X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ian/git?a=blobdiff_plain;f=tg.sh;h=03a392b7ad2703e6975297c85c7290fdcf5433e6;hb=db4bc100e4afd0e405443f5bab4a242b989a6a64;hp=e7c42cd6b8f27cfad9975461ad884150d75cde98;hpb=695384ea024bfbb58c15b1be79d959628d70364e;p=topgit.git

diff --git a/tg.sh b/tg.sh
index e7c42cd..03a392b 100644
--- a/tg.sh
+++ b/tg.sh
@@ -148,6 +148,19 @@ switch_to_base()
 	git symbolic-ref HEAD "$_base"
 }
 
+# Show the help messages.
+do_help()
+{
+	if [ -z "$1" ] ; then
+		echo "TopGit v0.1 - A different patch queue manager"
+		echo "Usage: tg (create|delete|info|patch|summary|update|help) ..."
+	elif [ -f "@sharedir@/tg-$1.txt" ] ; then
+		cat "@sharedir@/tg-$1.txt"
+	else
+		echo "`basename $0`: no help for $1" 1>&2
+	fi
+}
+
 
 ## Initial setup
 
@@ -171,8 +184,7 @@ shift
 
 case "$cmd" in
 help)
-	echo "TopGit v0.1 - A different patch queue manager"
-	echo "Usage: tg (create|delete|info|patch|summary|update|help) ..."
+	do_help "$1"
 	exit 1;;
 create|delete|info|patch|summary|update)
 	. "@cmddir@"/tg-$cmd;;