$ git clone -n https://gitee.com/src-opencloudos-rpms/linuxptp.git /var/lib/mock/dist-oc8-build-73999-49473/root/chroot_tmpdir/scmroot/linuxptp
Cloning into '/var/lib/mock/dist-oc8-build-73999-49473/root/chroot_tmpdir/scmroot/linuxptp'...
$ git fetch origin 5c94b17b267f64f223b50a01ff591b64d7cb259c:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/linuxptp
 * [new ref]         5c94b17b267f64f223b50a01ff591b64d7cb259c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5c94b17 import linuxptp-4.2-1.tl3