rake benchmark uses --headless arg

Rakefile

@@ -38,7 +38,7 @@ end
 
 desc "Run the benchmarks"
 task :benchmark do
-  $ATOM_ARGS.append "--benchmark", "--headless"
+  $ATOM_ARGS.push "--benchmark", "--headless"
   Rake::Task["run"].invoke
 end
 

benchmark/benchmark-bootstrap.coffee

@@ -1,6 +1,7 @@
 {$$} = require 'space-pen'
 nakedLoad 'jasmine'
 nakedLoad 'jasmine-atom-reporter'
+nakedLoad 'jasmine-console-reporter'
 nakedLoad 'jasmine-focused'
 
 $ = require 'jquery'
@@ -13,12 +14,13 @@ $('head').append $$ ->
 $('body').append $$ ->
   @div id: 'jasmine-content'
 
-jasmineEnv = jasmine.getEnv()
-atomReporter = new jasmine.AtomReporter(document, false)
-
-jasmineEnv.addReporter(atomReporter)
-
-jasmineEnv.specFilter = (spec) -> atomReporter.specFilter(spec)
+reporter = if atom.headless
+  new jasmine.ConsoleReporter(document, false)
+else
+  new jasmine.AtomReporter(document)
 
 require 'benchmark-suite'
+jasmineEnv = jasmine.getEnv()
+jasmineEnv.addReporter(reporter)
+jasmineEnv.specFilter = (spec) -> reporter.specFilter(spec)
 jasmineEnv.execute()

vendor/jasmine-console-reporter.js

@@ -1,4 +1,5 @@
-jasmine.ConsoleReporter = function(doc) {
+jasmine.ConsoleReporter = function(doc, logErrors) {
+  this.logErrors = logErrors == false ? false : true
 };
 
 jasmine.ConsoleReporter.prototype.reportRunnerStarting = function(runner) {
@@ -31,7 +32,7 @@ jasmine.ConsoleReporter.prototype.reportSpecResults = function(spec) {
   for (var i = 0; i < resultItems.length; i++) {
     var result = resultItems[i];
 
-    if (result.type == 'expect' && result.passed && !result.passed()) {
+    if (this.logErrors && result.type == 'expect' && result.passed && !result.passed()) {
       console.log(spec.getFullName())
       if (result.trace.stack) {
         console.log(result.trace.stack)