class Shellany::Sheller

def self._shellize_if_needed(args)
  return args unless RUBY_PLATFORM == "java"
  return args unless args.size == 1
  return args unless /[;<>]/ =~ args.first
  # NOTE: Sheller was originally meant for Guard (which basically only uses
  # UNIX commands anyway) and JRuby doesn't support options to
  # Kernel.system (and doesn't automatically shell when there's a
  # metacharacter in the command).
  #
  # So ... I'm assuming /bin/sh exists - if not, PRs are welcome,
  # because I have no clue what to do if /bin/sh doesn't exist.
  # (use ENV["RUBYSHELL"] ? Detect cmd.exe ?)
  ["/bin/sh", "-c", args.first]
end