[PATCH] Add -m <message> option to "git tag"

Allow users to create a tag message by passing message on command line
instead of requiring an $EDITOR session.

Signed-off-by: Chris Wright <chrisw@osdl.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>

git-tag-script

@@ -4,13 +4,14 @@
 . git-sh-setup-script || die "Not a git archive"
 
 usage () {
-    echo >&2 "Usage: git-tag-script [-a | -s] [-f] tagname"
+    echo >&2 "Usage: git-tag-script [-a | -s] [-f] [-m "tag message"] tagname"
     exit 1
 }
 
 annotate=
 signed=
 force=
+message=
 while case "$#" in 0) break ;; esac
 do
     case "$1" in
@@ -24,6 +25,11 @@ do
     -f)
 	force=1
 	;;
+    -m)
+    	annotate=1
+	shift
+	message="$1"
+	;;
     -*)
         usage
 	;;
@@ -48,10 +54,14 @@ tagger=$(git-var GIT_COMMITTER_IDENT) || exit 1
 trap 'rm -f .tmp-tag* .tagmsg .editmsg' 0
 
 if [ "$annotate" ]; then
+    if [ -z "$message" ]; then
         ( echo "#"
           echo "# Write a tag message"
           echo "#" ) > .editmsg
         ${VISUAL:-${EDITOR:-vi}} .editmsg || exit
+    else
+        echo "$message" > .editmsg
+    fi
 
     grep -v '^#' < .editmsg | git-stripspace > .tagmsg