$ git clone -n https://gitee.com/wenyuzifang/libburn.git /var/lib/mock/dist-an23-build-469880-74027/root/chroot_tmpdir/scmroot/libburn
Cloning into '/var/lib/mock/dist-an23-build-469880-74027/root/chroot_tmpdir/scmroot/libburn'...
$ git fetch origin b5f41a95d6ff3e69ccff5b47dc875eefd2684912:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/libburn
 * [new ref]         b5f41a95d6ff3e69ccff5b47dc875eefd2684912 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b5f41a9 Update code from upstream