Rakefile
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 require "rubygems"
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 require "bundler/setup"
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 require "stringex"
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 ## -- Rsync Deploy config -- ##
 # Be sure your public key is listed in your server's ~/.ssh/authorized_keys file
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 ssh_user       = "user@domain.com"
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 ssh_port       = "22"
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 document_root  = "~/website.com/"
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 rsync_delete   = false
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 deploy_default = "rsync"
 
 # This will be configured for you when you run config_deploy
 deploy_branch  = "gh-pages"
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 ## -- Misc Configs -- ##
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 public_dir      = "public"    # compiled site directory
 source_dir      = "source"    # source file directory
 blog_index_dir  = 'source'    # directory for your blog's index page (if you put your index in source/blog/index.html, set this to 'source/blog')
 deploy_dir      = "_deploy"   # deploy directory (for Github pages deployment)
 stash_dir       = "_stash"    # directory to stash posts for speedy generation
 posts_dir       = "_posts"    # directory for blog files
 themes_dir      = ".themes"   # directory for blog files
 new_post_ext    = "markdown"  # default new post file extension when using the new_post task
 new_page_ext    = "markdown"  # default new page file extension when using the new_page task
 server_port     = "4000"      # port for preview server eg. localhost:4000
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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]"
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 task :install, :theme do |t, args|
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   if File.directory?(source_dir) || File.directory?("sass")
     abort("rake aborted!") if ask("A theme is already installed, proceeding will overwrite existing files. Are you sure?", ['y', 'n']) == 'n'
   end
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   # copy theme into working Jekyll directories
   theme = args.theme || 'classic'
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   puts "## Copying "+theme+" theme into ./#{source_dir} and ./sass"
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   mkdir_p source_dir
   cp_r "#{themes_dir}/#{theme}/source/.", source_dir
   mkdir_p "sass"
   cp_r "#{themes_dir}/#{theme}/sass/.", "sass"
   mkdir_p "#{source_dir}/#{posts_dir}"
   mkdir_p public_dir
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 end
 
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 #######################
 # Working with Jekyll #
 #######################
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 desc "Generate jekyll site"
 task :generate do
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   raise "### You haven't set anything up yet. First run `rake install` to set up an Octopress theme." unless File.directory?(source_dir)
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   puts "## Generating Site with Jekyll"
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   system "compass compile --css-dir #{source_dir}/stylesheets"
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   system "jekyll"
 end
 
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 desc "Watch the site and regenerate when it changes"
 task :watch do
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   raise "### You haven't set anything up yet. First run `rake install` to set up an Octopress theme." unless File.directory?(source_dir)
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   puts "Starting to watch source with Jekyll and Compass."
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   system "compass compile --css-dir #{source_dir}/stylesheets" unless File.exist?("#{source_dir}/stylesheets/screen.css")
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   jekyllPid = Process.spawn({"OCTOPRESS_ENV"=>"preview"}, "jekyll --auto")
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   compassPid = Process.spawn("compass watch")
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   trap("INT") {
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     [jekyllPid, compassPid].each { |pid| Process.kill(9, pid) rescue Errno::ESRCH }
     exit 0
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   }
 
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   [jekyllPid, compassPid].each { |pid| Process.wait(pid) }
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 end
 
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 desc "preview the site in a web browser"
 task :preview do
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   raise "### You haven't set anything up yet. First run `rake install` to set up an Octopress theme." unless File.directory?(source_dir)
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   puts "Starting to watch source with Jekyll and Compass. Starting Rack on port #{server_port}"
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   system "compass compile --css-dir #{source_dir}/stylesheets" unless File.exist?("#{source_dir}/stylesheets/screen.css")
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   jekyllPid = Process.spawn({"OCTOPRESS_ENV"=>"preview"}, "jekyll --auto")
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   compassPid = Process.spawn("compass watch")
   rackupPid = Process.spawn("rackup --port #{server_port}")
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   trap("INT") {
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     [jekyllPid, compassPid, rackupPid].each { |pid| Process.kill(9, pid) rescue Errno::ESRCH }
     exit 0
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   }
 
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   [jekyllPid, compassPid, rackupPid].each { |pid| Process.wait(pid) }
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 end
 
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 # usage rake new_post[my-new-post] or rake new_post['my new post'] or rake new_post (defaults to "new-post")
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 desc "Begin a new post in #{source_dir}/#{posts_dir}"
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 task :new_post, :title do |t, args|
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   raise "### You haven't set anything up yet. First run `rake install` to set up an Octopress theme." unless File.directory?(source_dir)
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   mkdir_p "#{source_dir}/#{posts_dir}"
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   args.with_defaults(:title => 'new-post')
   title = args.title
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   filename = "#{source_dir}/#{posts_dir}/#{Time.now.strftime('%Y-%m-%d')}-#{title.to_url}.#{new_post_ext}"
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   if File.exist?(filename)
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     abort("rake aborted!") if ask("#{filename} already exists. Do you want to overwrite?", ['y', 'n']) == 'n'
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   end
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   puts "Creating new post: #{filename}"
   open(filename, 'w') do |post|
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     post.puts "---"
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     post.puts "layout: post"
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     post.puts "title: \"#{title.gsub(/&/,'&')}\""
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     post.puts "date: #{Time.now.strftime('%Y-%m-%d %H:%M')}"
     post.puts "comments: true"
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     post.puts "categories: "
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     post.puts "---"
   end
 end
 
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 # usage rake new_page[my-new-page] or rake new_page[my-new-page.html] or rake new_page (defaults to "new-page.markdown")
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 desc "Create a new page in #{source_dir}/(filename)/index.#{new_page_ext}"
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 task :new_page, :filename do |t, args|
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   raise "### You haven't set anything up yet. First run `rake install` to set up an Octopress theme." unless File.directory?(source_dir)
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   args.with_defaults(:filename => 'new-page')
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   page_dir = [source_dir]
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   if args.filename.downcase =~ /(^.+\/)?(.+)/
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     filename, dot, extension = $2.rpartition('.').reject(&:empty?)         # Get filename and extension
     title = filename
     page_dir.concat($1.downcase.sub(/^\//, '').split('/')) unless $1.nil?  # Add path to page_dir Array
     if extension.nil?
       page_dir << filename
       filename = "index"
     end
     extension ||= new_page_ext
     page_dir = page_dir.map! { |d| d = d.to_url }.join('/')                # Sanitize path
     filename = filename.downcase.to_url
 
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     mkdir_p page_dir
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     file = "#{page_dir}/#{filename}.#{extension}"
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     if File.exist?(file)
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       abort("rake aborted!") if ask("#{file} already exists. Do you want to overwrite?", ['y', 'n']) == 'n'
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     end
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     puts "Creating new page: #{file}"
     open(file, 'w') do |page|
       page.puts "---"
       page.puts "layout: page"
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       page.puts "title: \"#{title}\""
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       page.puts "date: #{Time.now.strftime('%Y-%m-%d %H:%M')}"
       page.puts "comments: true"
       page.puts "sharing: true"
       page.puts "footer: true"
       page.puts "---"
     end
   else
     puts "Syntax error: #{args.filename} contains unsupported characters"
   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|
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   stash_dir = "#{source_dir}/#{stash_dir}"
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   FileUtils.mkdir(stash_dir) unless File.exist?(stash_dir)
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   Dir.glob("#{source_dir}/#{posts_dir}/*.*") do |post|
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     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
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   FileUtils.mv Dir.glob("#{source_dir}/#{stash_dir}/*.*"), "#{source_dir}/#{posts_dir}/"
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 end
 
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 desc "Clean out caches: .pygments-cache, .gist-cache, .sass-cache"
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 task :clean do
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   rm_rf [".pygments-cache/**", ".gist-cache/**", ".sass-cache/**", "source/stylesheets/screen.css"]
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 end
 
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 desc "Move sass to sass.old, install sass theme updates, replace sass/custom with sass.old/custom"
 task :update_style, :theme do |t, args|
   theme = args.theme || 'classic'
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   if File.directory?("sass.old")
     puts "removed existing sass.old directory"
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     rm_r "sass.old", :secure=>true
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   end
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   mv "sass", "sass.old"
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   puts "## Moved styles into sass.old/"
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   cp_r "#{themes_dir}/"+theme+"/sass/", "sass"
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   cp_r "sass.old/custom/.", "sass/custom"
   puts "## Updated Sass ##"
 end
 
 desc "Move source to source.old, install source theme updates, replace source/_includes/navigation.html with source.old's navigation"
 task :update_source, :theme do |t, args|
   theme = args.theme || 'classic'
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   if File.directory?("#{source_dir}.old")
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     puts "## Removed existing #{source_dir}.old directory"
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     rm_r "#{source_dir}.old", :secure=>true
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   end
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   mkdir "#{source_dir}.old"
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   cp_r "#{source_dir}/.", "#{source_dir}.old"
   puts "## Copied #{source_dir} into #{source_dir}.old/"
   cp_r "#{themes_dir}/"+theme+"/source/.", source_dir, :remove_destination=>true
   cp_r "#{source_dir}.old/_includes/custom/.", "#{source_dir}/_includes/custom/", :remove_destination=>true
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   cp "#{source_dir}.old/favicon.png", source_dir
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   mv "#{source_dir}/index.html", "#{blog_index_dir}", :force=>true if blog_index_dir != source_dir
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   cp "#{source_dir}.old/index.html", source_dir if blog_index_dir != source_dir && File.exists?("#{source_dir}.old/index.html")
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   puts "## Updated #{source_dir} ##"
 end
 
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 ##############
 # Deploying  #
 ##############
 
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 desc "Default deploy task"
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 task :deploy do
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   # Check if preview posts exist, which should not be published
   if File.exists?(".preview-mode")
     puts "## Found posts in preview mode, regenerating files ..."
     File.delete(".preview-mode")
     Rake::Task[:generate].execute
   end
 
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   Rake::Task[:copydot].invoke(source_dir, public_dir)
   Rake::Task["#{deploy_default}"].execute
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 end
 
 desc "Generate website and deploy"
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 task :gen_deploy => [:integrate, :generate, :deploy] do
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 end
 
 desc "copy dot files for deployment"
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 task :copydot, :source, :dest do |t, args|
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   FileList["#{args.source}/**/.*"].exclude("**/.", "**/..", "**/.DS_Store", "**/._*").each do |file|
     cp_r file, file.gsub(/#{args.source}/, "#{args.dest}") unless File.directory?(file)
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   end
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 end
 
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 desc "Deploy website via rsync"
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 task :rsync do
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   exclude = ""
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   if File.exists?('./rsync-exclude')
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     exclude = "--exclude-from '#{File.expand_path('./rsync-exclude')}'"
   end
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   puts "## Deploying website via Rsync"
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   ok_failed system("rsync -avze 'ssh -p #{ssh_port}' #{exclude} #{"--delete" unless rsync_delete == false} #{public_dir}/ #{ssh_user}:#{document_root}")
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 end
 
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 desc "deploy public directory to github pages"
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 multitask :push do
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   puts "## Deploying branch to Github Pages "
   (Dir["#{deploy_dir}/*"]).each { |f| rm_rf(f) }
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   Rake::Task[:copydot].invoke(public_dir, deploy_dir)
   puts "\n## copying #{public_dir} to #{deploy_dir}"
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   cp_r "#{public_dir}/.", deploy_dir
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   cd "#{deploy_dir}" do
     system "git add ."
     system "git add -u"
     puts "\n## Commiting: Site updated at #{Time.now.utc}"
     message = "Site updated at #{Time.now.utc}"
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     system "git commit -m \"#{message}\""
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     puts "\n## Pushing generated #{deploy_dir} website"
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     system "git push origin #{deploy_branch} --force"
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     puts "\n## Github Pages deploy complete"
   end
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 end
 
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 desc "Update configurations to support publishing to root or sub directory"
 task :set_root_dir, :dir do |t, args|
   puts ">>> !! Please provide a directory, eg. rake config_dir[publishing/subdirectory]" unless args.dir
   if args.dir
     if args.dir == "/"
       dir = ""
     else
       dir = "/" + args.dir.sub(/(\/*)(.+)/, "\\2").sub(/\/$/, '');
     end
     rakefile = IO.read(__FILE__)
     rakefile.sub!(/public_dir(\s*)=(\s*)(["'])[\w\-\/]*["']/, "public_dir\\1=\\2\\3public#{dir}\\3")
     File.open(__FILE__, 'w') do |f|
       f.write rakefile
     end
     compass_config = IO.read('config.rb')
     compass_config.sub!(/http_path(\s*)=(\s*)(["'])[\w\-\/]*["']/, "http_path\\1=\\2\\3#{dir}/\\3")
     compass_config.sub!(/http_images_path(\s*)=(\s*)(["'])[\w\-\/]*["']/, "http_images_path\\1=\\2\\3#{dir}/images\\3")
     compass_config.sub!(/http_fonts_path(\s*)=(\s*)(["'])[\w\-\/]*["']/, "http_fonts_path\\1=\\2\\3#{dir}/fonts\\3")
     compass_config.sub!(/css_dir(\s*)=(\s*)(["'])[\w\-\/]*["']/, "css_dir\\1=\\2\\3public#{dir}/stylesheets\\3")
     File.open('config.rb', 'w') do |f|
       f.write compass_config
     end
     jekyll_config = IO.read('_config.yml')
     jekyll_config.sub!(/^destination:.+$/, "destination: public#{dir}")
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     jekyll_config.sub!(/^subscribe_rss:\s*\/.+$/, "subscribe_rss: #{dir}/atom.xml")
     jekyll_config.sub!(/^root:.*$/, "root: /#{dir.sub(/^\//, '')}")
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     File.open('_config.yml', 'w') do |f|
       f.write jekyll_config
     end
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     rm_rf public_dir
     mkdir_p "#{public_dir}#{dir}"
     puts "## Site's root directory is now '/#{dir.sub(/^\//, '')}' ##"
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   end
 end
 
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 desc "Set up _deploy folder and deploy branch for Github Pages deployment"
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 task :setup_github_pages, :repo do |t, args|
   if args.repo
     repo_url = args.repo
   else
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     puts "Enter the read/write url for your repository" 
     puts "(For example, 'git@github.com:your_username/your_username.github.com)"
     repo_url = get_stdin("Repository url: ")
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   end
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   user = repo_url.match(/:([^\/]+)/)[1]
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   branch = (repo_url.match(/\/[\w-]+.github.com/).nil?) ? 'gh-pages' : 'master'
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   project = (branch == 'gh-pages') ? repo_url.match(/\/([^\.]+)/)[1] : ''
   unless `git remote -v`.match(/origin.+?octopress.git/).nil?
     # If octopress is still the origin remote (from cloning) rename it to octopress
     system "git remote rename origin octopress"
     if branch == 'master'
       # If this is a user/organization pages repository, add the correct origin remote
       # and checkout the source branch for committing changes to the blog source.
       system "git remote add origin #{repo_url}"
       puts "Added remote #{repo_url} as origin"
       system "git config branch.master.remote origin"
       puts "Set origin as default remote"
       system "git branch -m master source"
       puts "Master branch renamed to 'source' for committing your blog source files"
     else
       unless !public_dir.match("#{project}").nil?
         system "rake set_root_dir[#{project}]"
       end
     end
   end
   url = "http://#{user}.github.com"
   url += "/#{project}" unless project == ''
   jekyll_config = IO.read('_config.yml')
   jekyll_config.sub!(/^url:.*$/, "url: #{url}")
   File.open('_config.yml', 'w') do |f|
     f.write jekyll_config
   end
   rm_rf deploy_dir
   mkdir deploy_dir
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   cd "#{deploy_dir}" do
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     system "git init"
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     system "echo 'My Octopress Page is coming soon &hellip;' > index.html"
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     system "git add ."
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     system "git commit -m \"Octopress init\""
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     system "git branch -m gh-pages" unless branch == 'master'
     system "git remote add origin #{repo_url}"
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     rakefile = IO.read(__FILE__)
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     rakefile.sub!(/deploy_branch(\s*)=(\s*)(["'])[\w-]*["']/, "deploy_branch\\1=\\2\\3#{branch}\\3")
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     rakefile.sub!(/deploy_default(\s*)=(\s*)(["'])[\w-]*["']/, "deploy_default\\1=\\2\\3push\\3")
     File.open(__FILE__, 'w') do |f|
       f.write rakefile
     end
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   end
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   puts "\n---\n## Now you can deploy to #{url} with `rake deploy` ##"
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 end
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 def ok_failed(condition)
   if (condition)
     puts "OK"
   else
     puts "FAILED"
   end
 end
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 def get_stdin(message)
   print message
   STDIN.gets.chomp
 end
 
 def ask(message, valid_options)
   if valid_options
     answer = get_stdin("#{message} #{valid_options.to_s.gsub(/"/, '').gsub(/, /,'/')} ") while !valid_options.include?(answer)
   else
     answer = get_stdin(message)
   end
   answer
 end
 
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 desc "list tasks"
 task :list do
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   puts "Tasks: #{(Rake::Task.tasks - [Rake::Task[:list]]).join(', ')}"
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   puts "(type rake -T for more detail)\n\n"
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 end