From af3261f7a266d38f03e3d5d8a117d5f3458bcb85 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Vladim=C3=ADr=20=C4=8Cun=C3=A1t?= <vcunat@gmail.com>
Date: Wed, 29 Jul 2015 17:46:05 +0200
Subject: [PATCH] lsof: use a pair of URLs to work when upstream updates

Fixes #9043 for future bumps.
---
 pkgs/development/tools/misc/lsof/default.nix | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/pkgs/development/tools/misc/lsof/default.nix b/pkgs/development/tools/misc/lsof/default.nix
index 53bbcf22842..f7feeca5d9d 100644
--- a/pkgs/development/tools/misc/lsof/default.nix
+++ b/pkgs/development/tools/misc/lsof/default.nix
@@ -5,7 +5,11 @@ stdenv.mkDerivation rec {
   version = "4.89";
 
   src = fetchurl {
-    url = "ftp://sunsite.ualberta.ca/pub/Mirror/lsof/lsof_${version}.tar.bz2";
+    urls = map (
+      # the tarball is moved after new version is released
+      isOld: "ftp://sunsite.ualberta.ca/pub/Mirror/lsof/"
+      + "${stdenv.lib.optionalString isOld "OLD/"}lsof_${version}.tar.bz2"
+    ) [ false true ];
     sha256 = "061p18v0mhzq517791xkjs8a5dfynq1418a1mwxpji69zp2jzb41";
   };