Module: Kango::Installer

Defined in:
lib/kango/installer.rb

Class Method Summary collapse

Class Method Details

.run!Object



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# File 'lib/kango/installer.rb', line 3

def self.run!
  if Kango::Framework.exists?
    puts "Framework exists! Will not re-install."
  else
    zipfile = File.expand_path(File.join("~", 'kango-framework.zip'))
    puts "Downloading Kango Framework to #{zipfile}..."
    require 'open-uri'
    File.open(zipfile, 'wb') do |file|
      open(Kango::Framework::URL, 'rb') do |download|
        file.write download.read
      end
    end
    require 'zip'
    puts "Download complete! Extracting..."
    begin
      Zip::File.open(zipfile) do |zip|
        zip.each do |zipentry|
          entryname = Kango::Framework::PATH + "/" + zipentry.to_s
          FileUtils.mkdir_p entryname.rpartition("/").first
          File.open(entryname, 'w') do |f|
            f.write zip.get_input_stream(zipentry).read
          end
        end
        zip.close
        puts "Extraction complete! Cleaning up..."
      end
    rescue Errno::EACCES => e
      puts "Permission denied. Ensure your home directory is writable."
      FileUtils.rm_f zipfile
      FileUtils.rm_rf Kango::Framework::PATH
      return
    end
    if Kango::Framework.exists?
      begin
        FileUtils.rm zipfile
      rescue Errno::EACCES => e
        puts "Permission denied when trying to delete download zip."
        puts "Remove #{zipfile} manually."
      end
      puts "Kango Framework is ready. You can now 'kango build'"
    else
      puts "Something went wrong... probably could not download Kango Framework"
    end
  end
end