$ git clone -n https://gitee.com/src-opencloudos-rpms/accel-config.git /var/lib/mock/dist-oc9-build-51892-14596/root/chroot_tmpdir/scmroot/accel-config
Cloning into '/var/lib/mock/dist-oc9-build-51892-14596/root/chroot_tmpdir/scmroot/accel-config'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/accel-config
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ae3b4a6 import accel-config-3.5.3-1.tl4