From 26dc2abc2b9caf6bb679f3058bfa52d14af47cf8 Mon Sep 17 00:00:00 2001
From: Jan Tojnar <jtojnar@gmail.com>
Date: Sat, 3 Mar 2018 01:45:16 +0100
Subject: [PATCH] meld: add updateScript

---
 .../version-management/meld/default.nix            | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/pkgs/applications/version-management/meld/default.nix b/pkgs/applications/version-management/meld/default.nix
index 18e986e437f6..e3cafe6b6464 100644
--- a/pkgs/applications/version-management/meld/default.nix
+++ b/pkgs/applications/version-management/meld/default.nix
@@ -4,14 +4,14 @@
 
 
 let
-  minor = "3.18";
-  version = "${minor}.0";
+  pname = "meld";
+  version = "3.18.0";
   inherit (python3Packages) python buildPythonApplication pycairo pygobject3;
 in buildPythonApplication rec {
-  name = "meld-${version}";
+  name = "${pname}-${version}";
 
   src = fetchurl {
-    url = "mirror://gnome/sources/meld/${minor}/meld-${version}.tar.xz";
+    url = "mirror://gnome/sources/${pname}/${gnome3.versionBranch version}/${name}.tar.xz";
     sha256 = "0gi2jzgsrd5q2icyp6wphbn532ddg82nxhfxlffkniy7wnqmi0c4";
   };
 
@@ -43,6 +43,12 @@ in buildPythonApplication rec {
 
   doCheck = false;
 
+  passthru = {
+    updateScript = gnome3.updateScript {
+      packageName = pname;
+    };
+  };
+
   meta = with stdenv.lib; {
     description = "Visual diff and merge tool";
     homepage = http://meldmerge.org/;