$ git clone -n https://gitee.com/src-opencloudos-rpms/modulemd-tools /var/lib/mock/dist-oc8-build-58008-15846/root/chroot_tmpdir/scmroot/modulemd-tools
Cloning into '/var/lib/mock/dist-oc8-build-58008-15846/root/chroot_tmpdir/scmroot/modulemd-tools'...
$ git fetch origin oc8:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/modulemd-tools
 * [new branch]      oc8        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4186e7b import modulemd-tools-0.7-8.tl3