Rakefile

require "rubygems"
require "bundler/setup"

## -- Rsync Deploy config -- ##
# Be sure your public key is listed in your server's ~/.ssh/authorized_keys file
ssh_user = "dudarevc@dudarev.com"
document_root = "~/public_html/blog"
ssh_port = "22"
rsync_delete = false
deploy_default = "rsync"

# This will be configured for you when you run config_deploy
deploy_branch = "gh-pages"

## -- Misc Configs -- ##

source_dir = "." # source file directory
blog_index_dir = '.' # directory for your blog's index page (if you put your index in source/blog/index.html, set this to 'source/blog')
deploy_dir = "_site" # deploy directory (for Github pages deployment)
stash_dir = "_stash" # directory to stash posts for speedy generation
posts_dir = "_posts" # 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

#######################
# Working with Jekyll #
#######################

desc "Generate jekyll site"
task :generate do
  raise "### You haven't set anything up yet. First edit the _config.yml file." unless File.directory?(source_dir)
  puts "## Generating Site with Jekyll"
  system "compass compile --css-dir #{source_dir}/stylesheets"
  system "jekyll"
end

desc "Watch the site and regenerate when it changes"
task :watch do
  raise "### You haven't set anything up yet. First edit the _config.yml file." unless File.directory?(source_dir)
  puts "Starting to watch source with Jekyll and Compass."
  system "compass compile --css-dir #{source_dir}/stylesheets" unless File.exist?("#{source_dir}/stylesheets/screen.css")
  jekyllPid = Process.spawn({"Sani_ENV"=>"preview"}, "jekyll --auto")
  compassPid = Process.spawn("compass watch")

  trap("INT") {
    [jekyllPid, compassPid].each { |pid| Process.kill(9, pid) rescue Errno::ESRCH }
    exit 0
  }

  [jekyllPid, compassPid].each { |pid| Process.wait(pid) }
end

desc "preview the site in a web browser"
task :preview do
  raise "### You haven't set anything up yet. First edit the _config.yml file." unless File.directory?(source_dir)
  puts "Starting to watch source with Jekyll and Compass. Starting Rack on port #{server_port}"
  system "compass compile --css-dir #{source_dir}/stylesheets" unless File.exist?("#{source_dir}/stylesheets/screen.css")
  jekyllPid = Process.spawn({"Sani_ENV"=>"preview"}, "jekyll --auto")
  compassPid = Process.spawn("compass watch")
  rackupPid = Process.spawn("rackup --port #{server_port}")

  trap("INT") {
    [jekyllPid, compassPid, rackupPid].each { |pid| Process.kill(9, pid) rescue Errno::ESRCH }
    exit 0
  }

  [jekyllPid, compassPid, rackupPid].each { |pid| Process.wait(pid) }
end

# usage rake npost[my-new-post] or rake npost['my new post'] or rake npost (defaults to "new-post")
desc "Begin a new post in #{source_dir}/#{posts_dir}"
task :npost, :title do |t, args|
  raise "### You haven't set anything up yet. First edit the _config.yml file." unless File.directory?(source_dir)
  mkdir_p "#{source_dir}/#{posts_dir}"
  args.with_defaults(:title => 'new-post')
  title = args.title
  filename = "#{source_dir}/#{posts_dir}/#{Time.now.strftime('%Y-%m-%d')}-#{title.to_url}.#{new_post_ext}"
  if File.exist?(filename)
    abort("rake aborted!") if ask("#{filename} already exists. Do you want to overwrite?", ['y', 'n']) == 'n'
  end
  puts "Creating new post: #{Time.now.strftime('%Y-%m-%d')}-#{title.to_url}"
  open(filename, 'w') do |post|
    post.puts "---"
    post.puts "layout: post"
    post.puts "title: \"#{title.gsub(/&/,'&')}\""
    post.puts "date: #{Time.now.strftime('%Y-%m-%d %H:%M')}"
    post.puts "comments: true"
    post.puts "categories: "
    post.puts "---"
  end
end

# usage rake npage[my-new-page] or rake npage[my-new-page.html] or rake npage (defaults to "new-page.markdown")
desc "Create a new page in #{source_dir}/(filename)/index.#{new_page_ext}"
task :npage, :filename do |t, args|
  args.with_defaults(:filename => 'new-page')
  page_dir = [source_dir]
  if args.filename.downcase =~ /(^.+\/)?(.+)/
    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

    mkdir_p page_dir
    file = "#{page_dir}/#{filename}.#{extension}"
    if File.exist?(file)
      abort("rake aborted!") if ask("#{file} already exists. Do you want to overwrite?", ['y', 'n']) == 'n'
    end
    puts "Creating new page: #{file}"
    open(file, 'w') do |page|
      page.puts "---"
      page.puts "layout: page"
      page.puts "title: \"#{title}\""
      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

# 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_dir}/#{stash_dir}"
  FileUtils.mkdir(stash_dir) unless File.exist?(stash_dir)
  Dir.glob("#{source_dir}/#{posts_dir}/*.*") 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_dir}/#{stash_dir}/*.*"), "#{source_dir}/#{posts_dir}/"
end

desc "Clean out caches: .pygments-cache, .gist-cache, .sass-cache"
task :clean do
  rm_rf [".pygments-cache/**", ".gist-cache/**", ".sass-cache/**", "source/stylesheets/screen.css"]
end

##############
# Deploying #
##############

desc "Default deploy task"
task :deploy do
  # 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

  Rake::Task[:copydot].invoke(source_dir, deploy_dir)
  Rake::Task["#{deploy_default}"].execute
end

desc "Generate website and deploy"
task :gen_deploy => [:integrate, :generate, :deploy] do
end

desc "copy dot files for deployment"
task :copydot, :source, :dest do |t, args|
  FileList["#{args.source}/**/.*"].exclude("**/.", "**/..", "**/.DS_Store", "**/._*").each do |file|
    cp_r file, file.gsub(/#{args.source}/, "#{args.dest}") unless File.directory?(file)
  end
end

desc "deploy public directory to github pages"
multitask :push do
  puts "## Deploying branch to Github Pages "
  (Dir["#{deploy_dir}/*"]).each { |f| rm_rf(f) }
  Rake::Task
    system "git add ."
    system "git add -u"
    puts "\n## Commiting: Site updated at #{Time.now.utc}"
    message = "Site updated at #{Time.now.utc}"
    system "git commit -m \"#{message}\""
    puts "\n## Pushing generated #{deploy_dir} website"
    system "git pull origin #{deploy_branch}"
    system "git push origin #{deploy_branch} --force"
    puts "\n## Github Pages deploy complete"
end

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(/\/$/, '');
    end
    rakefile = IO.read(__FILE__)
    rakefile.sub!(/deploy_dir(\s*)=(\s*)(["'])[\w\-\/]*["']/, "deploy_dir\\1=\\2\\3public#{dir}\\3")
    File.open(__FILE__, 'w') do |f|
      f.write rakefile
    end
    compass_config = IO.read('config.rb')
    compass_config.sub!(/http_path(\s*)=(\s*)(["'])[\w\-\/]*["']/, "http_path\\1=\\2\\3#{dir}/\\3")
    compass_config.sub!(/http_images_path(\s*)=(\s*)(["'])[\w\-\/]*["']/, "http_images_path\\1=\\2\\3#{dir}/images\\3")
    compass_config.sub!(/http_fonts_path(\s*)=(\s*)(["'])[\w\-\/]*["']/, "http_fonts_path\\1=\\2\\3#{dir}/fonts\\3")
    compass_config.sub!(/css_dir(\s*)=(\s*)(["'])[\w\-\/]*["']/, "css_dir\\1=\\2\\3public#{dir}/stylesheets\\3")
    File.open('config.rb', 'w') do |f|
      f.write compass_config
    end
    jekyll_config = IO.read('_config.yml')
    jekyll_config.sub!(/^destination:.+$/, "destination: public#{dir}")
    jekyll_config.sub!(/^subscribe_rss:\s*\/.+$/, "subscribe_rss: #{dir}/atom.xml")
    jekyll_config.sub!(/^root:.*$/, "root: /#{dir.sub(/^\//, '')}")
    File.open('_config.yml', 'w') do |f|
      f.write jekyll_config
    end
    rm_rf deploy_dir
    mkdir_p "#{deploy_dir}#{dir}"
    puts "## Site's root directory is now '/#{dir.sub(/^\//, '')}' ##"
  end
end

desc "Set up _deploy folder and deploy branch for Github Pages deployment"
task :setup, :repo do |t, args|
  if args.repo
    repo_url = args.repo
  else
    repo_url = get_stdin("Enter the read/write url for your repository: ")
  end
  user = repo_url.match(/:([^\/]+)/)[1]
  branch = (repo_url.match(/\/[\w-]+.github.com/).nil?) ? 'gh-pages' : 'master'
  project = (branch == 'gh-pages') ? repo_url.match(/\/([^\.]+)/)[1] : ''
  unless `git remote -v`.match(/origin.+?Sani.git/).nil?
    # If Sani is still the origin remote (from cloning) rename it to Sani
    system "git remote rename origin Sani"
    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 !deploy_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
  rm_rf deploy_dir
  mkdir deploy_dir
  cd "#{deploy_dir}" do
    system "git init"
    system "echo 'My Sani Page is coming soon &hellip;' > index.html"
    system "git add ."
    system "git commit -m \"Sani init\""
    system "git branch -m gh-pages" unless branch == 'master'
    system "git remote add origin #{repo_url}"
    rakefile = IO.read(__FILE__)
    rakefile.sub!(/deploy_branch(\s*)=(\s*)(["'])[\w-]*["']/, "deploy_branch\\1=\\2\\3#{branch}\\3")
    rakefile.sub!(/deploy_default(\s*)=(\s*)(["'])[\w-]*["']/, "deploy_default\\1=\\2\\3push\\3")
    File.open(__FILE__, 'w') do |f|
      f.write rakefile
    end
  end
  puts "\n---\n## Now you can deploy to #{url} with `rake deploy` ##"
end

def ok_failed(condition)
  if (condition)
    puts "OK"
  else
    puts "FAILED"
  end
end

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

desc "list tasks"
task :list do
  puts "Tasks: #{(Rake::Task.tasks - [Rake::Task[:list]]).join(', ')}"
  puts "(type rake -T for more detail)\n\n"
end