class RuboCop::Cop::Lint::ScriptPermission

puts ‘hello, world’
# granted execute permission.
# A file which has not a shebang line as its first line is not
# good
puts ‘hello, world’
#!/usr/bin/env ruby
# granted execute permission.
# A file which has a shebang line as its first line is
# good
puts ‘hello, world’
#!/usr/bin/env ruby
# granted execute permission.
# A file which has a shebang line as its first line is not
# bad
@example
its first line is granted execute permission.
This cop checks if a file which has a shebang line as

def autocorrect(node)

def autocorrect(node)
  lambda do |_corrector|
    FileUtils.chmod('+x', node.loc.expression.source_buffer.name)
  end
end

def executable?(processed_source)

def executable?(processed_source)
  # Returns true if stat is executable or if the operating system
  # doesn't distinguish executable files from nonexecutable files.
  # See at: https://github.com/ruby/ruby/blob/ruby_2_4/file.c#L5362
  File.stat(processed_source.file_path).executable?
end

def format_message_from(processed_source)

def format_message_from(processed_source)
  basename = File.basename(processed_source.file_path)
  format(MSG, file: basename)
end

def investigate(processed_source)

def investigate(processed_source)
  return if @options.key?(:stdin)
  return if Platform.windows?
  return unless processed_source.start_with?(SHEBANG)
  return if executable?(processed_source)
  comment = processed_source.comments[0]
  message = format_message_from(processed_source)
  add_offense(comment, message: message)
end