tg mail -r MSGID: Generate In-reply-to header

[topgit.git] / tg-depend.sh

diff --git a/tg-depend.sh b/tg-depend.sh
index af78808805449428ca0db06a2c5076ae116ac6a2..eeb76cd1202dc82fc34c2448821a11d6364cab68 100644 (file)
--- 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