#!/bin/sh

_m=${1:-"x264kMod"}
_p_name=${2:-"`date +"%Y%m%d_%H%M%S"`.diff"}
_d=modules/${_m}
src=src
dst=src.new
pdst=patches

[[ ! -d ${_d} ]] && { echo "No dir \"${_d}\""; exit 1; }
[[ -z "$1" ]] && { echo "Filename?"; exit 1; }

cd ${_d}
mkdir -p ${pdst}

diff -uNrp ${src} ${dst} >${pdst}/${_p_name}