#!/bin/sh

#
# check-contents
#
scriptname=check-contents
if ! MYTMP=$(mktemp -d -t $scriptname-XXXXXX)
then
            echo >&2
            echo >&2
            echo >&2 "Cannot create temporary directory."
            echo >&2
            exit 1
fi

cleanup() {
  status=$?
  rm -rf "${MYTMP}"
  exit $status
}

# clean up if we get stopped by Crtl-C or forced logout or normal exit
trap cleanup INT
trap cleanup HUP
trap cleanup 0

if [ $# -ne 2 ]
then
  echo "check-contents git-dir tar-gz-file"
  exit 1
fi

mkdir $MYTMP/unpack
tar xfzC "$2" $MYTMP/unpack
diff -r "$1" $MYTMP/unpack/* | grep "^Only"