X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ian/git?a=blobdiff_plain;f=tg.sh;h=afdcdda73465812fdf9c260ba10c202aef4515d1;hb=9ed64d4ec9cb0f9dca2a97d5607ae90dc1a06033;hp=545e1b8ec3d228cc2569090e651793dc45b77397;hpb=e7027d8adf2de0e318160fe1062c19c6a088c241;p=topgit.git

diff --git a/tg.sh b/tg.sh
index 545e1b8..afdcdda 100644
--- a/tg.sh
+++ b/tg.sh
@@ -222,30 +222,38 @@ do_help()
 			sep="|"
 		done
 
-		echo "TopGit v0.3 - A different patch queue manager"
+		echo "TopGit v0.5 - A different patch queue manager"
 		echo "Usage: tg [-r REMOTE] ($cmds|help) ..."
-	elif [ -r "@sharedir@/tg-$1.txt" ] ; then
-		cat "@sharedir@/tg-$1.txt"
+	elif [ -r "@cmddir@"/tg-$1 ] ; then
+		@cmddir@/tg-$1 -h || :
+		echo
+		if [ -r "@sharedir@/tg-$1.txt" ] ; then
+			cat "@sharedir@/tg-$1.txt"
+		fi
 	else
 		echo "`basename $0`: no help for $1" 1>&2
 	fi
 }
 
 
+## Startup
+
+[ -d "@cmddir@" ] ||
+	die "No command directory: '@cmddir@'"
+
 ## Initial setup
 
 set -e
 git_dir="$(git rev-parse --git-dir)"
 root_dir="$(git rev-parse --show-cdup)"; root_dir="${root_dir:-.}"
+# Make sure root_dir doesn't end with a trailing slash.
+root_dir="${root_dir%/}"
 base_remote="$(git config topgit.remote 2>/dev/null)" || :
 tg="tg"
 # make sure merging the .top* files will always behave sanely
 setup_ours
 setup_hook "pre-commit"
 
-[ -d "@cmddir@" ] ||
-	die "No command directory: '@cmddir@'"
-
 ## Dispatch
 
 # We were sourced from another script for our utility functions;
@@ -253,18 +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@";;