contrib: use --help and -h for usage information

FossilOrigin-Name: 43f55b077d3feb3e4bc42d72a58cadedbe7f387cedf01d2e59308c35f6afb484

1 files changed, 6 insertions, 3 deletions

diff --git a/contrib/kiss-orphans b/contrib/kiss-orphans
index d8f6776..7ffc939 100755
--- a/contrib/kiss-orphans
+++ b/contrib/kiss-orphans
@@ -1,6 +1,12 @@
 #!/bin/sh -e
 # List orphaned packages
 
+case "$1" in ''|--help|-h)
+    printf '\033[1;33m-> \033[m%s\n' \
+    "${0##*/}: lists packages that do not have any packages depending on them" >&2
+    exit 0
+esac
+
 cd "$KISS_ROOT/var/db/kiss/installed/"
 
 for pkg in *; do
@@ -12,6 +18,3 @@ for pkg in *; do
 
     grep -q "^$pkg$" ./*/depends || printf '%s\n' "$pkg"
 done
-
-printf '\033[1;33m-> \033[m%s\n' "kiss-orphans: lists packages that do not" \
-       "have any packages depending on them" >&2