paperclip_stub.rb

# This file stub imagemagick calls on paperclip

class Paperclip::StubQueue
  cattr_accessor :q
  @@q=[]
end

module Paperclip
  def self.run cmd, arguments = "", interpolation_values = {}, local_options = {}
    case cmd

    when 'file'
      if interpolation_values[:file].match /.jpg$/
        "image/jpeg; charset=binary\n"
      else
        "application/octet-stream\n"
      end

    when 'convert'
      size = 0
      size = arguments.match(/\d+x\d+/).to_s.split('x').first.to_i if size.zero?
      size = arguments.match(/\d+>/).to_s.split('>').first.to_i if size.zero?
      StubQueue.q << size if size > 0
      # binding.pry if size == 0
      super
    
    when 'identify'
      if interpolation_values[:file].match /.jpg\[\d\]$/
        "1x1,1"
      else
        if StubQueue.q.empty?
          super
        else
          size = StubQueue.q.shift
          "#{size}x#{size},"
        end
      end
    else
      # binding.pry
      super
    end
  end
end