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Skip TestExtractAndReplacePreservesSpecialModeBits when setgid is not permitted #534

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Merged
purcell merged 1 commit into from
Oct 5, 2026
Merged

Skip TestExtractAndReplacePreservesSpecialModeBits when setgid is not permitted #534

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8 changes: 7 additions & 1 deletion internal/update/extract_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,7 @@ import (
"archive/tar"
"archive/zip"
"compress/gzip"
"errors"
"os"
"path/filepath"
goruntime "runtime"
Expand Down Expand Up @@ -331,7 +332,12 @@ func TestExtractAndReplacePreservesSpecialModeBits(t *testing.T) {
t.Skip("no Unix mode bits on Windows")
}
_, exePath := newInstallDir(t, map[string]string{lstkBinaryName(): "old lstk"})
require.NoError(t, os.Chmod(exePath, 0o755|os.ModeSetgid))
if err := os.Chmod(exePath, 0o755|os.ModeSetgid); errors.Is(err, os.ErrPermission) {
// e.g. a build sandbox where the process isn't in the file's group
t.Skipf("not permitted to set setgid: %v", err)
} else {
require.NoError(t, err)
}
if info, err := os.Stat(exePath); err != nil || info.Mode()&os.ModeSetgid == 0 {
t.Skip("filesystem does not support setgid on files")
}
Expand Down
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