$ git clone -n https://gitee.com/src-opencloudos-rpms/libblockdev.git /var/lib/mock/dist-oc9-build-168604-79803/root/chroot_tmpdir/scmroot/libblockdev
Cloning into '/var/lib/mock/dist-oc9-build-168604-79803/root/chroot_tmpdir/scmroot/libblockdev'...
$ git fetch origin 1e7e88e5c71a752222cb634a9d8140b5d051126c:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/libblockdev
 * [new ref]         1e7e88e5c71a752222cb634a9d8140b5d051126c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1e7e88e import libblockdev-3.1.0-4.tl4