#!/bin/bash

version="0.0.0"
name="plain_fsm" # folder base name (without version)
spec="erlang-plain_fsm" # spec file base name (without extension)
url="https://github.com/gburd/plain_fsm.git"

#####

date=`date +"%Y%m%d"`
folder="./${name}"
tarfile="${folder}-${version}+git${date}.tar.bz2"

if [ ! -d ${folder} ]; then
  echo "checkout ${url} -> ${folder} ..."
  git clone ${url} ${folder}
  result=$?
else
  echo "pull ${url} -> ${folder} ..."
  cd ${folder}
  git pull
  result=$?
  cd -
fi

if [ ${result} -eq 0 ]; then
  echo "making ${tarfile} ..."
  tar -cjf ${tarfile} ${folder} --exclude-vcs
  result=$?
fi

if [ ${result} -eq 0 ]; then
  echo "changing .spec file ..."
  sed -i -e "s/%define git_version .*/%define git_version ${date}/g" -e "s/%define pkg_version .*/%define pkg_version ${version}/g" ./${spec}.spec
  result=$?
fi