$ git clone -n https://gitee.com/zhuzhustu/python-backrefs.git /var/lib/mock/dist-an23-build-570893-92678/root/chroot_tmpdir/scmroot/python-backrefs
Cloning into '/var/lib/mock/dist-an23-build-570893-92678/root/chroot_tmpdir/scmroot/python-backrefs'...
$ git fetch origin d3bfa74588da15bd97cb7e576b8215854849f708:KOJI_FETCH_HEAD
From https://gitee.com/zhuzhustu/python-backrefs
 * [new ref]         d3bfa74588da15bd97cb7e576b8215854849f708 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d3bfa74 update python-backrefs.spec.