$ git clone -n https://src.fedoraproject.org/rpms/rubygem-qpid_messaging.git /var/lib/mock/f29-build-465-311/root/thebuilddir/tmp/scmroot/rubygem-qpid_messaging
Cloning into '/var/lib/mock/f29-build-465-311/root/thebuilddir/tmp/scmroot/rubygem-qpid_messaging'...
$ git reset --hard f8dd34f6dddb0f4418339eb405f2be318429a133
HEAD is now at f8dd34f - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild