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fix: Treat empty XDG_RUNTIME_DIR as unset

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See preceding commit. Not observed in the wild, but is sensible
and consistent with TMPDIR behavior.

(cherry picked from commit b9e7f5aa2d)
This commit is contained in:
Robert Hensing 2024-03-24 00:34:21 +01:00
parent 1a336bf865
commit c1f69dfc5e
1 changed files with 3 additions and 2 deletions
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5
src/nix-build/nix-build.cc
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@ -457,8 +457,9 @@ static void main_nix_build(int argc, char * * argv)
// Set the environment.
auto env = getEnv();
auto tmp = getEnv("TMPDIR");
if (!tmp || tmp->empty()) tmp = getEnv("XDG_RUNTIME_DIR").value_or("/tmp");
auto tmp = getEnvNonEmpty("TMPDIR");
if (!tmp)
tmp = getEnvNonEmpty("XDG_RUNTIME_DIR").value_or("/tmp");
if (pure) {
decltype(env) newEnv;