Html5Boilerplate.dropzone

#!/usr/bin/ruby
 
# Dropzone Destination Info
# Name: HTML5 Boilerplate
# Description: Clones the latest GitHub HTML5 Boilerplate into folder dragged onto destination, or click to select a folder to clone into.
# Events: Dragged, Clicked
# Handles: NSFilenamesPboardType
# Creator: Marcell Jusztin
# URL: http://www.marcelljusztin.com
# IconURL: http://aptonic.com/destinations/icons/html5_boilerplate.png

def dragged
  folder_path = $items[0]
  if File::ftype(folder_path).eql? 'directory'
    git_clone(folder_path, false)
    $dz.finish("Clone Completed")
  else
    $dz.finish("Must be Folder")
  end
  
  $dz.url(false)
end

def clicked
  output = `./CocoaDialog fileselect --select-directories --title "Clone repo into folder" --e --text "Select path to clone HTML5 boilerplate into:"`
  folder_name = output.split("\n")[0]
  
  if folder_name.nil? or folder_name == ""
    $dz.finish("No Folder Selected")
  else
    git_clone(folder_name, true)
    $dz.finish("Clone Completed")
  end
    
  $dz.url(false)
end

def git_clone(folder, create_folder)
  $dz.determinate(false)
  $dz.begin("Cloning HTML5 Boilerplate...")
  error_title = "HTML5 Boilerplate Clone Error"
  
  begin
    r, w = IO.pipe
    
    if create_folder
      Dir.mkdir(folder) unless File.exists?(folder)
    end
    
    Dir.chdir(folder)
    
    # Fork github thread and open STDERR
    child = fork{ STDERR.reopen w; w.close; `git clone git://github.com/h5bp/html5-boilerplate.git \"#{folder}\" --progress &` } 
    w.close
    
    $dz.determinate(true)
        
    # Read STDERR
    while(( l = r.read(100) )) 
      error = /fatal/.match(l.inspect) # Look for error message
      if error.nil?
        percent = /\d+%(?!.*\d+%)/.match(l.inspect) # Match the last occurance of the percentage
        $dz.percent(percent.to_s.gsub("\%","")) unless percent.nil? # Get rid of "%" sign and pass value to progressbar
      else
        $dz.error(error_title, l.inspect) # Output error message
      end
    end
  rescue Exception => e
    $dz.error(error_title, e)
    $dz.url(false)
  end
end