$ git clone -n https://gitee.com/src-opencloudos-rpms/plymouth.git /var/lib/mock/dist-oc9-build-62675-16463/root/chroot_tmpdir/scmroot/plymouth
Cloning into '/var/lib/mock/dist-oc9-build-62675-16463/root/chroot_tmpdir/scmroot/plymouth'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/plymouth
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 42e6237 import plymouth-22.02.122-6.tl4