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test(head): don't pass the runner's environment to the unprivileged child #705

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Merged
matt-dz merged 1 commit into from
Oct 28, 2026
Merged

test(head): don't pass the runner's environment to the unprivileged child #705

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4 changes: 3 additions & 1 deletion builtins/head/head_unix_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -70,7 +70,9 @@ func TestHeadPermissionDenied(t *testing.T) {

command := exec.Command(childExecutable, "-test.run=^TestHeadPermissionDenied$", "-test.v")
command.Dir = dir
command.Env = append(os.Environ(), "TMPDIR="+dir)
// Don't inherit the test runner's environment: under Bazel it points the
// child at root-owned coverage, XML report and runfiles paths.
command.Env = []string{"PATH=" + os.Getenv("PATH"), "TMPDIR=" + dir}
command.SysProcAttr = &syscall.SysProcAttr{
Credential: &syscall.Credential{Uid: 65534, Gid: 65534},
}
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