$ git clone -n https://src.fedoraproject.org/rpms/gom.git /var/lib/mock/f31-build-63504-29368/root/thebuilddir/tmp/scmroot/gom
Cloning into '/var/lib/mock/f31-build-63504-29368/root/thebuilddir/tmp/scmroot/gom'...
$ git reset --hard f5923df4dc53b540f93bc60afeb6fdcb24520bbc
HEAD is now at f5923df - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild