From 082f2e6938df4e7991856ccca35bb558cdee03ef Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Llu=C3=ADs=20Batlle=20i=20Rossell?= <viric@viric.name>
Date: Thu, 21 Jan 2016 15:05:40 +0100
Subject: [PATCH] go builder: respect enableParallelBuilding

It was parallelizing for $NIX_BUILD_CORES regardless of
enableParallelBuilding.
---
 pkgs/development/go-modules/generic/default.nix | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pkgs/development/go-modules/generic/default.nix b/pkgs/development/go-modules/generic/default.nix
index bd2289723f8..260e8d66c58 100644
--- a/pkgs/development/go-modules/generic/default.nix
+++ b/pkgs/development/go-modules/generic/default.nix
@@ -112,6 +112,9 @@ go.stdenv.mkDerivation (
     }
 
     export -f buildGoDir # parallel needs to see the function
+    if [ -z "$enableParallelBuilding" ]; then
+        export NIX_BUILD_CORES=1
+    fi
     getGoDirs "" | parallel -j $NIX_BUILD_CORES buildGoDir install
 
     runHook postBuild