Rakefile

require "bundler/gem_tasks"
require "jekyll"
require "listen"

def listen_ignore_paths(base, options)
  [
    /_config\.ya?ml/,
    /_site/,
    /\.jekyll-metadata/
  ]
end

def listen_handler(base, options)
  site = Jekyll::Site.new(options)
  Jekyll::Command.process_site(site)
  proc do |modified, added, removed|
    t = Time.now
    c = modified + added + removed
    n = c.length
    relative_paths = c.map{ |p| Pathname.new(p).relative_path_from(base).to_s }
    print Jekyll.logger.message("Regenerating:", "#{relative_paths.join(", ")} changed... ")
    begin
      Jekyll::Command.process_site(site)
      puts "regenerated in #{Time.now - t} seconds."
    rescue => e
      puts "error:"
      Jekyll.logger.warn "Error:", e.message
      Jekyll.logger.warn "Error:", "Run jekyll build --trace for more information."
    end
  end
end

task :preview do
  base = Pathname.new('.').expand_path
  options = {
    "source"        => base.join('test').to_s,
    "destination"   => base.join('test/_site').to_s,
    "force_polling" => false,
    "serving"       => true,
    "theme"         => "minimal-mistakes-jekyll"
  }

  options = Jekyll.configuration(options)

  ENV["LISTEN_GEM_DEBUGGING"] = "1"
  listener = Listen.to(
    base.join("_data"),
    base.join("_includes"),
    base.join("_layouts"),
    base.join("_sass"),
    base.join("assets"),
    options["source"],
    :ignore => listen_ignore_paths(base, options),
    :force_polling => options['force_polling'],
    &(listen_handler(base, options))
  )

  begin
    listener.start
    Jekyll.logger.info "Auto-regeneration:", "enabled for '#{options["source"]}'"

    unless options['serving']
      trap("INT") do
        listener.stop
        puts "     Halting auto-regeneration."
        exit 0
      end

      loop { sleep 1000 }
    end
  rescue ThreadError
    # You pressed Ctrl-C, oh my!
  end

  Jekyll::Commands::Serve.process(options)
end

##############
# Jekyll tasks
##############

# Usage: rake serve, rake serve:prod
task :serve => ["serve:dev"]
namespace :serve do

  desc "Serve development Jekyll site locally"
  task :dev do
    puts "Starting up development Jekyll site server..."
    system "SSL_CERT_FILE=./_repos/cacert.pem bundle exec jekyll serve --incremental --watch --force_polling --lsi --config _config.yml,_config.dev.yml -o"
  end

  desc "Serve production Jekyll site locally"
  task :prod do
    puts "Starting up production Jekyll site server..."
    system "SSL_CERT_FILE=./_repos/cacert.pem bundle exec jekyll serve --no-watch"
  end
end

# Usage: rake build, rake build:dev, rake build:drafts
task :build => ["build:prod"]
namespace :build do

  desc "Regenerate files for production"
  task :prod do
    puts "* Regenerating files for production..."
    system "JEKYLL_ENV=production SSL_CERT_FILE=./_repos/cacert.pem bundle exec jekyll build"
  end

  desc "Regenerate files for production (Windows systems)"
  task :win do
    puts "* Regenerating files for production..."
    system "SSL_CERT_FILE=./_repos/cacert.pem bundle exec jekyll build"
  end

  desc "Regenerate files for development"
  task :dev do
    puts "* Regenerating files for development..."
    system "SSL_CERT_FILE=./_repos/cacert.pem bundle exec jekyll build --config _config.yml,_config.dev.yml --profile"
  end

  desc "Regenerate files and drafts for development"
  task :drafts do
    puts "* Regenerating files and drafts for development..."
    system "SSL_CERT_FILE=./_repos/cacert.pem bundle exec jekyll build --config _config.yml,_config.dev.yml --profile --drafts"
  end
end

# Usage: rake push, rake push:aws3
task :push => ["push:aws3"]
namespace :push do

  desc "push production Jekyll site to bucket"
  task :push do
    puts "Shoving _site into production..."
    system "s3_website push"
  end

  desc "Serve production Jekyll site locally"
  task :aws3 do
    puts "Shoving _site into production s3 bucket…"
    system "s3_website push"
  end
end