$ git clone -n https://gitee.com/src-opencloudos-rpms/pigz.git /var/lib/mock/dist-oc9-build-71439-47556/root/chroot_tmpdir/scmroot/pigz
Cloning into '/var/lib/mock/dist-oc9-build-71439-47556/root/chroot_tmpdir/scmroot/pigz'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/pigz
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e6c0512 import pigz-2.7-4.tl4