When $arg is a normal string, treat it as shell-quoted. But still treat expanded args as plain strings, otherwise it breaks for filenames with spaces

lib/git/status_shortcuts.sh

@@ -166,7 +166,7 @@ git_expand_args() {
       else
         echo -n " "
       fi
-      printf '%s' "$arg"
+      printf '%q' "$arg"
     fi
   done
 }