X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ian/git?a=blobdiff_plain;f=tg.sh;h=afdcdda73465812fdf9c260ba10c202aef4515d1;hb=9ed64d4ec9cb0f9dca2a97d5607ae90dc1a06033;hp=93e051e074a9c1392fadf6beebdcaf065a7cac6f;hpb=4922baa85708a319708f8318d83403eea3c6972a;p=topgit.git

diff --git a/tg.sh b/tg.sh
index 93e051e..afdcdda 100644
--- a/tg.sh
+++ b/tg.sh
@@ -222,7 +222,7 @@ do_help()
 			sep="|"
 		done
 
-		echo "TopGit v0.4 - A different patch queue manager"
+		echo "TopGit v0.5 - A different patch queue manager"
 		echo "Usage: tg [-r REMOTE] ($cmds|help) ..."
 	elif [ -r "@cmddir@"/tg-$1 ] ; then
 		@cmddir@/tg-$1 -h || :
@@ -236,6 +236,11 @@ do_help()
 }
 
 
+## Startup
+
+[ -d "@cmddir@" ] ||
+	die "No command directory: '@cmddir@'"
+
 ## Initial setup
 
 set -e
@@ -249,9 +254,6 @@ tg="tg"
 setup_ours
 setup_hook "pre-commit"
 
-[ -d "@cmddir@" ] ||
-	die "No command directory: '@cmddir@'"
-
 ## Dispatch
 
 # We were sourced from another script for our utility functions;
@@ -259,18 +261,24 @@ setup_hook "pre-commit"
 [ -z "$tg__include" ] || return 0
 
 if [ "$1" = "-r" ]; then
-	shift; base_remote="$1"; shift
+	shift
+	if [ -z "$1" ]; then
+		echo "Option -r requires an argument." >&2
+		do_help
+		exit 1
+	fi
+	base_remote="$1"; shift
 	tg="$tg -r $base_remote"
 fi
 
 cmd="$1"
-[ -n "$cmd" ] || die "He took a duck in the face at two hundred and fifty knots"
+[ -n "$cmd" ] || { do_help; exit 1; }
 shift
 
 case "$cmd" in
 help|--help|-h)
 	do_help "$1"
-	exit 1;;
+	exit 0;;
 --hooks-path)
 	# Internal command
 	echo "@hooksdir@";;