module Git::EncodingUtils

def self.best_guess_encoding
  # Encoding::ASCII_8BIT.name
  Encoding::UTF_8.name
end

def self.default_encoding
  __ENCODING__.name
end

def self.detected_encoding(str)
  CharDet.detect(str)['encoding'] || best_guess_encoding
end

def self.encoding_options
  { invalid: :replace, undef: :replace }
end

def self.normalize_encoding(str)
  return str if str.valid_encoding? && str.encoding.name == default_encoding
  return str.encode(default_encoding, str.encoding, **encoding_options) if str.valid_encoding?
  str.encode(default_encoding, detected_encoding(str), **encoding_options)
end