Rakefile
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 require "rubygems"
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 require "bundler/setup"
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 port        = "4000"      # preview project port eg. http://localhost:4000
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 site        = "public"    # compiled site directory
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 source      = "source"    # source file directory
 stash       = "_stash"    # directory to stash posts for speedy generation
 posts       = "_posts"    # directory for blog files
 post_format = "markdown"  # file format for new posts when using the post rake task
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 ## -- Rsync Deploy config -- ##
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 # Be sure your public key is listed in your server's ~/.ssh/authorized_keys file
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 ssh_user      = "user@host.com"    # for rsync deployment
 document_root = "~/document_root/" # for rsync deployment
 
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 ## -- Github Pages deploy config -- ##
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 # Read http://pages.github.com for guidance
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 # You can deploy to github pages with `rake push_github` or change the default push task to :push_github
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 source_branch = "source" # this compiles to your deploy branch
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 deploy_branch = "master" # For user pages, use "master" for project pages use "gh-pages"
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 desc "Initial setup for Octopress: copies the default theme into the path of Jekyll's generator. rake install defaults to rake install[classic] to install a different theme run rake install[some_theme_name]"
 task :install, :theme do |t, args|
   # copy theme into working Jekyll directories
   theme = args.theme || 'classic'
   puts "## Copying "+theme+" theme to Jekyll paths"
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   system "mkdir -p #{source}; cp -R themes/"+theme+"/source/ #{source}/"
   system "mkdir -p sass; cp -R themes/"+theme+"/sass/ sass/"
   system "mkdir -p _plugins; cp -R themes/"+theme+"/_plugins/ _plugins/"
   system "mkdir -p #{source}/_posts";
   puts "## Layouts, images, and javascritps from the #{theme} theme have been installed into ./#{source}"
   puts "## Sass stylesheet sources from the #{theme} theme have been installed into ./sass"
   puts "## Plugins from the #{theme} theme have been installed into ./_plugins"
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 end
 
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 #######################
 # Working with Jekyll #
 #######################
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 desc "Watch the site and regenerate when it changes"
 task :watch do
   system "trap 'kill $jekyllPid $compassPid' Exit; jekyll --auto & jekyllPid=$!; compass watch & compassPid=$!; wait"
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 end
 
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 desc "preview the site in a web browser"
 task :preview do
   system "trap 'kill $jekyllPid $compassPid' Exit; jekyll --auto --server & jekyllPid=$!; compass watch & compassPid=$!; wait"
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 end
 
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 # usage rake post[my-new-post] or rake post['my new post'] or rake post (defaults to "new-post")
 desc "Begin a new post in #{source}/_posts"
 task :post, :filename do |t, args|
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   require './_plugins/titlecase.rb'
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   args.with_defaults(:filename => 'new-post')
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   open("#{source}/_posts/#{Time.now.strftime('%Y-%m-%d')}-#{args.filename.downcase.gsub(/[ _]/, '-')}.#{post_format}", 'w') do |post|
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     post.puts "---"
     post.puts "title: \"#{args.filename.gsub(/[-_]/, ' ').titlecase}\""
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     post.puts "date: #{Time.now.strftime('%Y-%m-%d %H:%M')}"
     post.puts "layout: post"
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     post.puts "---"
   end
 end
 
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 # usage rake isolate[my-post]
 desc "Move all other posts than the one currently being worked on to a temporary stash location (stash) so regenerating the site happens much quicker."
 task :isolate, :filename do |t, args|
   stash_dir = "#{source}/#{stash}"
   FileUtils.mkdir(stash_dir) unless File.exist?(stash_dir)
   Dir.glob("#{source}/#{posts}/*.*") do |post|
     FileUtils.mv post, stash_dir unless post.include?(args.filename)
   end
 end
 
 desc "Move all stashed posts back into the posts directory, ready for site generation."
 task :integrate do
   FileUtils.mv Dir.glob("#{source}/#{stash}/*.*"), "#{source}/#{posts}/"
 end
 
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 ##############
 # Deploying  #
 ##############
 
 ## if you're deploying with github, change the default deploy to push_github
 desc "default push task"
 task :push => [:push_rsync] do
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 end
 
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 desc "Generate and deploy task"
 multitask :deploy => [:integrate, :generate, :push] do
 end
 
 desc "Generate jekyll site"
 task :generate do
   puts "## Generating Site with Jekyll"
   system "jekyll"
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 end
 
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 def ok_failed(condition)
   if (condition)
     puts "OK"
   else
     puts "FAILED"
   end
 end
 
 desc "Deploy website via rsync"
 task :push_rsync do
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   puts "## Deploying website via Rsync"
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   ok_failed system("rsync -avz --delete #{site}/ #{ssh_user}:#{document_root}")
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 end
 
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 desc "deploy website to github pages"
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 multitask :push_github do
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   puts "## Deploying #{deploy_branch} branch to Github Pages "
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   require 'git'
   repo = Git.open('.')
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   puts "\n## Checking out #{deploy_branch} branch \n"
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   repo.branch("#{deploy_branch}").checkout
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   (Dir["*"] - ["#{site}"]).each { |f| rm_rf(f) }
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   Dir["#{site}/*"].each {|f| mv(f, ".")}
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   rm_rf("#{site}")
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   puts "\n## Moving generated /#{site} files \n"
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   Dir["**/*"].each {|f| repo.add(f) }
   repo.status.deleted.each {|f, s| repo.remove(f)}
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   puts "\n## Commiting: Site updated at #{Time.now.utc} \n"
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   message = ENV["MESSAGE"] || "Site updated at #{Time.now.utc}"
   repo.commit(message)
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   puts "\n## Pushing generated /#{site} files to #{deploy_branch} branch\n"
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   repo.push
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   puts "\n## Github Pages deploy complete\n"
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   repo.branch("#{source_branch}").checkout
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 end
 
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 desc "list tasks"
 task :list do
   puts "Tasks: #{(Rake::Task.tasks - [Rake::Task[:list]]).to_sentence}"
   puts "(type rake -T for more detail)\n\n"
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 end