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Class: RuboCop::ConfigFinder Private

Do not use. This class is for internal use only.
Relationships & Source Files
Super Chains via Extension / Inclusion / Inheritance
Class Chain:
self, FileFinder
Inherits: Object
Defined in: lib/rubocop/config_finder.rb

Overview

This class has methods related to finding configuration path.

Constant Summary

Class Attribute Summary

Class Method Summary

FileFinder - Extended

find_file_upwards, find_last_file_upwards, traverse_directories_upwards, traverse_files_upwards

Class Attribute Details

.project_root (rw)

Returns the path RuboCop inferred as the root of the project. No file searches will go past this directory.

[ GitHub ] 

  


# File 'lib/rubocop/config_finder.rb', line 26



def project_root
  @project_root ||= find_project_root
end


  








  

    .project_root=(value)   (rw)
  

  [ GitHub ]


  

  


# File 'lib/rubocop/config_finder.rb', line 17



attr_writer :project_root


  







Class Method Details



  

    .expand_path(path)   (private)
  

  [ GitHub ]


  

  


# File 'lib/rubocop/config_finder.rb', line 69



def expand_path(path)
  File.expand_path(path)
rescue ArgumentError
  # Could happen because HOME or ID could not be determined. Fall back on
  # using the path literally in that case.
  path
end


  








  

    .find_config_path(target_dir)  
  

  [ GitHub ]


  

  


# File 'lib/rubocop/config_finder.rb', line 19



def find_config_path(target_dir)
  find_project_dotfile(target_dir) || find_project_root_dot_config ||
    find_user_dotfile || find_user_xdg_config || DEFAULT_FILE
end


  








  

    .find_project_dotfile(target_dir)   (private)
  

  [ GitHub ]


  

  


# File 'lib/rubocop/config_finder.rb', line 40



def find_project_dotfile(target_dir)
  find_file_upwards(DOTFILE, target_dir, project_root)
end


  








  

    .find_project_root   (private)
  

  [ GitHub ]


  

  


# File 'lib/rubocop/config_finder.rb', line 32



def find_project_root
  pwd = Dir.pwd
  gems_file = find_last_file_upwards('Gemfile', pwd) || find_last_file_upwards('gems.rb', pwd)
  return unless gems_file

  File.dirname(gems_file)
end


  








  

    .find_project_root_dot_config   (private)
  

  [ GitHub ]


  

  


# File 'lib/rubocop/config_finder.rb', line 44



def find_project_root_dot_config
  return unless project_root

  dotfile = File.join(project_root, '.config', DOTFILE)
  return dotfile if File.exist?(dotfile)

  xdg_config = File.join(project_root, '.config', 'rubocop', XDG_CONFIG)
  xdg_config if File.exist?(xdg_config)
end


  








  

    .find_user_dotfile   (private)
  

  [ GitHub ]


  

  


# File 'lib/rubocop/config_finder.rb', line 54



def find_user_dotfile
  return unless ENV.key?('HOME')

  file = File.join(Dir.home, DOTFILE)

  file if File.exist?(file)
end


  








  

    .find_user_xdg_config   (private)
  

  [ GitHub ]


  

  


# File 'lib/rubocop/config_finder.rb', line 62



def find_user_xdg_config
  xdg_config_home = expand_path(ENV.fetch('XDG_CONFIG_HOME', '~/.config'))
  xdg_config = File.join(xdg_config_home, 'rubocop', XDG_CONFIG)

  xdg_config if File.exist?(xdg_config)
end