class Object

class << self
  def attr_block(*syms)
    syms.flatten.each do |sym|
      class_eval "def #{sym}(&block);block.call(@#{sym}) if block_given?;@#{sym};end"
    end
  end
end

end

class String

def relative_path_from(dir)
  Pathname.new(File.expand_path(self)).relative_path_from(Pathname.new(File.expand_path(dir))).to_s
end

def relative_path
  relative_path_from(Dir.pwd)
end

# Compatible with 1.9 on 1.8
def %(params)
  if params.is_a?(Hash)
    str = self.clone
    params.each do |k, v|
      str.gsub!("%{#{k}}", v)
    end
    str
  else
    if params.is_a?(Array)
      sprintf(self, *params)
    else
      sprintf(self, params)
    end
  end
end

end

class Symbol

# Compatible with 1.9 on 1.8
def to_proc
  proc { |obj, *args| obj.send(self, *args) }
end

end

$pp_show = true

if $verbose.nil?

if Rake.respond_to?(:verbose) && !Rake.verbose.nil?
  if Rake.verbose.class == TrueClass
    # verbose message logging
    $pp_show = false
  else
    $pp_show = true
    Rake.verbose(false)
  end
else
  # could not identify rake version
  $pp_show = false
end

else

$pp_show = false if $verbose

end

def _pp(cmd, src, tgt=nil, options={})

return unless $pp_show

width = 5
template = options[:indent] ? "%#{width*options[:indent]}s %s %s" : "%-#{width}s %s %s"
puts template % [cmd, src, tgt ? "-> #{tgt}" : nil]

end

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