From 517ed7d211d62b444cb2d18144d1f108482c1aec Mon Sep 17 00:00:00 2001
From: Maurice Kelly <osv-github@chatswood.org.uk>
Date: Tue, 28 Feb 2017 19:27:47 +0000
Subject: [PATCH] Include mixEnv parameter and apply to environment

---
 README.md    | 2 ++
 lib/init.js  | 7 +++++++
 package.json | 6 ++++++
 3 files changed, 15 insertions(+)

diff --git a/README.md b/README.md
index 89bc276..b8fc51f 100644
--- a/README.md
+++ b/README.md
@@ -40,6 +40,8 @@ Plugin should work with default settings. If not:
 
 5.  `always use elixirc` option - leave it disabled, unless `mix compile` is too slow.
 
+6.  `mix env` option - Allows changing the Mix environment for lint runs. If using IEx at the same time as Atom this can be changed to allow IEx to pick up code changes.
+
 ## Usage
 
 If you open folder with mix project (`mix.exs` exists in project's root
diff --git a/lib/init.js b/lib/init.js
index 0424621..17bea42 100644
--- a/lib/init.js
+++ b/lib/init.js
@@ -13,6 +13,7 @@ const elixirProjectPathCache = new Map();
 let elixircPath;
 let mixPath;
 let forceElixirc;
+let mixEnv;
 
 function regexp(string, flags) {
   return new RegExp(
@@ -243,6 +244,7 @@ const getOpts = async filePath => ({
   throwOnStdErr: false,
   stream: 'both',
   allowEmptyStderr: true,
+  env: { MIX_ENV: mixEnv },
 });
 
 const getDepsPa = async (filePath) => {
@@ -322,6 +324,11 @@ export default {
         forceElixirc = value;
       }),
     );
+    this.subscriptions.add(
+      atom.config.observe('linter-elixirc.mixEnv', (value) => {
+        mixEnv = value;
+      }),
+    );
   },
 
   deactivate() {
diff --git a/package.json b/package.json
index e21896e..bb37518 100644
--- a/package.json
+++ b/package.json
@@ -25,6 +25,12 @@
       "title": "Always use elixirc",
       "description": "Activating this will force the plugin to never use `mix compile` and always use `elixirc`.",
       "default": false
+    },
+    "mixEnv": {
+      "type": "string",
+      "title": "Mix environment to use for linting",
+      "description": "Setting the Mix environment can avoid collisions between linter compiles and IEx sessions.",
+      "default": "dev"
     }
   },
   "providedServices": {