$ git clone -n https://gitee.com/src-opencloudos-rpms/gegl04.git /var/lib/mock/dist-oc9-build-236275-82249/root/chroot_tmpdir/scmroot/gegl04
Cloning into '/var/lib/mock/dist-oc9-build-236275-82249/root/chroot_tmpdir/scmroot/gegl04'...
$ git fetch origin bf39bb8af7efaa68e7e6f70d844bedb8385b3a37:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/gegl04
 * [new ref]         bf39bb8af7efaa68e7e6f70d844bedb8385b3a37 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bf39bb8 import gegl04-0.4.66-1.tl4