$ git clone -n https://gitee.com/opencloudos-stream/filesystem.git /var/lib/mock/dist-ocs23-base-build-251381-24615/root/chroot_tmpdir/scmroot/filesystem
Cloning into '/var/lib/mock/dist-ocs23-base-build-251381-24615/root/chroot_tmpdir/scmroot/filesystem'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/filesystem
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4ae7295 !2 Use lua instead of shell in posttran Merge pull request !2 from kianli/master