$ git clone -n https://gitee.com/src-opencloudos-rpms/promu.git /var/lib/mock/dist-oc9-epol-build-53708-14768/root/chroot_tmpdir/scmroot/promu
Cloning into '/var/lib/mock/dist-oc9-epol-build-53708-14768/root/chroot_tmpdir/scmroot/promu'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/promu
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0ae400f import promu-0.13.0-3.tl4