MSYS2-packages/msys2-runtime/0028-Cygwin-make-option-for-native-inner-link-handling.patch
2024-05-03 16:05:45 +02:00

53 lines
2.2 KiB
Diff

From 216a27d7c8d7fefcbdc5409ba405621d0a8e1d9d Mon Sep 17 00:00:00 2001
From: Jeremy Drake <github@jdrake.com>
Date: Thu, 22 Jul 2021 11:59:16 -0700
Subject: [PATCH 28/N] Cygwin: make option for native inner link handling.
This code has been causing issues with SUBST and mapped network drives,
so add an option (defaulted to on) which can be used to disable it where
needed. MSYS=nonativeinnerlinks
---
winsup/cygwin/environ.cc | 1 +
winsup/cygwin/globals.cc | 1 +
winsup/cygwin/path.cc | 3 ++-
3 files changed, 4 insertions(+), 1 deletion(-)
diff --git a/winsup/cygwin/environ.cc b/winsup/cygwin/environ.cc
index 299c692..37da358 100644
--- a/winsup/cygwin/environ.cc
+++ b/winsup/cygwin/environ.cc
@@ -123,6 +123,7 @@ static struct parse_thing
{"error_start", {func: error_start_init}, isfunc, NULL, {{0}, {0}}},
{"export", {&export_settings}, setbool, NULL, {{false}, {true}}},
{"glob", {func: glob_init}, isfunc, NULL, {{0}, {s: "normal"}}},
+ {"nativeinnerlinks", {&nativeinnerlinks}, setbool, NULL, {{false}, {true}}},
{"pipe_byte", {&pipe_byte}, setbool, NULL, {{false}, {true}}},
{"proc_retry", {func: set_proc_retry}, isfunc, NULL, {{0}, {5}}},
{"reset_com", {&reset_com}, setbool, NULL, {{false}, {true}}},
diff --git a/winsup/cygwin/globals.cc b/winsup/cygwin/globals.cc
index b3b77de..ab2c205 100644
--- a/winsup/cygwin/globals.cc
+++ b/winsup/cygwin/globals.cc
@@ -74,6 +74,7 @@ bool wincmdln = true;
winsym_t allow_winsymlinks = WSYM_deepcopy;
bool disable_pcon;
bool winjitdebug = false;
+bool nativeinnerlinks = true;
/* Taken from BSD libc:
This variable is zero until a process has created a pthread. It is used
diff --git a/winsup/cygwin/path.cc b/winsup/cygwin/path.cc
index 36f2a73..8806e59 100644
--- a/winsup/cygwin/path.cc
+++ b/winsup/cygwin/path.cc
@@ -3724,7 +3724,8 @@ restart:
differ, return the final path as symlink content and set symlen
to a negative value. This forces path_conv::check to restart
symlink evaluation with the new path. */
- if ((pc_flags & (PC_SYM_FOLLOW | PC_SYM_NOFOLLOW_REP)) == PC_SYM_FOLLOW)
+ if (nativeinnerlinks
+ && (pc_flags & (PC_SYM_FOLLOW | PC_SYM_NOFOLLOW_REP)) == PC_SYM_FOLLOW)
{
PWCHAR fpbuf = tp.w_get ();
DWORD ret;