$ git clone -n https://gitee.com/src-opencloudos-rpms/mpg123.git /var/lib/mock/dist-oc9-build-70839-47477/root/chroot_tmpdir/scmroot/mpg123
Cloning into '/var/lib/mock/dist-oc9-build-70839-47477/root/chroot_tmpdir/scmroot/mpg123'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/mpg123
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d8c87d5 import mpg123-1.31.3-2.tl4