Class: Phantomjs::Platform

Inherits:
Object
  • Object
show all
Defined in:
lib/gastly/phantomjs_patch.rb

Constant Summary collapse

RETRY_COUNT = 
5

Class Method Summary collapse

Class Method Details

.install! ⇒ Object 



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# File 'lib/gastly/phantomjs_patch.rb', line 10

def install!
  STDERR.puts "Phantomjs does not appear to be installed in #{phantomjs_path}, installing!"
  FileUtils.mkdir_p Phantomjs.base_dir

  # Purge temporary directory if it is still hanging around from previous installs,
  # then re-create it.
  temp_dir = File.join(temp_path, 'phantomjs_install')
  FileUtils.rm_rf temp_dir
  FileUtils.mkdir_p temp_dir

  Dir.chdir temp_dir do
    unless download_via_curl || download_via_wget
      fail "\n\nFailed to load phantomjs! :(\nYou need to have cURL or wget installed on your system.\nIf you have, the source of phantomjs might be unavailable: #{package_url}\n\n"
    end

    case package_url.split('.').last
    when 'bz2'
      system "bunzip2 #{File.basename(package_url)}"
      system "tar xf #{File.basename(package_url).sub(/\.bz2$/, '')}"
    when 'zip'
      system "unzip #{File.basename(package_url)}"
    else
      fail "Unknown compression format for #{File.basename(package_url)}"
    end

    # Find the phantomjs build we just extracted
    extracted_dir = Dir['phantomjs*'].find { |path| File.directory?(path) }

    if extracted_dir.nil?
      # Move the executable file
      FileUtils.mkdir_p File.join(Phantomjs.base_dir, platform, 'bin')
      if FileUtils.mv 'phantomjs', File.join(Phantomjs.base_dir, platform, 'bin')
        STDOUT.puts "\nSuccessfully installed phantomjs. Yay!"
      end
    else
      # Move the extracted phantomjs build to $HOME/.phantomjs/version/platform
      if FileUtils.mv extracted_dir, File.join(Phantomjs.base_dir, platform)
        STDOUT.puts "\nSuccessfully installed phantomjs. Yay!"
      end
    end

    # Clean up remaining files in tmp
    if FileUtils.rm_rf temp_dir
      STDOUT.puts 'Removed temporarily downloaded files.'
    end
  end

  fail 'Failed to install phantomjs. Sorry :(' unless File.exist?(phantomjs_path)
end