class Minitest::TestTask

def process_env
  warn "TESTOPTS is deprecated in Minitest::TestTask. Use A instead" if
    ENV["TESTOPTS"]
  warn "FILTER is deprecated in Minitest::TestTask. Use A instead" if
    ENV["FILTER"]
  warn "N is deprecated in Minitest::TestTask. Use MT_CPU instead" if
    ENV["N"] && ENV["N"].to_i > 0
  lib_extras = (ENV["MT_LIB_EXTRAS"] || "").split File::PATH_SEPARATOR
  self.libs[0,0] = lib_extras
  extra_args << "-n" << ENV["N"]                      if ENV["N"]
  extra_args << "-e" << ENV["X"]                      if ENV["X"]
  extra_args.concat Shellwords.split(ENV["TESTOPTS"]) if ENV["TESTOPTS"]
  extra_args.concat Shellwords.split(ENV["FILTER"])   if ENV["FILTER"]
  extra_args.concat Shellwords.split(ENV["A"])        if ENV["A"]
  ENV.delete "N" if ENV["N"]
  # TODO? RUBY_DEBUG = ENV["RUBY_DEBUG"]
  # TODO? ENV["RUBY_FLAGS"]
  extra_args.compact!
end