dracut-lib.sh: getarg() returns the value of the last argument

a=0 a=1 a=2
$(getarg a) == "2"

diff --git a/modules.d/99base/dracut-lib.sh b/modules.d/99base/dracut-lib.sh
index 2624f7dbf7f7f7e0476630682ad3d3020aeed448..8fbee70c52f603a208f169a4304289c792746676 100755 (executable)
--- a/modules.d/99base/dracut-lib.sh
+++ b/modules.d/99base/dracut-lib.sh
@@ -18,8 +18,9 @@ getarg() {
     fi
     for o in $CMDLINE; do
        [ "$o" = "$1" ] && { [ "$RDDEBUG" = "yes" ] && set -x; return 0; }
-       [ "${o%%=*}" = "${1%=}" ] && { echo ${o#*=}; [ "$RDDEBUG" = "yes" ] && set -x; return 0; }
+        [ "${o%%=*}" = "${1%=}" ] && val=${o#*=};
     done
+    [ -n "$val" ] && { echo $val; [ "$RDDEBUG" = "yes" ] && set -x; return 0; }
     [ "$RDDEBUG" = "yes" ] && set -x 
     return 1
 }