#!/bin/sh
 
+USAGE='[-n] [-v] <file>...'
+SUBDIRECTORY_OK='Yes'
+. git-sh-setup
+
 show_only=
 verbose=
 while : ; do
     -v)
        verbose=--verbose
        ;;
+    -*)
+       usage
+       ;;
     *)
        break
        ;;
   shift
 done
 
-GIT_DIR=$(git-rev-parse --git-dir) || exit
-
 if test -f "$GIT_DIR/info/exclude"
 then
        git-ls-files -z \