From 05df6d4f6232be5cf5586f2e89d053ec582eeec6 Mon Sep 17 00:00:00 2001
From: Antoine Eiche <lewo@abesis.fr>
Date: Tue, 17 Jul 2018 15:19:26 +0200
Subject: goBuildPackage: Add -x to the go build command if NIX_DEBUG >= 1

The -x go option prints all intermediate commands used by the Go
compiler. For instance, this is pretty useful to debug Go LD_FLAGS
because the used linker command is printed.
---
 pkgs/development/go-modules/generic/default.nix | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pkgs/development/go-modules/generic/default.nix b/pkgs/development/go-modules/generic/default.nix
index bd047da4c919..621ab1f18f9f 100644
--- a/pkgs/development/go-modules/generic/default.nix
+++ b/pkgs/development/go-modules/generic/default.nix
@@ -151,6 +151,10 @@ go.stdenv.mkDerivation (
       fi
     }
 
+    if (( "''${NIX_DEBUG:-0}" >= 1 )); then
+      buildFlagsArray+=(-x)
+    fi
+
     if [ ''${#buildFlagsArray[@]} -ne 0 ]; then
       declare -p buildFlagsArray > $TMPDIR/buildFlagsArray
     else
-- 
cgit 1.4.1