$ git clone -n https://src.fedoraproject.org/rpms/jrtplib.git /var/lib/mock/f29-build-6974-1716/root/thebuilddir/tmp/scmroot/jrtplib
Cloning into '/var/lib/mock/f29-build-6974-1716/root/thebuilddir/tmp/scmroot/jrtplib'...
$ git reset --hard e8f41a7a8560c46a6abb6e51cbff4c8eb17c2ae1
HEAD is now at e8f41a7 - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild