From eac25eaf69b8df9da28b1f94cb009320671ce32a Mon Sep 17 00:00:00 2001
From: Gleb Peregud <gleber.p@gmail.com>
Date: Thu, 10 Dec 2015 22:50:19 +0100
Subject: [PATCH] Simplify patch and move pc compile call into buildPhase

---
 pkgs/development/erlang-modules/build-hex.nix | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/pkgs/development/erlang-modules/build-hex.nix b/pkgs/development/erlang-modules/build-hex.nix
index d5c71f882ff..f6b873f433a 100644
--- a/pkgs/development/erlang-modules/build-hex.nix
+++ b/pkgs/development/erlang-modules/build-hex.nix
@@ -22,11 +22,7 @@ stdenv.mkDerivation (attrs // {
 
     # TODO: figure out how to provide 'pc' plugin hermetically
     ${if compilePorts then ''
-    echo "{plugins, [pc]}.
-    {provider_hooks,
-    [{post,
-     [{compile, {pc, compile}},
-      {clean, {pc, clean}}]}]}." >> rebar.config
+    echo "{plugins, [pc]}." >> rebar.config
     '' else ''''}
 
     ${postPatch}
@@ -58,8 +54,8 @@ stdenv.mkDerivation (attrs // {
   # this hermetic
   buildPhase = ''
     runHook preBuild
-    HOME=. rebar3 update
-    HOME=. rebar3 compile
+    HOME=. rebar3 do update, compile
+    HOME=. rebar3 pc compile
     runHook postBuild
   '';