$ git clone -n https://gitee.com/src-opencloudos-rpms/yelp.git /var/lib/mock/dist-oc8-build-246091-83429/root/chroot_tmpdir/scmroot/yelp
Cloning into '/var/lib/mock/dist-oc8-build-246091-83429/root/chroot_tmpdir/scmroot/yelp'...
$ git fetch origin 6296ba3192aa660f3b30b366a85b6b05fd56bf9a:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/yelp
 * [new ref]         6296ba3192aa660f3b30b366a85b6b05fd56bf9a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6296ba3 import yelp-3.28.1-3.tl3.2