$ git clone -n https://gitee.com/zhuzhustu/python-backrefs.git /var/lib/mock/dist-an23-build-570876-92678/root/chroot_tmpdir/scmroot/python-backrefs
Cloning into '/var/lib/mock/dist-an23-build-570876-92678/root/chroot_tmpdir/scmroot/python-backrefs'...
$ git fetch origin c9d1e8c9db92f3451e7c310eae514fa736dc3a12:KOJI_FETCH_HEAD
From https://gitee.com/zhuzhustu/python-backrefs
 * [new ref]         c9d1e8c9db92f3451e7c310eae514fa736dc3a12 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c9d1e8c update python-backrefs.spec.