$ git clone -n https://src.fedoraproject.org/rpms/perl-GD.git /var/lib/mock/f31-build-64840-29607/root/thebuilddir/tmp/scmroot/perl-GD
Cloning into '/var/lib/mock/f31-build-64840-29607/root/thebuilddir/tmp/scmroot/perl-GD'...
$ git reset --hard ef591298d6f39f1f6b3dcbc9a75faff3120bafa8
HEAD is now at ef59129 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild