$ git clone -n https://gitee.com/opencloudos-stream/linuxptp.git /var/lib/mock/dist-ocs23-build-116951-8159/root/chroot_tmpdir/scmroot/linuxptp
Cloning into '/var/lib/mock/dist-ocs23-build-116951-8159/root/chroot_tmpdir/scmroot/linuxptp'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/linuxptp
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at aaa7cbd !1 【自动升级】linuxptp 4.2 Merge pull request !1 from ocs-bot/master