From 5323fdc377d6034cdb625547600144881ae1af46 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Eric=20Meadows-J=C3=B6nsson?=
 <eric.meadows.jonsson@gmail.com>
Date: Tue, 22 Nov 2016 22:22:05 +0100
Subject: Always read REBAR_CONFIG env var when loading config

---
 src/rebar.hrl        |  1 -
 src/rebar3.erl       |  7 +------
 src/rebar_config.erl | 19 +++++++++++++++++--
 3 files changed, 18 insertions(+), 9 deletions(-)

diff --git a/src/rebar.hrl b/src/rebar.hrl
index f96ed5e..c94a84a 100644
--- a/src/rebar.hrl
+++ b/src/rebar.hrl
@@ -22,7 +22,6 @@
 -define(DEFAULT_PLUGINS_DIR, "plugins").
 -define(DEFAULT_TEST_DEPS_DIR, "test/lib").
 -define(DEFAULT_RELEASE_DIR, "rel").
--define(DEFAULT_CONFIG_FILE, "rebar.config").
 -define(CONFIG_VERSION, "1.1.0").
 -define(DEFAULT_CDN, "https://repo.hex.pm/").
 -define(REMOTE_PACKAGE_DIR, "tarballs").
diff --git a/src/rebar3.erl b/src/rebar3.erl
index 47dc25a..4e7e284 100644
--- a/src/rebar3.erl
+++ b/src/rebar3.erl
@@ -149,12 +149,7 @@ init_config() ->
     Verbosity = log_level(),
     ok = rebar_log:init(command_line, Verbosity),
 
-    Config = case os:getenv("REBAR_CONFIG") of
-                 false ->
-                     rebar_config:consult_file(?DEFAULT_CONFIG_FILE);
-                 ConfigFile ->
-                     rebar_config:consult_file(ConfigFile)
-             end,
+    Config = rebar_config:consult(),
     Config1 = rebar_config:merge_locks(Config, rebar_config:consult_lock_file(?LOCK_FILE)),
 
     %% If $HOME/.config/rebar3/rebar.config exists load and use as global config
diff --git a/src/rebar_config.erl b/src/rebar_config.erl
index b50c030..b2db868 100644
--- a/src/rebar_config.erl
+++ b/src/rebar_config.erl
@@ -26,7 +26,8 @@
 %% -------------------------------------------------------------------
 -module(rebar_config).
 
--export([consult/1
+-export([consult/0
+        ,consult/1
         ,consult_app_file/1
         ,consult_file/1
         ,consult_lock_file/1
@@ -39,13 +40,19 @@
 -include("rebar.hrl").
 -include_lib("providers/include/providers.hrl").
 
+-define(DEFAULT_CONFIG_FILE, "rebar.config").
+
 %% ===================================================================
 %% Public API
 %% ===================================================================
 
+-spec consult() -> [any()].
+consult() ->
+    consult_file(config_file()).
+
 -spec consult(file:name()) -> [any()].
 consult(Dir) ->
-    consult_file(filename:join(Dir, ?DEFAULT_CONFIG_FILE)).
+    consult_file(filename:join(Dir, config_file())).
 
 consult_app_file(File) ->
     consult_file_(File).
@@ -300,3 +307,11 @@ check_newly_added_(Dep, LockedDeps) when is_atom(Dep) ->
     end;
 check_newly_added_(Dep, _) ->
     throw(?PRV_ERROR({bad_dep_name, Dep})).
+
+config_file() ->
+    case os:getenv("REBAR_CONFIG") of
+        false ->
+            ?DEFAULT_CONFIG_FILE;
+        ConfigFile ->
+            ConfigFile
+    end.
-- 
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