if entry1 == nil {
			checkMode(entry2)
			diffs = append(diffs, "+ "+formatEntry(entry2))
			continue
		}
		if formatEntry(entry1) != formatEntry(entry2) {
			diffs = append(diffs, "- "+formatEntry(entry1), "+ "+formatEntry(entry2))
		}
		delete(old, entry2.Name())
	}
	for _, entry1 := range old {
		diffs = append(diffs, "- "+formatEntry(entry1))
	}

	if len(diffs) == 0 {
		return
	}