Print the output of Jekyll if the command fails

features/step_definitions/jekyll_steps.rb

@@ -1,9 +1,13 @@
 Before do
-  FileUtils.rm_rf(TEST_DIR)
   FileUtils.mkdir(TEST_DIR)
   Dir.chdir(TEST_DIR)
 end
 
+After do
+  FileUtils.rm_rf(TEST_DIR)
+  FileUtils.rm_rf(JEKYLL_COMMAND_OUTPUT_FILE)
+end
+
 World(Test::Unit::Assertions)
 
 Given /^I have a blank site in "(.*)"$/ do |path|
@@ -123,23 +127,23 @@ end
 
 
 When /^I run jekyll$/ do
-  run_jekyll
+  run_jekyll_build
 end
 
 When /^I run jekyll in safe mode$/ do
-  run_jekyll(:safe => true)
+  run_jekyll_build("--safe")
 end
 
 When /^I run jekyll with drafts$/ do
-  run_jekyll(:drafts => true)
+  run_jekyll_build("--drafts")
 end
 
 When /^I call jekyll new with test_blank --blank$/ do
-  call_jekyll_new(:path => "test_blank", :blank => true)
+  run_jekyll_new("test_blank --blank")
 end
 
 When /^I debug jekyll$/ do
-  run_jekyll(:debug => true)
+  run_jekyll_build("--verbose")
 end
 
 When /^I change "(.*)" to contain "(.*)"$/ do |file, text|

features/support/env.rb

@@ -10,23 +10,31 @@ require 'time'
 
 TEST_DIR    = File.join('/', 'tmp', 'jekyll')
 JEKYLL_PATH = File.join(File.dirname(__FILE__), '..', '..', 'bin', 'jekyll')
+JEKYLL_COMMAND_OUTPUT_FILE = File.join('/', 'tmp', 'jekyll_output.txt')
 
-def run_jekyll(opts = {})
-  command = JEKYLL_PATH.clone
-  command << " build"
-  command << " --drafts" if opts[:drafts]
-  command << " --safe" if opts[:safe]
-  command << " >> /dev/null 2>&1" if opts[:debug].nil?
+def jekyll_output_file
+  JEKYLL_COMMAND_OUTPUT_FILE
+end
+
+def jekyll_output
+  File.read(jekyll_output_file)
+end
+
+def run_jekyll(args, output_file)
+  command = "#{JEKYLL_PATH} #{args} > #{jekyll_output_file} 2>&1"
   system command
 end
 
-def call_jekyll_new(opts = {})
-  command = JEKYLL_PATH.clone
-  command << " new"
-  command << " #{opts[:path]}" if opts[:path]
-  command << " --blank" if opts[:blank]
-  command << " >> /dev/null 2>&1" if opts[:debug].nil?
-  system command
+def run_jekyll_build(build_args = "")
+  if !run_jekyll("build #{build_args}", jekyll_output_file) || build_args.eql?("--verbose")
+    puts jekyll_run_output
+  end
+end
+
+def run_jekyll_new(new_args = "")
+  unless run_jekyll("new #{new_args}", jekyll_output_file)
+    puts jekyll_run_output
+  end
 end
 
 def slug(title)