From a8d2f2dfcd31fa532386297b108d829cd32c7524 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Llu=C3=ADs=20Batlle=20i=20Rossell?= <viric@viric.name>
Date: Mon, 5 Oct 2015 10:30:10 +0200
Subject: [PATCH] Making pond with GUI (gtk).

(cherry picked from commit a1107b2bd2e8946c2b0ab71de5eeb0d9df30a405)
---
 pkgs/top-level/go-packages.nix | 26 ++++++++++++++++++++++----
 1 file changed, 22 insertions(+), 4 deletions(-)

diff --git a/pkgs/top-level/go-packages.nix b/pkgs/top-level/go-packages.nix
index 9f9ad6f751d9..89d906b6d50d 100644
--- a/pkgs/top-level/go-packages.nix
+++ b/pkgs/top-level/go-packages.nix
@@ -1152,6 +1152,20 @@ let
     propagatedBuildInputs = [ go-querystring ];
   };
 
+  go-gtk-agl = buildFromGitHub {
+    rev = "6937b8d28cf70d583346220b966074cfd3a2e233";
+    owner = "agl";
+    repo = "go-gtk";
+    sha256 = "0jnhsv7ypyhprpy0fndah22v2pbbavr3db6f9wxl1vf34qkns3p4";
+    # Examples require many go libs, and gtksourceview seems ready only for
+    # gtk2
+    preConfigure = ''
+      rm -R example gtksourceview
+    '';
+    nativeBuildInputs = [ pkgs.pkgconfig ];
+    buildInputs = [ pkgs.gtk3 pkgs.gtkspell3 ];
+  };
+
   go-gypsy = buildFromGitHub {
     rev    = "42fc2c7ee9b8bd0ff636cd2d7a8c0a49491044c5";
     owner  = "kylelemons";
@@ -2130,15 +2144,19 @@ let
     doCheck = false; # bad import path in tests
   };
 
-  pond = let isx86_64 = stdenv.lib.any (n: n == stdenv.system) stdenv.lib.platforms.x86_64; in buildFromGitHub {
+  pond = let
+      isx86_64 = stdenv.lib.any (n: n == stdenv.system) stdenv.lib.platforms.x86_64;
+      gui = true; # Might be implemented with nixpkgs config.
+  in buildFromGitHub {
     rev = "bce6e0dc61803c23699c749e29a83f81da3c41b2";
     owner = "agl";
     repo = "pond";
     sha256 = "1dmgbg4ak3jkbgmxh0lr4hga1nl623mh7pvsgby1rxl4ivbzwkh4";
 
-    buildInputs = [ net crypto protobuf ed25519 pkgs.trousers ]
-      ++ stdenv.lib.optional isx86_64 pkgs.dclxvi;
-    buildFlags = "-tags nogui";
+    buildInputs = [ net crypto protobuf ed25519 pkgs.trousers go-gtk-agl ]
+      ++ stdenv.lib.optional isx86_64 pkgs.dclxvi
+      ++ stdenv.lib.optional gui go-gtk-agl;
+    buildFlags = stdenv.lib.optionalString (!gui) "-tags nogui";
     excludedPackages = "\\(appengine\\|bn256cgo\\)";
     postPatch = stdenv.lib.optionalString isx86_64 ''
       grep -r 'bn256' | awk -F: '{print $1}' | xargs sed -i \