$ git clone -n https://gitee.com/opencloudos-stream/sip.git /var/lib/mock/dist-ocs23-build-6875-37/root/chroot_tmpdir/scmroot/sip
Cloning into '/var/lib/mock/dist-ocs23-build-6875-37/root/chroot_tmpdir/scmroot/sip'...
$ git fetch origin HEAD:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/sip
 * [new ref]                    -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ec4379f OCS package init