From 72e4baf906dcf6840880597d365da59e9e6635e0 Mon Sep 17 00:00:00 2001
From: "Heinz N. Gies" <heinz@licenser.net>
Date: Tue, 9 Feb 2016 13:51:37 -0500
Subject: Add low / high color mode

---
 src/rlx_cmd_args.erl |  4 ++--
 src/rlx_state.erl    |  4 +++-
 src/rlx_util.erl     | 11 +++++++++++
 3 files changed, 16 insertions(+), 3 deletions(-)

diff --git a/src/rlx_cmd_args.erl b/src/rlx_cmd_args.erl
index b64c05d..96ddeba 100644
--- a/src/rlx_cmd_args.erl
+++ b/src/rlx_cmd_args.erl
@@ -25,7 +25,6 @@
          format_error/1]).
 
 -include("relx.hrl").
-
 %%============================================================================
 %% API
 %%============================================================================
@@ -137,7 +136,8 @@ create(log_level, Opts) ->
     LogLevel = proplists:get_value(log_level, Opts, 0),
     if
         LogLevel >= 0, LogLevel =< 3 ->
-            {log, ec_cmd_log:new(LogLevel, command_line)};
+            {log, ec_cmd_log:new(LogLevel, command_line,
+                                 rerlx_util:intensity())};
         true ->
             throw(?RLX_ERROR({invalid_log_level, LogLevel}))
     end;
diff --git a/src/rlx_state.erl b/src/rlx_state.erl
index 42cd730..a26546d 100644
--- a/src/rlx_state.erl
+++ b/src/rlx_state.erl
@@ -146,7 +146,9 @@ new(Config, CommandLineConfig, Targets)
     {ok, Root} = file:get_cwd(),
 
     Caller = proplists:get_value(caller, CommandLineConfig, api),
-    Log = proplists:get_value(log, CommandLineConfig, ec_cmd_log:new(error, Caller)),
+    Log = proplists:get_value(
+            log, CommandLineConfig,
+            ec_cmd_log:new(error, Caller, rlx_util:intensity())),
     State0 = #state_t{log=Log,
                       config_file=Config,
                       cli_args=CommandLineConfig,
diff --git a/src/rlx_util.erl b/src/rlx_util.erl
index 9b86ad3..c1f7b38 100644
--- a/src/rlx_util.erl
+++ b/src/rlx_util.erl
@@ -38,8 +38,10 @@
          load_file/3,
          template_files/0,
          escript_foldl/3,
+         intensity/0,
          symlink_or_copy/2]).
 
+-define(DFLT_INTENSITY,   high).
 -define(ONE_LEVEL_INDENT, "     ").
 %%============================================================================
 %% types
@@ -297,6 +299,15 @@ cp_r_win32(Source,Dest) ->
                   end, filelib:wildcard(Source)),
     ok.
 
+intensity() ->
+    case os:getenv("RELX_COLOR") of
+        "high" ->
+            high;
+        "low" ->
+            low;
+        _ ->
+            ?DFLT_INTENSITY
+    end.
 %%%===================================================================
 %%% Test Functions
 %%%===================================================================
-- 
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