Convert line endings to Unix-style [GH-727]

CHANGELOG.md

@@ -14,6 +14,7 @@
   - Fix issue where starting a VM on some systems was incorrectly treated
     as failing. [GH-720]
   - It is now an error to specify the packaging `output` as a directory. [GH-730]
+  - Unix-style line endings are used properly for guest OS. [GH-727]
 
 ## 0.9.7 (February 9, 2012)
 

lib/vagrant/guest/redhat.rb

@@ -1,6 +1,7 @@
 require 'set'
 require 'tempfile'
 
+require 'vagrant/util/line_ending_helpers'
 require 'vagrant/util/template_renderer'
 
 module Vagrant
@@ -8,6 +9,7 @@ module Vagrant
     class Redhat < Linux
       # Make the TemplateRenderer top-level
       include Vagrant::Util
+      include Vagrant::Util::LineEndingHelpers
 
       def configure_networks(networks)
         # Accumulate the configurations to add to the interfaces file as
@@ -28,6 +30,9 @@ module Vagrant
           entry = TemplateRenderer.render("guests/redhat/network_#{network[:type]}",
                                           :options => network)
 
+          # Convert line endings to unix-style
+          entry = dos_to_unix(entry)
+
           temp = Tempfile.new("vagrant")
           temp.write(entry)
           temp.close

lib/vagrant/util/line_ending_helpers.rb

@@ -0,0 +1,14 @@
+module Vagrant
+  module Util
+    module LineEndingHelpers
+      # Converts line endings to unix-style line endings in the
+      # given string.
+      #
+      # @param [String] string Original string
+      # @return [String] The fixed string
+      def dos_to_unix(string)
+        string.gsub("\r\n", "\n")
+      end
+    end
+  end
+end

test/unit/vagrant/util/line_endings_helper_test.rb

@@ -0,0 +1,16 @@
+require File.expand_path("../../../base", __FILE__)
+
+require "vagrant/util/line_ending_helpers"
+
+describe Vagrant::Util::LineEndingHelpers do
+  let(:klass) do
+    Class.new do
+      extend Vagrant::Util::LineEndingHelpers
+    end
+  end
+
+  it "should convert DOS to unix-style line endings" do
+    klass.dos_to_unix("foo\r\nbar\r\n").should == "foo\nbar\n"
+  end
+end
+