pushd ${destination}
git checkout "v${version}"
git submodule update --init
-rm -rf .git roms/*/.git dtc/.git pixman/.git
+(cd roms/seabios && git describe --tags --long --dirty > .version)
+(cd roms/skiboot && ./make_version.sh > .version)
+# FIXME: The following line is a workaround for avoiding filename collisions
+# when unpacking u-boot sources on case-insensitive filesystems. Once we
+# update to something with u-boot commit 610eec7f0 we can drop this line.
+tar --exclude=.git -cjf roms/u-boot.tar.bz2 -C roms u-boot && rm -rf roms/u-boot
popd
-tar cfj ${destination}.tar.bz2 ${destination}
+tar --exclude=.git -cjf ${destination}.tar.bz2 ${destination}
rm -rf ${destination}