diff --git a/src/Hydra/lib/Hydra/Controller/Build.pm b/src/Hydra/lib/Hydra/Controller/Build.pm
index 2cdb9773..0f6dc06f 100644
--- a/src/Hydra/lib/Hydra/Controller/Build.pm
+++ b/src/Hydra/lib/Hydra/Controller/Build.pm
@@ -122,8 +122,8 @@ sub nix : Chained('build') PathPart('nix') CaptureArgs(0) {
     error($c, "Path " . $build->outpath . " is no longer available.")
         unless isValidPath($build->outpath);
     
-    $c->stash->{name} = $build->nixname;
     $c->stash->{storePaths} = [$build->outpath];
+    
     my $pkgName = $build->nixname . "-" . $build->system . ".nixpkg";
     $c->stash->{nixPkgs} = {$pkgName => $build};
 }
diff --git a/src/Hydra/lib/Hydra/Controller/Root.pm b/src/Hydra/lib/Hydra/Controller/Root.pm
index 5f6c46ac..8314bfd3 100644
--- a/src/Hydra/lib/Hydra/Controller/Root.pm
+++ b/src/Hydra/lib/Hydra/Controller/Root.pm
@@ -2,7 +2,7 @@ package Hydra::Controller::Root;
 
 use strict;
 use warnings;
-use base 'Catalyst::Controller';
+use base 'Hydra::Base::Controller::Nix';
 use Hydra::Helper::Nix;
 use Hydra::Helper::CatalystUtils;
 
@@ -97,12 +97,10 @@ sub queue :Local {
 }
 
 
-sub showJobStatus {
+# Return the latest build for each job.
+sub getLatestBuilds {
     my ($c, $builds) = @_;
-    $c->stash->{template} = 'jobstatus.tt';
-
-    # Get the latest finished build for each unique job.
-    $c->stash->{latestBuilds} = [$builds->search({},
+    return $builds->search({},
         { join => 'resultInfo'
         , where => {
             finished => { "!=", 0 },
@@ -111,7 +109,16 @@ sub showJobStatus {
                 "where project == me.project and attrName == me.attrName and finished != 0 and system == me.system)"),
           }
         , order_by => "project, attrname, system"
-        })];
+        });
+}
+
+
+sub showJobStatus {
+    my ($c, $builds) = @_;
+    $c->stash->{template} = 'jobstatus.tt';
+
+    # Get the latest finished build for each unique job.
+    $c->stash->{latestBuilds} = [getLatestBuilds($c, $builds)];
 }
 
 
@@ -538,6 +545,20 @@ sub job :Local {
 }
 
 
+sub nix : Chained('/') PathPart('nix') CaptureArgs(0) {
+    my ($self, $c) = @_;
+
+    my @builds = getLatestBuilds($c, $c->model('DB::Builds'));
+
+    my @storePaths = ();
+    foreach my $build (@builds) {
+        push @storePaths, $build->outpath if isValidPath($build->outpath);
+    };
+
+    $c->stash->{storePaths} = [@storePaths];
+}
+
+
 sub default :Path {
     my ($self, $c) = @_;
     notFound($c, "Page not found.");
@@ -550,6 +571,10 @@ sub end : ActionClass('RenderView') {
     if (scalar @{$c->error}) {
         $c->stash->{template} = 'error.tt';
         $c->stash->{errors} = $c->error;
+        if ($c->response->status >= 300) {
+            $c->stash->{httpStatus} =
+                $c->response->status . " " . HTTP::Status::status_message($c->response->status);
+        }
         $c->clear_errors;
     }
 }
diff --git a/src/Hydra/lib/Hydra/View/NixManifest.pm b/src/Hydra/lib/Hydra/View/NixManifest.pm
index 54ce673f..853decfb 100644
--- a/src/Hydra/lib/Hydra/View/NixManifest.pm
+++ b/src/Hydra/lib/Hydra/View/NixManifest.pm
@@ -3,15 +3,8 @@ package Hydra::View::NixManifest;
 use strict;
 use base qw/Catalyst::View/;
 use IO::Pipe;
-use IPC::Run;
 use POSIX qw(dup2);
 
-sub captureStdoutStderr {
-    my $stdin = ""; my $stdout; my $stderr;
-    my $res = IPC::Run::run(\@_, \$stdin, \$stdout, \$stderr);
-    return ($res, $stdout, $stderr);
-}
-
 
 sub process {
     my ($self, $c) = @_;
@@ -20,8 +13,8 @@ sub process {
     
     $c->response->content_type('text/x-nix-manifest');
 
-    my @paths = split '\n', `nix-store --query --requisites @storePaths`
-        or die "cannot query dependencies of path(s) @storePaths: $?";
+    my @paths = split '\n', `nix-store --query --requisites @storePaths`;
+    die "cannot query dependencies of path(s) @storePaths: $?" if $? != 0;
 
     my $manifest =
         "version {\n" .
@@ -29,9 +22,8 @@ sub process {
         "}\n";
     
     foreach my $path (@paths) {
-        my ($res, $out, $err) = captureStdoutStderr(qw(nix-store --query --references), $path);
-        die "cannot query references of `$path':\n$err" unless $res;
-        my @refs = split '\n', $out;
+        my @refs = split '\n', `nix-store --query --references $path`;
+        die "cannot query references of `$path': $?" if $? != 0;
         
         my $hash = `nix-store --query --hash $path`
             or die "cannot query hash of `$path': $?";
diff --git a/src/Hydra/root/error.tt b/src/Hydra/root/error.tt
index 12d51798..7b0e4049 100644
--- a/src/Hydra/root/error.tt
+++ b/src/Hydra/root/error.tt
@@ -1,7 +1,7 @@
 [% WRAPPER layout.tt title="Error" %]
 [% USE HTML %]
 
-<h1>Error</h1>
+<h1>[% IF httpStatus %][% httpStatus %][% ELSE %]Error[% END %]</h1>
 
 <p>I'm very sorry, but an error occurred: <span class="error-msg">[% FOREACH error IN errors %] [% HTML.escape(error) %] [% END %]</span></p>