From 75ed15e174996139e439fdca407f03fadfe929da Mon Sep 17 00:00:00 2001
From: Luca Bruno <lethalman88@gmail.com>
Date: Wed, 26 Aug 2015 12:10:08 +0200
Subject: [PATCH] goPackages: disable parallel builds

It breaks cascadia tests. If a process terminates before wait,
the PID is non-existant and wait fails.
Using & and wait in bash is just broken and shouldn't be used.
We shall probably use GNU parallel for this job.

cc @wkennington
---
 pkgs/development/go-modules/generic/default.nix | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/pkgs/development/go-modules/generic/default.nix b/pkgs/development/go-modules/generic/default.nix
index fafefd325dfd..7ab3c892f569 100644
--- a/pkgs/development/go-modules/generic/default.nix
+++ b/pkgs/development/go-modules/generic/default.nix
@@ -80,8 +80,8 @@ go.stdenv.mkDerivation (
     PIDS=()
     if [ -n "$subPackages" ] ; then
         for p in $subPackages ; do
-            go install $buildFlags "''${buildFlagsArray[@]}" -p $NIX_BUILD_CORES -v $goPackagePath/$p &
-            PIDS+=("$!")
+            go install $buildFlags "''${buildFlagsArray[@]}" -p $NIX_BUILD_CORES -v $goPackagePath/$p
+            #PIDS+=("$!")
         done
     else
         pushd go/src
@@ -99,8 +99,8 @@ go.stdenv.mkDerivation (
             if [ -n "$OUT" ]; then
               echo "$OUT" >&2
             fi
-          } &
-          PIDS+=("$!")
+          }
+          #PIDS+=("$!")
         done < <(find $goPackagePath -type f -name \*.go -exec dirname {} \; | sort | uniq)
         popd
     fi
@@ -119,16 +119,16 @@ go.stdenv.mkDerivation (
     PIDS=()
     if [ -n "$subPackages" ] ; then
         for p in $subPackages ; do
-            go test -p $NIX_BUILD_CORES -v $goPackagePath/$p &
+            go test -p $NIX_BUILD_CORES -v $goPackagePath/$p
         done
-        PIDS+=("$!")
+        #PIDS+=("$!")
     else
         pushd go/src
         while read d; do
             go test -p $NIX_BUILD_CORES -v $d
         done < <(find $goPackagePath -type f -name \*_test.go -exec dirname {} \; | sort | uniq)
         popd
-        PIDS+=("$!")
+        #PIDS+=("$!")
     fi
 
     # Exit on error from the parallel process