$ git clone -n git://pkgs.fedoraproject.org/rpms/igraph /var/lib/mock/f29-build-6388-1565/root/thebuilddir/tmp/scmroot/igraph
Cloning into '/var/lib/mock/f29-build-6388-1565/root/thebuilddir/tmp/scmroot/igraph'...
$ git reset --hard 4d4840de7a70a75172d3d5d1e11159474975ad7d
HEAD is now at 4d4840d - Rebuilt for https://fedoraproject.org/wiki/Fedora_26_Mass_Rebuild