$ git clone -n https://src.fedoraproject.org/rpms/pipenightdreams.git /var/lib/mock/f31-build-48734-27197/root/thebuilddir/tmp/scmroot/pipenightdreams
Cloning into '/var/lib/mock/f31-build-48734-27197/root/thebuilddir/tmp/scmroot/pipenightdreams'...
$ git reset --hard c4af4b4a3a258d44ff1b3016136a9241331f0555
HEAD is now at c4af4b4 - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild