X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ian/git?p=topgit.git;a=blobdiff_plain;f=tg-depend.sh;h=eeb76cd1202dc82fc34c2448821a11d6364cab68;hp=af78808805449428ca0db06a2c5076ae116ac6a2;hb=fde494fdb3a1606f68a410e789e4f930a68b5df0;hpb=d272e32afc116764cf2afc1033320953466f5ed5

diff --git a/tg-depend.sh b/tg-depend.sh
index af78808..eeb76cd 100644
--- a/tg-depend.sh
+++ b/tg-depend.sh
@@ -8,8 +8,16 @@ name=
 
 ## Parse options
 
-subcmd="$1"; shift
-[ "$subcmd" = "add" ] || die "unknown subcommand ($subcmd)"
+subcmd="$1"; shift || :
+case "$subcmd" in
+	-h|"")
+		echo "Usage: tg [...] depend add NAME" >&2
+		exit 1;;
+	add)
+		;;
+	*)
+		die "unknown subcommand ($subcmd)";;
+esac
 
 while [ -n "$1" ]; do
 	arg="$1"; shift