$ git clone -n https://gitee.com/opencloudos-stream/jackson-core.git /var/lib/mock/dist-ocs23-build-15978-1041/root/chroot_tmpdir/scmroot/jackson-core
Cloning into '/var/lib/mock/dist-ocs23-build-15978-1041/root/chroot_tmpdir/scmroot/jackson-core'...
$ git fetch origin HEAD:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/jackson-core
 * [new ref]                    -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3853b1e OCS package init