$ git clone -n https://gitee.com/src-opencloudos-rpms/linuxptp /var/lib/mock/dist-oc8-build-58000-15846/root/chroot_tmpdir/scmroot/linuxptp
Cloning into '/var/lib/mock/dist-oc8-build-58000-15846/root/chroot_tmpdir/scmroot/linuxptp'...
$ git fetch origin oc8:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/linuxptp
 * [new branch]      oc8        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1d0929d import linuxptp-3.1.1-6.tl3