$ git clone -n https://gitee.com/opencloudos-stream/systemd /var/lib/mock/dist-ocs23-riscv-base-build-322460-34267/root/chroot_tmpdir/scmroot/systemd
Cloning into '/var/lib/mock/dist-ocs23-riscv-base-build-322460-34267/root/chroot_tmpdir/scmroot/systemd'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/systemd
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6572a8d !23 fix that journal may cordump when logrotate concurrently. Merge pull request !23 from cunshunxia/master