#!/bin/sh

proto=$1

branch=$2

if [ -z "$proto" ]; then

    echo "Usage: $0 <proto name> [<branch>]"

    exit 1

fi

dirname=$proto-$( date +%Y%m%d )

rm -rf $dirname

git clone git://git.freedesktop.org/git/xorg/proto/$proto $dirname

cd $dirname

if [ -z "$branch" ]; then

    git log | head -1

else

    git checkout $branch

fi

sha=`git rev-list --max-count=1 --abbrev-commit HEAD`

git repack -a -d

cd ..

# append sha to dirname

mv $dirname $dirname-git$sha

dirname=$dirname-git$sha

tarball=$dirname.tar.bz2

tar jcf $tarball $dirname

rm -rf $dirname

echo "$tarball is now available"