fix: return exit code

Gruntfile.coffee

@@ -1,14 +1,12 @@
 # JS Hint options
 JSHINT_BROWSER =
   browser: true,
-  es5: true,
   strict: false
   undef: false
   camelcase: false
 
 JSHINT_NODE =
   node: true,
-  es5: true,
   strict: false
 
 module.exports = (grunt) ->
@@ -20,6 +18,7 @@ module.exports = (grunt) ->
 
     files:
       bin: ['bin/*']
+      lib: ['lib/*']
 
     # JSHint options
     # http://www.jshint.com/options/
@@ -28,6 +27,10 @@ module.exports = (grunt) ->
         files:
           src: '<%= files.bin %>'
         options: JSHINT_NODE
+      lib:
+        files:
+          src: '<%= files.lib %>'
+        options: JSHINT_NODE
 
       options:
         quotmark: 'single'

bin/karma

@@ -3,6 +3,7 @@
 var path = require('path');
 var fs = require('fs');
 var resolve = require('resolve');
+var info = require('../lib/log');
 
 var NODE_PATH = process.env.NODE_PATH;
 
@@ -13,22 +14,6 @@ var NODE_PATH = process.env.NODE_PATH;
 //   - a siblink module to karma-cli (that loads the global karma, when using NVM),
 //   - a global module (NODE_PATH)
 
-
-var requireCliAndRun = function(karmaPath) {
-  if (process.argv.indexOf('--which') !== -1) {
-    console.log(karmaPath);
-  } else {
-    var karmaCli = require(path.join(karmaPath, 'lib', 'cli'));
-
-    if (karmaCli.run) {
-      karmaCli.run();
-    } else {
-      karmaCliRun(karmaCli, karmaPath);
-    }
-  }
-};
-
-
 // TODO(vojta): remove once we don't care about Karma 0.10
 var karmaCliRun = function(karmaCli, karmaPath) {
   var config = karmaCli.process();
@@ -50,6 +35,21 @@ var karmaCliRun = function(karmaCli, karmaPath) {
 };
 
 
+var requireCliAndRun = function(karmaPath) {
+  if (process.argv.indexOf('--which') !== -1) {
+    info.log(karmaPath);
+  } else {
+    var karmaCli = require(path.join(karmaPath, 'lib', 'cli'));
+
+    if (karmaCli.run) {
+      karmaCli.run();
+    } else {
+      karmaCliRun(karmaCli, karmaPath);
+    }
+  }
+};
+
+
 resolve('karma', {basedir: process.cwd()}, function(err, pathToKarma) {
   // There is a local version, let's use it.
   if (!err) {
@@ -64,9 +64,9 @@ resolve('karma', {basedir: process.cwd()}, function(err, pathToKarma) {
       return requireCliAndRun(siblinkKarma);
     }
 
-    console.error('Cannot find local Karma!\n' +
+    info.fatal('Cannot find local Karma!\n' +
                   '  Please install Karma by `npm install karma --save-dev`.\n' +
-                  '  If you wanna use a global instance, please set NODE_PATH env variable.\n');
+                  '  If you wanna use a global instance, please set NODE_PATH env variable.\n', 1);
     return;
   }
 
@@ -81,6 +81,6 @@ resolve('karma', {basedir: process.cwd()}, function(err, pathToKarma) {
     }
   }
 
-  console.error('Cannot find local Karma!\n' +
-                '  Please install karma by `npm install karma --save-dev`.\n');
+  info.fatal('Cannot find local Karma!\n' +
+                '  Please install karma by `npm install karma --save-dev`.\n', 1);
 });

lib/log.js

@@ -0,0 +1,9 @@
+exports.fatal = function(message, code) {
+	console.error(message);
+	process.exit(code);
+};
+
+exports.log = function(message) {
+	console.log(message);
+	process.exit();
+};