$ git clone -n https://gitee.com/opencloudos-stream/linuxptp.git /var/lib/mock/dist-ocs23-build-45979-2059/root/chroot_tmpdir/scmroot/linuxptp
Cloning into '/var/lib/mock/dist-ocs23-build-45979-2059/root/chroot_tmpdir/scmroot/linuxptp'...
$ git fetch origin HEAD:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/linuxptp
 * [new ref]         HEAD       -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4b80a52 OCS package init