether to build the HTML manual.
When false, only manpages are built, avoiding the mdbook dependency.
*/
buildHtmlManual ? true,
# `tests` attribute
testers,
}:
let
@@ -41,20 +32,6 @@ mkMesonDerivation (finalAttrs: {
fileset.difference
(fileset.unions [
../../.version
# For example JSON
../../src/libutil-tests/data/memory-source-accessor
../../src/libutil-tests/data/hash
../../src/libstore-tests/data/content-address
../../src/libstore-tests/data/store-path
../../src/libstore-tests/data/realisation
../../src/libstore-tests/data/derivation
../../src/libstore-tests/data/derived-path
../../src/libstore-tests/data/path-info
../../src/libstore-tests/data/nar-info
../../src/libstore-tests/data/build-result
../../src/libstore-tests/data/dummy-store
# For derivation examples referenced by symlinks in doc/manual/source/protocols/json/schema/
../../tests/functional/derivation
# Too many different types of files to filter for now
../../doc/manual
./.
@@ -63,91 +40,44 @@ mkMesonDerivation (finalAttrs: {
../../doc/manual/package.nix;
# TODO the man pages should probably be separate
outputs =
if buildHtmlManual then
[
"out"
"man"
]
else
[ "out" ]; # Only one output when HTML manual is disabled; use "out" for manpages
# When HTML manual is disabled, install manpages to "out" instead of "man"
mesonFlags = [
(lib.mesonBool "official-release" officialRelease)
(lib.mesonBool "html-manual" buildHtmlManual)
]
++ lib.optionals (!buildHtmlManual) [
"--mandir=${placeholder "out"}/share/man"
outputs = [
"out"
"man"
];
nativeBuildInputs = [
nix-cli
# Hack for sake of the dev shell
passthru.externalNativeBuildInputs = [
meson
ninja
(lib.getBin lowdown-unsandboxed)
mdbook
mdbook-linkcheck
jq
python3
rsync
changelog-d
]
++ lib.optionals buildHtmlManual [
mdbook
json-schema-for-humans
]
++ lib.optionals (!officialRelease && buildHtmlManual) [
++ lib.optionals (!officialRelease) [
# When not an official release, we likely have changelog entries that have
# yet to be rendered.
# When released, these are rendered into a committed file to save a dependency.
changelog-d
];
nativeBuildInputs = finalAttrs.passthru.externalNativeBuildInputs ++ [
nix-cli
];
preConfigure = ''
chmod u+w ./.version
echo ${finalAttrs.version} > ./.version
'';
postInstall = lib.optionalString buildHtmlManual ''
postInstall = ''
mkdir -p ''$out/nix-support
echo "doc manual ''$out/share/doc/nix/manual" >> ''$out/nix-support/hydra-build-products
'';
passthru = lib.optionalAttrs buildHtmlManual {
/**
The root of the HTML manual.
E.g. "${nix-manual.site}/index.html" exists.
*/
site = finalAttrs.finalPackage + "/share/doc/nix/manual";
tests =
let
redirect-targets = callPackage ./redirect-targets-html.nix { };
in
{
# https://nixos.org/manual/nixpkgs/stable/index.html#tester-lycheeLinkCheck
linkcheck = testers.lycheeLinkCheck {
site =
let
plain = finalAttrs.finalPackage.site;
in
runCommand "nix-manual-with-redirect-targets" { } ''
cp -r ${plain} $out
chmod -R u+w $out
cp ${redirect-targets}/redirect-targets.html $out/redirect-targets.html
'';
extraConfig = {
exclude = [
# Exclude auto-generated JSON schema documentation which has
# auto-generated fragment IDs that don't match the link references
".*/protocols/json/.*\\.html"
# Exclude undocumented builtins
".*/language/builtins\\.html#builtins-addErrorContext"
".*/language/builtins\\.html#builtins-appendContext"
];
};
};
};
};
meta = {
platforms = lib.platforms.all;
};

View File

@@ -1,62 +0,0 @@
# Generates redirect-targets.html containing all redirect targets for link checking.
# Used by: doc/manual/package.nix (passthru.tests.linkcheck)
{
stdenv,
lib,
jq,
}:
stdenv.mkDerivation {
name = "redirect-targets-html";
src = lib.fileset.toSource {
root = ./.;
fileset = ./redirects.json;
};
nativeBuildInputs = [ jq ];
installPhase = ''
mkdir -p $out
{
echo '<!DOCTYPE html>'
echo '<html><head><title>Nix Manual Redirect Targets</title></head><body>'
echo '<h1>Redirect Targets to Check</h1>'
echo '<p>This document contains all redirect targets from the Nix manual.</p>'
echo '<h2>Client-side redirects (from redirects.json)</h2>'
echo '<ul>'
# Extract all redirects with their source pages to properly resolve relative paths
jq -r 'to_entries[] | .key as $page | .value | to_entries[] | "\($page)\t\(.value)"' \
redirects.json | while IFS=$'\t' read -r page target; do
page_dir=$(dirname "$page")
# Handle fragment-only targets (e.g., #primitives)
if [[ "$target" == \#* ]]; then
# Fragment is on the same page
resolved="$page$target"
echo "<li><a href=\"$resolved\">$resolved</a> (fragment on $page)</li>"
continue
fi
# Resolve relative path based on the source page location
resolved="$page_dir/$target"
echo "<li><a href=\"$resolved\">$resolved</a> (from $page)</li>"
done
echo '</ul>'
echo '</body></html>'
} > $out/redirect-targets.html
echo "Generated redirect targets document with $(grep -c '<li>' $out/redirect-targets.html) links"
'';
meta = {
description = "HTML document listing all Nix manual redirect targets for link checking";
};
}

460
doc/manual/redirects.js Normal file
View File

@@ -0,0 +1,460 @@
// redirect rules for URL fragments (client-side) to prevent link rot.
// this must be done on the client side, as web servers do not see the fragment part of the URL.
// it will only work with JavaScript enabled in the browser, but this is the best we can do here.
// see source/_redirects for path redirects (server-side)
// redirects are declared as follows:
// each entry has as its key a path matching the requested URL path, relative to the mdBook document root.
//
// IMPORTANT: it must specify the full path with file name and suffix
//
// each entry is itself a set of key-value pairs, where
// - keys are anchors on the matched path.
// - values are redirection targets relative to the current path.
const redirects = {
"index.html": {
"part-advanced-topics": "advanced-topics/index.html",
"chap-tuning-cores-and-jobs": "advanced-topics/cores-vs-jobs.html",
"chap-diff-hook": "advanced-topics/diff-hook.html",
"check-dirs-are-unregistered": "advanced-topics/diff-hook.html#check-dirs-are-unregistered",
"chap-distributed-builds": "command-ref/conf-file.html#conf-builders",
"chap-post-build-hook": "advanced-topics/post-build-hook.html",
"chap-post-build-hook-caveats": "advanced-topics/post-build-hook.html#implementation-caveats",
"chap-writing-nix-expressions": "language/index.html",
"part-command-ref": "command-ref/index.html",
"conf-allow-import-from-derivation": "command-ref/conf-file.html#conf-allow-import-from-derivation",
"conf-allow-new-privileges": "command-ref/conf-file.html#conf-allow-new-privileges",
"conf-allowed-uris": "command-ref/conf-file.html#conf-allowed-uris",
"conf-allowed-users": "command-ref/conf-file.html#conf-allowed-users",
"conf-auto-optimise-store": "command-ref/conf-file.html#conf-auto-optimise-store",
"conf-binary-cache-public-keys": "command-ref/conf-file.html#conf-binary-cache-public-keys",
"conf-binary-caches": "command-ref/conf-file.html#conf-binary-caches",
"conf-build-compress-log": "command-ref/conf-file.html#conf-build-compress-log",
"conf-build-cores": "command-ref/conf-file.html#conf-build-cores",
"conf-build-extra-chroot-dirs": "command-ref/conf-file.html#conf-build-extra-chroot-dirs",
"conf-build-extra-sandbox-paths": "command-ref/conf-file.html#conf-build-extra-sandbox-paths",
"conf-build-fallback": "command-ref/conf-file.html#conf-build-fallback",
"conf-build-max-jobs": "command-ref/conf-file.html#conf-build-max-jobs",
"conf-build-max-log-size": "command-ref/conf-file.html#conf-build-max-log-size",
"conf-build-max-silent-time": "command-ref/conf-file.html#conf-build-max-silent-time",
"conf-build-timeout": "command-ref/conf-file.html#conf-build-timeout",
"conf-build-use-chroot": "command-ref/conf-file.html#conf-build-use-chroot",
"conf-build-use-sandbox": "command-ref/conf-file.html#conf-build-use-sandbox",
"conf-build-use-substitutes": "command-ref/conf-file.html#conf-build-use-substitutes",
"conf-build-users-group": "command-ref/conf-file.html#conf-build-users-group",
"conf-builders": "command-ref/conf-file.html#conf-builders",
"conf-builders-use-substitutes": "command-ref/conf-file.html#conf-builders-use-substitutes",
"conf-compress-build-log": "command-ref/conf-file.html#conf-compress-build-log",
"conf-connect-timeout": "command-ref/conf-file.html#conf-connect-timeout",
"conf-cores": "command-ref/conf-file.html#conf-cores",
"conf-diff-hook": "command-ref/conf-file.html#conf-diff-hook",
"conf-env-keep-derivations": "command-ref/conf-file.html#conf-env-keep-derivations",
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"conf-sandbox-paths": "command-ref/conf-file.html#conf-sandbox-paths",
"conf-secret-key-files": "command-ref/conf-file.html#conf-secret-key-files",
"conf-show-trace": "command-ref/conf-file.html#conf-show-trace",
"conf-stalled-download-timeout": "command-ref/conf-file.html#conf-stalled-download-timeout",
"conf-substitute": "command-ref/conf-file.html#conf-substitute",
"conf-substituters": "command-ref/conf-file.html#conf-substituters",
"conf-system": "command-ref/conf-file.html#conf-system",
"conf-system-features": "command-ref/conf-file.html#conf-system-features",
"conf-tarball-ttl": "command-ref/conf-file.html#conf-tarball-ttl",
"conf-timeout": "command-ref/conf-file.html#conf-timeout",
"conf-trace-function-calls": "command-ref/conf-file.html#conf-trace-function-calls",
"conf-trusted-binary-caches": "command-ref/conf-file.html#conf-trusted-binary-caches",
"conf-trusted-public-keys": "command-ref/conf-file.html#conf-trusted-public-keys",
"conf-trusted-substituters": "command-ref/conf-file.html#conf-trusted-substituters",
"conf-trusted-users": "command-ref/conf-file.html#conf-trusted-users",
"extra-sandbox-paths": "command-ref/conf-file.html#extra-sandbox-paths",
"sec-conf-file": "command-ref/conf-file.html",
"env-NIX_PATH": "command-ref/env-common.html#env-NIX_PATH",
"env-common": "command-ref/env-common.html",
"envar-remote": "command-ref/env-common.html#env-NIX_REMOTE",
"sec-common-env": "command-ref/env-common.html",
"ch-files": "command-ref/files.html",
"ch-main-commands": "command-ref/main-commands.html",
"opt-out-link": "command-ref/nix-build.html#opt-out-link",
"sec-nix-build": "command-ref/nix-build.html",
"sec-nix-channel": "command-ref/nix-channel.html",
"sec-nix-collect-garbage": "command-ref/nix-collect-garbage.html",
"sec-nix-copy-closure": "command-ref/nix-copy-closure.html",
"sec-nix-daemon": "command-ref/nix-daemon.html",
"refsec-nix-env-install-examples": "command-ref/nix-env.html#examples",
"rsec-nix-env-install": "command-ref/nix-env.html#operation---install",
"rsec-nix-env-set": "command-ref/nix-env.html#operation---set",
"rsec-nix-env-set-flag": "command-ref/nix-env.html#operation---set-flag",
"rsec-nix-env-upgrade": "command-ref/nix-env.html#operation---upgrade",
"sec-nix-env": "command-ref/nix-env.html",
"ssec-version-comparisons": "command-ref/nix-env.html#versions",
"sec-nix-hash": "command-ref/nix-hash.html",
"sec-nix-instantiate": "command-ref/nix-instantiate.html",
"sec-nix-prefetch-url": "command-ref/nix-prefetch-url.html",
"sec-nix-shell": "command-ref/nix-shell.html",
"ssec-nix-shell-shebang": "command-ref/nix-shell.html#use-as-a--interpreter",
"nixref-queries": "command-ref/nix-store.html#queries",
"opt-add-root": "command-ref/nix-store.html#opt-add-root",
"refsec-nix-store-dump": "command-ref/nix-store.html#operation---dump",
"refsec-nix-store-export": "command-ref/nix-store.html#operation---export",
"refsec-nix-store-import": "command-ref/nix-store.html#operation---import",
"refsec-nix-store-query": "command-ref/nix-store.html#operation---query",
"refsec-nix-store-verify": "command-ref/nix-store.html#operation---verify",
"rsec-nix-store-gc": "command-ref/nix-store.html#operation---gc",
"rsec-nix-store-generate-binary-cache-key": "command-ref/nix-store.html#operation---generate-binary-cache-key",
"rsec-nix-store-realise": "command-ref/nix-store.html#operation---realise",
"rsec-nix-store-serve": "command-ref/nix-store.html#operation---serve",
"sec-nix-store": "command-ref/nix-store.html",
"opt-I": "command-ref/opt-common.html#opt-I",
"opt-attr": "command-ref/opt-common.html#opt-attr",
"opt-common": "command-ref/opt-common.html",
"opt-cores": "command-ref/opt-common.html#opt-cores",
"opt-log-format": "command-ref/opt-common.html#opt-log-format",
"opt-max-jobs": "command-ref/opt-common.html#opt-max-jobs",
"opt-max-silent-time": "command-ref/opt-common.html#opt-max-silent-time",
"opt-timeout": "command-ref/opt-common.html#opt-timeout",
"sec-common-options": "command-ref/opt-common.html",
"ch-utilities": "command-ref/utilities.html",
"chap-hacking": "development/building.html",
"adv-attr-allowSubstitutes": "language/advanced-attributes.html#adv-attr-allowSubstitutes",
"adv-attr-allowedReferences": "language/advanced-attributes.html#adv-attr-allowedReferences",
"adv-attr-allowedRequisites": "language/advanced-attributes.html#adv-attr-allowedRequisites",
"adv-attr-disallowedReferences": "language/advanced-attributes.html#adv-attr-disallowedReferences",
"adv-attr-disallowedRequisites": "language/advanced-attributes.html#adv-attr-disallowedRequisites",
"adv-attr-exportReferencesGraph": "language/advanced-attributes.html#adv-attr-exportReferencesGraph",
"adv-attr-impureEnvVars": "language/advanced-attributes.html#adv-attr-impureEnvVars",
"adv-attr-outputHash": "language/advanced-attributes.html#adv-attr-outputHash",
"adv-attr-outputHashAlgo": "language/advanced-attributes.html#adv-attr-outputHashAlgo",
"adv-attr-outputHashMode": "language/advanced-attributes.html#adv-attr-outputHashMode",
"adv-attr-passAsFile": "language/advanced-attributes.html#adv-attr-passAsFile",
"adv-attr-preferLocalBuild": "language/advanced-attributes.html#adv-attr-preferLocalBuild",
"fixed-output-drvs": "language/advanced-attributes.html#adv-attr-outputHash",
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"builtin-abort": "language/builtins.html#builtins-abort",
"builtin-add": "language/builtins.html#builtins-add",
"builtin-all": "language/builtins.html#builtins-all",
"builtin-any": "language/builtins.html#builtins-any",
"builtin-attrNames": "language/builtins.html#builtins-attrNames",
"builtin-attrValues": "language/builtins.html#builtins-attrValues",
"builtin-baseNameOf": "language/builtins.html#builtins-baseNameOf",
"builtin-bitAnd": "language/builtins.html#builtins-bitAnd",
"builtin-bitOr": "language/builtins.html#builtins-bitOr",
"builtin-bitXor": "language/builtins.html#builtins-bitXor",
"builtin-builtins": "language/builtins.html#builtins-builtins",
"builtin-compareVersions": "language/builtins.html#builtins-compareVersions",
"builtin-concatLists": "language/builtins.html#builtins-concatLists",
"builtin-concatStringsSep": "language/builtins.html#builtins-concatStringsSep",
"builtin-currentSystem": "language/builtins.html#builtins-currentSystem",
"builtin-deepSeq": "language/builtins.html#builtins-deepSeq",
"builtin-derivation": "language/builtins.html#builtins-derivation",
"builtin-dirOf": "language/builtins.html#builtins-dirOf",
"builtin-div": "language/builtins.html#builtins-div",
"builtin-elem": "language/builtins.html#builtins-elem",
"builtin-elemAt": "language/builtins.html#builtins-elemAt",
"builtin-fetchGit": "language/builtins.html#builtins-fetchGit",
"builtin-fetchTarball": "language/builtins.html#builtins-fetchTarball",
"builtin-fetchurl": "language/builtins.html#builtins-fetchurl",
"builtin-filterSource": "language/builtins.html#builtins-filterSource",
"builtin-foldl-prime": "language/builtins.html#builtins-foldl-prime",
"builtin-fromJSON": "language/builtins.html#builtins-fromJSON",
"builtin-functionArgs": "language/builtins.html#builtins-functionArgs",
"builtin-genList": "language/builtins.html#builtins-genList",
"builtin-getAttr": "language/builtins.html#builtins-getAttr",
"builtin-getEnv": "language/builtins.html#builtins-getEnv",
"builtin-hasAttr": "language/builtins.html#builtins-hasAttr",
"builtin-hashFile": "language/builtins.html#builtins-hashFile",
"builtin-hashString": "language/builtins.html#builtins-hashString",
"builtin-head": "language/builtins.html#builtins-head",
"builtin-import": "language/builtins.html#builtins-import",
"builtin-intersectAttrs": "language/builtins.html#builtins-intersectAttrs",
"builtin-isAttrs": "language/builtins.html#builtins-isAttrs",
"builtin-isBool": "language/builtins.html#builtins-isBool",
"builtin-isFloat": "language/builtins.html#builtins-isFloat",
"builtin-isFunction": "language/builtins.html#builtins-isFunction",
"builtin-isInt": "language/builtins.html#builtins-isInt",
"builtin-isList": "language/builtins.html#builtins-isList",
"builtin-isNull": "language/builtins.html#builtins-isNull",
"builtin-isString": "language/builtins.html#builtins-isString",
"builtin-length": "language/builtins.html#builtins-length",
"builtin-lessThan": "language/builtins.html#builtins-lessThan",
"builtin-listToAttrs": "language/builtins.html#builtins-listToAttrs",
"builtin-map": "language/builtins.html#builtins-map",
"builtin-match": "language/builtins.html#builtins-match",
"builtin-mul": "language/builtins.html#builtins-mul",
"builtin-parseDrvName": "language/builtins.html#builtins-parseDrvName",
"builtin-path": "language/builtins.html#builtins-path",
"builtin-pathExists": "language/builtins.html#builtins-pathExists",
"builtin-placeholder": "language/builtins.html#builtins-placeholder",
"builtin-readDir": "language/builtins.html#builtins-readDir",
"builtin-readFile": "language/builtins.html#builtins-readFile",
"builtin-removeAttrs": "language/builtins.html#builtins-removeAttrs",
"builtin-replaceStrings": "language/builtins.html#builtins-replaceStrings",
"builtin-seq": "language/builtins.html#builtins-seq",
"builtin-sort": "language/builtins.html#builtins-sort",
"builtin-split": "language/builtins.html#builtins-split",
"builtin-splitVersion": "language/builtins.html#builtins-splitVersion",
"builtin-stringLength": "language/builtins.html#builtins-stringLength",
"builtin-sub": "language/builtins.html#builtins-sub",
"builtin-substring": "language/builtins.html#builtins-substring",
"builtin-tail": "language/builtins.html#builtins-tail",
"builtin-throw": "language/builtins.html#builtins-throw",
"builtin-toFile": "language/builtins.html#builtins-toFile",
"builtin-toJSON": "language/builtins.html#builtins-toJSON",
"builtin-toPath": "language/builtins.html#builtins-toPath",
"builtin-toString": "language/builtins.html#builtins-toString",
"builtin-toXML": "language/builtins.html#builtins-toXML",
"builtin-trace": "language/builtins.html#builtins-trace",
"builtin-tryEval": "language/builtins.html#builtins-tryEval",
"builtin-typeOf": "language/builtins.html#builtins-typeOf",
"ssec-builtins": "language/builtins.html",
"attr-system": "language/derivations.html#attr-system",
"ssec-derivation": "language/derivations.html",
"ch-expression-language": "language/index.html",
"sec-constructs": "language/syntax.html",
"sect-let-language": "language/syntax.html#let-expressions",
"ss-functions": "language/syntax.html#functions",
"sec-language-operators": "language/operators.html",
"table-operators": "language/operators.html",
"ssec-values": "language/types.html",
"gloss-closure": "glossary.html#gloss-closure",
"gloss-derivation": "glossary.html#gloss-derivation",
"gloss-deriver": "glossary.html#gloss-deriver",
"gloss-nar": "glossary.html#gloss-nar",
"gloss-output-path": "glossary.html#gloss-output-path",
"gloss-profile": "glossary.html#gloss-profile",
"gloss-reachable": "glossary.html#gloss-reachable",
"gloss-reference": "glossary.html#gloss-reference",
"gloss-substitute": "glossary.html#gloss-substitute",
"gloss-user-env": "glossary.html#gloss-user-env",
"gloss-validity": "glossary.html#gloss-validity",
"part-glossary": "glossary.html",
"sec-building-source": "installation/building-source.html",
"ch-env-variables": "installation/env-variables.html",
"sec-installer-proxy-settings": "installation/env-variables.html#proxy-environment-variables",
"sec-nix-ssl-cert-file": "installation/env-variables.html#nix_ssl_cert_file",
"sec-nix-ssl-cert-file-with-nix-daemon-and-macos": "installation/env-variables.html#nix_ssl_cert_file-with-macos-and-the-nix-daemon",
"chap-installation": "installation/index.html",
"ch-installing-binary": "installation/installing-binary.html",
"sect-macos-installation": "installation/installing-binary.html#macos-installation",
"sect-macos-installation-change-store-prefix": "installation/installing-binary.html#macos-installation",
"sect-macos-installation-encrypted-volume": "installation/installing-binary.html#macos-installation",
"sect-macos-installation-recommended-notes": "installation/installing-binary.html#macos-installation",
"sect-macos-installation-symlink": "installation/installing-binary.html#macos-installation",
"sect-multi-user-installation": "installation/installing-binary.html#multi-user-installation",
"sect-nix-install-binary-tarball": "installation/installing-binary.html#installing-from-a-binary-tarball",
"sect-nix-install-pinned-version-url": "installation/installing-binary.html#installing-a-pinned-nix-version-from-a-url",
"sect-single-user-installation": "installation/installing-binary.html#single-user-installation",
"ch-installing-source": "installation/installing-source.html",
"ssec-multi-user": "installation/multi-user.html",
"ch-nix-security": "installation/nix-security.html",
"sec-obtaining-source": "installation/obtaining-source.html",
"sec-prerequisites-source": "installation/prerequisites-source.html",
"sec-single-user": "installation/single-user.html",
"ch-supported-platforms": "installation/supported-platforms.html",
"ch-upgrading-nix": "installation/upgrading.html",
"ch-about-nix": "introduction.html",
"chap-introduction": "introduction.html",
"ch-basic-package-mgmt": "package-management/basic-package-mgmt.html",
"ssec-binary-cache-substituter": "package-management/binary-cache-substituter.html",
"sec-channels": "command-ref/nix-channel.html",
"ssec-copy-closure": "command-ref/nix-copy-closure.html",
"sec-garbage-collection": "package-management/garbage-collection.html",
"ssec-gc-roots": "package-management/garbage-collector-roots.html",
"chap-package-management": "package-management/index.html",
"sec-profiles": "package-management/profiles.html",
"ssec-s3-substituter": "store/types/s3-substituter.html",
"ssec-s3-substituter-anonymous-reads": "store/types/s3-substituter.html#anonymous-reads-to-your-s3-compatible-binary-cache",
"ssec-s3-substituter-authenticated-reads": "store/types/s3-substituter.html#authenticated-reads-to-your-s3-binary-cache",
"ssec-s3-substituter-authenticated-writes": "store/types/s3-substituter.html#authenticated-writes-to-your-s3-compatible-binary-cache",
"sec-sharing-packages": "package-management/sharing-packages.html",
"ssec-ssh-substituter": "package-management/ssh-substituter.html",
"chap-quick-start": "quick-start.html",
"sec-relnotes": "release-notes/index.html",
"ch-relnotes-0.10.1": "release-notes/rl-0.10.1.html",
"ch-relnotes-0.10": "release-notes/rl-0.10.html",
"ssec-relnotes-0.11": "release-notes/rl-0.11.html",
"ssec-relnotes-0.12": "release-notes/rl-0.12.html",
"ssec-relnotes-0.13": "release-notes/rl-0.13.html",
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"ssec-relnotes-0.15": "release-notes/rl-0.15.html",
"ssec-relnotes-0.16": "release-notes/rl-0.16.html",
"ch-relnotes-0.5": "release-notes/rl-0.5.html",
"ch-relnotes-0.6": "release-notes/rl-0.6.html",
"ch-relnotes-0.7": "release-notes/rl-0.7.html",
"ch-relnotes-0.8.1": "release-notes/rl-0.8.1.html",
"ch-relnotes-0.8": "release-notes/rl-0.8.html",
"ch-relnotes-0.9.1": "release-notes/rl-0.9.1.html",
"ch-relnotes-0.9.2": "release-notes/rl-0.9.2.html",
"ch-relnotes-0.9": "release-notes/rl-0.9.html",
"ssec-relnotes-1.0": "release-notes/rl-1.0.html",
"ssec-relnotes-1.1": "release-notes/rl-1.1.html",
"ssec-relnotes-1.10": "release-notes/rl-1.10.html",
"ssec-relnotes-1.11.10": "release-notes/rl-1.11.10.html",
"ssec-relnotes-1.11": "release-notes/rl-1.11.html",
"ssec-relnotes-1.2": "release-notes/rl-1.2.html",
"ssec-relnotes-1.3": "release-notes/rl-1.3.html",
"ssec-relnotes-1.4": "release-notes/rl-1.4.html",
"ssec-relnotes-1.5.1": "release-notes/rl-1.5.1.html",
"ssec-relnotes-1.5.2": "release-notes/rl-1.5.2.html",
"ssec-relnotes-1.5": "release-notes/rl-1.5.html",
"ssec-relnotes-1.6.1": "release-notes/rl-1.6.1.html",
"ssec-relnotes-1.6.0": "release-notes/rl-1.6.html",
"ssec-relnotes-1.7": "release-notes/rl-1.7.html",
"ssec-relnotes-1.8": "release-notes/rl-1.8.html",
"ssec-relnotes-1.9": "release-notes/rl-1.9.html",
"ssec-relnotes-2.0": "release-notes/rl-2.0.html",
"ssec-relnotes-2.1": "release-notes/rl-2.1.html",
"ssec-relnotes-2.2": "release-notes/rl-2.2.html",
"ssec-relnotes-2.3": "release-notes/rl-2.3.html",
},
"language/types.html": {
"simple-values": "#primitives",
"lists": "#list",
"strings": "#string",
"attribute-sets": "#attribute-set",
"type-number": "#type-int",
},
"language/syntax.html": {
"scoping-rules": "scoping.html",
"string-literal": "string-literals.html",
},
"language/derivations.md": {
"builder-execution": "store/drv/building.md#builder-execution",
},
"installation/installing-binary.html": {
"linux": "uninstall.html#linux",
"macos": "uninstall.html#macos",
"uninstalling": "uninstall.html",
},
"development/building.html": {
"nix-with-flakes": "#building-nix-with-flakes",
"classic-nix": "#building-nix",
"running-tests": "testing.html#running-tests",
"unit-tests": "testing.html#unit-tests",
"functional-tests": "testing.html#functional-tests",
"debugging-failing-functional-tests": "testing.html#debugging-failing-functional-tests",
"integration-tests": "testing.html#integration-tests",
"installer-tests": "testing.html#installer-tests",
"one-time-setup": "testing.html#one-time-setup",
"using-the-ci-generated-installer-for-manual-testing": "testing.html#using-the-ci-generated-installer-for-manual-testing",
"characterization-testing": "testing.html#characterisation-testing-unit",
"add-a-release-note": "contributing.html#add-a-release-note",
"add-an-entry": "contributing.html#add-an-entry",
"build-process": "contributing.html#build-process",
"reverting": "contributing.html#reverting",
"branches": "contributing.html#branches",
},
"glossary.html": {
"gloss-local-store": "store/types/local-store.html",
"package-attribute-set": "#package",
"gloss-chroot-store": "store/types/local-store.html",
"gloss-content-addressed-derivation": "#gloss-content-addressing-derivation",
},
};
// the following code matches the current page's URL against the set of redirects.
//
// it is written to minimize the latency between page load and redirect.
// therefore we avoid function calls, copying data, and unnecessary loops.
// IMPORTANT: we use stateful array operations and their order matters!
//
// matching URLs is more involved than it should be:
//
// 1. `document.location.pathname` can have an arbitrary prefix.
//
// 2. `path_to_root` is set by mdBook. it consists only of `../`s and
// determines the depth of `<path>` relative to the prefix:
//
// `document.location.pathname`
// |------------------------------|
// /<prefix>/<path>/[<file>[.html]][#<anchor>]
// |----|
// `path_to_root` has same number of path segments
//
// source: https://phaiax.github.io/mdBook/format/theme/index-hbs.html#data
//
// 3. the following paths are equivalent:
//
// /foo/bar/
// /foo/bar/index.html
// /foo/bar/index
//
// 4. the following paths are also equivalent:
//
// /foo/bar/baz
// /foo/bar/baz.html
//
let segments = document.location.pathname.split('/');
let file = segments.pop();
// normalize file name
if (file === '') { file = "index.html"; }
else if (!file.endsWith('.html')) { file = file + '.html'; }
segments.push(file);
// use `path_to_root` to discern prefix from path.
const depth = path_to_root.split('/').length;
// remove segments containing prefix. the following works because
// 1. the original `document.location.pathname` is absolute,
// hence first element of `segments` is always empty.
// 2. last element of splitting `path_to_root` is also always empty.
// 3. last element of `segments` is the file name.
//
// visual example:
//
// '/foo/bar/baz.html'.split('/') -> [ '', 'foo', 'bar', 'baz.html' ]
// '../'.split('/') -> [ '..', '' ]
//
// the following operations will then result in
//
// path = 'bar/baz.html'
//
segments.splice(0, segments.length - depth);
const path = segments.join('/');
// anchor starts with the hash character (`#`),
// but our redirect declarations don't, so we strip it.
// example:
// document.location.hash -> '#foo'
// document.location.hash.substring(1) -> 'foo'
const anchor = document.location.hash.substring(1);
const redirect = redirects[path];
if (redirect) {
const target = redirect[anchor];
if (target) {
document.location.href = target;
}
}

View File

@@ -1,94 +0,0 @@
// redirect rules for URL fragments (client-side) to prevent link rot.
// this must be done on the client side, as web servers do not see the fragment part of the URL.
// it will only work with JavaScript enabled in the browser, but this is the best we can do here.
// see source/_redirects for path redirects (server-side)
// redirects are declared as follows:
// each entry has as its key a path matching the requested URL path, relative to the mdBook document root.
//
// IMPORTANT: it must specify the full path with file name and suffix
//
// each entry is itself a set of key-value pairs, where
// - keys are anchors on the matched path.
// - values are redirection targets relative to the current path.
const redirects = @REDIRECTS_JSON@;
// the following code matches the current page's URL against the set of redirects.
//
// it is written to minimize the latency between page load and redirect.
// therefore we avoid function calls, copying data, and unnecessary loops.
// IMPORTANT: we use stateful array operations and their order matters!
//
// matching URLs is more involved than it should be:
//
// 1. `document.location.pathname` can have an arbitrary prefix.
//
// 2. `path_to_root` is set by mdBook. it consists only of `../`s and
// determines the depth of `<path>` relative to the prefix:
//
// `document.location.pathname`
// |------------------------------|
// /<prefix>/<path>/[<file>[.html]][#<anchor>]
// |----|
// `path_to_root` has same number of path segments
//
// source: https://phaiax.github.io/mdBook/format/theme/index-hbs.html#data
//
// 3. the following paths are equivalent:
//
// /foo/bar/
// /foo/bar/index.html
// /foo/bar/index
//
// 4. the following paths are also equivalent:
//
// /foo/bar/baz
// /foo/bar/baz.html
//
let segments = document.location.pathname.split('/');
let file = segments.pop();
// normalize file name
if (file === '') { file = "index.html"; }
else if (!file.endsWith('.html')) { file = file + '.html'; }
segments.push(file);
// use `path_to_root` to discern prefix from path.
const depth = path_to_root.split('/').length;
// remove segments containing prefix. the following works because
// 1. the original `document.location.pathname` is absolute,
// hence first element of `segments` is always empty.
// 2. last element of splitting `path_to_root` is also always empty.
// 3. last element of `segments` is the file name.
//
// visual example:
//
// '/foo/bar/baz.html'.split('/') -> [ '', 'foo', 'bar', 'baz.html' ]
// '../'.split('/') -> [ '..', '' ]
//
// the following operations will then result in
//
// path = 'bar/baz.html'
//
segments.splice(0, segments.length - depth);
const path = segments.join('/');
// anchor starts with the hash character (`#`),
// but our redirect declarations don't, so we strip it.
// example:
// document.location.hash -> '#foo'
// document.location.hash.substring(1) -> 'foo'
const anchor = document.location.hash.substring(1);
const redirect = redirects[path];
if (redirect) {
const target = redirect[anchor];
if (target) {
document.location.href = target;
}
}

View File

@@ -1,372 +0,0 @@
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"chap-introduction": "introduction.html",
"ch-basic-package-mgmt": "package-management/index.html",
"ssec-binary-cache-substituter": "package-management/binary-cache-substituter.html",
"sec-channels": "command-ref/nix-channel.html",
"ssec-copy-closure": "command-ref/nix-copy-closure.html",
"sec-garbage-collection": "package-management/garbage-collection.html",
"ssec-gc-roots": "package-management/garbage-collector-roots.html",
"chap-package-management": "package-management/index.html",
"sec-profiles": "package-management/profiles.html",
"ssec-s3-substituter": "store/types/s3-binary-cache-store.html",
"ssec-s3-substituter-anonymous-reads":
"store/types/s3-binary-cache-store.html#anonymous-reads-to-your-s3-compatible-binary-cache",
"ssec-s3-substituter-authenticated-reads":
"store/types/s3-binary-cache-store.html#authenticated-reads-to-your-s3-binary-cache",
"ssec-s3-substituter-authenticated-writes":
"store/types/s3-binary-cache-store.html#authenticated-writes-to-your-s3-compatible-binary-cache",
"sec-sharing-packages": "package-management/sharing-packages.html",
"ssec-ssh-substituter": "package-management/ssh-substituter.html",
"chap-quick-start": "quick-start.html",
"sec-relnotes": "release-notes/index.html",
"ch-relnotes-0.10.1": "release-notes/rl-0.10.1.html",
"ch-relnotes-0.10": "release-notes/rl-0.10.html",
"ssec-relnotes-0.11": "release-notes/rl-0.11.html",
"ssec-relnotes-0.12": "release-notes/rl-0.12.html",
"ssec-relnotes-0.13": "release-notes/rl-0.13.html",
"ssec-relnotes-0.14": "release-notes/rl-0.14.html",
"ssec-relnotes-0.15": "release-notes/rl-0.15.html",
"ssec-relnotes-0.16": "release-notes/rl-0.16.html",
"ch-relnotes-0.5": "release-notes/rl-0.5.html",
"ch-relnotes-0.6": "release-notes/rl-0.6.html",
"ch-relnotes-0.7": "release-notes/rl-0.7.html",
"ch-relnotes-0.8.1": "release-notes/rl-0.8.1.html",
"ch-relnotes-0.8": "release-notes/rl-0.8.html",
"ch-relnotes-0.9.1": "release-notes/rl-0.9.1.html",
"ch-relnotes-0.9.2": "release-notes/rl-0.9.2.html",
"ch-relnotes-0.9": "release-notes/rl-0.9.html",
"ssec-relnotes-1.0": "release-notes/rl-1.0.html",
"ssec-relnotes-1.1": "release-notes/rl-1.1.html",
"ssec-relnotes-1.10": "release-notes/rl-1.10.html",
"ssec-relnotes-1.11.10": "release-notes/rl-1.11.10.html",
"ssec-relnotes-1.11": "release-notes/rl-1.11.html",
"ssec-relnotes-1.2": "release-notes/rl-1.2.html",
"ssec-relnotes-1.3": "release-notes/rl-1.3.html",
"ssec-relnotes-1.4": "release-notes/rl-1.4.html",
"ssec-relnotes-1.5.1": "release-notes/rl-1.5.html",
"ssec-relnotes-1.5.2": "release-notes/rl-1.5.2.html",
"ssec-relnotes-1.5": "release-notes/rl-1.5.html",
"ssec-relnotes-1.6.1": "release-notes/rl-1.6.1.html",
"ssec-relnotes-1.6.0": "release-notes/rl-1.6.html",
"ssec-relnotes-1.7": "release-notes/rl-1.7.html",
"ssec-relnotes-1.8": "release-notes/rl-1.8.html",
"ssec-relnotes-1.9": "release-notes/rl-1.9.html",
"ssec-relnotes-2.0": "release-notes/rl-2.0.html",
"ssec-relnotes-2.1": "release-notes/rl-2.1.html",
"ssec-relnotes-2.2": "release-notes/rl-2.2.html",
"ssec-relnotes-2.3": "release-notes/rl-2.3.html"
},
"language/types.html": {
"simple-values": "#primitives",
"lists": "#type-list",
"strings": "#type-string",
"attribute-sets": "#type-attrs",
"type-number": "#type-int"
},
"language/syntax.html": {
"scoping-rules": "scope.html",
"string-literal": "string-literals.html"
},
"language/derivations.html": {
"builder-execution": "../store/building.html#builder-execution"
},
"installation/installing-binary.html": {
"linux": "uninstall.html#linux",
"macos": "uninstall.html#macos",
"uninstalling": "uninstall.html"
},
"development/building.html": {
"nix-with-flakes": "#building-nix-with-flakes",
"classic-nix": "#building-nix",
"running-tests": "testing.html#running-tests",
"unit-tests": "testing.html#unit-tests",
"functional-tests": "testing.html#functional-tests",
"debugging-failing-functional-tests": "testing.html#debugging-failing-functional-tests",
"integration-tests": "testing.html#integration-tests",
"installer-tests": "testing.html#installer-tests",
"one-time-setup": "testing.html#one-time-setup",
"using-the-ci-generated-installer-for-manual-testing":
"testing.html#using-the-ci-generated-installer-for-manual-testing",
"characterization-testing": "testing.html#characterisation-testing-unit",
"add-a-release-note": "contributing.html#add-a-release-note",
"add-an-entry": "contributing.html#add-an-entry",
"build-process": "contributing.html#build-process",
"reverting": "contributing.html#reverting",
"branches": "contributing.html#branches"
},
"glossary.html": {
"gloss-local-store": "store/types/local-store.html",
"package-attribute-set": "#package",
"gloss-chroot-store": "store/types/local-store.html",
"gloss-content-addressed-derivation": "#gloss-content-addressing-derivation"
}
}

40
doc/manual/render-manpage.sh Normal file → Executable file
View File

@@ -1,55 +1,25 @@
#!/usr/bin/env bash
#
# Standalone manpage renderer that doesn't require mdbook.
# Uses expand-includes.py to preprocess markdown, then lowdown to generate manpages.
set -euo pipefail
script_dir="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
lowdown_args=
# Optional --out-no-smarty flag for compatibility with nix_nested_manpages
if [ "$1" = --out-no-smarty ]; then
lowdown_args=--out-no-smarty
shift
fi
[ "$#" = 7 ] || {
cat >&2 <<EOF
Usage: $0 [--out-no-smarty] <title> <section> <source-root> <generated-root> <doc-url> <infile> <outfile>
Arguments:
title - Manpage title (e.g., "nix-env --install")
section - Manpage section number (1, 5, 8, etc.)
source-root - Root directory of markdown sources
generated-root - Root directory of generated markdown files
doc-url - Base URL for documentation links
infile - Input markdown file (relative to build directory)
outfile - Output manpage file
Examples:
$0 "nix-store --query" 1 doc/manual/source build/doc/manual/source \\
https://nix.dev/manual/nix/latest \\
build/doc/manual/source/command-ref/nix-store/query.md nix-store-query.1
EOF
[ "$#" = 4 ] || {
echo "wrong number of args passed" >&2
exit 1
}
title="$1"
section="$2"
source_root="$3"
generated_root="$4"
doc_url="$5"
infile="$6"
outfile="$7"
infile="$3"
outfile="$4"
# Expand includes and pipe to lowdown
(
printf "Title: %s\n\n" "$title"
python3 "$script_dir/expand-includes.py" \
--source-root "$source_root" \
--generated-root "$generated_root" \
--doc-url "$doc_url" \
"$infile"
cat "$infile"
) | lowdown -sT man --nroff-nolinks $lowdown_args -M section="$section" -o "$outfile"

View File

@@ -1,29 +0,0 @@
---
synopsis: "Rust nix-installer in beta"
prs: []
---
The Rust-based rewrite of the Nix installer is now in beta.
We'd love help testing it out!
To test out the new installer, run:
```
curl -sSfL https://artifacts.nixos.org/nix-installer | sh -s -- install
```
This installer can be run even when you have an existing, script-based Nix installation without any adjustments.
This new installer also comes with the ability to uninstall your Nix installation; run:
```
/nix/nix-installer uninstall
```
This will get rid of your entire Nix installation (even if you installed over an existing, script-based installation).
This installer is a modified version of the [Determinate Nix Installer](https://github.com/DeterminateSystems/nix-installer) by Determinate Systems.
Thanks to Determinate Systems for all the investment they've put into the installer.
Source for the installer is in https://github.com/NixOS/nix-installer.
Report any issues in that repo.
For CI usage, a GitHub Action to install Nix using this installer is available at https://github.com/NixOS/nix-installer-action.

View File

@@ -1,9 +0,0 @@
---
synopsis: "C API: New store API methods"
prs: [14766]
---
The C API now includes additional methods:
- `nix_store_query_path_from_hash_part()` - Get the full store path given its hash part
- `nix_store_copy_path()` - Copy a single store path between two stores, allows repairs and configuring signature checking

View File

@@ -1,10 +0,0 @@
---
synopsis: "New setting `ignore-gc-delete-failure` for local stores"
prs: [15054]
---
A new local store setting [`ignore-gc-delete-failure`](@docroot@/store/types/local-store.md#store-local-store-ignore-gc-delete-failure) has been added.
When enabled, garbage collection will log warnings instead of failing when it cannot delete store paths.
This is useful when running Nix as an unprivileged user that may not have write access to all paths in the store.
This setting is experimental and requires the [`local-overlay-store`](@docroot@/development/experimental-features.md#xp-feature-local-overlay-store) experimental feature.

View File

@@ -1,15 +0,0 @@
---
synopsis: Support HTTPS binary caches using mTLS (client certificate) authentication
issues: [13002]
prs: [13030]
---
Added support for `tls-certificate` and `tls-private-key` options in substituter URLs.
Example:
```
https://substituter.invalid?tls-certificate=/path/to/cert.pem&tls-private-key=/path/to/key.pem
```
When these options are configured, Nix will use this certificate/private key pair to authenticate to the server.

View File

@@ -0,0 +1,17 @@
---
synopsis: Non-flake inputs now contain a `sourceInfo` attribute
issues: 13164
prs: 13170
---
Flakes have always a `sourceInfo` attribute which describes the source of the flake.
The `sourceInfo.outPath` is often identical to the flake's `outPath`, however it can differ when the flake is located in a subdirectory of its source.
Non-flake inputs (i.e. inputs with `flake = false`) can also be located at some path _within_ a wider source.
This usually happens when defining a relative path input within the same source as the parent flake, e.g. `inputs.foo.url = ./some-file.nix`.
Such relative inputs will now inherit their parent's `sourceInfo`.
This also means it is now possible to use `?dir=subdir` on non-flake inputs.
This iterates on the work done in 2.26 to improve relative path support ([#10089](https://github.com/NixOS/nix/pull/10089)),
and resolves a regression introduced in 2.28 relating to nested relative path inputs ([#13164](https://github.com/NixOS/nix/issues/13164)).

View File

@@ -1,11 +0,0 @@
---
synopsis: New command `nix store roots-daemon` for serving GC roots
prs: [15143]
---
New command [`nix store roots-daemon`](@docroot@/command-ref/new-cli/nix3-store-roots-daemon.md) runs a daemon that serves garbage collector roots over a Unix domain socket.
It enables the garbage collector to discover runtime roots when the main Nix daemon doesn't have `CAP_SYS_PTRACE` capability and therefore cannot scan `/proc`.
The garbage collector can be configured to use this daemon via the [`use-roots-daemon`](@docroot@/store/types/local-store.md#store-experimental-option-use-roots-daemon) store setting.
This feature requires the [`local-overlay-store` experimental feature](@docroot@/development/experimental-features.md#xp-feature-local-overlay-store).

View File

@@ -1,32 +0,0 @@
---
synopsis: S3 binary caches now use virtual-hosted-style addressing by default
issues: [15208]
---
S3 binary caches now use virtual-hosted-style URLs
(`https://bucket.s3.region.amazonaws.com/key`) instead of path-style URLs
(`https://s3.region.amazonaws.com/bucket/key`) when connecting to standard AWS
S3 endpoints. This enables HTTP/2 multiplexing and fixes TCP connection
exhaustion (TIME_WAIT socket accumulation) under high-concurrency workloads.
A new `addressing-style` store option controls this behavior:
- `auto` (default): virtual-hosted-style for standard AWS endpoints, path-style
for custom endpoints.
- `path`: forces path-style addressing (deprecated by AWS).
- `virtual`: forces virtual-hosted-style addressing (bucket names must not
contain dots).
Bucket names containing dots (e.g., `my.bucket.name`) automatically fall back
to path-style addressing in `auto` mode, because dotted names create
multi-level subdomains that break TLS wildcard certificate validation.
Example using path-style for backwards compatibility:
```
s3://my-bucket/key?region=us-east-1&addressing-style=path
```
Additionally, TCP keep-alive is now enabled on all HTTP connections, preventing
idle connections from being silently dropped by intermediate network devices
(NATs, firewalls, load balancers).

View File

@@ -26,13 +26,9 @@
- [Derivation Outputs and Types of Derivations](store/derivation/outputs/index.md)
- [Content-addressing derivation outputs](store/derivation/outputs/content-address.md)
- [Input-addressing derivation outputs](store/derivation/outputs/input-address.md)
- [Build Trace](store/build-trace.md)
- [Derivation Resolution](store/resolution.md)
- [Building](store/building.md)
- [Secrets](store/secrets.md)
- [Store Types](store/types/index.md)
{{#include ./store/types/SUMMARY.md}}
- [Appendix: Math notation](store/math-notation.md)
- [Nix Language](language/index.md)
- [Data Types](language/types.md)
- [String context](language/string-context.md)
@@ -61,7 +57,6 @@
- [Tuning Cores and Jobs](advanced-topics/cores-vs-jobs.md)
- [Verifying Build Reproducibility](advanced-topics/diff-hook.md)
- [Using the `post-build-hook`](advanced-topics/post-build-hook.md)
- [Evaluation profiler](advanced-topics/eval-profiler.md)
- [Command Reference](command-ref/index.md)
- [Common Options](command-ref/opt-common.md)
- [Common Environment Variables](command-ref/env-common.md)
@@ -121,29 +116,17 @@
- [Architecture and Design](architecture/architecture.md)
- [Formats and Protocols](protocols/index.md)
- [JSON Formats](protocols/json/index.md)
- [File System Object](protocols/json/file-system-object.md)
- [Hash](protocols/json/hash.md)
- [Content Address](protocols/json/content-address.md)
- [Store Path](protocols/json/store-path.md)
- [Store Object Info](protocols/json/store-object-info.md)
- [Derivation](protocols/json/derivation/index.md)
- [Derivation Options](protocols/json/derivation/options.md)
- [Deriving Path](protocols/json/deriving-path.md)
- [Build Trace Entry](protocols/json/build-trace-entry.md)
- [Build Result](protocols/json/build-result.md)
- [Store](protocols/json/store.md)
- [Derivation](protocols/json/derivation.md)
- [Serving Tarball Flakes](protocols/tarball-fetcher.md)
- [Store Path Specification](protocols/store-path.md)
- [Nix Archive (NAR) Format](protocols/nix-archive/index.md)
- [Nix Cache Info Format](protocols/nix-cache-info.md)
- [Nix Archive (NAR) Format](protocols/nix-archive.md)
- [Derivation "ATerm" file format](protocols/derivation-aterm.md)
- [Nix32 Encoding](protocols/nix32.md)
- [C API](c-api.md)
- [Glossary](glossary.md)
- [Development](development/index.md)
- [Building](development/building.md)
- [Testing](development/testing.md)
- [Benchmarking](development/benchmarking.md)
- [Debugging](development/debugging.md)
- [Documentation](development/documentation.md)
- [CLI guideline](development/cli-guideline.md)
@@ -153,10 +136,6 @@
- [Contributing](development/contributing.md)
- [Releases](release-notes/index.md)
{{#include ./SUMMARY-rl-next.md}}
- [Release 2.33 (2025-12-09)](release-notes/rl-2.33.md)
- [Release 2.32 (2025-10-06)](release-notes/rl-2.32.md)
- [Release 2.31 (2025-08-21)](release-notes/rl-2.31.md)
- [Release 2.30 (2025-07-07)](release-notes/rl-2.30.md)
- [Release 2.29 (2025-05-14)](release-notes/rl-2.29.md)
- [Release 2.28 (2025-04-02)](release-notes/rl-2.28.md)
- [Release 2.27 (2025-03-03)](release-notes/rl-2.27.md)

View File

@@ -1,33 +0,0 @@
# Using the `eval-profiler`
Nix evaluator supports [evaluation](@docroot@/language/evaluation.md)
[profiling](<https://en.wikipedia.org/wiki/Profiling_(computer_programming)>)
compatible with `flamegraph.pl`. The profiler samples the nix
function call stack at regular intervals. It can be enabled with the
[`eval-profiler`](@docroot@/command-ref/conf-file.md#conf-eval-profiler)
setting:
```console
$ nix-instantiate "<nixpkgs>" -A hello --eval-profiler flamegraph
```
Stack sampling frequency and the output file path can be configured with
[`eval-profile-file`](@docroot@/command-ref/conf-file.md#conf-eval-profile-file)
and [`eval-profiler-frequency`](@docroot@/command-ref/conf-file.md#conf-eval-profiler-frequency).
By default the collected profile is saved to `nix.profile` file in the current working directory.
The collected profile can be directly consumed by `flamegraph.pl`:
```console
$ flamegraph.pl nix.profile > flamegraph.svg
```
The line information in the profile contains the location of the [call
site](https://en.wikipedia.org/wiki/Call_site) position and the name of the
function being called (when available). For example:
```
/nix/store/2q71fdvr4h33g9832hiriwnf20fn630l-source/pkgs/top-level/default.nix:167:5:primop import
```
Here `import` primop is called at `/nix/store/2q71fdvr4h33g9832hiriwnf20fn630l-source/pkgs/top-level/default.nix:167:5`.

View File

@@ -57,6 +57,11 @@ Most Nix commands interpret the following environment variables:
Overrides the location of the Nix store (default `prefix/store`).
- <span id="env-NIX_DATA_DIR">[`NIX_DATA_DIR`](#env-NIX_DATA_DIR)</span>
Overrides the location of the Nix static data directory (default
`prefix/share`).
- <span id="env-NIX_LOG_DIR">[`NIX_LOG_DIR`](#env-NIX_LOG_DIR)</span>
Overrides the location of the Nix log directory (default
@@ -70,7 +75,7 @@ Most Nix commands interpret the following environment variables:
- <span id="env-NIX_CONF_DIR">[`NIX_CONF_DIR`](#env-NIX_CONF_DIR)</span>
Overrides the location of the system Nix configuration directory
(default `sysconfdir/nix`, i.e. `/etc/nix` on most systems).
(default `prefix/etc/nix`).
- <span id="env-NIX_CONFIG">[`NIX_CONFIG`](#env-NIX_CONFIG)</span>

View File

@@ -39,11 +39,11 @@ This makes all subscribed channels available as attributes in the default expres
A symlink that ensures that [`nix-env`] can find the current user's [channels]:
- `~/.nix-defexpr/channels`
- `$XDG_STATE_HOME/nix/defexpr/channels` if [`use-xdg-base-directories`] is set to `true`.
- `$XDG_STATE_HOME/defexpr/channels` if [`use-xdg-base-directories`] is set to `true`.
This symlink points to:
- `$XDG_STATE_HOME/nix/profiles/channels` for regular users
- `$XDG_STATE_HOME/profiles/channels` for regular users
- `$NIX_STATE_DIR/profiles/per-user/root/channels` for `root`
In a multi-user installation, you may also have `~/.nix-defexpr/channels_root`, which links to the channels of the root user.

View File

@@ -114,9 +114,9 @@ Here is an example of how this file might look like after installing `hello` fro
};
name = "hello-2.12.1";
out = {
outPath = "/nix/store/src1vzij2z0slnakrsbpqpk20389z0k6-hello-2.12.1";
outPath = "/nix/store/260q5867crm1xjs4khgqpl6vr9kywql1-hello-2.12.1";
};
outPath = "/nix/store/src1vzij2z0slnakrsbpqpk20389z0k6-hello-2.12.1";
outPath = "/nix/store/260q5867crm1xjs4khgqpl6vr9kywql1-hello-2.12.1";
outputs = [ "out" ];
system = "x86_64-linux";
type = "derivation";

View File

@@ -37,13 +37,13 @@ dr-xr-xr-x 4 root root 4096 Jan 1 1970 share
/home/eelco/.local/state/nix/profiles/profile-7-link/bin:
total 20
lrwxrwxrwx 5 root root 79 Jan 1 1970 chromium -> /nix/store/cyxny9d1zjb9l9103fr6j6kavp3bqjxf-chromium-86.0.4240.111/bin/chromium
lrwxrwxrwx 5 root root 79 Jan 1 1970 chromium -> /nix/store/ijm5k0zqisvkdwjkc77mb9qzb35xfi4m-chromium-86.0.4240.111/bin/chromium
lrwxrwxrwx 7 root root 87 Jan 1 1970 spotify -> /nix/store/w9182874m1bl56smps3m5zjj36jhp3rn-spotify-1.1.26.501.gbe11e53b-15/bin/spotify
lrwxrwxrwx 3 root root 79 Jan 1 1970 zoom-us -> /nix/store/wbhg2ga8f3h87s9h5k0slxk0m81m4cxl-zoom-us-5.3.469451.0927/bin/zoom-us
/home/eelco/.local/state/nix/profiles/profile-7-link/share/applications:
total 12
lrwxrwxrwx 4 root root 120 Jan 1 1970 chromium-browser.desktop -> /nix/store/sqzyx2l85i6j2a77pnyvglh3bvzwmjjp-chromium-unwrapped-86.0.4240.111/share/applications/chromium-browser.desktop
lrwxrwxrwx 4 root root 120 Jan 1 1970 chromium-browser.desktop -> /nix/store/4cf803y4vzfm3gyk3vzhzb2327v0kl8a-chromium-unwrapped-86.0.4240.111/share/applications/chromium-browser.desktop
lrwxrwxrwx 7 root root 110 Jan 1 1970 spotify.desktop -> /nix/store/w9182874m1bl56smps3m5zjj36jhp3rn-spotify-1.1.26.501.gbe11e53b-15/share/applications/spotify.desktop
lrwxrwxrwx 3 root root 107 Jan 1 1970 us.zoom.Zoom.desktop -> /nix/store/wbhg2ga8f3h87s9h5k0slxk0m81m4cxl-zoom-us-5.3.469451.0927/share/applications/us.zoom.Zoom.desktop

View File

@@ -1,13 +1,13 @@
xp_features_json = custom_target(
command : [ nix, '__dump-xp-features' ],
command : [nix, '__dump-xp-features'],
capture : true,
output : 'xp-features.json',
env : nix_env_for_docs,
)
experimental_features_shortlist_md = custom_target(
command : nix_eval_for_docs + [
'--expr', 'import @INPUT0@ (builtins.fromJSON (builtins.readFile ./@INPUT1@))',
'--expr',
'import @INPUT0@ (builtins.fromJSON (builtins.readFile ./@INPUT1@))',
],
input : [
'../../generate-xp-features-shortlist.nix',
@@ -19,8 +19,14 @@ experimental_features_shortlist_md = custom_target(
)
nix3_cli_files = custom_target(
command : [ python.full_path(), '@INPUT0@', '@OUTPUT@', '--' ] + nix_eval_for_docs + [
'--expr', 'import @INPUT1@ true (builtins.readFile ./@INPUT2@)',
command : [
python.full_path(),
'@INPUT0@',
'@OUTPUT@',
'--'
] + nix_eval_for_docs + [
'--expr',
'import @INPUT1@ true (builtins.readFile ./@INPUT2@)',
],
input : [
'../../remove_before_wrapper.py',
@@ -34,7 +40,8 @@ nix3_cli_files = custom_target(
conf_file_md_body = custom_target(
command : [
nix_eval_for_docs,
'--expr', 'import @INPUT0@ { prefix = "conf"; } (builtins.fromJSON (builtins.readFile ./@INPUT1@))',
'--expr',
'import @INPUT0@ { prefix = "conf"; } (builtins.fromJSON (builtins.readFile ./@INPUT1@))',
],
capture : true,
input : [

View File

@@ -36,7 +36,7 @@ to a temporary location. The tarball must include a single top-level
directory containing at least a file named `default.nix`.
`nix-build` is essentially a wrapper around
[`nix-instantiate`](./nix-instantiate.md) (to translate a high-level Nix
[`nix-instantiate`](nix-instantiate.md) (to translate a high-level Nix
expression to a low-level [store derivation]) and [`nix-store
--realise`](@docroot@/command-ref/nix-store/realise.md) (to build the store
derivation).
@@ -52,8 +52,8 @@ derivation).
# Options
All options not listed here are passed to
[`nix-store --realise`](./nix-store/realise.md),
except for `--arg` and `--attr` / `-A` which are passed to [`nix-instantiate`](./nix-instantiate.md).
[`nix-store --realise`](nix-store/realise.md),
except for `--arg` and `--attr` / `-A` which are passed to [`nix-instantiate`](nix-instantiate.md).
- <span id="opt-no-out-link">[`--no-out-link`](#opt-no-out-link)<span>

View File

@@ -11,10 +11,10 @@
Channels are a mechanism for referencing remote Nix expressions and conveniently retrieving their latest version.
The moving parts of channels are:
- The official channels listed at <https://channels.nixos.org>
- The official channels listed at <https://nixos.org/channels>
- The user-specific list of [subscribed channels](#subscribed-channels)
- The [downloaded channel contents](#channels)
- The [Nix expression search path](@docroot@/command-ref/conf-file.md#conf-nix-path), set with the [`-I` option](#opt-I) or the [`NIX_PATH` environment variable](#env-NIX_PATH)
- The [Nix expression search path](@docroot@/command-ref/conf-file.md#conf-nix-path), set with the [`-I` option](#opt-i) or the [`NIX_PATH` environment variable](#env-NIX_PATH)
> **Note**
>
@@ -88,9 +88,9 @@ This command has the following operations:
Subscribe to the Nixpkgs channel and run `hello` from the GNU Hello package:
```console
$ nix-channel --add https://channels.nixos.org/nixpkgs-unstable
$ nix-channel --add https://nixos.org/channels/nixpkgs-unstable
$ nix-channel --list
nixpkgs https://channels.nixos.org/nixpkgs
nixpkgs https://nixos.org/channels/nixpkgs
$ nix-channel --update
$ nix-shell -p hello --run hello
hello

View File

@@ -72,11 +72,11 @@ When using public key authentication, you can avoid typing the passphrase with `
> $ storePath="$(nix-build '<nixpkgs>' -I nixpkgs=channel:nixpkgs-unstable -A hello --no-out-link)"
> $ nix-copy-closure --to alice@itchy.example.org "$storePath"
> copying 5 paths...
> copying path '/nix/store/h6q8sqsqfbd3252f9gixqn3z282wds7m-xgcc-13.2.0-libgcc' to 'ssh://alice@itchy.example.org'...
> copying path '/nix/store/imnwvn96lw355giswsk36hx105j4wnpj-libunistring-1.1' to 'ssh://alice@itchy.example.org'...
> copying path '/nix/store/85301indj7scg34spnfczkz72jgv8wa9-libidn2-2.3.7' to 'ssh://alice@itchy.example.org'...
> copying path '/nix/store/ypwfsaljwhzw9iffiysxmxnhjj8v7np0-glibc-2.39-31' to 'ssh://alice@itchy.example.org'...
> copying path '/nix/store/0dklv59zppdsqdvgf0qdvjgzcs5wbwxa-hello-2.12.1' to 'ssh://alice@itchy.example.org'...
> copying path '/nix/store/nrwkk6ak3rgkrxbqhsscb01jpzmslf2r-xgcc-13.2.0-libgcc' to 'ssh://alice@itchy.example.org'...
> copying path '/nix/store/gm61h1y42pqyl6178g90x8zm22n6pyy5-libunistring-1.1' to 'ssh://alice@itchy.example.org'...
> copying path '/nix/store/ddfzjdykw67s20c35i7a6624by3iz5jv-libidn2-2.3.7' to 'ssh://alice@itchy.example.org'...
> copying path '/nix/store/apab5i73dqa09wx0q27b6fbhd1r18ihl-glibc-2.39-31' to 'ssh://alice@itchy.example.org'...
> copying path '/nix/store/g1n2vryg06amvcc1avb2mcq36faly0mh-hello-2.12.1' to 'ssh://alice@itchy.example.org'...
> ```
> **Example**

View File

@@ -204,7 +204,7 @@ To install a specific [store derivation] (typically created by
`nix-instantiate`):
```console
$ nix-env --install /nix/store/8la6y31fmm6i4wfmby6avly1wf718xnj-gcc-3.4.3.drv
$ nix-env --install /nix/store/fibjb1bfbpm5mrsxc4mh2d8n37sxh91i-gcc-3.4.3.drv
```
To install a specific output path:
@@ -232,7 +232,7 @@ $ nix-env --file '<nixpkgs>' --install --attr hello --dry-run
(dry run; not doing anything)
installing hello-2.10
this path will be fetched (0.04 MiB download, 0.19 MiB unpacked):
/nix/store/ikwkxz4wwlp2g1428n7dy729cg1d9hin-hello-2.10
/nix/store/wkhdf9jinag5750mqlax6z2zbwhqb76n-hello-2.10
...
```

View File

@@ -22,7 +22,7 @@ left untouched; this is not an error. It is also not an error if an
element of *args* matches no installed derivations.
For a description of how *args* is mapped to a set of store paths, see
[`--install`](./install.md). If *args* describes multiple
[`--install`](#operation---install). If *args* describes multiple
store paths with the same symbolic name, only the one with the highest
version is installed.

View File

@@ -34,7 +34,7 @@ md5sum`.
Print the cryptographic hash of the contents of each regular file *path*.
That is, instead of computing
the hash of the [Nix Archive (NAR)](@docroot@/store/file-system-object/content-address.md#serial-nix-archive) of *path*,
just [directly hash](@docroot@/store/file-system-object/content-address.md#serial-flat) *path* as is.
just [directly hash]((@docroot@/store/file-system-object/content-address.md#serial-flat) *path* as is.
This requires *path* to resolve to a regular file rather than directory.
The result is identical to that produced by the GNU commands
`md5sum` and `sha1sum`.

View File

@@ -32,7 +32,7 @@ standard input.
- `--add-root` *path*
See the [corresponding option](./nix-store.md) in `nix-store`.
See the [corresponding option](nix-store.md) in `nix-store`.
- `--parse`

View File

@@ -76,7 +76,7 @@ $ nix-prefetch-url ftp://ftp.gnu.org/pub/gnu/hello/hello-2.10.tar.gz
```console
$ nix-prefetch-url --print-path mirror://gnu/hello/hello-2.10.tar.gz
0ssi1wpaf7plaswqqjwigppsg5fyh99vdlb9kzl7c9lng89ndq1i
/nix/store/8alrpdaasjd1x6g1fczchmzbpqm936a3-hello-2.10.tar.gz
/nix/store/3x7dwzq014bblazs7kq20p9hyzz0qh8g-hello-2.10.tar.gz
```
```console

View File

@@ -19,7 +19,7 @@
This man page describes the command `nix-shell`, which is distinct from `nix
shell`. For documentation on the latter, run `nix shell --help` or see `man
nix3-env-shell`.
nix3-shell`.
# Description

View File

@@ -34,6 +34,6 @@ This operation has the following options:
```console
$ nix-store --add-fixed sha256 ./hello-2.10.tar.gz
/nix/store/8alrpdaasjd1x6g1fczchmzbpqm936a3-hello-2.10.tar.gz
/nix/store/3x7dwzq014bblazs7kq20p9hyzz0qh8g-hello-2.10.tar.gz
```

View File

@@ -27,7 +27,7 @@ paths in the store that refer to it (i.e., depend on it).
# Example
```console
$ nix-store --delete /nix/store/gjak3al7lj61x4gj6rln4f5pc5v0f67n-mesa-6.4
$ nix-store --delete /nix/store/zq0h41l75vlb4z45kzgjjmsjxvcv1qk7-mesa-6.4
0 bytes freed (0.00 MiB)
error: cannot delete path `/nix/store/gjak3al7lj61x4gj6rln4f5pc5v0f67n-mesa-6.4' since it is still alive
error: cannot delete path `/nix/store/zq0h41l75vlb4z45kzgjjmsjxvcv1qk7-mesa-6.4' since it is still alive
```

View File

@@ -48,7 +48,8 @@ The behaviour of the collector is also influenced by the
configuration file.
By default, the collector prints the total number of freed bytes when it
finishes (or when it is interrupted).
finishes (or when it is interrupted). With `--print-dead`, it prints the
number of bytes that would be freed.
{{#include ./opt-common.md}}

View File

@@ -184,9 +184,9 @@ Print the build-time dependencies of `svn`:
```console
$ nix-store --query --requisites $(nix-store --query --deriver $(which svn))
/nix/store/y6qa66l9h0pw161crnlk6y16rdrcljx4-grep-2.5.1.tar.bz2.drv
/nix/store/z716h753s97jhnzvfank2srqbljswpgm-gcc-wrapper.sh
/nix/store/f39x0q73rjdyvzm93y9wrkfr6x39lb7f-glibc-2.3.4.drv
/nix/store/02iizgn86m42q905rddvg4ja975bk2i4-grep-2.5.1.tar.bz2.drv
/nix/store/07a2bzxmzwz5hp58nf03pahrv2ygwgs3-gcc-wrapper.sh
/nix/store/0ma7c9wsbaxahwwl04gbw3fcd806ski4-glibc-2.3.4.drv
... lots of other paths ...
```
@@ -199,10 +199,10 @@ Show the build-time dependencies as a tree:
```console
$ nix-store --query --tree $(nix-store --query --deriver $(which svn))
/nix/store/7i5082kfb6yjbqdbiwdhhza0am2xvh6c-subversion-1.1.4.drv
+---/nix/store/vxnmkc8l8d2ijjha4xwhkfgx9vvc3q4c-builder.sh
+---/nix/store/rn9776dy82n5qrgz7xbcl1iw4vfkcrkk-bash-3.0.drv
| +---/nix/store/x9j20hz6bln1crzn55qifk0bbsm8v5ac-bash
| +---/nix/store/ajnn1mcm45wjvn0rlc22gvx2cwhjnazx-builder.sh
+---/nix/store/d8afh10z72n8l1cr5w42366abiblgn54-builder.sh
+---/nix/store/fmzxmpjx2lh849ph0l36snfj9zdibw67-bash-3.0.drv
| +---/nix/store/570hmhmx3v57605cqg9yfvvyh0nnb8k8-bash
| +---/nix/store/p3srsbd8dx44v2pg6nbnszab5mcwx03v-builder.sh
...
```

View File

@@ -76,7 +76,7 @@ This operation is typically used to build [store derivation]s produced by
```console
$ nix-store --realise $(nix-instantiate ./test.nix)
/nix/store/6gwmy5jcnwdlz6aqqhksz863f1l8xc2w-aterm-2.3.1
/nix/store/31axcgrlbfsxzmfff1gyj1bf62hvkby2-aterm-2.3.1
```
This is essentially what [`nix-build`](@docroot@/command-ref/nix-build.md) does.

View File

@@ -1,187 +0,0 @@
# Running Benchmarks
This guide explains how to build and run performance benchmarks in the Nix codebase.
## Overview
Nix uses the [Google Benchmark](https://github.com/google/benchmark) framework for performance testing. Benchmarks help measure and track the performance of critical operations like derivation parsing.
## Building Benchmarks
Benchmarks are disabled by default and must be explicitly enabled during the build configuration. For accurate results, use a debug-optimized release build.
### Development Environment Setup
First, enter the development shell which includes the necessary dependencies:
```bash
nix develop .#native-ccacheStdenv
```
### Configure Build with Benchmarks
From the project root, configure the build with benchmarks enabled and optimization:
```bash
cd build
meson configure -Dbenchmarks=true -Dbuildtype=debugoptimized
```
The `debugoptimized` build type provides:
- Compiler optimizations for realistic performance measurements
- Debug symbols for profiling and analysis
- Balance between performance and debuggability
### Build the Benchmarks
Build the project including benchmarks:
```bash
ninja
```
This will create benchmark executables in the build directory. Currently available:
- `build/src/libstore-tests/nix-store-benchmarks` - Store-related performance benchmarks
Additional benchmark executables will be created as more benchmarks are added to the codebase.
## Running Benchmarks
### Basic Usage
Run benchmark executables directly. For example, to run store benchmarks:
```bash
./build/src/libstore-tests/nix-store-benchmarks
```
As more benchmark executables are added, run them similarly from their respective build directories.
### Filtering Benchmarks
Run specific benchmarks using regex patterns:
```bash
# Run only derivation parser benchmarks
./build/src/libstore-tests/nix-store-benchmarks --benchmark_filter="derivation.*"
# Run only benchmarks for hello.drv
./build/src/libstore-tests/nix-store-benchmarks --benchmark_filter=".*hello.*"
```
### Output Formats
Generate benchmark results in different formats:
```bash
# JSON output
./build/src/libstore-tests/nix-store-benchmarks --benchmark_format=json > results.json
# CSV output
./build/src/libstore-tests/nix-store-benchmarks --benchmark_format=csv > results.csv
```
### Advanced Options
```bash
# Run benchmarks multiple times for better statistics
./build/src/libstore-tests/nix-store-benchmarks --benchmark_repetitions=10
# Set minimum benchmark time (useful for micro-benchmarks)
./build/src/libstore-tests/nix-store-benchmarks --benchmark_min_time=2
# Compare against baseline
./build/src/libstore-tests/nix-store-benchmarks --benchmark_baseline=baseline.json
# Display time in custom units
./build/src/libstore-tests/nix-store-benchmarks --benchmark_time_unit=ms
```
## Writing New Benchmarks
To add new benchmarks:
1. Create a new `.cc` file in the appropriate `*-tests` directory
2. Include the benchmark header:
```cpp
#include <benchmark/benchmark.h>
```
3. Write benchmark functions:
```cpp
static void BM_YourBenchmark(benchmark::State & state)
{
// Setup code here
for (auto _ : state) {
// Code to benchmark
}
}
BENCHMARK(BM_YourBenchmark);
```
4. Add the file to the corresponding `meson.build`:
```meson
benchmarks_sources = files(
'your-benchmark.cc',
# existing benchmarks...
)
```
## Profiling with Benchmarks
For deeper performance analysis, combine benchmarks with profiling tools:
```bash
# Using Linux perf
perf record ./build/src/libstore-tests/nix-store-benchmarks
perf report
```
### Using Valgrind Callgrind
Valgrind's callgrind tool provides detailed profiling information that can be visualized with kcachegrind:
```bash
# Profile with callgrind
valgrind --tool=callgrind ./build/src/libstore-tests/nix-store-benchmarks
# Visualize the results with kcachegrind
kcachegrind callgrind.out.*
```
This provides:
- Function call graphs
- Instruction-level profiling
- Source code annotation
- Interactive visualization of performance bottlenecks
## Continuous Performance Testing
```bash
# Save baseline results
./build/src/libstore-tests/nix-store-benchmarks --benchmark_format=json > baseline.json
# Compare against baseline in CI
./build/src/libstore-tests/nix-store-benchmarks --benchmark_baseline=baseline.json
```
## Troubleshooting
### Benchmarks not building
Ensure benchmarks are enabled:
```bash
meson configure build | grep benchmarks
# Should show: benchmarks true
```
### Inconsistent results
- Ensure your system is not under heavy load
- Disable CPU frequency scaling for consistent results
- Run benchmarks multiple times with `--benchmark_repetitions`
## See Also
- [Google Benchmark documentation](https://github.com/google/benchmark/blob/main/docs/user_guide.md)

View File

@@ -3,10 +3,6 @@
This section provides some notes on how to start hacking on Nix.
To get the latest version of Nix from GitHub:
> **Note**
>
> When checking out the repo on Windows, make sure you have the git setting `core.symlinks` enabled, before cloning, as there are symlinks in the repo.
```console
$ git clone https://github.com/NixOS/nix.git
$ cd nix
@@ -27,7 +23,7 @@ $ nix-shell
To get a shell with one of the other [supported compilation environments](#compilation-environments):
```console
$ nix-shell --attr devShells.x86_64-linux.native-clangStdenv
$ nix-shell --attr devShells.x86_64-linux.native-clangStdenvPackages
```
> **Note**
@@ -38,7 +34,7 @@ $ nix-shell --attr devShells.x86_64-linux.native-clangStdenv
To build Nix itself in this shell:
```console
[nix-shell]$ out="$(pwd)/outputs/out" dev=$out debug=$out mesonFlags+=" --prefix=${out}"
[nix-shell]$ mesonFlags+=" --prefix=$(pwd)/outputs/out"
[nix-shell]$ dontAddPrefix=1 configurePhase
[nix-shell]$ buildPhase
```
@@ -70,7 +66,7 @@ You can also build Nix for one of the [supported platforms](#platforms).
This section assumes you are using Nix with the [`flakes`] and [`nix-command`] experimental features enabled.
[`flakes`]: @docroot@/development/experimental-features.md#xp-feature-flakes
[`nix-command`]: @docroot@/development/experimental-features.md#xp-feature-nix-command
[`nix-command`]: @docroot@/development/experimental-features.md#xp-nix-command
To build all dependencies and start a shell in which all environment variables are set up so that those dependencies can be found:
@@ -260,7 +256,7 @@ You can use any of the other supported environments in place of `nix-cli-ccacheS
## Editor integration
The `clangd` LSP server is installed by default on the `clang`-based `devShell`s.
See [supported compilation environments](#compilation-environments) and instructions how to set up a shell [with flakes](#building-nix-with-flakes) or in [classic Nix](#building-nix).
See [supported compilation environments](#compilation-environments) and instructions how to set up a shell [with flakes](#nix-with-flakes) or in [classic Nix](#classic-nix).
To use the LSP with your editor, you will want a `compile_commands.json` file telling `clangd` how we are compiling the code.
Meson's configure always produces this inside the build directory.

View File

@@ -6,9 +6,16 @@ Additionally, see [Testing Nix](./testing.md) for further instructions on how to
## Building Nix with Debug Symbols
In the development shell, `mesonBuildType` is set automatically to `debugoptimized`. This builds Nix with debug symbols, which are essential for effective debugging.
In the development shell, set the `mesonBuildType` environment variable to `debug` before configuring the build:
It is also possible to build without optimization for faster build:
```console
[nix-shell]$ export mesonBuildType=debugoptimized
```
Then, proceed to build Nix as described in [Building Nix](./building.md).
This will build Nix with debug symbols, which are essential for effective debugging.
It is also possible to build without debugging for faster build:
```console
[nix-shell]$ NIX_HARDENING_ENABLE=$(printLines $NIX_HARDENING_ENABLE | grep -v fortify)
@@ -17,19 +24,6 @@ It is also possible to build without optimization for faster build:
(The first line is needed because `fortify` hardening requires at least some optimization.)
## Building Nix with sanitizers
Nix can be built with [Address](https://clang.llvm.org/docs/AddressSanitizer.html) and
[UB](https://clang.llvm.org/docs/UndefinedBehaviorSanitizer.html) sanitizers using LLVM
or GCC. This is useful when debugging memory corruption issues.
```console
[nix-shell]$ export mesonBuildType=debugoptimized
[nix-shell]$ appendToVar mesonFlags "-Dlibexpr:gc=disabled" # Disable Boehm
[nix-shell]$ appendToVar mesonFlags "-Dbindings=false" # Disable nix-perl
[nix-shell]$ appendToVar mesonFlags "-Db_sanitize=address,undefined"
```
## Debugging the Nix Binary
Obtain your preferred debugger within the development shell:

View File

@@ -25,31 +25,20 @@ nix build .#nix-manual
and open `./result/share/doc/nix/manual/index.html`.
To build the manual incrementally, [enter the development shell](./building.md) and configure with `doc-gen` enabled:
**If using interactive `nix develop`:**
To build the manual incrementally, [enter the development shell](./building.md) and run:
```console
$ nix develop
$ mesonFlags="$mesonFlags -Ddoc-gen=true" mesonConfigurePhase
make manual-html-open -j $NIX_BUILD_CORES
```
**If using direnv:**
In order to reflect changes to the [Makefile for the manual], clear all generated files before re-building:
[Makefile for the manual]: https://github.com/NixOS/nix/blob/master/doc/manual/local.mk
```console
$ direnv allow
$ bash -c 'source $stdenv/setup && mesonFlags="$mesonFlags -Ddoc-gen=true" mesonConfigurePhase'
rm $(git ls-files doc/manual/ -o | grep -F '.md') && rmdir doc/manual/source/command-ref/new-cli && make manual-html -j $NIX_BUILD_CORES
```
Then build the manual:
```console
$ cd build
$ meson compile manual
```
The HTML manual will be generated at `build/src/nix-manual/manual/index.html`.
## Style guide
The goal of this style guide is to make it such that
@@ -240,9 +229,3 @@ $ configurePhase
$ ninja src/external-api-docs/html
$ xdg-open src/external-api-docs/html/index.html
```
If you use direnv, or otherwise want to run `configurePhase` in a transient shell, use:
```bash
nix-shell -A devShells.x86_64-linux.native-clangStdenv --command 'appendToVar mesonFlags "-Ddoc-gen=true"; mesonConfigurePhase'
```

View File

@@ -1,12 +1,12 @@
experimental_feature_descriptions_md = custom_target(
command : nix_eval_for_docs + [
'--expr', 'import @INPUT0@ (builtins.fromJSON (builtins.readFile @INPUT1@))',
'--expr',
'import @INPUT0@ (builtins.fromJSON (builtins.readFile @INPUT1@))',
],
input : [
'../../generate-xp-features.nix',
xp_features_json,
],
capture : true,
env : nix_env_for_docs,
output : 'experimental-feature-descriptions.md',
)

View File

@@ -119,7 +119,7 @@ This will:
3. Stop the program when the test fails, allowing the user to then issue arbitrary commands to GDB.
### Characterisation testing { #characterisation-testing-unit }
### Characterisation testing { #characaterisation-testing-unit }
See [functional characterisation testing](#characterisation-testing-functional) for a broader discussion of characterisation testing.
@@ -137,12 +137,6 @@ $ _NIX_TEST_ACCEPT=1 meson test nix-store-tests -v
will regenerate the "golden master" expected result for the `libnixstore` characterisation tests.
The characterisation tests will mark themselves "skipped" since they regenerated the expected result instead of actually testing anything.
### JSON Schema testing
In `doc/manual/source/protocols/json/` we have a number of manual pages generated from [JSON Schema](https://json-schema.org/).
That JSON schema is tested against the JSON file test data used in [characterisation tests](#characterisation-testing-unit ) for JSON (de)serialization, in `src/json-schema-checks`.
Between the JSON (de)serialization testing, and this testing of the same data against the schema, we make sure that the manual, the implementation, and a machine-readable schema are are all in sync.
### Unit test support libraries
There are headers and code which are not just used to test the library in question, but also downstream libraries.

View File

@@ -31,22 +31,9 @@
The industry term for storage and retrieval systems using [content addressing](#gloss-content-address). A Nix store also has [input addressing](#gloss-input-addressed-store-object), and metadata.
- [derivation]{#gloss-derivation}
A derivation can be thought of as a [pure function](https://en.wikipedia.org/wiki/Pure_function) that produces new [store objects][store object] from existing store objects.
Derivations are implemented as [operating system processes that run in a sandbox](@docroot@/store/building.md#builder-execution).
This sandbox by default only allows reading from store objects specified as inputs, and only allows writing to designated [outputs][output] to be [captured as store objects](@docroot@/store/building.md#processing-outputs).
A derivation is typically specified as a [derivation expression] in the [Nix language], and [instantiated][instantiate] to a [store derivation].
There are multiple ways of obtaining store objects from store derivatons, collectively called [realisation][realise].
[derivation]: #gloss-derivation
- [store derivation]{#gloss-store-derivation}
A [derivation] represented as a [store object].
A single build task.
See [Store Derivation](@docroot@/store/derivation/index.md#store-derivation) for details.
[store derivation]: #gloss-store-derivation
@@ -70,7 +57,10 @@
- [derivation expression]{#gloss-derivation-expression}
A description of a [store derivation] using the [`derivation` primitive](./language/derivations.md) in the [Nix language].
A description of a [store derivation] in the Nix language.
The output(s) of a derivation are store objects.
Derivations are typically specified in Nix expressions using the [`derivation` primitive](./language/derivations.md).
These are translated into store layer *derivations* (implicitly by `nix-env` and `nix-build`, or explicitly by `nix-instantiate`).
[derivation expression]: #gloss-derivation-expression
@@ -136,7 +126,7 @@
> **Example**
>
> `/nix/store/jf6gn2dzna4nmsfbdxsd7kwhsk6gnnlr-git-2.38.1`
> `/nix/store/a040m110amc4h71lds2jmr8qrkj2jhxd-git-2.38.1`
See [Store Path](@docroot@/store/store-path.md) for details.
@@ -208,7 +198,7 @@
- [impure derivation]{#gloss-impure-derivation}
[An experimental feature](@docroot@/development/experimental-features.md#xp-feature-impure-derivations) that allows derivations to be explicitly marked as impure,
[An experimental feature](#@docroot@/development/experimental-features.md#xp-feature-impure-derivations) that allows derivations to be explicitly marked as impure,
so that they are always rebuilt, and their outputs not reused by subsequent calls to realise them.
- [Nix database]{#gloss-nix-database}
@@ -279,7 +269,7 @@
See [References](@docroot@/store/store-object.md#references) for details.
- [referrer]{#gloss-referrer}
- [referrer]{#gloss-reference}
A reversed edge from one [store object] to another.
@@ -367,8 +357,8 @@
Nix represents files as [file system objects][file system object], and how they belong together is encoded as [references][reference] between [store objects][store object] that contain these file system objects.
The [Nix language] allows denoting packages in terms of [attribute sets](@docroot@/language/types.md#type-attrs) containing:
- attributes that refer to the files of a package, typically in the form of [derivation outputs](#gloss-output),
The [Nix language] allows denoting packages in terms of [attribute sets](@docroot@/language/types.md#attribute-set) containing:
- attributes that refer to the files of a package, typically in the form of [derivation outputs](#output),
- attributes with metadata, such as information about how the package is supposed to be used.
The exact shape of these attribute sets is up to convention.
@@ -383,7 +373,7 @@
[string]: ./language/types.md#type-string
[path]: ./language/types.md#type-path
[attribute name]: ./language/types.md#type-attrs
[attribute name]: ./language/types.md#attribute-set
- [base directory]{#gloss-base-directory}

View File

@@ -6,23 +6,14 @@ It is broken up into multiple Meson packages, which are optionally combined in a
There are no mandatory extra steps to the building process:
generic Meson installation instructions like [this](https://mesonbuild.com/Quick-guide.html#using-meson-as-a-distro-packager) should work.
```bash
git clone https://github.com/NixOS/nix.git
cd nix
meson setup build
cd build
ninja
(sudo) ninja install
```
The installation path can be specified by passing `-Dprefix=prefix`
to `meson setup build`. The default installation directory is `/usr/local`. You
The installation path can be specified by passing the `-Dprefix=prefix`
to `configure`. The default installation directory is `/usr/local`. You
can change this to any location you like. You must have write permission
to the *prefix* path.
Nix keeps its *store* (the place where packages are stored) in
`/nix/store` by default. This can be changed using
`-Dlibstore:store-dir=path`.
`-Dstore-dir=path`.
> **Warning**
>

View File

@@ -3,21 +3,19 @@
To run the latest stable release of Nix with Docker run the following command:
```console
$ docker run -ti docker.io/nixos/nix
Unable to find image 'docker.io/nixos/nix:latest' locally
latest: Pulling from docker.io/nixos/nix
$ docker run -ti ghcr.io/nixos/nix
Unable to find image 'ghcr.io/nixos/nix:latest' locally
latest: Pulling from ghcr.io/nixos/nix
5843afab3874: Pull complete
b52bf13f109c: Pull complete
1e2415612aa3: Pull complete
Digest: sha256:27f6e7f60227e959ee7ece361f75d4844a40e1cc6878b6868fe30140420031ff
Status: Downloaded newer image for docker.io/nixos/nix:latest
Status: Downloaded newer image for ghcr.io/nixos/nix:latest
35ca4ada6e96:/# nix --version
nix (Nix) 2.3.12
35ca4ada6e96:/# exit
```
> If you want the latest pre-release you can use ghcr.io/nixos/nix and view them at https://github.com/nixos/nix/pkgs/container/nix
# What is included in Nix's Docker image?
The official Docker image is created using `pkgs.dockerTools.buildLayeredImage`

View File

@@ -10,7 +10,7 @@
- Bash Shell. The `./configure` script relies on bashisms, so Bash is
required.
- A version of GCC or Clang that supports C++23.
- A version of GCC or Clang that supports C++20.
- `pkg-config` to locate dependencies. If your distribution does not
provide it, you can get it from

View File

@@ -41,38 +41,6 @@ There may also be references to Nix in
which you may remove.
### FreeBSD
1. Stop and remove the Nix daemon service:
```console
sudo service nix-daemon stop
sudo rm -f /usr/local/etc/rc.d/nix-daemon
sudo sysrc -x nix_daemon_enable
```
2. Remove files created by Nix:
```console
sudo rm -rf /etc/nix /usr/local/etc/profile.d/nix.sh /nix ~root/.nix-channels ~root/.nix-defexpr ~root/.nix-profile ~root/.cache/nix
```
3. Remove build users and their group:
```console
for i in $(seq 1 32); do
sudo pw userdel nixbld$i
done
sudo pw groupdel nixbld
```
4. There may also be references to Nix in:
- `/usr/local/etc/bashrc`
- `/usr/local/etc/zshrc`
- Shell configuration files in users' home directories
which you may remove.
### macOS
> **Updating to macOS 15 Sequoia**

View File

@@ -8,7 +8,7 @@ stores packages in the _Nix store_, usually the directory
`/nix/store`, where each package has its own unique subdirectory such
as
/nix/store/q06x3jll2yfzckz2bzqak089p43ixkkq-firefox-33.1/
/nix/store/b6gvzjyb2pg0kjfwrjmg1vfhh54ad73z-firefox-33.1/
where `b6gvzjyb2pg0…` is a unique identifier for the package that
captures all its dependencies (its a cryptographic hash of the

View File

@@ -53,13 +53,23 @@ Derivations can declare some infrequently used optional attributes.
- [`__structuredAttrs`]{#adv-attr-structuredAttrs}\
If the special attribute `__structuredAttrs` is set to `true`, the other derivation
attributes are serialised into a file in JSON format.
attributes are serialised into a file in JSON format. The environment variable
`NIX_ATTRS_JSON_FILE` points to the exact location of that file both in a build
and a [`nix-shell`](../command-ref/nix-shell.md). This obviates the need for
[`passAsFile`](#adv-attr-passAsFile) since JSON files have no size restrictions,
unlike process environments.
This obviates the need for [`passAsFile`](#adv-attr-passAsFile) since JSON files have no size restrictions, unlike process environments.
It also makes it possible to tweak derivation settings in a structured way;
see [`outputChecks`](#adv-attr-outputChecks) for example.
It also makes it possible to tweak derivation settings in a structured way; see
[`outputChecks`](#adv-attr-outputChecks) for example.
See the [corresponding section in the derivation page](@docroot@/store/derivation/index.md#structured-attrs) for further details.
As a convenience to Bash builders,
Nix writes a script that initialises shell variables
corresponding to all attributes that are representable in Bash. The
environment variable `NIX_ATTRS_SH_FILE` points to the exact
location of the script, both in a build and a
[`nix-shell`](../command-ref/nix-shell.md). This includes non-nested
(associative) arrays. For example, the attribute `hardening.format = true`
ends up as the Bash associative array element `${hardening[format]}`.
> **Warning**
>
@@ -160,6 +170,7 @@ See the [corresponding section in the derivation output page](@docroot@/store/de
## Other output modifications
- [`unsafeDiscardReferences`]{#adv-attr-unsafeDiscardReferences}\
When using [structured attributes](#adv-attr-structuredAttrs), the
attribute `unsafeDiscardReferences` is an attribute set with a boolean value for each output name.
If set to `true`, it disables scanning the output for runtime dependencies.
@@ -194,6 +205,7 @@ See the [corresponding section in the derivation output page](@docroot@/store/de
[`builder`]: ./derivations.md#attr-builder
- [`requiredSystemFeatures`]{#adv-attr-requiredSystemFeatures}\
If a derivation has the `requiredSystemFeatures` attribute, then Nix will only build it on a machine that has the corresponding features set in its [`system-features` configuration](@docroot@/command-ref/conf-file.md#conf-system-features).
For example, setting
@@ -333,12 +345,12 @@ Here is more information on the `output*` attributes, and what values they may b
`outputHashAlgo` can only be `null` when `outputHash` follows the SRI format, because in that case the choice of hash algorithm is determined by `outputHash`.
- [`outputHash`]{#adv-attr-outputHash}
- [`outputHash`]{#adv-attr-outputHashAlgo}; [`outputHash`]{#adv-attr-outputHashMode}
This will specify the output hash of the single output of a [fixed-output derivation].
The `outputHash` attribute must be a string containing the hash in either hexadecimal or "nix32" encoding, or following the format for integrity metadata as defined by [SRI](https://www.w3.org/TR/SRI/).
The ["nix32" encoding](@docroot@/protocols/nix32.md) is Nix's variant of base-32 encoding.
The "nix32" encoding is an adaptation of base-32 encoding.
> **Note**
>

View File

@@ -5,28 +5,12 @@ All built-ins are available through the global [`builtins`](#builtins-builtins)
Some built-ins are also exposed directly in the global scope:
<!-- TODO(@rhendric, #10970): this list is incomplete -->
- [`derivation`](#builtins-derivation)
- `derivationStrict`
- [`abort`](#builtins-abort)
- [`baseNameOf`](#builtins-baseNameOf)
- [`break`](#builtins-break)
- [`dirOf`](#builtins-dirOf)
- [`false`](#builtins-false)
- [`fetchGit`](#builtins-fetchGit)
- `fetchMercurial`
- [`fetchTarball`](#builtins-fetchTarball)
- [`fetchTree`](#builtins-fetchTree)
- [`fromTOML`](#builtins-fromTOML)
- [`import`](#builtins-import)
- [`isNull`](#builtins-isNull)
- [`map`](#builtins-map)
- [`null`](#builtins-null)
- [`placeholder`](#builtins-placeholder)
- [`removeAttrs`](#builtins-removeAttrs)
- [`scopedImport`](#builtins-scopedImport)
- [`abort`](#builtins-abort)
- [`throw`](#builtins-throw)
- [`toString`](#builtins-toString)
- [`true`](#builtins-true)
<dl>
<dt id="builtins-derivation"><a href="#builtins-derivation"><code>derivation <var>attrs</var></code></a></dt>

View File

@@ -16,7 +16,7 @@ It outputs an attribute set, and produces a [store derivation] as a side effect
- [`name`]{#attr-name} ([String](@docroot@/language/types.md#type-string))
A symbolic name for the derivation.
See [derivation outputs](@docroot@/store/derivation/outputs/index.md#outputs) for what this is affects.
See [derivation outputs](@docroot@/store/derivation/index.md#outputs) for what this is affects.
[store path]: @docroot@/store/store-path.md

View File

@@ -74,48 +74,4 @@ in f { x = throw "error"; y = throw "error"; }
=> "ok"
```
## Evaluation order
The order in which expressions are evaluated is generally unspecified, because it does not affect successful evaluation outcomes.
This allows more freedom for the evaluator to evolve and to evaluate efficiently.
Data dependencies naturally impose some ordering constraints: a value cannot be used before it is computed.
Beyond these constraints, the evaluator is free to choose any order.
The order in which side effects such as [`builtins.trace`](@docroot@/language/builtins.md#builtins-trace) output occurs is not defined, but may be expected to follow data dependencies. <!-- we may want to be more specific about this. -->
In a lazy language, evaluation order is often opposite to expectations from strict languages.
For example, in `let wrap = x: { wrapped = x; }; in wrap (1 + 2)`, the function body produces a result (`{ wrapped = ...; }`) *before* evaluating `x`.
## Infinite recursion and stack overflow
During evaluation, two types of errors can occur when expressions reference themselves or call functions too deeply:
### Infinite recursion
This error occurs when a value depends on itself through a cycle, making it impossible to compute.
```nix
let x = x; in x
=> error: infinite recursion encountered
```
Infinite recursion happens at the value level when evaluating an expression requires evaluating the same expression again.
Despite the name, infinite recursion is cheap to compute and does not involve a stack overflow.
The cycle is finite and fairly easy to detect.
### Stack overflow
This error occurs when the call depth exceeds the maximum allowed limit.
```nix
let f = x: f (x + 1);
in f 0
=> error: stack overflow; max-call-depth exceeded
```
Stack overflow happens when too many function calls are nested without returning.
The maximum call depth is controlled by the [`max-call-depth` setting](@docroot@/command-ref/conf-file.md#conf-max-call-depth).
[C API]: @docroot@/c-api.md

View File

@@ -16,7 +16,7 @@ An *identifier* is an [ASCII](https://en.wikipedia.org/wiki/ASCII) character seq
# Names
A *name* can be written as an [identifier](#identifiers) or a [string literal](./string-literals.md).
A *name* can be written as an [identifier](#identifier) or a [string literal](./string-literals.md).
> **Syntax**
>

View File

@@ -1,6 +1,6 @@
# Nix Language
The Nix language is designed for conveniently creating and composing [derivations](@docroot@/glossary.md#gloss-derivation) precise descriptions of how contents of existing files are used to derive new files.
The Nix language is designed for conveniently creating and composing *derivations* precise descriptions of how contents of existing files are used to derive new files.
> **Tip**
>
@@ -137,7 +137,7 @@ This is an incomplete overview of language features, by example.
</td>
<td>
[Booleans](@docroot@/language/types.md#type-bool)
[Booleans](@docroot@/language/types.md#type-boolean)
</td>
</tr>
@@ -245,7 +245,7 @@ This is an incomplete overview of language features, by example.
</td>
<td>
An [attribute set](@docroot@/language/types.md#type-attrs) with attributes named `x` and `y`
An [attribute set](@docroot@/language/types.md#attribute-set) with attributes named `x` and `y`
</td>
</tr>
@@ -285,7 +285,7 @@ This is an incomplete overview of language features, by example.
</td>
<td>
[Lists](@docroot@/language/types.md#type-list) with three elements.
[Lists](@docroot@/language/types.md#list) with three elements.
</td>
</tr>
@@ -369,7 +369,7 @@ This is an incomplete overview of language features, by example.
</td>
<td>
[Attribute selection](@docroot@/language/types.md#type-attrs) (evaluates to `1`)
[Attribute selection](@docroot@/language/types.md#attribute-set) (evaluates to `1`)
</td>
</tr>
@@ -381,7 +381,7 @@ This is an incomplete overview of language features, by example.
</td>
<td>
[Attribute selection](@docroot@/language/types.md#type-attrs) with default (evaluates to `3`)
[Attribute selection](@docroot@/language/types.md#attribute-set) with default (evaluates to `3`)
</td>
</tr>

View File

@@ -1,13 +1,19 @@
builtins_md = custom_target(
command : [ python.full_path(), '@INPUT0@', '@OUTPUT@', '--' ] + nix_eval_for_docs + [
'--expr', '(builtins.readFile @INPUT3@) + import @INPUT1@ (builtins.fromJSON (builtins.readFile ./@INPUT2@)) + (builtins.readFile @INPUT4@)',
command : [
python.full_path(),
'@INPUT0@',
'@OUTPUT@',
'--'
] + nix_eval_for_docs + [
'--expr',
'(builtins.readFile @INPUT3@) + import @INPUT1@ (builtins.fromJSON (builtins.readFile ./@INPUT2@)) + (builtins.readFile @INPUT4@)',
],
input : [
'../../remove_before_wrapper.py',
'../../generate-builtins.nix',
language_json,
'builtins-prefix.md',
'builtins-suffix.md',
'builtins-suffix.md'
],
output : 'builtins.md',
env : nix_env_for_docs,

View File

@@ -23,8 +23,8 @@
| [Greater than or equal to][Comparison] | *expr* `>=` *expr* | none | 10 |
| [Equality] | *expr* `==` *expr* | none | 11 |
| Inequality | *expr* `!=` *expr* | none | 11 |
| [Logical conjunction] (`AND`) | *bool* `&&` *bool* | left | [12](#precedence-and-disjunctive-normal-form) |
| [Logical disjunction] (`OR`) | *bool* <code>\|\|</code> *bool* | left | [13](#precedence-and-disjunctive-normal-form) |
| Logical conjunction (`AND`) | *bool* `&&` *bool* | left | 12 |
| Logical disjunction (`OR`) | *bool* <code>\|\|</code> *bool* | left | 13 |
| [Logical implication] | *bool* `->` *bool* | right | 14 |
| [Pipe operator] (experimental) | *expr* `\|>` *func* | left | 15 |
| [Pipe operator] (experimental) | *func* `<\|` *expr* | right | 15 |
@@ -162,9 +162,6 @@ Update [attribute set] *attrset1* with names and values from *attrset2*.
The returned attribute set will have all of the attributes in *attrset1* and *attrset2*.
If an attribute name is present in both, the attribute value from the latter is taken.
This operator is [strict](@docroot@/language/evaluation.md#strictness) in both *attrset1* and *attrset2*.
That means that both arguments are evaluated to [weak head normal form](@docroot@/language/evaluation.md#values), so the attribute sets themselves are evaluated, but their attribute values are not evaluated.
[Update]: #update
## Comparison
@@ -188,95 +185,18 @@ All comparison operators are implemented in terms of `<`, and the following equi
## Equality
- [Attribute sets][attribute set] are compared first by attribute names and then by items until a difference is found.
- [Lists][list] are compared first by length and then by items until a difference is found.
- Comparison of distinct [functions][function] returns `false`, but identical functions may be subject to [value identity optimization](#value-identity-optimization).
- [Attribute sets][attribute set] and [lists][list] are compared recursively, and therefore are fully evaluated.
- Comparison of [functions][function] always returns `false`.
- Numbers are type-compatible, see [arithmetic] operators.
- Floating point numbers only differ up to a limited precision.
The `==` operator is [strict](@docroot@/language/evaluation.md#strictness) in both arguments; when comparing composite types ([attribute sets][attribute set] and [lists][list]), it is partially strict in their contained values: they are evaluated until a difference is found. <!-- this is woefully underspecified, affecting which expressions evaluate correctly; not just "ordering" or error messages. -->
### Value identity optimization
Nix performs equality comparisons of nested values by pointer equality or more abstractly, _identity_.
Nix semantics ideally do not assign a unique identity to values as they are created, but equality is an exception to this rule.
The disputable benefit of this is that it is more efficient, and it allows cyclical structures to be compared, e.g. `let x = { x = x; }; in x == x` evaluates to `true`.
However, as a consequence, it makes a function equal to itself when the comparison is made in a list or attribute set, in contradiction to a simple direct comparison.
[function]: ./syntax.md#functions
[Equality]: #equality
## Logical conjunction
> **Syntax**
>
> *bool1* `&&` *bool2*
Logical AND. Equivalent to `if` *bool1* `then` *bool2* `else false`.
This operator is [strict](@docroot@/language/evaluation.md#strictness) in *bool1*, but only evaluates *bool2* if *bool1* is `true`.
> **Example**
>
> ```nix
> true && false
> => false
>
> false && throw "never evaluated"
> => false
> ```
[Logical conjunction]: #logical-conjunction
## Logical disjunction
> **Syntax**
>
> *bool1* `||` *bool2*
Logical OR. Equivalent to `if` *bool1* `then true` `else` *bool2*.
This operator is [strict](@docroot@/language/evaluation.md#strictness) in *bool1*, but only evaluates *bool2* if *bool1* is `false`.
> **Example**
>
> ```nix
> true || false
> => true
>
> true || throw "never evaluated"
> => true
> ```
[Logical disjunction]: #logical-disjunction
### Precedence and disjunctive normal form
The precedence of `&&` and `||` aligns with disjunctive normal form.
Without parentheses, an expression describes multiple "permissible situations" (connected by `||`), where each situation consists of multiple simultaneous conditions (connected by `&&`).
For example, `A || B && C || D && E` is parsed as `A || (B && C) || (D && E)`, describing three permissible situations: A holds, or both B and C hold, or both D and E hold.
## Logical implication
> **Syntax**
>
> *bool1* `->` *bool2*
Logical implication. Equivalent to `!`*bool1* `||` *bool2* (or `if` *bool1* `then` *bool2* `else true`).
This operator is [strict](@docroot@/language/evaluation.md#strictness) in *bool1*, but only evaluates *bool2* if *bool1* is `true`.
> **Example**
>
> ```nix
> true -> false
> => false
>
> false -> throw "never evaluated"
> => true
> ```
Equivalent to `!`*b1* `||` *b2* (or `if` *b1* `then` *b2* `else true`)
[Logical implication]: #logical-implication

View File

@@ -34,12 +34,12 @@ String context elements come in different forms:
> [`builtins.storePath`] creates a string with a single constant string context element:
>
> ```nix
> builtins.getContext (builtins.storePath "/nix/store/ikwkxz4wwlp2g1428n7dy729cg1d9hin-hello-2.10")
> builtins.getContext (builtins.storePath "/nix/store/wkhdf9jinag5750mqlax6z2zbwhqb76n-hello-2.10")
> ```
> evaluates to
> ```nix
> {
> "/nix/store/ikwkxz4wwlp2g1428n7dy729cg1d9hin-hello-2.10" = {
> "/nix/store/wkhdf9jinag5750mqlax6z2zbwhqb76n-hello-2.10" = {
> path = true;
> };
> }
@@ -111,7 +111,7 @@ It creates an [attribute set] representing the string context, which can be insp
[`builtins.hasContext`]: ./builtins.md#builtins-hasContext
[`builtins.getContext`]: ./builtins.md#builtins-getContext
[attribute set]: ./types.md#type-attrs
[attribute set]: ./types.md#attribute-set
## Clearing string contexts

View File

@@ -6,7 +6,7 @@ Such a construct is called *interpolated string*, and the expression inside is a
[string]: ./types.md#type-string
[path]: ./types.md#type-path
[attribute set]: ./types.md#type-attrs
[attribute set]: ./types.md#attribute-set
> **Syntax**
>
@@ -181,7 +181,7 @@ A derivation interpolates to the [store path] of its first [output](./derivation
> "${pkgs.hello}"
> ```
>
> "/nix/store/qnlr7906z0mrl2syrkdbpicffq02nw07-hello-2.12.1"
> "/nix/store/4xpfqf29z4m8vbhrqcz064wfmb46w5r7-hello-2.12.1"
An attribute set interpolates to the return value of the function in the `__toString` applied to the attribute set itself.

View File

@@ -51,8 +51,7 @@ See [String literals](string-literals.md).
Path literals can also include [string interpolation], besides being [interpolated into other expressions].
[string interpolation]: ./string-interpolation.md
[interpolated into other expressions]: ./string-interpolation.md#interpolated-expression
[interpolated into other expressions]: ./string-interpolation.md#interpolated-expressions
At least one slash (`/`) must appear *before* any interpolated expression for the result to be recognized as a path.
@@ -226,8 +225,8 @@ passed in first , e.g.,
```nix
let add = { __functor = self: x: x + self.x; };
inc = add // { x = 1; }; # inc is { x = 1; __functor = (...) }
in inc 1 # equivalent of `add.__functor add 1` i.e. `1 + self.x`
inc = add // { x = 1; };
in inc 1
```
evaluates to `2`. This can be used to attach metadata to a function
@@ -236,7 +235,7 @@ of object-oriented programming, for example.
## Recursive sets
Recursive sets are like normal [attribute sets](./types.md#type-attrs), but the attributes can refer to each other.
Recursive sets are like normal [attribute sets](./types.md#attribute-set), but the attributes can refer to each other.
> *rec-attrset* = `rec {` [ *name* `=` *expr* `;` `]`... `}`
@@ -273,7 +272,7 @@ will crash with an `infinite recursion encountered` error message.
A let-expression allows you to define local variables for an expression.
> *let-in* = `let` [ *identifier* = *expr* `;` ]... `in` *expr*
> *let-in* = `let` [ *identifier* = *expr* ]... `in` *expr*
Example:
@@ -286,30 +285,9 @@ in x + y
This evaluates to `"foobar"`.
There is also another, older, syntax for let expressions that should not be used in new code:
> *let* = `let` `{` *identifier* = *expr* `;` [ *identifier* = *expr* `;`]... `}`
In this form, the attribute set between the `{` `}` is recursive.
One of the attributes must have the special name `body`,
which is the result of the expression.
Example:
```nix
let {
foo = bar;
bar = "baz";
body = foo;
}
```
This evaluates to "baz".
## Inheriting attributes
When defining an [attribute set](./types.md#type-attrs) or in a [let-expression](#let-expressions) it is often convenient to copy variables from the surrounding lexical scope (e.g., when you want to propagate attributes).
When defining an [attribute set](./types.md#attribute-set) or in a [let-expression](#let-expressions) it is often convenient to copy variables from the surrounding lexical scope (e.g., when you want to propagate attributes).
This can be shortened using the `inherit` keyword.
Example:

View File

@@ -1,11 +1,7 @@
# Process JSON schema documentation
subdir('protocols')
summary_rl_next = custom_target(
command : [
bash,
'-euo',
'pipefail',
'-euo', 'pipefail',
'-c',
'''
if [ -e "@INPUT@" ]; then
@@ -16,6 +12,6 @@ summary_rl_next = custom_target(
input : [
rl_next_generated,
],
capture : true,
capture: true,
output : 'SUMMARY-rl-next.md',
)

View File

@@ -19,16 +19,17 @@ whatever port you like:
$ nix-serve -p 8080
```
To check whether it works, try fetching the [`nix-cache-info`](@docroot@/protocols/nix-cache-info.md) file on the client:
To check whether it works, try the following on the client:
```console
$ curl http://avalon:8080/nix-cache-info
StoreDir: /nix/store
WantMassQuery: 1
Priority: 30
```
When writing to a binary cache (e.g., with [`nix copy`](@docroot@/command-ref/new-cli/nix3-copy.md)), Nix creates [`nix-cache-info`](@docroot@/protocols/nix-cache-info.md) automatically if it doesn't exist.
which should print something like:
StoreDir: /nix/store
WantMassQuery: 1
Priority: 30
On the client side, you can tell Nix to use your binary cache using
`--substituters`, e.g.:

View File

@@ -12,7 +12,7 @@ $ ln -s /nix/store/d718ef...-foo /nix/var/nix/gcroots/bar
That is, after this command, the garbage collector will not remove
`/nix/store/d718ef...-foo` or any of its dependencies.
Subdirectories of `prefix/nix/var/nix/gcroots` are searched
recursively. Symlinks to store paths count as roots. Symlinks to
non-store paths are ignored, unless the non-store path is itself a
symlink to a store path.
Subdirectories of `prefix/nix/var/nix/gcroots` are also searched for
symlinks. Symlinks to non-store paths are followed and searched for
roots, but symlinks to non-store paths *inside* the paths reached in
that way are not followed to prevent infinite recursion.

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@@ -1,8 +1,6 @@
# Derivation "ATerm" file format
For historical reasons, [store derivations][store derivation] are stored on-disk in "Annotated Term" (ATerm) format
([guide](https://homepages.cwi.nl/~daybuild/daily-books/technology/aterm-guide/aterm-guide.html),
[paper](https://doi.org/10.1002/(SICI)1097-024X(200003)30:3%3C259::AID-SPE298%3E3.0.CO;2-Y)).
For historical reasons, [store derivations][store derivation] are stored on-disk in [ATerm](https://homepages.cwi.nl/~daybuild/daily-books/technology/aterm-guide/aterm-guide.html) format.
## The ATerm format used

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@@ -1,21 +0,0 @@
{{#include build-result-v1-fixed.md}}
## Examples
### Successful build
```json
{{#include schema/build-result-v1/success.json}}
```
### Failed build (output rejected)
```json
{{#include schema/build-result-v1/output-rejected.json}}
```
### Failed build (non-deterministic)
```json
{{#include schema/build-result-v1/not-deterministic.json}}
```

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@@ -1,21 +0,0 @@
{{#include build-trace-entry-v2-fixed.md}}
## Examples
### Simple build trace entry
```json
{{#include schema/build-trace-entry-v2/simple.json}}
```
### Build trace entry with signature
```json
{{#include schema/build-trace-entry-v2/with-signature.json}}
```
<!--
## Raw Schema
[JSON Schema for Build Trace Entry v1](schema/build-trace-entry-v2.json)
-->

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@@ -1,21 +0,0 @@
{{#include content-address-v1-fixed.md}}
## Examples
### [Text](@docroot@/store/store-object/content-address.html#method-text) method
```json
{{#include schema/content-address-v1/text.json}}
```
### [Nix Archive](@docroot@/store/store-object/content-address.html#method-nix-archive) method
```json
{{#include schema/content-address-v1/nar.json}}
```
<!-- need to convert YAML to JSON first
## Raw Schema
[JSON Schema for Hash v1](schema/content-address-v1.json)
-->

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@@ -0,0 +1,93 @@
# Derivation JSON Format
> **Warning**
>
> This JSON format is currently
> [**experimental**](@docroot@/development/experimental-features.md#xp-feature-nix-command)
> and subject to change.
The JSON serialization of a
[derivations](@docroot@/glossary.md#gloss-store-derivation)
is a JSON object with the following fields:
* `name`:
The name of the derivation.
This is used when calculating the store paths of the derivation's outputs.
* `outputs`:
Information about the output paths of the derivation.
This is a JSON object with one member per output, where the key is the output name and the value is a JSON object with these fields:
* `path`:
The output path, if it is known in advanced.
Otherwise, `null`.
* `method`:
For an output which will be [content addressed], a string representing the [method](@docroot@/store/store-object/content-address.md) of content addressing that is chosen.
Valid method strings are:
- [`flat`](@docroot@/store/store-object/content-address.md#method-flat)
- [`nar`](@docroot@/store/store-object/content-address.md#method-nix-archive)
- [`text`](@docroot@/store/store-object/content-address.md#method-text)
- [`git`](@docroot@/store/store-object/content-address.md#method-git)
Otherwise, `null`.
* `hashAlgo`:
For an output which will be [content addressed], the name of the hash algorithm used.
Valid algorithm strings are:
- `blake3`
- `md5`
- `sha1`
- `sha256`
- `sha512`
* `hash`:
For fixed-output derivations, the expected content hash in base-16.
> **Example**
>
> ```json
> "outputs": {
> "out": {
> "path": "/nix/store/2543j7c6jn75blc3drf4g5vhb1rhdq29-source",
> "method": "nar",
> "hashAlgo": "sha256",
> "hash": "6fc80dcc62179dbc12fc0b5881275898f93444833d21b89dfe5f7fbcbb1d0d62"
> }
> }
> ```
* `inputSrcs`:
A list of store paths on which this derivation depends.
* `inputDrvs`:
A JSON object specifying the derivations on which this derivation depends, and what outputs of those derivations.
> **Example**
>
> ```json
> "inputDrvs": {
> "/nix/store/6lkh5yi7nlb7l6dr8fljlli5zfd9hq58-curl-7.73.0.drv": ["dev"],
> "/nix/store/fn3kgnfzl5dzym26j8g907gq3kbm8bfh-unzip-6.0.drv": ["out"]
> }
> ```
specifies that this derivation depends on the `dev` output of `curl`, and the `out` output of `unzip`.
* `system`:
The system type on which this derivation is to be built
(e.g. `x86_64-linux`).
* `builder`:
The absolute path of the program to be executed to run the build.
Typically this is the `bash` shell
(e.g. `/nix/store/r3j288vpmczbl500w6zz89gyfa4nr0b1-bash-4.4-p23/bin/bash`).
* `args`:
The command-line arguments passed to the `builder`.
* `env`:
The environment passed to the `builder`.

View File

@@ -1,7 +0,0 @@
{{#include ../derivation-v4-fixed.md}}
<!-- need to convert YAML to JSON first
## Raw Schema
[JSON Schema for Derivation v4](schema/derivation-v4.json)
-->

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@@ -1,49 +0,0 @@
{{#include ../derivation-options-v1-fixed.md}}
## Examples
### Input-addressed derivations
#### Default options
```json
{{#include ../schema/derivation-options-v1/ia/derivation-options/defaults.json}}
```
#### All options set
```json
{{#include ../schema/derivation-options-v1/ia/derivation-options/all_set.json}}
```
#### Default options (structured attributes)
```json
{{#include ../schema/derivation-options-v1/ia/derivation-options/structuredAttrs_defaults.json}}
```
#### All options set (structured attributes)
```json
{{#include ../schema/derivation-options-v1/ia/derivation-options/structuredAttrs_all_set.json}}
```
### Content-addressed derivations
#### All options set
```json
{{#include ../schema/derivation-options-v1/ca/derivation-options/all_set.json}}
```
#### All options set (structured attributes)
```json
{{#include ../schema/derivation-options-v1/ca/derivation-options/structuredAttrs_all_set.json}}
```
<!-- need to convert YAML to JSON first
## Raw Schema
[JSON Schema for Derivation Options v1](schema/derivation-options-v1.json)
-->

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@@ -1,21 +0,0 @@
{{#include deriving-path-v1-fixed.md}}
## Examples
### Constant
```json
{{#include schema/deriving-path-v1/single_opaque.json}}
```
### Output of static derivation
```json
{{#include schema/deriving-path-v1/single_built.json}}
```
### Output of dynamic derivation
```json
{{#include schema/deriving-path-v1/single_built_built.json}}
```

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@@ -1,21 +0,0 @@
{{#include file-system-object-v1-fixed.md}}
## Examples
### Simple
```json
{{#include schema/file-system-object-v1/simple.json}}
```
### Complex
```json
{{#include schema/file-system-object-v1/complex.json}}
```
<!-- need to convert YAML to JSON first
## Raw Schema
[JSON Schema for File System Object v1](schema/file-system-object-v1.json)
-->

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@@ -1,18 +0,0 @@
# For some reason, backticks in the JSON schema are being escaped rather
# than being kept as intentional code spans. This removes all backtick
# escaping, which is an ugly solution, but one that is fine, because we
# are not using backticks for any other purpose.
s/\\`/`/g
# The way that semi-external references are rendered (i.e. ones to
# sibling schema files, as opposed to separate website ones, is not nice
# for humans. Replace it with a nice relative link within the manual
# instead.
#
# As we have more such relative links, more replacements of this nature
# should appear below.
s^#/\$defs/\(regular\|symlink\|directory\)^In this schema^g
s^\(./hash-v1.yaml\)\?#/$defs/algorithm^[JSON format for `Hash`](@docroot@/protocols/json/hash.html#algorithm)^g
s^\(./hash-v1.yaml\)^[JSON format for `Hash`](@docroot@/protocols/json/hash.html)^g
s^\(./content-address-v1.yaml\)\?#/$defs/method^[JSON format for `ContentAddress`](@docroot@/protocols/json/content-address.html#method)^g
s^\(./content-address-v1.yaml\)^[JSON format for `ContentAddress`](@docroot@/protocols/json/content-address.html)^g

View File

@@ -1,21 +0,0 @@
{{#include hash-v1-fixed.md}}
## Examples
### SHA-256
```json
{{#include schema/hash-v1/sha256.json}}
```
### BLAKE3
```json
{{#include schema/hash-v1/blake3.json}}
```
<!-- need to convert YAML to JSON first
## Raw Schema
[JSON Schema for Hash v1](schema/hash-v1.json)
-->

View File

@@ -1,17 +0,0 @@
# Configuration file for json-schema-for-humans
#
# https://github.com/coveooss/json-schema-for-humans/blob/main/docs/examples/examples_md_default/Configuration.md
template_name: md
show_toc: true
# impure timestamp and distracting
with_footer: false
recursive_detection_depth: 3
show_breadcrumbs: false
description_is_markdown: true
template_md_options:
properties_table_columns:
- Property
- Type
- Pattern
- Title/Description

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