$ git clone -n https://src.fedoraproject.org/rpms/heimdal.git /var/lib/mock/f31-build-95424-32563/root/thebuilddir/tmp/scmroot/heimdal
Cloning into '/var/lib/mock/f31-build-95424-32563/root/thebuilddir/tmp/scmroot/heimdal'...
$ git reset --hard c49870996ef1d62f1f69b2375d410a70cb2ac442
HEAD is now at c498709 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild