From 92ad86bb5e42c93430e82fc5d3f6b341896fd297 Mon Sep 17 00:00:00 2001
From: Michael Raskin <7c6f434c@mail.ru>
Date: Sun, 31 Aug 2014 19:32:21 +0400
Subject: [PATCH] Allow search for updates for GNU Barcode

---
 pkgs/tools/graphics/barcode/default.nix | 13 +++++--------
 1 file changed, 5 insertions(+), 8 deletions(-)

diff --git a/pkgs/tools/graphics/barcode/default.nix b/pkgs/tools/graphics/barcode/default.nix
index 60dc5a285da3..052dc8f9cb22 100644
--- a/pkgs/tools/graphics/barcode/default.nix
+++ b/pkgs/tools/graphics/barcode/default.nix
@@ -9,17 +9,16 @@ let
   buildInputs = map (n: builtins.getAttr n x)
     (builtins.attrNames (builtins.removeAttrs x helperArgNames));
   sourceInfo = rec {
-    version="0.99";
+    version = "0.99";
     baseName="barcode";
     name="${baseName}-${version}";
     url="mirror://gnu/${baseName}/${name}.tar.gz";
-    hash="0r2b2lwg7a9i9ic5spkbnavy1ynrppmrldv46vsl44l1xgriq0vw";
   };
 in
 rec {
   src = a.fetchurl {
     url = sourceInfo.url;
-    sha256 = sourceInfo.hash;
+    sha256 = "1indapql5fjz0bysyc88cmc54y8phqrbi7c76p71fgjp45jcyzp8";
   };
 
   inherit (sourceInfo) name version;
@@ -35,11 +34,9 @@ rec {
       raskin
     ];
     platforms = with a.lib.platforms; allBut darwin;
-  };
-  passthru = {
-    updateInfo = {
-      downloadPage = "ftp://ftp.gnu.org/gnu/barcode/";
-    };
+    downloadPage = "http://ftp.gnu.org/gnu/barcode/";
+    updateWalker = true;
+    inherit version;
   };
 }) x