$ git clone -n https://gitee.com/src-opencloudos-rpms/gegl04 /var/lib/mock/dist-oc9-build-67393-37828/root/chroot_tmpdir/scmroot/gegl04
Cloning into '/var/lib/mock/dist-oc9-build-67393-37828/root/chroot_tmpdir/scmroot/gegl04'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/gegl04
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4049ddf Rebuild