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Move macOS TMPDIR hack from initNix to initLibStore

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This code is bad. We shouldn't unset variables in programs whose
children may need them. Fixing one issue at a time, so postponing.
See https://github.com/NixOS/nix/issues/7731

Part of an effort to make it easier to initialize the right things,
by moving code into the appropriate libraries.
This commit is contained in:
Robert Hensing 2023-02-01 17:35:28 +01:00
parent e706ffa007
commit 52d6ce6515
2 changed files with 8 additions and 8 deletions
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8
src/libmain/shared.cc
View file

@ -169,14 +169,6 @@ void initNix()
gettimeofday(&tv, 0);
srandom(tv.tv_usec);
/* On macOS, don't use the per-session TMPDIR (as set e.g. by
sshd). This breaks build users because they don't have access
to the TMPDIR, in particular in ‘nix-store --serve’. */
#if __APPLE__
if (hasPrefix(getEnv("TMPDIR").value_or("/tmp"), "/var/folders/"))
unsetenv("TMPDIR");
#endif
}

8
src/libstore/globals.cc
View file

@ -343,6 +343,14 @@ void initLibStore() {
preloadNSS();
/* On macOS, don't use the per-session TMPDIR (as set e.g. by
sshd). This breaks build users because they don't have access
to the TMPDIR, in particular in ‘nix-store --serve’. */
#if __APPLE__
if (hasPrefix(getEnv("TMPDIR").value_or("/tmp"), "/var/folders/"))
unsetenv("TMPDIR");
#endif
initLibStoreDone = true;
}