# 1.9 adds realpath to resolve symlinks; 1.8 doesn't
# have this method, so we add it so we get resolved symlinks
# and compatibility
unless File.respond_to? :realpath
  class File #:nodoc:
    def self.realpath path
      return realpath(File.readlink(path)) if symlink?(path)
      path
    end
  end
end
$: << File.expand_path(File.dirname(File.realpath(__FILE__)) + '/../lib')

unless String.method_defined?(:shellescape)
  class String
    def shellescape
      empty? ? "''" : gsub(/([^A-Za-z0-9_\-.,:\/@\n])/n, '\\\\\\1').gsub(/\n/, "'\n'")
    end
  end
end