#!/bin/bash

LIBSELINUX_VERSION=2.3
BRANCH=master

REBASEDIR=`mktemp -d rebase.XXXXXX`
pushd $REBASEDIR

git clone https://github.com/fedora-selinux/selinux.git
pushd selinux; git checkout $BRANCH; COMMIT=`git rev-parse --verify HEAD`; popd

# prepare libselinux-rhat.patch
tar xfz ../libselinux-$LIBSELINUX_VERSION.tar.gz
pushd libselinux-$LIBSELINUX_VERSION

git init; git add .; git commit -m "init"
cp -r ../selinux/libselinux/* .
git add -A .

git diff --cached --src-prefix=libselinux-$LIBSELINUX_VERSION/ --dst-prefix=libselinux-$LIBSELINUX_VERSION/ > ../../libselinux-rhat.patch

popd

popd
# echo rm -rf $REBASEDIR

echo libselinux-rhat.patch created from https://github.com/fedora-selinux/selinux/commit/$COMMIT