$ git clone -n https://src.fedoraproject.org/rpms/rubygem-ruby-libvirt.git /var/lib/mock/f31-build-52952-27785/root/chroot_tmpdir/scmroot/rubygem-ruby-libvirt
Cloning into '/var/lib/mock/f31-build-52952-27785/root/chroot_tmpdir/scmroot/rubygem-ruby-libvirt'...
$ git reset --hard 7e5018d8b65352fa7dbc8a54af6bed9e94361bdf
HEAD is now at 7e5018d - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild