$ git clone -n https://gitee.com/src-opencloudos-rpms/rhash.git /var/lib/mock/dist-oc9-build-44913-14591/root/chroot_tmpdir/scmroot/rhash
Cloning into '/var/lib/mock/dist-oc9-build-44913-14591/root/chroot_tmpdir/scmroot/rhash'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/rhash
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 80bc118 import rhash-1.4.2-3.tl4