$ git clone -n https://src.fedoraproject.org/rpms/trackballs.git /var/lib/mock/f31-build-72192-30805/root/thebuilddir/tmp/scmroot/trackballs
Cloning into '/var/lib/mock/f31-build-72192-30805/root/thebuilddir/tmp/scmroot/trackballs'...
$ git reset --hard 39f74fb608c9a5edad9ea514cfe509382dd0d285
HEAD is now at 39f74fb - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild