revision.c: fix "dense" under --remove-empty

diff --git a/git-am.sh b/git-am.sh
index 4232e27411036e339f8102e45b7cb699c808a798..679045a540c60e747074a9127bb7003f8a510b1c 100755 (executable)
--- a/git-am.sh
+++ b/git-am.sh
@@ -97,7 +97,7 @@ while case "$#" in 0) break;; esac
 do
        case "$1" in
        -d=*|--d=*|--do=*|--dot=*|--dote=*|--dotes=*|--dotest=*)
-       dotest=`expr "$1" : '-[^=]*=\(.*\)'`; shift ;;
+       dotest=`expr "z$1" : 'z-[^=]*=\(.*\)'`; shift ;;
        -d|--d|--do|--dot|--dote|--dotes|--dotest)
        case "$#" in 1) usage ;; esac; shift
        dotest="$1"; shift;;