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fix: Treat empty TMPDIR as unset

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Fixes an instance of

    nix: src/libutil/util.cc:139: nix::Path nix::canonPath(PathView, bool): Assertion `path != ""' failed.

... which I've been getting in one of my shells for some reason.
I have yet to find out why TMPDIR was empty, but it's no reason for
Nix to break.
This commit is contained in:
Robert Hensing 2024-03-22 22:41:50 +01:00
parent a223280664
commit c3fb2aa1f9
4 changed files with 12 additions and 4 deletions
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2
src/libstore/globals.cc
View file

@ -415,7 +415,7 @@ void initLibStore() {
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/"))
if (hasPrefix(defaultTempDir(), "/var/folders/"))
unsetenv("TMPDIR");
#endif