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On macOS, don't use /var/folders for TMPDIR

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This broke "nix-store --serve".

(cherry picked from commit 25230a17a9)
This commit is contained in:
Eelco Dolstra 2017-06-12 17:43:19 +02:00
parent c33854513a
commit 36f363b8f0
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GPG key ID: 8170B4726D7198DE
1 changed files with 8 additions and 0 deletions
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8
src/libmain/shared.cc
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@ -162,6 +162,14 @@ void initNix()
if (char *pack = getenv("_NIX_OPTIONS")) if (char *pack = getenv("_NIX_OPTIONS"))
settings.unpack(pack); settings.unpack(pack);
/* 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 (getuid() == 0 && hasPrefix(getEnv("TMPDIR"), "/var/folders/"))
unsetenv("TMPDIR");
#endif
} }