Function changeGroupGID

pkgcache/cache_setup.go:510–521

(groupName, oldGID, requiredGID string)

}

func changeGroupGID(groupName, oldGID, requiredGID string) error {
	if err := ensureGroupIDUnused(requiredGID, groupName); err != nil {
		return err
	}

	if output, err := cmd.NewExecutor("", "groupmod", "-g", requiredGID, groupName).ExecuteOutput(); err != nil {
		return fmt.Errorf("failed to change %s group gid from %s to %s -> %s -> %w", groupName, oldGID, requiredGID, output, err)
	}

	color.PrintHint("✔ change system group %s gid from %s to %s", groupName, oldGID, requiredGID)
	return nil
}

func removeSystemGroupAndUser(username string) error {
	// If the user is still in the group, groupdel may fail or leave the system in an inconsistent state.