From e89aea5e424f21d863ac9cf278d5f8b3229d17d0 Mon Sep 17 00:00:00 2001
From: Aristid Breitkreuz <aristidb@gmail.com>
Date: Sat, 15 Dec 2012 23:34:49 +0100
Subject: [PATCH] add luite's mirror to cabal/hackage download expression (for
 when hackage.haskell.org is down)

---
 pkgs/build-support/cabal/default.nix | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/pkgs/build-support/cabal/default.nix b/pkgs/build-support/cabal/default.nix
index 42392aff60c..a5884786b00 100644
--- a/pkgs/build-support/cabal/default.nix
+++ b/pkgs/build-support/cabal/default.nix
@@ -44,7 +44,9 @@
             # the default download location for Cabal packages is Hackage,
             # you still have to specify the checksum
             src = fetchurl {
-              url = "http://hackage.haskell.org/packages/archive/${self.pname}/${self.version}/${self.fname}.tar.gz";
+              # cannot use mirrors system because of subtly different directory structures
+              urls = ["http://hackage.haskell.org/packages/archive/${self.pname}/${self.version}/${self.fname}.tar.gz"
+                      "http://hdiff.luite.com/packages/archive/${self.pname}/${self.fname}.tar.gz"];
               inherit (self) sha256;
             };