From 516300624ee0df395c9a4d1f3f42abd71fe5ccd9 Mon Sep 17 00:00:00 2001
From: Matthew Bauer <mjbauer95@gmail.com>
Date: Mon, 23 Jan 2017 17:49:39 -0600
Subject: [PATCH] emacs25Macport: use newer icons

---
 pkgs/applications/editors/emacs/macport-25.1.nix | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/pkgs/applications/editors/emacs/macport-25.1.nix b/pkgs/applications/editors/emacs/macport-25.1.nix
index 84d1950b865..9169c12417a 100644
--- a/pkgs/applications/editors/emacs/macport-25.1.nix
+++ b/pkgs/applications/editors/emacs/macport-25.1.nix
@@ -19,6 +19,11 @@ stdenv.mkDerivation rec {
     sha256 = "1zwxh7zsvwcg221mpjh0dhpdas3j9mc5q92pprf8yljl7clqvg62";
   };
 
+  hiresSrc = fetchurl {
+    url = "ftp://ftp.math.s.chiba-u.ac.jp/emacs/emacs-hires-icons-2.0.tar.gz";
+    sha256 = "1ari8n3y1d4hdl9npg3c3hk27x7cfkwfgyhgzn1vlqkrdah4z434";
+  };
+
   enableParallelBuilding = true;
 
   buildInputs = [ ncurses libxml2 gnutls pkgconfig texinfo gettext autoconf automake];
@@ -32,12 +37,18 @@ stdenv.mkDerivation rec {
     mv $sourceRoot $name
     tar xzf $macportSrc
     mv $name $sourceRoot
+
+    # extract retina image resources
+    tar xzfv $hiresSrc --strip 1 -C $sourceRoot
   '';
 
   postPatch = ''
     patch -p1 < patch-mac
     substituteInPlace lisp/international/mule-cmds.el \
       --replace /usr/share/locale ${gettext}/share/locale
+
+    # use newer emacs icon
+    cp nextstep/Cocoa/Emacs.base/Contents/Resources/Emacs.icns mac/Emacs.app/Contents/Resources/Emacs.icns
   '';
 
   configureFlags = [