From 04d8e267b7069c07491e8934d7911cd2a18c8c21 Mon Sep 17 00:00:00 2001
From: Matt McHenry <github@matt.mchenryfamily.org>
Date: Sat, 15 Sep 2018 12:24:34 -0400
Subject: [PATCH 1/2] elm: pick up some recent minor updates to 0.19.0

---
 pkgs/development/compilers/elm/packages/elm.nix | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/pkgs/development/compilers/elm/packages/elm.nix b/pkgs/development/compilers/elm/packages/elm.nix
index 1097c8a1e1926..41998f4c9b3d8 100644
--- a/pkgs/development/compilers/elm/packages/elm.nix
+++ b/pkgs/development/compilers/elm/packages/elm.nix
@@ -11,8 +11,8 @@ mkDerivation {
   version = "0.19.0";
   src = fetchgit {
     url = "https://github.com/elm/compiler";
-    sha256 = "0s93z9vr0vp5w894ghc5s34nsq09sg1msf59zfiba87sid5vgjqy";
-    rev = "32059a289d27e303fa1665e9ada0a52eb688f302";
+    sha256 = "13jks6c6i80z71mjjfg46ri570g5ini0k3xw3857v6z66zcl56x4";
+    rev = "d5cbc41aac23da463236bbc250933d037da4055a";
   };
   isLibrary = false;
   isExecutable = true;

From e78f60475b27f4ec1cb7615caa84a9fe2c721cef Mon Sep 17 00:00:00 2001
From: Matt McHenry <github@matt.mchenryfamily.org>
Date: Sat, 15 Sep 2018 12:16:13 -0400
Subject: [PATCH 2/2] elm: patch to widen dependency after hackage update
 1b1cb6305c

works around missing dependency 'language-glsl >=0.0.2 && <0.3'

patch from https://github.com/elm/compiler/pull/1784
---
 pkgs/development/compilers/elm/default.nix | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/pkgs/development/compilers/elm/default.nix b/pkgs/development/compilers/elm/default.nix
index 93deb4a90aff9..692404a19bf65 100644
--- a/pkgs/development/compilers/elm/default.nix
+++ b/pkgs/development/compilers/elm/default.nix
@@ -1,4 +1,6 @@
-{ lib, stdenv, buildEnv, haskell, nodejs, fetchurl, makeWrapper, git }:
+{ lib, stdenv, buildEnv
+, haskell, nodejs
+, fetchurl, fetchpatch, makeWrapper, git }:
 
 # To update:
 
@@ -90,6 +92,12 @@ let
                 export ELM_HOME=`pwd`/.elm
               '' + (makeDotElm "0.19.0" (import ./packages/elm-elm.nix));
               buildTools = drv.buildTools or [] ++ [ makeWrapper ];
+              patches = [
+                (fetchpatch {
+                  url = "https://github.com/elm/compiler/pull/1784/commits/78d2d8eab310552b1b877a3e90e1e57e7a09ddec.patch";
+                  sha256 = "0vdhk16xqm2hxw12s1b91a0bmi8w4wsxc086qlzglgnjxrl5b3w4";
+                })
+              ];
               postInstall = ''
                 wrapProgram $out/bin/elm \
                   --prefix PATH ':' ${lib.makeBinPath [ nodejs ]}