modernizes hash syntax in guides

Author: fxn

guides/Rakefile

@@ -1,7 +1,7 @@
 namespace :guides do
 
   desc 'Generate guides (for authors), use ONLY=foo to process just "foo.md"'
-  task :generate => "generate:html"
+  task generate: "generate:html"
 
   namespace :generate do
 
@@ -76,4 +76,4 @@ Examples:
   end
 end
 
-task :default => "guides:help"
+task default: "guides:help"

guides/rails_guides/generator.rb

@@ -194,13 +194,13 @@ def generate_guide(guide, output_file)
       layout = kindle? ? "kindle/layout" : "layout"
 
       File.open(output_path, "w") do |f|
-        view = ActionView::Base.new(source_dir, :edge => @edge, :version => @version, :mobi => "kindle/#{mobi}", :lang => @lang)
+        view = ActionView::Base.new(source_dir, edge: @edge, version: @version, mobi: "kindle/#{mobi}", lang: @lang)
         view.extend(Helpers)
 
         if guide =~ /\.(\w+)\.erb$/
           # Generate the special pages like the home.
           # Passing a template handler in the template name is deprecated. So pass the file name without the extension.
-          result = view.render(:layout => layout, :formats => [$1], :file => $`)
+          result = view.render(layout: layout, formats: [$1], file: $`)
         else
           body = File.read(File.join(source_dir, guide))
           result = RailsGuides::Markdown.new(view, layout).render(body)

guides/rails_guides/helpers.rb

@@ -3,11 +3,11 @@
 module RailsGuides
   module Helpers
     def guide(name, url, options = {}, &block)
-      link = content_tag(:a, :href => url) { name }
+      link = content_tag(:a, href: url) { name }
       result = content_tag(:dt, link)
 
       if options[:work_in_progress]
-        result << content_tag(:dd, "Work in progress", :class => "work-in-progress")
+        result << content_tag(:dd, "Work in progress", class: "work-in-progress")
       end
 
       result << content_tag(:dd, capture(&block))
@@ -39,10 +39,10 @@ def docs_for_menu(position=nil)
     def author(name, nick, image = "credits_pic_blank.gif", &block)
       image = "images/#{image}"
 
-      result = tag(:img, :src => image, :class => "left pic", :alt => name, :width => 91, :height => 91)
+      result = tag(:img, src: image, class: "left pic", alt: name, width: 91, height: 91)
       result << content_tag(:h3, name)
       result << content_tag(:p, capture(&block))
-      content_tag(:div, result, :class => "clearfix", :id => nick)
+      content_tag(:div, result, class: "clearfix", id: nick)
     end
 
     def code(&block)

guides/rails_guides/indexer.rb

@@ -39,8 +39,8 @@ def process(string, current_level=3, counters=[1])
             raise "Parsing Fail" unless @result.sub!(matched, "h#{level}(#{idx}). #{index} #{title}")
 
             key = {
-              :title => title,
-              :id => idx
+              title: title,
+              id: idx
             }
             # Recurse
             counters << 1

guides/rails_guides/markdown.rb

@@ -159,7 +159,7 @@ def render_page
         @view.content_for(:header_section) { @header }
         @view.content_for(:page_title) { @title }
         @view.content_for(:index_section) { @index }
-        @view.render(:layout => @layout, :text => @body)
+        @view.render(layout: @layout, text: @body)
       end
   end
 end