From 13688e364f347f26606801ad74d2ade802e04eaa Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <eelco.dolstra@logicblox.com>
Date: Wed, 1 Aug 2012 16:31:25 +0000
Subject: [PATCH] Add a binary-cache-url file to channels to advertise the
 binary cache URL

---
 src/lib/Hydra/Base/Controller/NixChannel.pm | 8 ++++++++
 src/lib/Hydra/Controller/Root.pm            | 1 +
 2 files changed, 9 insertions(+)

diff --git a/src/lib/Hydra/Base/Controller/NixChannel.pm b/src/lib/Hydra/Base/Controller/NixChannel.pm
index f07dab1e..3d013539 100644
--- a/src/lib/Hydra/Base/Controller/NixChannel.pm
+++ b/src/lib/Hydra/Base/Controller/NixChannel.pm
@@ -86,6 +86,14 @@ sub nixexprs : Chained('nix') PathPart('nixexprs.tar.bz2') Args(0) {
 }
 
 
+sub binary_cache_url : Chained('nix') PathPart('binary-cache-url') Args(0) {
+    my ($self, $c) = @_;
+    $c->stash->{'plain'} = { data => $c->uri_for('/') };
+    $c->header('Content-Type' => 'text/plain');
+    $c->forward('Hydra::View::Plain');
+}
+
+
 sub name {
     my ($build) = @_;
     return $build->releasename || $build->nixname;
diff --git a/src/lib/Hydra/Controller/Root.pm b/src/lib/Hydra/Controller/Root.pm
index cfe02008..c0bbc320 100644
--- a/src/lib/Hydra/Controller/Root.pm
+++ b/src/lib/Hydra/Controller/Root.pm
@@ -198,6 +198,7 @@ sub nar :Local :Args(1) {
 
 sub nix_cache_info :Path('nix-cache-info') :Args(0) {
     my ($self, $c) = @_;
+    $c->header('Content-Type' => 'text/plain');
     $c->stash->{'plain'} = { data => 
         #"StoreDir: $Nix::Config::storeDir\n" . # FIXME
         "StoreDir: /nix/store\n" .