lxc-local: add --mapped-{g,u}id flags

templates/lxc-local.in

@@ -69,7 +69,8 @@ LXC internal arguments (do not pass manually!):
 [ --name <name> ]: The container name
 [ --path <path> ]: The path to the container
 [ --rootfs <rootfs> ]: The path to the container's rootfs
-
+[ --mapped-uid <map> ]: A uid map (user namespaces)
+[ --mapped-gid <map> ]: A gid map (user namespaces)
 EOF
   return 0
 }
@@ -88,6 +89,8 @@ while :; do
     --rootfs)      LXC_ROOTFS="$2"; shift 2;;
     -m|--metadata) LXC_CONFIG="$2"; shift 2;;
     -f|--fstree)   LXC_FSTREE="$2"; shift 2;;
+    --mapped-uid)  LXC_MAPPED_UID="$2"; shift 2;;
+    --mapped-gid)  LXC_MAPPED_GID="$2"; shift 2;;
     *)             break;;
   esac
 done