$ git clone -n https://gitee.com/src-opencloudos-rpms/snappy.git /var/lib/mock/dist-oc9-pre-build-238516-82533/root/chroot_tmpdir/scmroot/snappy
Cloning into '/var/lib/mock/dist-oc9-pre-build-238516-82533/root/chroot_tmpdir/scmroot/snappy'...
$ git fetch origin c74310cb14fee2a12b9691527f8583a8ff728865:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/snappy
 * [new ref]         c74310cb14fee2a12b9691527f8583a8ff728865 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c74310c import snappy-1.1.10-5.tl4