$ git clone -n https://gitee.com/src-opencloudos-rpms/sushi.git /var/lib/mock/dist-oc9-build-60795-16463/root/chroot_tmpdir/scmroot/sushi
Cloning into '/var/lib/mock/dist-oc9-build-60795-16463/root/chroot_tmpdir/scmroot/sushi'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/sushi
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1f94421 import sushi-43.0-6.tl4