$ git clone -n https://gitee.com/opencloudos-stream/groff.git /var/lib/mock/dist-ocs23-build-40310-2059/root/chroot_tmpdir/scmroot/groff
Cloning into '/var/lib/mock/dist-ocs23-build-40310-2059/root/chroot_tmpdir/scmroot/groff'...
$ git fetch origin HEAD:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/groff
 * [new ref]                    -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4d71c83 !2 Rebuilt for netpbm 11.02.00 Merge pull request !2 from abushwang/master