$ git clone -n https://gitee.com/src-opencloudos-rpms/rubygem-nokogiri.git /var/lib/mock/dist-oc9-build-176273-80002/root/chroot_tmpdir/scmroot/rubygem-nokogiri
Cloning into '/var/lib/mock/dist-oc9-build-176273-80002/root/chroot_tmpdir/scmroot/rubygem-nokogiri'...
$ git fetch origin cd9b07052d59c7665e93a4ab3b6519f61caef949:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/rubygem-nokogiri
 * [new ref]         cd9b07052d59c7665e93a4ab3b6519f61caef949 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cd9b070 import rubygem-nokogiri-1.16.7-2.tl4