custom-chroot: support --help

diff --git a/.bin/custom-chroot b/.bin/custom-chroot
index 66613bcfd7b09d02a0111fd6926893b2e416b1cf..8a3fc619c763c8d0eaad824284082d63db06d6e1 100755 (executable)
--- a/.bin/custom-chroot
+++ b/.bin/custom-chroot
@@ -110,7 +110,7 @@ main() {
                -u) cmd='umount' ;;
                -m) mounts+=( "$2" ); shift ;;
                -d) chroot=$(realpath "$2"); shift ;;
-               -h) usage ;;
+               --help|-h) usage ;;
                -*) echo "${0##*/}: unknown option $1"; exit 1 ;;
                *)  break ;;
                esac