$ git clone -n https://src.fedoraproject.org/rpms/gt.git /var/lib/mock/f31-build-85678-31616/root/thebuilddir/tmp/scmroot/gt
Cloning into '/var/lib/mock/f31-build-85678-31616/root/thebuilddir/tmp/scmroot/gt'...
$ git reset --hard d21c20ab9b39e1563d942ce26ac75b0902b25681
HEAD is now at d21c20a - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild