$ git clone -n https://gitee.com/opencloudos-stream/jackson-parent.git /var/lib/mock/dist-ocs23-build-24795-1191/root/chroot_tmpdir/scmroot/jackson-parent
Cloning into '/var/lib/mock/dist-ocs23-build-24795-1191/root/chroot_tmpdir/scmroot/jackson-parent'...
$ git fetch origin HEAD:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/jackson-parent
 * [new ref]                    -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b6455ba OCS package init