From 252376c617aa8f3003b044c897643174c07dfbda Mon Sep 17 00:00:00 2001
From: "Wael M. Nasreddine" <wael.nasreddine@gmail.com>
Date: Sun, 3 Mar 2019 09:30:43 -0800
Subject: [PATCH] go_1_12: switch to fetchurl for sha256 consistency on Darwin

fetchFromGitHub and thus fetchzip hashes the contents of the archive and
not the archive itself. Unicode file names lead to different checksums
on HFS+ vs. other file systems because of Unicode normalisation
---
 pkgs/development/compilers/go/1.12.nix | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/pkgs/development/compilers/go/1.12.nix b/pkgs/development/compilers/go/1.12.nix
index 33485ad38178..7a02bac3fdaf 100644
--- a/pkgs/development/compilers/go/1.12.nix
+++ b/pkgs/development/compilers/go/1.12.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchFromGitHub, tzdata, iana-etc, go_bootstrap, runCommand, writeScriptBin
+{ stdenv, fetchurl, tzdata, iana-etc, go_bootstrap, runCommand, writeScriptBin
 , perl, which, pkgconfig, patch, procps, pcre, cacert, llvm, Security, Foundation
 , mailcap, runtimeShell
 , buildPackages, targetPackages }:
@@ -31,11 +31,9 @@ stdenv.mkDerivation rec {
   name = "go-${version}";
   version = "1.12";
 
-  src = fetchFromGitHub {
-    owner = "golang";
-    repo = "go";
-    rev = "go${version}";
-    sha256 = "08j7ghcy5cs5p4sw5rqi57lzg52lrix8xbxn87y7y9sv6s3wx44n";
+  src = fetchurl {
+    url = "https://dl.google.com/go/go${version}.src.tar.gz";
+    sha256 = "1wl8kq21fbzmv4plnaza5acz8dhbaaq6smjzk3r6cf3l6qrkvi09";
   };
 
   # perl is used for testing go vet