From 4ec2b3446b359823d3ce80b66335c9b3b279a37d Mon Sep 17 00:00:00 2001
From: Tristan Sloughter <t@crashfast.com>
Date: Sat, 18 Apr 2020 07:54:57 -0600
Subject: [PATCH] set relx mode based on rebar3 profile

---
 src/rebar_relx.erl | 16 +++++++++++-----
 1 file changed, 11 insertions(+), 5 deletions(-)

diff --git a/src/rebar_relx.erl b/src/rebar_relx.erl
index 5a906043..ae29c0d1 100644
--- a/src/rebar_relx.erl
+++ b/src/rebar_relx.erl
@@ -39,14 +39,20 @@ do(Provider, State) ->
     ProfileString = rebar_dir:profile_dir_name(State),
     ExtraOverlays = [{profile_string, ProfileString}],
 
+    CurrentProfiles = rebar_state:current_profiles(State),
+    RelxMode = case lists:member(prod, CurrentProfiles) of
+                   true ->
+                       [{mode, prod}];
+                   false ->
+                       []
+               end,
     DefaultOutputDir = filename:join(rebar_dir:base_dir(State), ?DEFAULT_RELEASE_DIR),
-    RelxConfig1 = [output_dir(DefaultOutputDir, Opts),
-                   {overlay_vars_values, ExtraOverlays},
-                   {overlay_vars, [{base_dir, rebar_dir:base_dir(State)}]}
-                   | merge_overlays(RelxConfig)],
+    RelxConfig1 = RelxMode ++ [output_dir(DefaultOutputDir, Opts),
+                               {overlay_vars_values, ExtraOverlays},
+                               {overlay_vars, [{base_dir, rebar_dir:base_dir(State)}]}
+                               | merge_overlays(RelxConfig)],
     {ok, RelxState} = rlx_config:to_state(RelxConfig1),
 
-
     Providers = rebar_state:providers(State),
     Cwd = rebar_state:dir(State),
     rebar_hooks:run_project_and_app_hooks(Cwd, pre, Provider, Providers, State),