From bf9f60fe747b0847adbdc3d29beaa7f6a07dfcee Mon Sep 17 00:00:00 2001
From: Kamil Chmielewski <kamil.chm@gmail.com>
Date: Wed, 6 Apr 2016 10:47:04 +0200
Subject: [PATCH] buildGoPackage: we don't need to build vendored packages

---
 pkgs/development/go-modules/generic/default.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkgs/development/go-modules/generic/default.nix b/pkgs/development/go-modules/generic/default.nix
index 93b09acbda1b..89258062f263 100644
--- a/pkgs/development/go-modules/generic/default.nix
+++ b/pkgs/development/go-modules/generic/default.nix
@@ -106,7 +106,7 @@ go.stdenv.mkDerivation (
         echo "$subPackages" | sed "s,\(^\| \),\1$goPackagePath/,g"
       else
         pushd go/src >/dev/null
-        find "$goPackagePath" -type f -name \*$type.go -exec dirname {} \; | sort | uniq
+        find "$goPackagePath" -type f -name \*$type.go -exec dirname {} \; | grep -v "/vendor/" | sort | uniq
         popd >/dev/null
       fi
     }