A shepherd for your Appimages.
rollback: undo on failure
Aly Raffauf
(Jun 19, 2026, 3:40 AM EDT)
36d1bcca
ffccce28
+7
+7
internal/appherder/rollback.go
+7
internal/appherder/rollback.go
···
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return fmt.Errorf("check saved version %q: %w", version, err)
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}
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+
// Track where the current binary was moved so we can put it back if the
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+
// second rename fails.
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+
var movedCurrentTo string
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if _, err := os.Stat(current); err == nil {
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currentVersion := readAppImageVersion(current)
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currentSaved := filepath.Join(versionsDir, currentVersion+".appimage")
···
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if err := os.Rename(current, currentSaved); err != nil {
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return fmt.Errorf("save current version before rollback: %w", err)
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}
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+
movedCurrentTo = currentSaved
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}
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}
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if err := os.Rename(saved, current); err != nil {
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+
if movedCurrentTo != "" {
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+
os.Rename(movedCurrentTo, current) //nolint:errcheck
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+
}
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return fmt.Errorf("restore version %s: %w", version, err)
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}
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if err := os.Chmod(current, 0o755); err != nil {