$ git clone -n https://gitee.com/src-opencloudos-rpms/rubygem-rspec-support.git /var/lib/mock/dist-oc9-build-59484-16463/root/chroot_tmpdir/scmroot/rubygem-rspec-support
Cloning into '/var/lib/mock/dist-oc9-build-59484-16463/root/chroot_tmpdir/scmroot/rubygem-rspec-support'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/rubygem-rspec-support
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 381895d import rubygem-rspec-support-3.12.0-5.tl4