fix erb processing for good

features/gemfile.feature

@@ -35,6 +35,7 @@ Feature: Gemfiles
   Scenario: Simple env
     Given I have the file "Gemfile.erb" with the content:
       """
+      gem 'test'
       <% env :local do %>
         gem 'test'
       <% end %>
@@ -44,7 +45,9 @@ Feature: Gemfiles
       """
       # generated by penchant, environment: local
       gem 'test'
+      gem 'test'
       """
+
   Scenario: Use placeholder expansion
     Given I have the file "Gemfile.erb" with the content:
       """

features/ruby_gemfile.feature

@@ -1,6 +1,5 @@
 @fakefs
 Feature: Gemfiles
-  @wip
   Scenario: Process a pure Ruby gemfile
     Given I have the file "Gemfile.penchant" with the content:
       """

features/step_definitions/then/the_file_gemfile_should_have_the_following_stripped_content.rb

@@ -2,6 +2,8 @@ Then /^the file "(.*?)" should have the following stripped content:$/ do |file,
   test_lines = string.lines.to_a
 
   File.read(file).lines.collect(&:strip).reject(&:empty?).to_a.each do |line|
+    raise StandardError.new if test_lines.empty?
+
     line.strip.should == test_lines.shift.strip
   end
 end

lib/penchant/gemfile.rb

@@ -183,6 +183,7 @@ module Penchant
       def env(check, template = {}, &block)
         if check.to_s == @environment.to_s
           original_erbout = @_erbout.dup
+          @_erbout = ''
 
           output = instance_eval(&block).lines.to_a
 

lib/penchant/version.rb

@@ -1,3 +1,3 @@
 module Penchant
-  VERSION = "0.2.3"
+  VERSION = "0.2.4"
 end