-

diff --git a/webpack.config.js b/webpack.config.js
index ff2c436..b779dbc 100644
--- a/webpack.config.js
+++ b/webpack.config.js
@@ -1,6 +1,7 @@
 /* global __dirname:false */
 
-var webpack = require('webpack');
+var webpack = require('webpack'),
+    exec = require('child_process').exec;
 
 module.exports = {
   // for every key under 'entry', a JS file will be created in output.
@@ -58,7 +59,23 @@ module.exports = {
       // @see https://console.developers.google.com
       GOOGLE_API_CLIENT_ID: "'803535453852-drbc3bdsk9tqkpn56cigp8oukkkr72la.apps.googleusercontent.com'",
       GOOGLE_API_KEY: "'SEbpn0ikI6EdCXi1nrMvFFy8'",
-    })
+    }),
+    {
+      apply: function(compiler) {
+        compiler.plugin("compile", function(compilation) {
+          exec('tmux set status-left-bg colour58');
+        });
+        compiler.plugin("done", function(compilation) {
+          if (compilation.hasErrors()) {
+            exec('tmux set status-left-bg red');
+          } else if (compilation.hasWarnings()) {
+            exec('tmux set status-left-bg yellow');
+          } else {
+            exec('tmux set status-left-bg green');
+          }
+        });
+      }
+    }
   ],
 
   externals: {