$buildMap->{$prevBuild->id} = { new => 0, drvPath => $drvPath };

                $buildMap->{$prevBuild->id} = { id => $prevBuild->id, jobName => $jobName, new => 0, drvPath => $drvPath };

        $buildMap->{$build->id} = { new => 1, drvPath => $drvPath };

        $buildMap->{$build->id} = { id => $build->id, jobName => $jobName, new => 1, drvPath => $drvPath };

            while (my ($id, $x) = each %buildMap) {
                $ev->jobsetevalmembers->create({ build => $id, isnew => $x->{new} });
            }
            # Create AggregateConstituents mappings.  Since there can
            # be jobs that alias each other, if there are multiple
            # builds for the same derivation, pick the one with the
            # shortest name.

                $ev->jobsetevalmembers->create({ build => $id, isnew => $x->{new} });
                $drvPathToId{$x->{drvPath}} = $id;

                my $y = $drvPathToId{$x->{drvPath}};
                if (defined $y) {
                    next if length $x->{jobName} > length $y->{jobName};
                    next if length $x->{jobName} == length $y->{jobName} && $x->{jobName} ge $y->{jobName};
                }
                $drvPathToId{$x->{drvPath}} = $x;

            # Create AggregateConstituents mappings.

                my $id = $drvPathToId{$job->{drvPath}} or die;

                my $x = $drvPathToId{$job->{drvPath}} or die;

                        $db->resultset('AggregateConstituents')->update_or_create({aggregate => $id, constituent => $constituent});

                        $db->resultset('AggregateConstituents')->update_or_create({aggregate => $x->{id}, constituent => $constituent->{id}});