$ git clone -n https://gitee.com/src-opencloudos-rpms/sisu.git /var/lib/mock/dist-oc9-build-72024-47627/root/chroot_tmpdir/scmroot/sisu
Cloning into '/var/lib/mock/dist-oc9-build-72024-47627/root/chroot_tmpdir/scmroot/sisu'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/sisu
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ae58150 import sisu-0.3.5-4.tl4