$ git clone -n https://gitee.com/src-opencloudos-rpms/rubygem-rspec-mocks.git /var/lib/mock/dist-oc9-build-131106-78407/root/chroot_tmpdir/scmroot/rubygem-rspec-mocks
Cloning into '/var/lib/mock/dist-oc9-build-131106-78407/root/chroot_tmpdir/scmroot/rubygem-rspec-mocks'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/rubygem-rspec-mocks
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7ec9773 import rubygem-rspec-mocks-3.12.4-7.tl4