git-am: fix up new -s

1 files changed, 5 insertions, 2 deletions

diff --git a/git-am.sh b/git-am.sh
index b26eaec28b..7ffcde3279 100755
--- a/git-am.sh
+++ b/git-am.sh
@@ -8,6 +8,7 @@ OPTIONS_STUCKLONG=t
 if test "$(git config --bool --get am.signoff)" = true
 then
     signoff="="
+    signoff_pattern="=*"
 fi
 OPTIONS_SPEC="\
 git am [options] [(<mbox>|<Maildir>)...]
@@ -401,9 +402,11 @@ it will be removed. Please do not use it anymore."
 		;;
 	-3|--3way)
 		threeway=t ;;
-	-s|--signoff)
+	-s$signoff_pattern|--signoff$signoff_pattern)
 		sign=t
-		ack=$2
+		ack=$1
+		ack="${ack#-s=}"
+		ack="${ack#--signoff=}"
 		acks=$(git config --get-all am.${ack}.signoff)
 		if test "acks"
 		then