pushd ${destination}
git checkout "v${version}"
git submodule update --init
-rm -rf .git roms/*/.git
+(cd roms/seabios && git describe --tags --long --dirty > .version)
+rm -rf .git roms/*/.git dtc/.git pixman/.git
popd
tar cfj ${destination}.tar.bz2 ${destination}
rm -rf ${destination}