Add warning for non-JSON-object exportReferencesGraph

.github/workflows/backport.yml

@@ -26,7 +26,7 @@ jobs:
           # required to find all branches
           fetch-depth: 0
       - name: Create backport PRs
-        uses: korthout/backport-action@c656f5d5851037b2b38fb5db2691a03fa229e3b2 # v4.0.1
+        uses: korthout/backport-action@d07416681cab29bf2661702f925f020aaa962997 # v3.4.1
         id: backport
         with:
           # Config README: https://github.com/korthout/backport-action#backport-action

.github/workflows/ci.yml

@@ -164,7 +164,7 @@ jobs:
     steps:
     - uses: actions/checkout@v6
     - name: Download installer tarball
-      uses: actions/download-artifact@37930b1c2abaa49bbe596cd826c3c89aef350131 # v7.0.0
+      uses: actions/download-artifact@v6
       with:
         name: installer-${{matrix.os}}
         path: out
@@ -197,20 +197,79 @@ 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 presence of secrets
+    runs-on: ubuntu-24.04
+    outputs:
+      docker: ${{ steps.secret.outputs.docker }}
+    steps:
+      - name: Check for DockerHub secrets
+        id: secret
+        env:
+          _DOCKER_SECRETS: ${{ secrets.DOCKERHUB_USERNAME }}${{ secrets.DOCKERHUB_TOKEN }}
+        run: |
+          echo "docker=${{ env._DOCKER_SECRETS != '' }}" >> $GITHUB_OUTPUT
+
   docker_push_image:
-    name: Push docker image to DockerHub and GHCR
-    needs: [flake_regressions, installer_test]
-    if: github.event_name == 'push' && github.ref_name == 'master'
-    uses: ./.github/workflows/docker-push.yml
-    with:
-      ref: ${{ github.sha }}
-      is_master: true
+    needs: [tests, check_secrets]
     permissions:
       contents: read
       packages: write
-    secrets:
-      DOCKERHUB_USERNAME: ${{ secrets.DOCKERHUB_USERNAME }}
-      DOCKERHUB_TOKEN: ${{ secrets.DOCKERHUB_TOKEN }}
+    if: >-
+      needs.check_secrets.outputs.docker == 'true' &&
+      github.event_name == 'push' &&
+      github.ref_name == 'master'
+    runs-on: ubuntu-24.04
+    steps:
+    - uses: actions/checkout@v6
+      with:
+        fetch-depth: 0
+    - uses: ./.github/actions/install-nix-action
+      with:
+        dogfood: false
+        extra_nix_config: |
+          experimental-features = flakes nix-command
+    - run: echo NIX_VERSION="$(nix eval .\#nix.version | tr -d \")" >> $GITHUB_ENV
+    - run: nix build .#dockerImage -L
+    - run: docker load -i ./result/image.tar.gz
+    - run: docker tag nix:$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
 
   flake_regressions:
     needs: tests
@@ -228,21 +287,13 @@ jobs:
         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
+          dogfood: ${{ github.event_name == 'workflow_dispatch' && inputs.dogfood || github.event_name != 'workflow_dispatch' }}
+          extra_nix_config:
+            experimental-features = nix-command flakes
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+      - run: nix build -L --out-link ./new-nix && PATH=$(pwd)/new-nix/bin:$PATH MAX_FLAKES=25 flake-regressions/eval-all.sh
 
   profile_build:
     needs: tests

.github/workflows/docker-push.yml

@@ -1,101 +0,0 @@
-name: "Push Docker Image"
-
-on:
-  workflow_call:
-    inputs:
-      ref:
-        description: "Git ref to build the docker image from"
-        required: true
-        type: string
-      is_master:
-        description: "Whether run from master branch"
-        required: true
-        type: boolean
-    secrets:
-      DOCKERHUB_USERNAME:
-        required: true
-      DOCKERHUB_TOKEN:
-        required: true
-
-permissions: {}
-
-jobs:
-  # 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 presence of secrets
-    runs-on: ubuntu-24.04
-    outputs:
-      docker: ${{ steps.secret.outputs.docker }}
-    steps:
-      - name: Check for DockerHub secrets
-        id: secret
-        env:
-          _DOCKER_SECRETS: ${{ secrets.DOCKERHUB_USERNAME }}${{ secrets.DOCKERHUB_TOKEN }}
-        run: |
-          echo "docker=${{ env._DOCKER_SECRETS != '' }}" >> $GITHUB_OUTPUT
-
-  push:
-    name: Push docker image to DockerHub and GHCR
-    needs: [check_secrets]
-    permissions:
-      contents: read
-      packages: write
-    if: needs.check_secrets.outputs.docker == 'true'
-    runs-on: ubuntu-24.04
-    steps:
-    - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
-      with:
-        fetch-depth: 0
-        ref: ${{ inputs.ref }}
-    - uses: ./.github/actions/install-nix-action
-      with:
-        dogfood: false
-        extra_nix_config: |
-          experimental-features = flakes nix-command
-    - run: echo NIX_VERSION="$(nix eval .\#nix.version | tr -d \")" >> $GITHUB_ENV
-    - run: nix build .#dockerImage -L
-    - run: docker load -i ./result/image.tar.gz
-    # 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@5e57cd118135c172c3672efd75eb46360885c0ef # v3.6.0
-      with:
-        username: ${{ secrets.DOCKERHUB_USERNAME }}
-        password: ${{ secrets.DOCKERHUB_TOKEN }}
-    - name: Push to Docker Hub
-      env:
-        IS_MASTER: ${{ inputs.is_master }}
-        DOCKERHUB_REPO: ${{ secrets.DOCKERHUB_USERNAME }}/nix
-      run: |
-        docker tag nix:$NIX_VERSION $DOCKERHUB_REPO:$NIX_VERSION
-        docker push $DOCKERHUB_REPO:$NIX_VERSION
-        if [ "$IS_MASTER" = "true" ]; then
-          docker tag nix:$NIX_VERSION $DOCKERHUB_REPO:master
-          docker push $DOCKERHUB_REPO:master
-        fi
-    # Push to GitHub Container Registry as well
-    - name: Login to GitHub Container Registry
-      uses: docker/login-action@5e57cd118135c172c3672efd75eb46360885c0ef # v3.6.0
-      with:
-        registry: ghcr.io
-        username: ${{ github.actor }}
-        password: ${{ secrets.GITHUB_TOKEN }}
-    - name: Push to GHCR
-      env:
-        IS_MASTER: ${{ inputs.is_master }}
-      run: |
-        IMAGE_ID=ghcr.io/${{ github.repository_owner }}/nix
-        IMAGE_ID=$(echo $IMAGE_ID | tr '[A-Z]' '[a-z]')
-
-        docker tag nix:$NIX_VERSION $IMAGE_ID:$NIX_VERSION
-        docker push $IMAGE_ID:$NIX_VERSION
-        if [ "$IS_MASTER" = "true" ]; then
-          docker tag nix:$NIX_VERSION $IMAGE_ID:master
-          docker push $IMAGE_ID:master
-        fi

.github/workflows/upload-release.yml

@@ -1,69 +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: Login to Docker Hub
-        uses: docker/login-action@5e57cd118135c172c3672efd75eb46360885c0ef # v3.6.0
-        with:
-          username: ${{ secrets.DOCKERHUB_USERNAME }}
-          password: ${{ secrets.DOCKERHUB_TOKEN }}
-      - name: Login to GitHub Container Registry
-        uses: docker/login-action@5e57cd118135c172c3672efd75eb46360885c0ef # v3.6.0
-        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' || '' }}

.version

@@ -1 +1 @@
-2.33.1
+2.33.0

doc/manual/rl-next/channels-subdomain.md

@@ -0,0 +1,9 @@
+---
+synopsis: Channel URLs migrated to channels.nixos.org subdomain
+prs: [14518]
+issues: [14517]
+---
+
+Channel URLs have been updated from `https://nixos.org/channels/` to `https://channels.nixos.org/` throughout Nix.
+
+The subdomain provides better reliability with IPv6 support and improved CDN distribution. The old domain apex (`nixos.org/channels/`) currently redirects to the new location but may be deprecated in the future.

doc/manual/rl-next/json-format-changes.md

@@ -0,0 +1,88 @@
+---
+synopsis: "JSON format changes for store path info and derivations"
+prs: []
+issues: []
+---
+
+JSON formats for store path info and derivations have been updated with new versions and structured fields.
+
+## Store Path Info JSON
+
+`nix path-info --json` now requires a `--json-format` flag to specify the output format version.
+Using `--json` without `--json-format` is deprecated and will become an error in a future release.
+For now, it defaults to version 1 with a warning, for a smoother migration.
+
+### Version 1 (`--json-format 1`)
+
+This is the legacy format, preserved for backwards compatibility:
+
+- String-based hash values (e.g., `"narHash": "sha256:FePFYIlM..."`)
+- String-based content addresses (e.g., `"ca": "fixed:r:sha256:1abc..."`)
+- Full store paths for map keys and references (e.g., `"/nix/store/abc...-foo"`)
+- Now includes `"storeDir"` field at the top level
+
+### Version 2 (`--json-format 2`)
+
+The new structured format follows the [JSON guidelines](@docroot@/development/json-guideline.md) with the following changes:
+
+- **Nested structure with top-level metadata**:
+
+  The output is now wrapped in an object with `version`, `storeDir`, and `info` fields:
+
+  ```json
+  {
+    "version": 2,
+    "storeDir": "/nix/store",
+    "info": { ... }
+  }
+  ```
+
+  The map from store bath base names to store object info is nested under the `info` field.
+
+- **Store path base names instead of full paths**:
+
+  Map keys and references use store path base names (e.g., `"abc...-foo"`) instead of full absolute store paths.
+  Combined with `storeDir`, the full path can be reconstructed.
+
+- **Structured `ca` field**:
+
+  Content address is now a structured JSON object instead of a string:
+
+  - Old: `"ca": "fixed:r:sha256:1abc..."`
+  - New: `"ca": {"method": "nar", "hash": "sha256-ungWv48Bz+pBQUDeXa4iI7ADYaOWF3qctBD/YfIAFa0="}`
+  - Still `null` values for input-addressed store objects
+
+  The `hash` field uses the [SRI](https://developer.mozilla.org/en-US/docs/Web/Security/Subresource_Integrity) format like other hashes.
+
+Nix currently only produces, and doesn't consume this format.
+
+Additionally the following field is added to both formats.
+(The `version` tracks breaking changes, and adding fields to outputted JSON is not a breaking change.)
+
+- **`version` field**:
+
+  All store path info JSON now includes `"version": <1|2>`.
+
+- **`storeDir` field**:
+
+  Top-level `"storeDir"` field contains the store directory path (e.g., `"/nix/store"`).
+
+## Derivation JSON (Version 4)
+
+The derivation JSON format has been updated from version 3 to version 4:
+
+- **Restructured inputs**:
+
+  Inputs are now nested under an `inputs` object:
+
+  - Old: `"inputSrcs": [...], "inputDrvs": {...}`
+  - New: `"inputs": {"srcs": [...], "drvs": {...}}`
+
+- **Consistent content addresses**:
+
+  Fixed content-addressed outputs now use structured JSON format.
+  This is the same format as `ca` in store path info (after the new version).
+
+Version 3 and earlier formats are *not* accepted when reading.
+
+**Affected command**: `nix derivation`, namely its `show` and `add` sub-commands.

doc/manual/rl-next/libcurl-pausing.md

@@ -0,0 +1,12 @@
+---
+synopsis: Fix "download buffer is full; consider increasing the 'download-buffer-size' setting" warning
+prs: [14614]
+issues: [11728]
+---
+
+The underlying issue that led to [#11728](https://github.com/NixOS/nix/issues/11728) has been resolved by utilizing
+[libcurl write pausing functionality](https://curl.se/libcurl/c/curl_easy_pause.html) to control backpressure when unpacking to slow destinations like the git-backed tarball cache. The default value of `download-buffer-size` is now 1 MiB and it's no longer recommended to increase it, since the root cause has been fixed.
+
+This is expected to improve download performance on fast connections, since previously a single slow download consumer would stall the thread and prevent any other transfers from progressing.
+
+Many thanks go out to the [Lix project](https://lix.systems/) for the [implementation](https://git.lix.systems/lix-project/lix/commit/4ae6fb5a8f0d456b8d2ba2aaca3712b4e49057fc) that served as inspiration for this change and for triaging libcurl [issues with pausing](https://github.com/curl/curl/issues/19334).

doc/manual/rl-next/repl-interrupt.md

@@ -0,0 +1,8 @@
+---
+synopsis: Interrupting REPL commands works more than once
+issues: [13481]
+---
+
+Previously, this only worked once per REPL session; further attempts would be ignored.
+This issue is now fixed, so REPL commands such as `:b` or `:p` can be canceled consistently.
+This is a cherry-pick of the change from the [Lix project](https://gerrit.lix.systems/c/lix/+/1097).

doc/manual/rl-next/s3-curl-implementation.md

@@ -0,0 +1,40 @@
+---
+synopsis: "Improved S3 binary cache support via HTTP"
+prs: [13752, 13823, 14026, 14120, 14131, 14135, 14144, 14170, 14190, 14198, 14206, 14209, 14222, 14223, 14330, 14333, 14335, 14336, 14337, 14350, 14356, 14357, 14374, 14375, 14376, 14377, 14391, 14393, 14420, 14421]
+issues: [13084, 12671, 11748, 12403]
+---
+
+S3 binary cache operations now happen via HTTP, leveraging `libcurl`'s native
+AWS SigV4 authentication instead of the AWS C++ SDK, providing significant
+improvements:
+
+- **Reduced memory usage**: Eliminates memory buffering issues that caused
+  segfaults with large files
+- **Fixed upload reliability**: Resolves AWS SDK chunking errors
+  (`InvalidChunkSizeError`)
+- **Lighter dependencies**: Uses lightweight `aws-crt-cpp` instead of full
+  `aws-cpp-sdk`, reducing build complexity
+
+The new implementation requires curl >= 7.75.0 and `aws-crt-cpp` for credential
+management.
+
+All existing S3 URL formats and parameters remain supported, however the store
+settings for configuring multipart uploads have changed:
+
+- **`multipart-upload`** (default: `false`): Enable multipart uploads for large
+  files. When enabled, files exceeding the multipart threshold will be uploaded
+  in multiple parts.
+
+- **`multipart-threshold`** (default: `100 MiB`): Minimum file size for using
+  multipart uploads. Files smaller than this will use regular PUT requests.
+  Only takes effect when `multipart-upload` is enabled.
+
+- **`multipart-chunk-size`** (default: `5 MiB`): Size of each part in multipart
+  uploads. Must be at least 5 MiB (AWS S3 requirement). Larger chunk sizes
+  reduce the number of requests but use more memory.
+
+- **`buffer-size`**: Has been replaced by `multipart-chunk-size` and is now an alias to it.
+
+Note that this change also means Nix now supports S3 binary cache stores even
+if built without `aws-crt-cpp`, but only for public buckets which do not
+require authentication.

doc/manual/rl-next/s3-object-versioning.md

@@ -0,0 +1,14 @@
+---
+synopsis: "S3 URLs now support object versioning via versionId parameter"
+prs: [14274]
+issues: [13955]
+---
+
+S3 URLs now support a `versionId` query parameter to fetch specific versions
+of objects from S3 buckets with versioning enabled. This allows pinning to
+exact object versions for reproducibility and protection against unexpected
+changes:
+
+```
+s3://bucket/key?region=us-east-1&versionId=abc123def456
+```

doc/manual/rl-next/s3-storage-class.md

@@ -0,0 +1,21 @@
+---
+synopsis: "S3 binary cache stores now support storage class configuration"
+prs: [14464]
+issues: [7015]
+---
+
+S3 binary cache stores now support configuring the storage class for uploaded objects via the `storage-class` parameter. This allows users to optimize costs by selecting appropriate storage tiers based on access patterns.
+
+Example usage:
+
+```bash
+# Use Glacier storage for long-term archival
+nix copy --to 's3://my-bucket?storage-class=GLACIER' /nix/store/...
+
+# Use Intelligent Tiering for automatic cost optimization
+nix copy --to 's3://my-bucket?storage-class=INTELLIGENT_TIERING' /nix/store/...
+```
+
+The storage class applies to both regular uploads and multipart uploads. When not specified, objects use the bucket's default storage class.
+
+See the [S3 storage classes documentation](https://docs.aws.amazon.com/AmazonS3/latest/userguide/storage-class-intro.html) for available storage classes and their characteristics.

doc/manual/source/SUMMARY.md.in

@@ -151,7 +151,6 @@
   - [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)

doc/manual/source/release-notes/rl-2.33.md

@@ -1,281 +0,0 @@
-# Release 2.33.0 (2025-12-09)
-
-## New features
-
-- New command `nix registry resolve` [#14595](https://github.com/NixOS/nix/pull/14595)
-
-  This command looks up a flake registry input name and returns the flakeref it resolves to.
-
-  For example, looking up Nixpkgs:
-
-  ```
-  $ nix registry resolve nixpkgs
-  github:NixOS/nixpkgs/nixpkgs-unstable
-  ```
-
-  Upstreamed from [Determinate Nix 3.14.0](https://github.com/DeterminateSystems/nix-src/pull/273).
-
-- `nix flake clone` supports all input types [#14581](https://github.com/NixOS/nix/pull/14581)
-
-  `nix flake clone` now supports arbitrary input types. In particular, this allows you to clone tarball flakes, such as flakes on FlakeHub.
-
-  Upstreamed from [Determinate Nix 3.12.0](https://github.com/DeterminateSystems/nix-src/pull/229).
-
-## Performance improvements
-
-- Git fetcher computes `revCount`s using multiple threads [#14462](https://github.com/NixOS/nix/pull/14462)
-
-  When using Git repositories with a long history, calculating the `revCount` attribute can take a long time. Nix now computes `revCount` using multiple threads, making it much faster (e.g. 9.1s to 3.7s for Nixpkgs).
-
-  Note that if you don't need `revCount`, you can disable it altogether by setting the flake input attribute `shallow = true`.
-
-  Upstreamed from [Determinate Nix 3.12.2](https://github.com/DeterminateSystems/nix-src/pull/245).
-
-- `builtins.stringLength` now runs in constant time [#14442](https://github.com/NixOS/nix/pull/14442)
-
-  The internal representation of strings has been replaced with a size-prefixed Pascal style string. Previously Nix stored strings as a NUL-terminated array of bytes, necessitating a linear scan to calculate the length.
-
-- Uploads to `http://` and `https://` binary cache stores now run in constant memory [#14390](https://github.com/NixOS/nix/pull/14390)
-
-  Nix used to buffer the whole compressed NAR contents in memory. It now reads it in a streaming fashion.
-
-- Channel URLs migrated to channels.nixos.org subdomain [#14517](https://github.com/NixOS/nix/issues/14517) [#14518](https://github.com/NixOS/nix/pull/14518)
-
-  Channel URLs have been updated from `https://nixos.org/channels/` to `https://channels.nixos.org/` throughout Nix. This subdomain provides better reliability with IPv6 support and improved CDN distribution. The old domain apex (`nixos.org/channels/`) currently redirects to the new location but may be deprecated in the future.
-
-- Fix `download buffer is full; consider increasing the 'download-buffer-size' setting` warning [#11728](https://github.com/NixOS/nix/issues/11728) [#14614](https://github.com/NixOS/nix/pull/14614)
-
-  The underlying issue that led to [#11728](https://github.com/NixOS/nix/issues/11728) has been resolved by utilizing
-  [libcurl write pausing functionality](https://curl.se/libcurl/c/curl_easy_pause.html) to control backpressure when unpacking to slow destinations like the git-backed tarball cache. The default value of `download-buffer-size` is now 1 MiB and it's no longer recommended to increase it, since the root cause has been fixed.
-
-  This is expected to improve download performance on fast connections, since previously a single slow download consumer would stall the thread and prevent any other transfers from progressing.
-
-  Many thanks go out to the [Lix project](https://lix.systems/) for the [implementation](https://git.lix.systems/lix-project/lix/commit/4ae6fb5a8f0d456b8d2ba2aaca3712b4e49057fc) that served as inspiration for this change and for triaging libcurl [issues with pausing](https://github.com/curl/curl/issues/19334).
-
-- Significantly improve tarball unpacking performance [#14689](https://github.com/NixOS/nix/pull/14689) [#14696](https://github.com/NixOS/nix/pull/14696) [#10683](https://github.com/NixOS/nix/issues/10683) [#11098](https://github.com/NixOS/nix/issues/11098)
-
-  Nix uses a content-addressed cache backed by libgit2 for deduplicating files fetched via `fetchTarball` and `github`, `tarball` flake inputs. Its usage has been significantly optimised to reduce the amount of I/O operations that are performed. For a typical nixpkgs source tarball this results in 200 times fewer system calls on Linux. In combination with libcurl pausing this alleviates performance regressions stemming from the tarball cache.
-
-- Already valid derivations are no longer copied to the store [#14219](https://github.com/NixOS/nix/pull/14219)
-
-  This results in a modest speedup when using the Nix daemon.
-
-- `nix nar ls` and `nix nar cat` are significantly faster and no longer buffer the whole NAR in memory [#14273](https://github.com/NixOS/nix/pull/14273) [#14732](https://github.com/NixOS/nix/pull/14732)
-
-## S3 improvements
-
-- Improved S3 binary cache support via HTTP [#11748](https://github.com/NixOS/nix/issues/11748) [#12403](https://github.com/NixOS/nix/issues/12403) [#12671](https://github.com/NixOS/nix/issues/12671) [#13084](https://github.com/NixOS/nix/issues/13084) [#13752](https://github.com/NixOS/nix/pull/13752) [#13823](https://github.com/NixOS/nix/pull/13823) [#14026](https://github.com/NixOS/nix/pull/14026) [#14120](https://github.com/NixOS/nix/pull/14120) [#14131](https://github.com/NixOS/nix/pull/14131) [#14135](https://github.com/NixOS/nix/pull/14135) [#14144](https://github.com/NixOS/nix/pull/14144) [#14170](https://github.com/NixOS/nix/pull/14170) [#14190](https://github.com/NixOS/nix/pull/14190) [#14198](https://github.com/NixOS/nix/pull/14198) [#14206](https://github.com/NixOS/nix/pull/14206) [#14209](https://github.com/NixOS/nix/pull/14209) [#14222](https://github.com/NixOS/nix/pull/14222) [#14223](https://github.com/NixOS/nix/pull/14223) [#14330](https://github.com/NixOS/nix/pull/14330) [#14333](https://github.com/NixOS/nix/pull/14333) [#14335](https://github.com/NixOS/nix/pull/14335) [#14336](https://github.com/NixOS/nix/pull/14336) [#14337](https://github.com/NixOS/nix/pull/14337) [#14350](https://github.com/NixOS/nix/pull/14350) [#14356](https://github.com/NixOS/nix/pull/14356) [#14357](https://github.com/NixOS/nix/pull/14357) [#14374](https://github.com/NixOS/nix/pull/14374) [#14375](https://github.com/NixOS/nix/pull/14375) [#14376](https://github.com/NixOS/nix/pull/14376) [#14377](https://github.com/NixOS/nix/pull/14377) [#14391](https://github.com/NixOS/nix/pull/14391) [#14393](https://github.com/NixOS/nix/pull/14393) [#14420](https://github.com/NixOS/nix/pull/14420) [#14421](https://github.com/NixOS/nix/pull/14421)
-
-  S3 binary cache operations now happen via HTTP, leveraging `libcurl`'s native AWS SigV4 authentication instead of the AWS C++ SDK, providing significant improvements:
-
-  - **Reduced memory usage**: Eliminates memory buffering issues that caused segfaults with large files
-  - **Fixed upload reliability**: Resolves AWS SDK chunking errors (`InvalidChunkSizeError`)
-  - **Lighter dependencies**: Uses lightweight `aws-crt-cpp` instead of full `aws-cpp-sdk`, reducing build complexity
-
-  The new implementation requires curl >= 7.75.0 and `aws-crt-cpp` for credential management.
-
-  All existing S3 URL formats and parameters remain supported, however the store settings for configuring multipart uploads have changed:
-
-  - **`multipart-upload`** (default: `false`): Enable multipart uploads for large files. When enabled, files exceeding the multipart threshold will be uploaded in multiple parts.
-
-  - **`multipart-threshold`** (default: `100 MiB`): Minimum file size for using multipart uploads. Files smaller than this will use regular PUT requests. Only takes effect when `multipart-upload` is enabled.
-
-  - **`multipart-chunk-size`** (default: `5 MiB`): Size of each part in multipart uploads. Must be at least 5 MiB (AWS S3 requirement). Larger chunk sizes reduce the number of requests but use more memory.
-
-  - **`buffer-size`**: Has been replaced by `multipart-chunk-size` and is now an alias to it.
-
-  Note that this change also means Nix now supports S3 binary cache stores even if built without `aws-crt-cpp`, but only for public buckets which do not require authentication.
-
-- S3 URLs now support object versioning via `versionId` parameter [#13955](https://github.com/NixOS/nix/issues/13955) [#14274](https://github.com/NixOS/nix/pull/14274)
-
-  S3 URLs now support a `versionId` query parameter to fetch specific versions
-  of objects from S3 buckets with versioning enabled. This allows pinning to
-  exact object versions for reproducibility and protection against unexpected
-  changes:
-
-  ```
-  s3://bucket/key?region=us-east-1&versionId=abc123def456
-  ```
-
-- S3 binary cache stores now support storage class configuration [#7015](https://github.com/NixOS/nix/issues/7015) [#14464](https://github.com/NixOS/nix/pull/14464)
-
-  S3 binary cache stores now support configuring the storage class for uploaded objects via the `storage-class` parameter. This allows users to optimize costs by selecting appropriate storage tiers based on access patterns.
-
-  Example usage:
-
-  ```bash
-  # Use Glacier storage for long-term archival
-  nix copy --to 's3://my-bucket?storage-class=GLACIER' /nix/store/...
-
-  # Use Intelligent Tiering for automatic cost optimization
-  nix copy --to 's3://my-bucket?storage-class=INTELLIGENT_TIERING' /nix/store/...
-  ```
-
-  The storage class applies to both regular uploads and multipart uploads. When not specified, objects use the bucket's default storage class.
-
-  See the [S3 storage classes documentation](https://docs.aws.amazon.com/AmazonS3/latest/userguide/storage-class-intro.html) for available storage classes and their characteristics.
-
-
-## Store path info JSON format changes
-
-The JSON format emitted by `nix path-info --json` has been updated to a new version with improved structure.
-
-To maintain compatibility, `nix path-info --json` now requires a `--json-format` flag to specify the output format version.
-Using `--json` without `--json-format` is deprecated and will become an error in a future release.
-For now, it defaults to version 1 with a warning, for a smoother migration.
-
-### Version 1 (`--json-format 1`)
-
-This is the legacy format, preserved for backwards compatibility:
-
-- String-based hash values (e.g., `"narHash": "sha256:FePFYIlM..."`)
-- String-based content addresses (e.g., `"ca": "fixed:r:sha256:1abc..."`)
-- Full store paths for map keys and references (e.g., `"/nix/store/abc...-foo"`)
-- Now includes `"storeDir"` field at the top level
-
-### Version 2 (`--json-format 2`)
-
-The new structured format follows the [JSON guidelines](@docroot@/development/json-guideline.md) with the following changes:
-
-- **Nested structure with top-level metadata**:
-
-  The output is now wrapped in an object with `version`, `storeDir`, and `info` fields:
-
-  ```json
-  {
-    "version": 2,
-    "storeDir": "/nix/store",
-    "info": { ... }
-  }
-  ```
-
-  The map from store path base names to store object info is nested under the `info` field.
-
-- **Store path base names instead of full paths**:
-
-  Map keys and references use store path base names (e.g., `"abc...-foo"`) instead of full absolute store paths.
-  Combined with `storeDir`, the full path can be reconstructed.
-
-- **Structured `ca` field**:
-
-  Content address is now a structured JSON object instead of a string:
-
-  - Old: `"ca": "fixed:r:sha256:1abc..."`
-  - New: `"ca": {"method": "nar", "hash": "sha256-ungWv48Bz+pBQUDeXa4iI7ADYaOWF3qctBD/YfIAFa0="}`
-  - Still `null` values for input-addressed store objects
-
-  The `hash` field uses the [SRI](https://developer.mozilla.org/en-US/docs/Web/Security/Subresource_Integrity) format like other hashes.
-
-Additionally the following fields are added to both formats:
-
-  - **`version` field**:
-
-    All store path info JSON now includes `"version": <1|2>`. The `version` tracks breaking changes, and adding fields to outputted JSON is not a breaking change.
-
-  - **`storeDir` field**:
-
-    Top-level `"storeDir"` field contains the store directory path (e.g., `"/nix/store"`).
-
-## Derivation JSON format changes
-
-The derivation JSON format has been updated from version 3 to version 4:
-
-- **Nested structure with top-level metadata**:
-
-  The output of `nix derivation show` is now wrapped in an object with `version` and `derivations` fields:
-
-  ```json
-  {
-    "version": 4,
-    "derivations": { ... }
-  }
-  ```
-
-  The map from derivation paths to derivation info is nested under the `derivations` field.
-
-  This matches the structure used for `nix path-info --json --json-format 2`, and likewise brings this command into compliance with the JSON guidelines.
-
-- **Restructured inputs**:
-
-  Inputs are now nested under an `inputs` object:
-
-  - Old: `"inputSrcs": [...], "inputDrvs": {...}`
-  - New: `"inputs": {"srcs": [...], "drvs": {...}}`
-
-- **Consistent content addresses**:
-
-  Fixed content-addressed outputs now use structured JSON format.
-  This is the same format as `ca` in store path info (after the new version).
-
-Version 3 and earlier formats are *not* accepted when reading.
-
-**Affected command**: `nix derivation`, namely its `show` and `add` sub-commands.
-
-## Miscellaneous changes
-
-- Git fetcher: Restore progress indication [#14487](https://github.com/NixOS/nix/pull/14487)
-
-  Nix used to feel "stuck" while it was cloning large repositories. Nix now shows Git's native progress indicator while fetching.
-
-  Upstreamed from [Determinate Nix 3.13.0](https://github.com/DeterminateSystems/nix-src/pull/250).
-
-- Interrupting REPL commands works more than once [#13481](https://github.com/NixOS/nix/issues/13481)
-
-  Previously, this only worked once per REPL session; further attempts would be ignored.
-  This issue is now fixed, so REPL commands such as `:b` or `:p` can be canceled consistently.
-  This is a cherry-pick of the change from the [Lix project](https://gerrit.lix.systems/c/lix/+/1097).
-
-- NAR unpacking code has been rewritten to make use of dirfd-based `openat` and `openat2` system calls when available [#14597](https://github.com/NixOS/nix/pull/14597)
-
-- Dynamic size unit rendering [#14423](https://github.com/NixOS/nix/pull/14423) [#14364](https://github.com/NixOS/nix/pull/14364)
-
-  Various commands and the progress bar now use dynamically determined size units instead
-  of always using `MiB`. For example, the progress bar now reports download status like:
-
-  ```
-  [1/196/197 copied (773.7 MiB/2.1 GiB), 172.4/421.5 MiB DL]
-  ```
-
-  Instead of:
-
-  ```
-  [1/196/197 copied (773.7/2147.3 MiB), 172.4/421.5 MiB DL]
-  ```
-
-## Contributors
-
-This release was made possible by the following 33 contributors:
-
-- Adam Dinwoodie [**(@me-and)**](https://github.com/me-and)
-- jonhermansen [**(@jonhermansen)**](https://github.com/jonhermansen)
-- Arnout Engelen [**(@raboof)**](https://github.com/raboof)
-- Jean-François Roche [**(@jfroche)**](https://github.com/jfroche)
-- tomberek [**(@tomberek)**](https://github.com/tomberek)
-- Eelco Dolstra [**(@edolstra)**](https://github.com/edolstra)
-- Marcel [**(@MarcelCoding)**](https://github.com/MarcelCoding)
-- David McFarland [**(@corngood)**](https://github.com/corngood)
-- Soumyadip Sarkar [**(@neuralsorcerer)**](https://github.com/neuralsorcerer)
-- Cole Helbling [**(@cole-h)**](https://github.com/cole-h)
-- John Ericson [**(@Ericson2314)**](https://github.com/Ericson2314)
-- Tristan Ross [**(@RossComputerGuy)**](https://github.com/RossComputerGuy)
-- Alex Auvolat [**(@Alexis211)**](https://github.com/Alexis211)
-- edef [**(@edef1c)**](https://github.com/edef1c)
-- Sergei Zimmerman [**(@xokdvium)**](https://github.com/xokdvium)
-- Vinayak Goyal [**(@vinayakankugoyal)**](https://github.com/vinayakankugoyal)
-- Graham Dennis [**(@GrahamDennis)**](https://github.com/GrahamDennis)
-- Aspen Smith [**(@glittershark)**](https://github.com/glittershark)
-- Jens Petersen [**(@juhp)**](https://github.com/juhp)
-- Bernardo Meurer [**(@lovesegfault)**](https://github.com/lovesegfault)
-- Peter Bynum [**(@pkpbynum)**](https://github.com/pkpbynum)
-- Jörg Thalheim [**(@Mic92)**](https://github.com/Mic92)
-- Alex Decious [**(@adeci)**](https://github.com/adeci)
-- Matthieu Coudron [**(@teto)**](https://github.com/teto)
-- Domen Kožar [**(@domenkozar)**](https://github.com/domenkozar)
-- Taeer Bar-Yam [**(@Radvendii)**](https://github.com/Radvendii)
-- Seth Flynn [**(@getchoo)**](https://github.com/getchoo)
-- Robert Hensing [**(@roberth)**](https://github.com/roberth)
-- Vladimir Panteleev [**(@CyberShadow)**](https://github.com/CyberShadow)
-- bryango [**(@bryango)**](https://github.com/bryango)
-- Henry [**(@cootshk)**](https://github.com/cootshk)
-- Martin Joerg [**(@mjoerg)**](https://github.com/mjoerg)
-- Farid Zakaria [**(@fzakaria)**](https://github.com/fzakaria)

flake.nix

@@ -32,7 +32,7 @@
     let
       inherit (nixpkgs) lib;
 
-      officialRelease = true;
+      officialRelease = false;
 
       linux32BitSystems = [ "i686-linux" ];
       linux64BitSystems = [

maintainers/data/release-credits-email-to-handle.json

@@ -224,25 +224,5 @@
     "42688647+netadr@users.noreply.github.com": "netadr",
     "matej.urbas@gmail.com": "urbas",
     "ethanalexevans@gmail.com": "ethanavatar",
-    "greg.marti@gmail.com": "gmarti",
-    "arnout@bzzt.net": "raboof",
-    "vinayakankugoyal@gmail.com": "vinayakankugoyal",
-    "Radvendii@users.noreply.github.com": "Radvendii",
-    "jon@jh86.org": "jonhermansen",
-    "edef@edef.eu": "edef1c",
-    "pkpbynum@gmail.com": "pkpbynum",
-    "886074+teto@users.noreply.github.com": "teto",
-    "alex@adnab.me": "Alexis211",
-    "root@gws.fyi": "glittershark",
-    "me@m4rc3l.de": "MarcelCoding",
-    "taeer.bar-yam@bevuta.com": "Radvendii",
-    "martin.joerg@gmail.com": "mjoerg",
-    "git@cy.md": "CyberShadow",
-    "cootshk@duck.com": "cootshk",
-    "adam@dinwoodie.org": "me-and",
-    "domen@cachix.org": "domenkozar",
-    "alex.decious@gmail.com": "adeci",
-    "soumya.papanvk18@gmail.com": "neuralsorcerer",
-    "gdennis@anduril.com": null,
-    "graham.dennis@gmail.com": "GrahamDennis"
+    "greg.marti@gmail.com": "gmarti"
 }

maintainers/data/release-credits-handle-to-name.json

@@ -196,21 +196,5 @@
     "gmarti": "Gr\u00e9gory Marti",
     "lovesegfault": "Bernardo Meurer",
     "EphraimSiegfried": "Ephraim Siegfried",
-    "hgl": "Glen Huang",
-    "mjoerg": "Martin Joerg",
-    "Alexis211": "Alex Auvolat",
-    "domenkozar": "Domen Ko\u017ear",
-    "edef1c": "edef",
-    "cootshk": "Henry",
-    "raboof": "Arnout Engelen",
-    "pkpbynum": "Peter Bynum",
-    "glittershark": "Aspen Smith",
-    "MarcelCoding": "Marcel",
-    "teto": "Matthieu Coudron",
-    "jonhermansen": null,
-    "neuralsorcerer": "Soumyadip Sarkar",
-    "adeci": "Alex Decious",
-    "vinayakankugoyal": "Vinayak Goyal",
-    "me-and": "Adam Dinwoodie",
-    "GrahamDennis": "Graham Dennis"
+    "hgl": "Glen Huang"
 }

maintainers/keys/158A6F530EA202E5F651611314FAEA63448E1DF9.asc

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-7w==
-=mXYP
------END PGP PUBLIC KEY BLOCK-----

maintainers/keys/B541D55301270E0BCF15CA5D8170B4726D7198DE.asc

@@ -1,51 +0,0 @@
------BEGIN PGP PUBLIC KEY BLOCK-----
-
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------END PGP PUBLIC KEY BLOCK-----

maintainers/keys/README.md

@@ -1,13 +0,0 @@
-# Maintainer GPG Keys
-
-Release tags are signed by members of the [Nix maintainer team](https://nixos.org/community/teams/nix/) as part of the [release process](../release-process.md). This directory contains the public GPG keys used for signing.
-
-## Keys
-
-- **Eelco Dolstra**
-  GPG Fingerprint: `B541 D553 0127 0E0B CF15 CA5D 8170 B472 6D71 98DE`
-
-- **Sergei Zimmerman**
-  GPG Fingerprint: [`158A 6F53 0EA2 02E5 F651 6113 14FA EA63 448E 1DF9`](https://keys.openpgp.org/vks/v1/by-fingerprint/158A6F530EA202E5F651611314FAEA63448E1DF9)
-
-<!-- TODO: Add keys for other Nix team members -->

maintainers/release-process.md

@@ -5,11 +5,11 @@
 The release process is intended to create the following for each
 release:
 
-* A signed Git tag (public keys in `maintainers/keys/`)
+* A Git tag
 
 * Binary tarballs in https://releases.nixos.org/?prefix=nix/
 
-* Docker images (arm64 and amd64 variants, uploaded to DockerHub and GHCR)
+* Docker images
 
 * Closures in https://cache.nixos.org
 
@@ -104,17 +104,21 @@ release:
   evaluation ID (e.g. `1780832` in
   `https://hydra.nixos.org/eval/1780832`).
 
-* Tag the release:
+* Tag the release and upload the release artifacts to
+  [`releases.nixos.org`](https://releases.nixos.org/) and [Docker Hub](https://hub.docker.com/):
 
   ```console
-  $ IS_LATEST=1 ./maintainers/upload-release.pl --skip-docker --skip-s3 --project-root $PWD <EVAL-ID>
+  $ IS_LATEST=1 ./maintainers/upload-release.pl <EVAL-ID>
   ```
 
   Note: `IS_LATEST=1` causes the `latest-release` branch to be
   force-updated. This is used by the `nixos.org` website to get the
   [latest Nix manual](https://nixos.org/manual/nixpkgs/unstable/).
 
-* Trigger the [`upload-release.yml` workflow](https://github.com/NixOS/nix/actions/workflows/upload-release.yml) via `workflow_dispatch` trigger. At the top click `Run workflow` -> select the current release branch from `Use workflow from` -> fill in `Hydra evaluation ID` with `<EVAL-ID>` value from previous steps -> click `Run workflow`. Wait for the run to be approved by `NixOS/nix-team` (or bypass checks if warranted). Wait for the workflow to succeed.
+  TODO: This script requires the right AWS credentials. Document.
+
+  TODO: This script currently requires a
+  `/home/eelco/Dev/nix-pristine`.
 
   TODO: trigger nixos.org netlify: https://docs.netlify.com/configure-builds/build-hooks/
 
@@ -177,18 +181,16 @@ release:
 * Wait for the desired evaluation of the maintenance jobset to finish
   building.
 
-* Tag the release
+* Run
 
   ```console
-  $ IS_LATEST=1 ./maintainers/upload-release.pl --skip-docker --skip-s3 --project-root $PWD <EVAL-ID>
+  $ IS_LATEST=1 ./maintainers/upload-release.pl <EVAL-ID>
   ```
 
   Omit `IS_LATEST=1` when creating a point release that is not on the
   most recent stable branch. This prevents `nixos.org` to going back
   to an older release.
 
-* Trigger the [`upload-release.yml` workflow](https://github.com/NixOS/nix/actions/workflows/upload-release.yml) via `workflow_dispatch` trigger. At the top click `Run workflow` -> select the current release branch from `Use workflow from` -> fill in `Hydra evaluation ID` with `<EVAL-ID>` value from previous steps -> click `Run workflow`. Wait for the run to be approved by `NixOS/nix-team` (or bypass checks if warranted). Wait for the workflow to succeed.
-
 * Bump the version number of the release branch as above (e.g. to
   `2.12.2`).
 

maintainers/upload-release.pl

@@ -1,8 +1,7 @@
 #! /usr/bin/env nix-shell
-#! nix-shell -i perl -p awscli2 perl perlPackages.LWPUserAgent perlPackages.LWPProtocolHttps perlPackages.FileSlurp perlPackages.NetAmazonS3 perlPackages.GetoptLongDescriptive gnupg1
+#! nix-shell -i perl -p perl perlPackages.LWPUserAgent perlPackages.LWPProtocolHttps perlPackages.FileSlurp perlPackages.NetAmazonS3 gnupg1
 
 use strict;
-use Getopt::Long::Descriptive;
 use Data::Dumper;
 use File::Basename;
 use File::Path;
@@ -14,30 +13,7 @@ use Net::Amazon::S3;
 
 delete $ENV{'shell'}; # shut up a LWP::UserAgent.pm warning
 
-my ($opt, $usage) = describe_options(
-    '%c %o <eval-id>',
-    [ 'skip-docker',      'Skip Docker image upload' ],
-    [ 'skip-git',         'Skip Git tagging' ],
-    [ 'skip-s3',          'Skip S3 upload' ],
-    [ 'docker-owner=s',   'Docker image owner', { default => 'nixos/nix' } ],
-    [ 'project-root=s',   'Pristine git repository path' ],
-    [ 's3-endpoint=s',    'Custom S3 endpoint' ],
-    [ 's3-host=s',        'S3 host', { default => 's3-eu-west-1.amazonaws.com' } ],
-    [],
-    [ 'help|h',           'Show this help message', { shortcircuit => 1 } ],
-    [],
-    [ 'Environment variables:' ],
-    [ 'AWS_ACCESS_KEY_ID' ],
-    [ 'AWS_SECRET_ACCESS_KEY' ],
-    [ 'AWS_SESSION_TOKEN   For OIDC' ],
-    [ 'IS_LATEST           Set to "1" to mark as latest release' ],
-);
-
-print($usage->text), exit if $opt->help;
-
-my $evalId = $ARGV[0] or do { print STDERR $usage->text; exit 1 };
-
-die "--project-root is required unless --skip-git is specified\n" unless $opt->skip_git || $opt->project_root;
+my $evalId = $ARGV[0] or die "Usage: $0 EVAL-ID\n";
 
 my $releasesBucketName = "nix-releases";
 my $channelsBucketName = "nix-channels";
@@ -86,38 +62,25 @@ File::Path::make_path($narCache);
 my $binaryCache = "https://cache.nixos.org/?local-nar-cache=$narCache";
 
 # S3 setup.
-my $aws_access_key_id = $ENV{'AWS_ACCESS_KEY_ID'};
-my $aws_secret_access_key = $ENV{'AWS_SECRET_ACCESS_KEY'};
-my $aws_session_token = $ENV{'AWS_SESSION_TOKEN'};
+my $aws_access_key_id = $ENV{'AWS_ACCESS_KEY_ID'} or die "No AWS_ACCESS_KEY_ID given.";
+my $aws_secret_access_key = $ENV{'AWS_SECRET_ACCESS_KEY'} or die "No AWS_SECRET_ACCESS_KEY given.";
 
-my ($s3, $releasesBucket, $s3_channels, $channelsBucket);
+my $s3 = Net::Amazon::S3->new(
+    { aws_access_key_id     => $aws_access_key_id,
+      aws_secret_access_key => $aws_secret_access_key,
+      retry                 => 1,
+      host                  => "s3-eu-west-1.amazonaws.com",
+    });
 
-unless ($opt->skip_s3) {
-    $aws_access_key_id or die "No AWS_ACCESS_KEY_ID given.";
-    $aws_secret_access_key or die "No AWS_SECRET_ACCESS_KEY given.";
+my $releasesBucket = $s3->bucket($releasesBucketName) or die;
 
-    $s3 = Net::Amazon::S3->new(
-        { aws_access_key_id     => $aws_access_key_id,
-          aws_secret_access_key => $aws_secret_access_key,
-          $aws_session_token ? (aws_session_token => $aws_session_token) : (),
-          retry                 => 1,
-          host                  => $opt->s3_host,
-          secure                => ($opt->s3_endpoint && $opt->s3_endpoint =~ /^http:/) ? 0 : 1,
-        });
+my $s3_us = Net::Amazon::S3->new(
+    { aws_access_key_id     => $aws_access_key_id,
+      aws_secret_access_key => $aws_secret_access_key,
+      retry                 => 1,
+    });
 
-    $releasesBucket = $s3->bucket($releasesBucketName) or die;
-
-    $s3_channels = Net::Amazon::S3->new(
-        { aws_access_key_id     => $aws_access_key_id,
-          aws_secret_access_key => $aws_secret_access_key,
-          $aws_session_token ? (aws_session_token => $aws_session_token) : (),
-          retry                 => 1,
-          $opt->s3_endpoint ? (host => $opt->s3_host) : (),
-          $opt->s3_endpoint ? (secure => ($opt->s3_endpoint =~ /^http:/) ? 0 : 1) : (),
-        });
-
-    $channelsBucket = $s3_channels->bucket($channelsBucketName) or die;
-}
+my $channelsBucket = $s3_us->bucket($channelsBucketName) or die;
 
 sub getStorePath {
     my ($jobName, $output) = @_;
@@ -152,12 +115,11 @@ sub copyManual {
         File::Path::remove_tree("$tmpDir/manual.tmp", {safe => 1});
     }
 
-    my $awsEndpoint = $opt->s3_endpoint ? "--endpoint-url " . $opt->s3_endpoint : "";
-    system("aws $awsEndpoint s3 sync '$tmpDir/manual' s3://$releasesBucketName/$releaseDir/manual") == 0
+    system("aws s3 sync '$tmpDir/manual' s3://$releasesBucketName/$releaseDir/manual") == 0
         or die "syncing manual to S3\n";
 }
 
-copyManual unless $opt->skip_s3;
+copyManual;
 
 sub downloadFile {
     my ($jobName, $productNr, $dstName) = @_;
@@ -196,12 +158,30 @@ sub downloadFile {
     return $sha256_expected;
 }
 
-# Upload docker images.
+downloadFile("binaryTarball.i686-linux", "1");
+downloadFile("binaryTarball.x86_64-linux", "1");
+downloadFile("binaryTarball.aarch64-linux", "1");
+downloadFile("binaryTarball.x86_64-darwin", "1");
+downloadFile("binaryTarball.aarch64-darwin", "1");
+eval {
+    downloadFile("binaryTarballCross.x86_64-linux.armv6l-unknown-linux-gnueabihf", "1");
+};
+warn "$@" if $@;
+eval {
+    downloadFile("binaryTarballCross.x86_64-linux.armv7l-unknown-linux-gnueabihf", "1");
+};
+warn "$@" if $@;
+eval {
+    downloadFile("binaryTarballCross.x86_64-linux.riscv64-unknown-linux-gnu", "1");
+};
+warn "$@" if $@;
+downloadFile("installerScript", "1");
+
+# Upload docker images to dockerhub.
 my $dockerManifest = "";
 my $dockerManifestLatest = "";
 my $haveDocker = 0;
 
-unless ($opt->skip_docker) {
 for my $platforms (["x86_64-linux", "amd64"], ["aarch64-linux", "arm64"]) {
     my $system = $platforms->[0];
     my $dockerPlatform = $platforms->[1];
@@ -215,8 +195,8 @@ for my $platforms (["x86_64-linux", "amd64"], ["aarch64-linux", "arm64"]) {
     print STDERR "loading docker image for $dockerPlatform...\n";
     system("docker load -i $tmpDir/$fn") == 0 or die;
 
-    my $tag = $opt->docker_owner . ":$version-$dockerPlatform";
-    my $latestTag = $opt->docker_owner . ":latest-$dockerPlatform";
+    my $tag = "nixos/nix:$version-$dockerPlatform";
+    my $latestTag = "nixos/nix:latest-$dockerPlatform";
 
     print STDERR "tagging $version docker image for $dockerPlatform...\n";
     system("docker tag nix:$version $tag") == 0 or die;
@@ -239,94 +219,68 @@ for my $platforms (["x86_64-linux", "amd64"], ["aarch64-linux", "arm64"]) {
 }
 
 if ($haveDocker) {
-    my $dockerOwner = $opt->docker_owner;
     print STDERR "creating multi-platform docker manifest...\n";
-    system("docker manifest rm $dockerOwner:$version");
-    system("docker manifest create $dockerOwner:$version $dockerManifest") == 0 or die;
+    system("docker manifest rm nixos/nix:$version");
+    system("docker manifest create nixos/nix:$version $dockerManifest") == 0 or die;
     if ($isLatest) {
         print STDERR "creating latest multi-platform docker manifest...\n";
-        system("docker manifest rm $dockerOwner:latest");
-        system("docker manifest create $dockerOwner:latest $dockerManifestLatest") == 0 or die;
+        system("docker manifest rm nixos/nix:latest");
+        system("docker manifest create nixos/nix:latest $dockerManifestLatest") == 0 or die;
     }
 
     print STDERR "pushing multi-platform docker manifest...\n";
-    system("docker manifest push $dockerOwner:$version") == 0 or die;
+    system("docker manifest push nixos/nix:$version") == 0 or die;
 
     if ($isLatest) {
         print STDERR "pushing latest multi-platform docker manifest...\n";
-        system("docker manifest push $dockerOwner:latest") == 0 or die;
+        system("docker manifest push nixos/nix:latest") == 0 or die;
     }
 }
-}
 
+# Upload nix-fallback-paths.nix.
+write_file("$tmpDir/fallback-paths.nix",
+    "{\n" .
+    "  x86_64-linux = \"" . getStorePath("build.nix-everything.x86_64-linux") . "\";\n" .
+    "  i686-linux = \"" . getStorePath("build.nix-everything.i686-linux") . "\";\n" .
+    "  aarch64-linux = \"" . getStorePath("build.nix-everything.aarch64-linux") . "\";\n" .
+    "  riscv64-linux = \"" . getStorePath("buildCross.nix-everything.riscv64-unknown-linux-gnu.x86_64-linux") . "\";\n" .
+    "  x86_64-darwin = \"" . getStorePath("build.nix-everything.x86_64-darwin") . "\";\n" .
+    "  aarch64-darwin = \"" . getStorePath("build.nix-everything.aarch64-darwin") . "\";\n" .
+    "}\n");
 
 # Upload release files to S3.
-unless ($opt->skip_s3) {
-    downloadFile("binaryTarball.i686-linux", "1");
-    downloadFile("binaryTarball.x86_64-linux", "1");
-    downloadFile("binaryTarball.aarch64-linux", "1");
-    downloadFile("binaryTarball.x86_64-darwin", "1");
-    downloadFile("binaryTarball.aarch64-darwin", "1");
-    eval {
-        downloadFile("binaryTarballCross.x86_64-linux.armv6l-unknown-linux-gnueabihf", "1");
-    };
-    warn "$@" if $@;
-    eval {
-        downloadFile("binaryTarballCross.x86_64-linux.armv7l-unknown-linux-gnueabihf", "1");
-    };
-    warn "$@" if $@;
-    eval {
-        downloadFile("binaryTarballCross.x86_64-linux.riscv64-unknown-linux-gnu", "1");
-    };
-    warn "$@" if $@;
-    downloadFile("installerScript", "1");
+for my $fn (glob "$tmpDir/*") {
+    my $name = basename($fn);
+    next if $name eq "manual";
+    my $dstKey = "$releaseDir/" . $name;
+    unless (defined $releasesBucket->head_key($dstKey)) {
+        print STDERR "uploading $fn to s3://$releasesBucketName/$dstKey...\n";
 
-    # Upload nix-fallback-paths.nix.
-    write_file("$tmpDir/fallback-paths.nix",
-        "{\n" .
-        "  x86_64-linux = \"" . getStorePath("build.nix-everything.x86_64-linux") . "\";\n" .
-        "  i686-linux = \"" . getStorePath("build.nix-everything.i686-linux") . "\";\n" .
-        "  aarch64-linux = \"" . getStorePath("build.nix-everything.aarch64-linux") . "\";\n" .
-        "  riscv64-linux = \"" . getStorePath("buildCross.nix-everything.riscv64-unknown-linux-gnu.x86_64-linux") . "\";\n" .
-        "  x86_64-darwin = \"" . getStorePath("build.nix-everything.x86_64-darwin") . "\";\n" .
-        "  aarch64-darwin = \"" . getStorePath("build.nix-everything.aarch64-darwin") . "\";\n" .
-        "}\n");
+        my $configuration = ();
+        $configuration->{content_type} = "application/octet-stream";
 
-    for my $fn (glob "$tmpDir/*") {
-        my $name = basename($fn);
-        next if $name eq "manual";
-        my $dstKey = "$releaseDir/" . $name;
-        unless (defined $releasesBucket->head_key($dstKey)) {
-            print STDERR "uploading $fn to s3://$releasesBucketName/$dstKey...\n";
-
-            my $configuration = ();
-            $configuration->{content_type} = "application/octet-stream";
-
-            if ($fn =~ /.sha256|install|\.nix$/) {
-                $configuration->{content_type} = "text/plain";
-            }
-
-            $releasesBucket->add_key_filename($dstKey, $fn, $configuration)
-                or die $releasesBucket->err . ": " . $releasesBucket->errstr;
+        if ($fn =~ /.sha256|install|\.nix$/) {
+            $configuration->{content_type} = "text/plain";
         }
-    }
 
-    # Update the "latest" symlink.
-    $channelsBucket->add_key(
-        "nix-latest/install", "",
-        { "x-amz-website-redirect-location" => "https://releases.nixos.org/$releaseDir/install" })
-        or die $channelsBucket->err . ": " . $channelsBucket->errstr
-        if $isLatest;
+        $releasesBucket->add_key_filename($dstKey, $fn, $configuration)
+            or die $releasesBucket->err . ": " . $releasesBucket->errstr;
+    }
 }
 
+# Update the "latest" symlink.
+$channelsBucket->add_key(
+    "nix-latest/install", "",
+    { "x-amz-website-redirect-location" => "https://releases.nixos.org/$releaseDir/install" })
+    or die $channelsBucket->err . ": " . $channelsBucket->errstr
+    if $isLatest;
+
 # Tag the release in Git.
-unless ($opt->skip_git) {
-    chdir($opt->project_root) or die "Cannot chdir to " . $opt->project_root . ": $!";
-    system("git remote update origin") == 0 or die;
-    system("git tag --force --sign $version $nixRev -m 'Tagging release $version'") == 0 or die;
-    system("git push origin refs/tags/$version") == 0 or die;
-    system("git push --force-with-lease origin $nixRev:refs/heads/latest-release") == 0 or die if $isLatest;
-}
+chdir("/home/eelco/Dev/nix-pristine") or die;
+system("git remote update origin") == 0 or die;
+system("git tag --force --sign $version $nixRev -m 'Tagging release $version'") == 0 or die;
+system("git push --tags") == 0 or die;
+system("git push --force-with-lease origin $nixRev:refs/heads/latest-release") == 0 or die if $isLatest;
 
 File::Path::remove_tree($narCache, {safe => 1});
 File::Path::remove_tree($tmpDir, {safe => 1});

packaging/dev-shell.nix

@@ -148,15 +148,6 @@ pkgs.nixComponents2.nix-util.overrideAttrs (
     isInternal =
       dep: internalDrvs ? ${builtins.unsafeDiscardStringContext dep.drvPath or "_non-existent_"};
 
-    activeComponentNames = lib.listToAttrs (
-      map (c: {
-        name = c.pname or c.name;
-        value = null;
-      }) activeComponents
-    );
-
-    isActiveComponent = name: activeComponentNames ? ${name};
-
   in
   {
     pname = "shell-for-nix";
@@ -199,19 +190,27 @@ pkgs.nixComponents2.nix-util.overrideAttrs (
           }
         );
 
-      small = finalAttrs.finalPackage.withActiveComponents (
-        c:
-        lib.intersectAttrs (lib.genAttrs [
-          "nix-cli"
-          "nix-util-tests"
-          "nix-store-tests"
-          "nix-expr-tests"
-          "nix-fetchers-tests"
-          "nix-flake-tests"
-          "nix-functional-tests"
-          "nix-perl-bindings"
-        ] (_: null)) c
-      );
+      small =
+        (finalAttrs.finalPackage.withActiveComponents (
+          c:
+          lib.intersectAttrs (lib.genAttrs [
+            "nix-cli"
+            "nix-util-tests"
+            "nix-store-tests"
+            "nix-expr-tests"
+            "nix-fetchers-tests"
+            "nix-flake-tests"
+            "nix-functional-tests"
+            "nix-perl-bindings"
+          ] (_: null)) c
+        )).overrideAttrs
+          (o: {
+            mesonFlags = o.mesonFlags ++ [
+              # TODO: infer from activeComponents or vice versa
+              "-Dkaitai-struct-checks=false"
+              "-Djson-schema-checks=false"
+            ];
+          });
     };
 
     # Remove the version suffix to avoid unnecessary attempts to substitute in nix develop
@@ -276,33 +275,21 @@ pkgs.nixComponents2.nix-util.overrideAttrs (
 
     dontUseCmakeConfigure = true;
 
-    mesonFlags = [
-      (lib.mesonBool "kaitai-struct-checks" (isActiveComponent "nix-kaitai-struct-checks"))
-      (lib.mesonBool "json-schema-checks" (isActiveComponent "nix-json-schema-checks"))
-    ]
-    ++ map (transformFlag "libutil") (ignoreCrossFile pkgs.nixComponents2.nix-util.mesonFlags)
-    ++ map (transformFlag "libstore") (ignoreCrossFile pkgs.nixComponents2.nix-store.mesonFlags)
-    ++ map (transformFlag "libfetchers") (ignoreCrossFile pkgs.nixComponents2.nix-fetchers.mesonFlags)
-    ++ lib.optionals havePerl (
-      map (transformFlag "perl") (ignoreCrossFile pkgs.nixComponents2.nix-perl-bindings.mesonFlags)
-    )
-    ++ map (transformFlag "libexpr") (ignoreCrossFile pkgs.nixComponents2.nix-expr.mesonFlags)
-    ++ map (transformFlag "libcmd") (ignoreCrossFile pkgs.nixComponents2.nix-cmd.mesonFlags);
+    mesonFlags =
+      map (transformFlag "libutil") (ignoreCrossFile pkgs.nixComponents2.nix-util.mesonFlags)
+      ++ map (transformFlag "libstore") (ignoreCrossFile pkgs.nixComponents2.nix-store.mesonFlags)
+      ++ map (transformFlag "libfetchers") (ignoreCrossFile pkgs.nixComponents2.nix-fetchers.mesonFlags)
+      ++ lib.optionals havePerl (
+        map (transformFlag "perl") (ignoreCrossFile pkgs.nixComponents2.nix-perl-bindings.mesonFlags)
+      )
+      ++ map (transformFlag "libexpr") (ignoreCrossFile pkgs.nixComponents2.nix-expr.mesonFlags)
+      ++ map (transformFlag "libcmd") (ignoreCrossFile pkgs.nixComponents2.nix-cmd.mesonFlags);
 
     nativeBuildInputs =
       let
         inputs =
           dedupByString (v: "${v}") (
-            lib.filter (x: !isInternal x) (
-              lib.lists.concatMap (
-                # Nix manual has a build-time dependency on nix, but we
-                # don't want to do a native build just to enter the ross
-                # dev shell.
-                #
-                # TODO: think of a more principled fix for this.
-                c: lib.filter (f: f.pname or null != "nix") c.nativeBuildInputs
-              ) activeComponents
-            )
+            lib.filter (x: !isInternal x) (lib.lists.concatMap (c: c.nativeBuildInputs) activeComponents)
           )
           ++ lib.optional (
             !buildCanExecuteHost
@@ -318,8 +305,8 @@ pkgs.nixComponents2.nix-util.overrideAttrs (
             pkgs.buildPackages.nixfmt-rfc-style
             pkgs.buildPackages.shellcheck
             pkgs.buildPackages.include-what-you-use
+            pkgs.buildPackages.gdb
           ]
-          ++ lib.optional pkgs.hostPlatform.isUnix pkgs.buildPackages.gdb
           ++ lib.optional (stdenv.cc.isClang && stdenv.hostPlatform == stdenv.buildPlatform) (
             lib.hiPrio pkgs.buildPackages.clang-tools
           )
@@ -335,13 +322,13 @@ pkgs.nixComponents2.nix-util.overrideAttrs (
       )
     );
 
-    buildInputs =
-      # TODO change Nixpkgs to mark gbenchmark as building on Windows
-      lib.optional pkgs.hostPlatform.isUnix pkgs.gbenchmark
-      ++ dedupByString (v: "${v}") (
-        lib.filter (x: !isInternal x) (lib.lists.concatMap (c: c.buildInputs) activeComponents)
-      )
-      ++ lib.optional havePerl pkgs.perl;
+    buildInputs = [
+      pkgs.gbenchmark
+    ]
+    ++ dedupByString (v: "${v}") (
+      lib.filter (x: !isInternal x) (lib.lists.concatMap (c: c.buildInputs) activeComponents)
+    )
+    ++ lib.optional havePerl pkgs.perl;
 
     propagatedBuildInputs = dedupByString (v: "${v}") (
       lib.filter (x: !isInternal x) (lib.lists.concatMap (c: c.propagatedBuildInputs) activeComponents)

src/libfetchers/git-utils.cc

@@ -1427,11 +1427,7 @@ namespace fetchers {
 
 ref<GitRepo> Settings::getTarballCache() const
 {
-    /* v1: Had either only loose objects or thin packfiles referring to loose objects
-     * v2: Must have only packfiles with no loose objects. Should get repacked periodically
-     * for optimal packfiles.
-     */
-    static auto repoDir = std::filesystem::path(getCacheDir()) / "tarball-cache-v2";
+    static auto repoDir = std::filesystem::path(getCacheDir()) / "tarball-cache";
     return GitRepo::openRepo(repoDir, /*create=*/true, /*bare=*/true, /*packfilesOnly=*/true);
 }
 

src/libstore/derivation-options.cc

@@ -341,8 +341,12 @@ DerivationOptions<SingleDerivedPath> derivationOptionsFromStructuredAttrs(
 
                 if (parsed) {
                     auto * e = optionalValueAt(parsed->structuredAttrs, "exportReferencesGraph");
-                    if (!e || !e->is_object())
+                    if (!e)
                         return ret;
+                    if (!e->is_object()) {
+                        warn("'exportReferencesGraph' in structured attrs is not a JSON object, ignoring");
+                        return ret;
+                    }
                     for (auto & [key, storePathsJson] : getObject(*e)) {
                         StringSet ss;
                         flatten(storePathsJson, ss);

src/libstore/derivations.cc

@@ -1489,6 +1489,8 @@ adl_serializer<DerivationOutput>::from_json(const json & _json, const Experiment
     }
 }
 
+static unsigned constexpr expectedJsonVersionDerivation = 4;
+
 void adl_serializer<Derivation>::to_json(json & res, const Derivation & d)
 {
     res = nlohmann::json::object();

src/libstore/include/nix/store/build/derivation-builder.hh

@@ -79,7 +79,7 @@ struct DerivationBuilderParams
      */
     const StorePathSet & inputPaths;
 
-    const std::map<std::string, InitialOutput> initialOutputs;
+    const std::map<std::string, InitialOutput> & initialOutputs;
 
     const BuildMode & buildMode;
 

src/libstore/include/nix/store/derivations.hh

@@ -586,12 +586,6 @@ void writeDerivation(Sink & out, const StoreDirConfig & store, const BasicDeriva
  */
 std::string hashPlaceholder(const OutputNameView outputName);
 
-/**
- * The expected JSON version for derivation serialization.
- * Used by `nix derivation show` and `nix derivation add`.
- */
-constexpr unsigned expectedJsonVersionDerivation = 4;
-
 } // namespace nix
 
 JSON_IMPL_WITH_XP_FEATURES(nix::DerivationOutput)

src/libstore/include/nix/store/globals.hh

@@ -1143,7 +1143,7 @@ public:
 
     Setting<std::string> netrcFile{
         this,
-        (nixConfDir / "netrc").string(),
+        fmt("%s/%s", nixConfDir, "netrc"),
         "netrc-file",
         R"(
           If set to an absolute path to a `netrc` file, Nix uses the HTTP

src/libstore/store-api.cc

@@ -454,8 +454,6 @@ void Store::querySubstitutablePathInfos(const StorePathCAMap & paths, Substituta
                         .downloadSize = narInfo ? narInfo->fileSize : 0,
                         .narSize = info->narSize,
                     });
-
-                break; /* We are done. */
             } catch (InvalidPath &) {
             } catch (SubstituterDisabled &) {
             } catch (Error & e) {

src/libstore/unix/build/derivation-builder.cc

@@ -678,17 +678,17 @@ static void handleChildException(bool sendException)
     }
 }
 
-static void checkNotWorldWritable(std::filesystem::path path)
+static bool checkNotWorldWritable(std::filesystem::path path)
 {
     while (true) {
         auto st = lstat(path);
         if (st.st_mode & S_IWOTH)
-            throw Error("Path %s is world-writable or a symlink. That's not allowed for security.", path);
+            return false;
         if (path == path.parent_path())
             break;
         path = path.parent_path();
     }
-    return;
+    return true;
 }
 
 std::optional<Descriptor> DerivationBuilderImpl::startBuild()
@@ -710,8 +710,9 @@ std::optional<Descriptor> DerivationBuilderImpl::startBuild()
 
     createDirs(buildDir);
 
-    if (buildUser)
-        checkNotWorldWritable(buildDir);
+    if (buildUser && !checkNotWorldWritable(buildDir))
+        throw Error(
+            "Path %s or a parent directory is world-writable or a symlink. That's not allowed for security.", buildDir);
 
     /* Create a temporary directory where the build will take
        place. */

src/libstore/unix/build/sandbox-network.sb

@@ -16,7 +16,6 @@ R""(
 
 ; Allow DNS lookups.
 (allow network-outbound (remote unix-socket (path-literal "/private/var/run/mDNSResponder")))
-(allow mach-lookup (global-name "com.apple.SystemConfiguration.DNSConfiguration"))
 
 ; Allow access to trustd.
 (allow mach-lookup (global-name "com.apple.trustd"))

src/libutil/file-system.cc

@@ -713,27 +713,17 @@ AutoCloseFD createAnonymousTempFile()
 {
     AutoCloseFD fd;
 #ifdef O_TMPFILE
-    static std::atomic_flag tmpfileUnsupported{};
-    if (!tmpfileUnsupported.test()) /* Try with O_TMPFILE first. */ {
-        /* Use O_EXCL, because the file is never supposed to be linked into filesystem. */
-        fd = ::open(defaultTempDir().c_str(), O_TMPFILE | O_CLOEXEC | O_RDWR | O_EXCL, S_IWUSR | S_IRUSR);
-        if (!fd) {
-            /* Not supported by the filesystem or the kernel. */
-            if (errno == EOPNOTSUPP || errno == EISDIR)
-                tmpfileUnsupported.test_and_set(); /* Set flag and fall through to createTempFile. */
-            else
-                throw SysError("creating anonymous temporary file");
-        } else {
-            return fd; /* Successfully created. */
-        }
-    }
-#endif
+    fd = ::open(defaultTempDir().c_str(), O_TMPFILE | O_CLOEXEC | O_RDWR, S_IWUSR | S_IRUSR);
+    if (!fd)
+        throw SysError("creating anonymous temporary file");
+#else
     auto [fd2, path] = createTempFile("nix-anonymous");
     if (!fd2)
         throw SysError("creating temporary file '%s'", path);
     fd = std::move(fd2);
-#ifndef _WIN32
+#  ifndef _WIN32
     unlink(requireCString(path)); /* We only care about the file descriptor. */
+#  endif
 #endif
     return fd;
 }

src/libutil/include/nix/util/meson.build

@@ -65,7 +65,6 @@ headers = files(
   'signals.hh',
   'signature/local-keys.hh',
   'signature/signer.hh',
-  'socket.hh',
   'sort.hh',
   'source-accessor.hh',
   'source-path.hh',

src/libutil/include/nix/util/socket.hh

@@ -1,61 +0,0 @@
-#pragma once
-///@file
-
-#include "nix/util/file-descriptor.hh"
-
-#ifdef _WIN32
-#  include <winsock2.h>
-#endif
-
-namespace nix {
-
-/**
- * Often we want to use `Descriptor`, but Windows makes a slightly
- * stronger file descriptor vs socket distinction, at least at the level
- * of C types.
- */
-using Socket =
-#ifdef _WIN32
-    SOCKET
-#else
-    int
-#endif
-    ;
-
-#ifdef _WIN32
-/**
- * Windows gives this a different name
- */
-#  define SHUT_WR SD_SEND
-#  define SHUT_RDWR SD_BOTH
-#endif
-
-/**
- * Convert a `Descriptor` to a `Socket`
- *
- * This is a no-op except on Windows.
- */
-static inline Socket toSocket(Descriptor fd)
-{
-#ifdef _WIN32
-    return reinterpret_cast<Socket>(fd);
-#else
-    return fd;
-#endif
-}
-
-/**
- * Convert a `Socket` to a `Descriptor`
- *
- * This is a no-op except on Windows.
- */
-static inline Descriptor fromSocket(Socket fd)
-{
-#ifdef _WIN32
-    return reinterpret_cast<Descriptor>(fd);
-#else
-    return fd;
-#endif
-}
-
-} // namespace nix

src/libutil/include/nix/util/unix-domain-socket.hh

@@ -3,8 +3,10 @@
 
 #include "nix/util/types.hh"
 #include "nix/util/file-descriptor.hh"
-#include "nix/util/socket.hh"
 
+#ifdef _WIN32
+#  include <winsock2.h>
+#endif
 #include <unistd.h>
 
 #include <filesystem>
@@ -21,6 +23,55 @@ AutoCloseFD createUnixDomainSocket();
  */
 AutoCloseFD createUnixDomainSocket(const Path & path, mode_t mode);
 
+/**
+ * Often we want to use `Descriptor`, but Windows makes a slightly
+ * stronger file descriptor vs socket distinction, at least at the level
+ * of C types.
+ */
+using Socket =
+#ifdef _WIN32
+    SOCKET
+#else
+    int
+#endif
+    ;
+
+#ifdef _WIN32
+/**
+ * Windows gives this a different name
+ */
+#  define SHUT_WR SD_SEND
+#  define SHUT_RDWR SD_BOTH
+#endif
+
+/**
+ * Convert a `Socket` to a `Descriptor`
+ *
+ * This is a no-op except on Windows.
+ */
+static inline Socket toSocket(Descriptor fd)
+{
+#ifdef _WIN32
+    return reinterpret_cast<Socket>(fd);
+#else
+    return fd;
+#endif
+}
+
+/**
+ * Convert a `Socket` to a `Descriptor`
+ *
+ * This is a no-op except on Windows.
+ */
+static inline Descriptor fromSocket(Socket fd)
+{
+#ifdef _WIN32
+    return reinterpret_cast<Descriptor>(fd);
+#else
+    return fd;
+#endif
+}
+
 /**
  * Bind a Unix domain socket to a path.
  */

src/libutil/serialise.cc

@@ -1,7 +1,6 @@
 #include "nix/util/serialise.hh"
 #include "nix/util/compression.hh"
 #include "nix/util/signals.hh"
-#include "nix/util/socket.hh"
 #include "nix/util/util.hh"
 
 #include <cstring>
@@ -12,6 +11,7 @@
 
 #ifdef _WIN32
 #  include <fileapi.h>
+#  include <winsock2.h>
 #  include "nix/util/windows-error.hh"
 #else
 #  include <poll.h>
@@ -184,20 +184,20 @@ bool FdSource::hasData()
     while (true) {
         fd_set fds;
         FD_ZERO(&fds);
-        Socket sock = toSocket(fd);
-        FD_SET(sock, &fds);
+        int fd_ = fromDescriptorReadOnly(fd);
+        FD_SET(fd_, &fds);
 
         struct timeval timeout;
         timeout.tv_sec = 0;
         timeout.tv_usec = 0;
 
-        auto n = select(sock + 1, &fds, nullptr, nullptr, &timeout);
+        auto n = select(fd_ + 1, &fds, nullptr, nullptr, &timeout);
         if (n < 0) {
             if (errno == EINTR)
                 continue;
             throw SysError("polling file descriptor");
         }
-        return FD_ISSET(sock, &fds);
+        return FD_ISSET(fd, &fds);
     }
 }
 

src/libutil/union-source-accessor.cc

@@ -35,18 +35,14 @@ struct UnionSourceAccessor : SourceAccessor
     DirEntries readDirectory(const CanonPath & path) override
     {
         DirEntries result;
-        bool exists = false;
         for (auto & accessor : accessors) {
             auto st = accessor->maybeLstat(path);
             if (!st)
                 continue;
-            exists = true;
             for (auto & entry : accessor->readDirectory(path))
                 // Don't override entries from previous accessors.
                 result.insert(entry);
         }
-        if (!exists)
-            throw FileNotFound("path '%s' does not exist", showPath(path));
         return result;
     }
 

src/nix/derivation-show.cc

@@ -60,11 +60,7 @@ struct CmdShowDerivation : InstallablesCommand, MixPrintJSON
 
             jsonRoot[drvPath.to_string()] = store->readDerivation(drvPath);
         }
-        printJSON(
-            nlohmann::json{
-                {"version", expectedJsonVersionDerivation},
-                {"derivations", std::move(jsonRoot)},
-            });
+        printJSON(jsonRoot);
     }
 };
 

src/nix/unix/daemon.cc

@@ -437,23 +437,22 @@ static void forwardStdioConnection(RemoteStore & store)
     int from = conn->from.fd;
     int to = conn->to.fd;
 
-    Socket fromSock = toSocket(from), stdinSock = toSocket(getStandardInput());
-    auto nfds = std::max(fromSock, stdinSock) + 1;
+    auto nfds = std::max(from, STDIN_FILENO) + 1;
     while (true) {
         fd_set fds;
         FD_ZERO(&fds);
-        FD_SET(fromSock, &fds);
-        FD_SET(stdinSock, &fds);
+        FD_SET(from, &fds);
+        FD_SET(STDIN_FILENO, &fds);
         if (select(nfds, &fds, nullptr, nullptr, nullptr) == -1)
             throw SysError("waiting for data from client or server");
-        if (FD_ISSET(fromSock, &fds)) {
+        if (FD_ISSET(from, &fds)) {
             auto res = splice(from, nullptr, STDOUT_FILENO, nullptr, SSIZE_MAX, SPLICE_F_MOVE);
             if (res == -1)
                 throw SysError("splicing data from daemon socket to stdout");
             else if (res == 0)
                 throw EndOfFile("unexpected EOF from daemon socket");
         }
-        if (FD_ISSET(stdinSock, &fds)) {
+        if (FD_ISSET(STDIN_FILENO, &fds)) {
             auto res = splice(STDIN_FILENO, nullptr, to, nullptr, SSIZE_MAX, SPLICE_F_MOVE);
             if (res == -1)
                 throw SysError("splicing data from stdin to daemon socket");

tests/functional/ca/derivation-json.sh

@@ -6,7 +6,7 @@ export NIX_TESTS_CA_BY_DEFAULT=1
 
 drvPath=$(nix-instantiate ../simple.nix)
 
-nix derivation show "$drvPath" | jq '.derivations[]' > "$TEST_HOME"/simple.json
+nix derivation show "$drvPath" | jq .[] > "$TEST_HOME"/simple.json
 
 drvPath2=$(nix derivation add < "$TEST_HOME"/simple.json)
 
@@ -27,5 +27,5 @@ drvPath4=$(nix derivation add < "$TEST_HOME"/foo.json)
 [[ -e "$drvPath3" ]]
 
 # The modified derivation read back as JSON matches
-nix derivation show "$drvPath3" | jq '.derivations[]' > "$TEST_HOME"/foo-read.json
+nix derivation show "$drvPath3" | jq .[] > "$TEST_HOME"/foo-read.json
 diff "$TEST_HOME"/foo.json "$TEST_HOME"/foo-read.json

tests/functional/derivation-json.sh

@@ -4,7 +4,7 @@ source common.sh
 
 drvPath=$(nix-instantiate simple.nix)
 
-nix derivation show "$drvPath" | jq '.derivations[]' > "$TEST_HOME/simple.json"
+nix derivation show "$drvPath" | jq '.[]' > "$TEST_HOME/simple.json"
 
 # Round tripping to JSON works
 drvPath2=$(nix derivation add < "$TEST_HOME/simple.json")

tests/functional/dyn-drv/recursive-mod-json.nix

@@ -18,7 +18,7 @@ mkDerivation rec {
     PATH=${builtins.getEnv "EXTRA_PATH"}:$PATH
 
     # JSON of pre-existing drv
-    nix derivation show $drv | jq '.derivations[]' > drv0.json
+    nix derivation show $drv | jq .[] > drv0.json
 
     # Fix name
     jq < drv0.json '.name = "${innerName}"' > drv1.json

tests/functional/impure-derivations.sh

@@ -16,7 +16,7 @@ printf 0 > "$TEST_ROOT"/counter
 
 # `nix derivation add` with impure derivations work
 drvPath=$(nix-instantiate ./impure-derivations.nix -A impure)
-nix derivation show "$drvPath" | jq '.derivations[]' > "$TEST_HOME"/impure-drv.json
+nix derivation show "$drvPath" | jq .[] > "$TEST_HOME"/impure-drv.json
 drvPath2=$(nix derivation add < "$TEST_HOME"/impure-drv.json)
 [[ "$drvPath" = "$drvPath2" ]]
 
@@ -50,8 +50,8 @@ path4=$(nix build -L --no-link --json --file ./impure-derivations.nix impureOnIm
 (! nix build -L --no-link --json --file ./impure-derivations.nix inputAddressed 2>&1) | grep 'depends on impure derivation'
 
 drvPath=$(nix eval --json --file ./impure-derivations.nix impure.drvPath | jq -r .)
-[[ $(nix derivation show "$drvPath" | jq ".derivations[\"$(basename "$drvPath")\"].outputs.out.impure") = true ]]
-[[ $(nix derivation show "$drvPath" | jq ".derivations[\"$(basename "$drvPath")\"].outputs.stuff.impure") = true ]]
+[[ $(nix derivation show "$drvPath" | jq ".[\"$(basename "$drvPath")\"].outputs.out.impure") = true ]]
+[[ $(nix derivation show "$drvPath" | jq ".[\"$(basename "$drvPath")\"].outputs.stuff.impure") = true ]]
 
 # Fixed-output derivations *can* depend on impure derivations.
 path5=$(nix build -L --no-link --json --file ./impure-derivations.nix contentAddressed | jq -r .[].outputs.out)

tests/functional/lang/eval-fail-readDir-nonexistent-1.err.exp

@@ -1,16 +0,0 @@
-error:
-       … while evaluating the attribute 'absolutePath'
-         at /pwd/lang/eval-fail-readDir-nonexistent-1.nix:2:3:
-            1| {
-            2|   absolutePath = builtins.readDir /this/path/really/should/not/exist;
-             |   ^
-            3| }
-
-       … while calling the 'readDir' builtin
-         at /pwd/lang/eval-fail-readDir-nonexistent-1.nix:2:18:
-            1| {
-            2|   absolutePath = builtins.readDir /this/path/really/should/not/exist;
-             |                  ^
-            3| }
-
-       error: path '/this/path/really/should/not/exist' does not exist

tests/functional/lang/eval-fail-readDir-nonexistent-1.nix

@@ -1,3 +0,0 @@
-{
-  absolutePath = builtins.readDir /this/path/really/should/not/exist;
-}

tests/functional/lang/eval-fail-readDir-nonexistent-2.err.exp

@@ -1,16 +0,0 @@
-error:
-       … while evaluating the attribute 'relativePath'
-         at /pwd/lang/eval-fail-readDir-nonexistent-2.nix:2:3:
-            1| {
-            2|   relativePath = builtins.readDir ./this/path/really/should/not/exist;
-             |   ^
-            3| }
-
-       … while calling the 'readDir' builtin
-         at /pwd/lang/eval-fail-readDir-nonexistent-2.nix:2:18:
-            1| {
-            2|   relativePath = builtins.readDir ./this/path/really/should/not/exist;
-             |                  ^
-            3| }
-
-       error: path '/pwd/lang/this/path/really/should/not/exist' does not exist

tests/functional/lang/eval-fail-readDir-nonexistent-2.nix

@@ -1,3 +0,0 @@
-{
-  relativePath = builtins.readDir ./this/path/really/should/not/exist;
-}

tests/functional/lang/eval-fail-readDir-not-a-directory-1.err.exp

@@ -1,16 +0,0 @@
-error:
-       … while evaluating the attribute 'regularFile'
-         at /pwd/lang/eval-fail-readDir-not-a-directory-1.nix:2:3:
-            1| {
-            2|   regularFile = builtins.readDir ./readDir/bar;
-             |   ^
-            3| }
-
-       … while calling the 'readDir' builtin
-         at /pwd/lang/eval-fail-readDir-not-a-directory-1.nix:2:17:
-            1| {
-            2|   regularFile = builtins.readDir ./readDir/bar;
-             |                 ^
-            3| }
-
-       error: cannot read directory "/pwd/lang/readDir/bar": Not a directory

tests/functional/lang/eval-fail-readDir-not-a-directory-1.nix

@@ -1,3 +0,0 @@
-{
-  regularFile = builtins.readDir ./readDir/bar;
-}

tests/functional/lang/eval-fail-readDir-not-a-directory-2.err.exp

@@ -1,16 +0,0 @@
-error:
-       … while evaluating the attribute 'symlinkedRegularFile'
-         at /pwd/lang/eval-fail-readDir-not-a-directory-2.nix:2:3:
-            1| {
-            2|   symlinkedRegularFile = builtins.readDir ./readDir/linked;
-             |   ^
-            3| }
-
-       … while calling the 'readDir' builtin
-         at /pwd/lang/eval-fail-readDir-not-a-directory-2.nix:2:26:
-            1| {
-            2|   symlinkedRegularFile = builtins.readDir ./readDir/linked;
-             |                          ^
-            3| }
-
-       error: cannot read directory "/pwd/lang/readDir/foo/git-hates-directories": Not a directory

tests/functional/lang/eval-fail-readDir-not-a-directory-2.nix

@@ -1,3 +0,0 @@
-{
-  symlinkedRegularFile = builtins.readDir ./readDir/linked;
-}

tests/functional/lang/eval-okay-readDir-symlinked-directory.exp

@@ -1 +0,0 @@
-{ git-hates-directories = "regular"; }

tests/functional/lang/eval-okay-readDir-symlinked-directory.nix

@@ -1 +0,0 @@
-builtins.readDir ./readDir/ldir

tests/functional/structured-attrs.sh

@@ -49,4 +49,4 @@ expectStderr 0 nix-instantiate --expr "$hackyExpr" --eval --strict | grepQuiet "
 
 # Check it works with the expected structured attrs
 hacky=$(nix-instantiate --expr "$hackyExpr")
-nix derivation show "$hacky" | jq --exit-status '.derivations."'"$(basename "$hacky")"'".structuredAttrs | . == {"a": 1}'
+nix derivation show "$hacky" | jq --exit-status '."'"$(basename "$hacky")"'".structuredAttrs | . == {"a": 1}'