$ git clone -n https://gitee.com/src-opencloudos-rpms/mpg123.git /var/lib/mock/dist-oc9-build-43084-14591/root/chroot_tmpdir/scmroot/mpg123
Cloning into '/var/lib/mock/dist-oc9-build-43084-14591/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 b86c264 import mpg123-1.31.1-3.tl4