getChannelData($c, scalar($c->stash->{latestSucceeded}));

            $c->stash->{channelBuilds} = $c->stash->{latestSucceeded}
                ->search_literal("exists (select 1 from buildproducts where build = me.id and type = 'nix-build')")
                ->search({}, { columns => [@buildListColumns, 'drvpath', 'outpath', 'description', 'homepage'] });

        #elsif ($channelName eq "all") {
        #    $c->stash->{channelName} = $c->stash->{channelBaseName} . "-all";
        #    getChannelData($c, scalar($c->stash->{allBuilds}));
        #}

use Nix::Store;

sub getChannelData {
    my ($c, $checkValidity) = @_;
    my @storePaths = ();
    foreach my $build ($c->stash->{channelBuilds}->all) {
        next if $checkValidity && !isValidPath($build->outpath);
        #if (isValidPath($build->drvpath)) {
        #    # Adding `drvpath' implies adding `outpath' because of the
        #    # `--include-outputs' flag passed to `nix-store'.
        #    push @storePaths, $build->drvpath;
        #} else {
        #    push @storePaths, $build->outpath;
        #}
        push @storePaths, $build->outpath;
        my $pkgName = $build->nixname . "-" . $build->system . "-" . $build->id;
        $c->stash->{nixPkgs}->{"${pkgName}.nixpkg"} = {build => $build, name => $pkgName};
        # Put the system type in the manifest (for top-level paths) as
        # a hint to the binary patch generator.  (It shouldn't try to
        # generate patches between builds for different systems.)  It
        # would be nice if Nix stored this info for every path but it
        # doesn't.
        $c->stash->{systemForPath}->{$build->outpath} = $build->system;
    };

    $c->stash->{storePaths} = [@storePaths];
}

    getChannelData($c, 1);

    getChannelData($c, 1);

    my $pkg = $c->stash->{nixPkgs}->{$pkgName};

    if (!$c->stash->{build}) {
        $pkgName =~ /-(\d+)\.nixpkg$/ or notFound($c, "Bad package name.");
        $c->stash->{build} = $c->stash->{channelBuilds}->find({ id => $1 })
            || notFound($c, "No such package in this channel.");
    }

    notFound($c, "Unknown Nix package `$pkgName'.")
        unless defined $pkg;
    $c->stash->{build} = $pkg->{build};

    if (!isValidPath($c->stash->{build}->outpath)) {
        $c->response->status(410); # "Gone"
        error($c, "Build " . $c->stash->{build}->id . " is no longer available.");
    }

    getChannelData($c, 1);

    # Optimistically assume that none of the packages have been
    # garbage-collected.  That should be true for the "latest"
    # channel.
    getChannelData($c, 0);

    $c->stash->{storePaths} = [$build->outpath];
    
    my $pkgName = $build->nixname . "-" . $build->system;
    $c->stash->{nixPkgs} = {"${pkgName}.nixpkg" => {build => $build, name => $pkgName}};

    $c->stash->{channelBuilds} = $c->model('DB::Builds')->search({id => $build->id});

sub getChannelData {
    my ($c, $builds) = @_;

    my @builds2 = $builds
	->search_literal("exists (select 1 from buildproducts where build = me.id and type = 'nix-build')")
	->search({}, { columns => [@buildListColumns, 'drvpath', 'outpath', 'description', 'homepage'] });
    
    my @storePaths = ();
    foreach my $build (@builds2) {
        next unless isValidPath($build->outpath);
        if (isValidPath($build->drvpath)) {
            # Adding `drvpath' implies adding `outpath' because of the
            # `--include-outputs' flag passed to `nix-store'.
            push @storePaths, $build->drvpath;
        } else {
	    push @storePaths, $build->outpath;
        }
        my $pkgName = $build->nixname . "-" . $build->system . "-" . $build->id;
        $c->stash->{nixPkgs}->{"${pkgName}.nixpkg"} = {build => $build, name => $pkgName};
        # Put the system type in the manifest (for top-level paths) as
	# a hint to the binary patch generator.  (It shouldn't try to
	# generate patches between builds for different systems.)  It
	# would be nice if Nix stored this info for every path but it
	# doesn't.
	$c->stash->{systemForPath}->{$build->outpath} = $build->system;
    };
    $c->stash->{storePaths} = [@storePaths];
}