#!/bin/sh

if ! [ -d .git ]; then
	echo "Not a git archive"
	exit 1
fi

if [ -n "$1" ]; then
	echo Creating a tarball with version $1
fi

_owd=`pwd`
_cwd=`basename $_owd`
_branch=`git branch | grep "^\*" | awk '{print $2}'`
_archive=$_cwd-$_branch-`date +%Y-%m-%d`.tar.gz 

TMPDIR=$(mktemp -d /tmp/$_cwd-XXXXXX)

cd ..
cp -a $_cwd $TMPDIR
cd $TMPDIR
if [ -n "$1" ]; then
	mv $_cwd $_cwd-$1
	_cwd="$_cwd-$1"
	_archive=$_cwd.tar.gz
fi
tar --exclude .git -czvf $_archive $_cwd
cd $_owd
cp $TMPDIR/$_archive .
rm -rf $TMPDIR