Support XDG_* (#2174)

* Support XDG_CONFIG_HOME for gemrc.

* Support XDG_DATA_HOME for .gem

* Added test for XDG_DATA_HOME

* Do not reuse environmental variable.

* Unify .rdoc path to RDoc.home.

* Support XDG_DATA_HOME for .rdoc

* Ignore exists?

* Extracted config_home path

* Use XDG_CONFIG_HOME for default credential path

* Fixed inconsistency location.

* Fixed the broken tests.

* Support XDG_CONFIG_HOME for irbrc

* Introduce Gem.cache_home as XDG_CACHE_HOME

* Use Gem.cache_home instead of Gem.config_home for the credential file of RubyGems.

* Initialized the old configurations

* Fixed test failure related the configuration initialization

* restore XDG_DATA_HOME

* Fixed the broken examples of bundler with XDG_*

* Do not modify environmental variable on test file

* Use XDG_DATA_HOME insted of XDG_CACHE_HOME for credential file

* stub out Gem.data_home

* Move dir accessor to defaults.rb file

* Use XDG_DATA_HOME for signed gem features

* Use XDG_DATA_HOME for spec cache

* Do not rely on Gem.user_home

* Gem.user_home is always exists. Don't need to use FileUitls.mkdir_p

* Bump support version to RubyGems 3.2.0+

* Removed the needless fallback configuration

* Fixed the inconsistency methods that are find_config_file and config_file

* Use Gem.configuration.credentials_path instead of hard-coded path

* gem_path is always provided

* Removed the duplicated code of find_home

* Also removed the duplicated code of user_home

* use Gem::UNTAINT instead of untaint for surpressing the warnings

* Use File.directory

* Restore XDG_DATA_HOME

* Use File.write

1 files changed, 0 insertions, 41 deletions

diff --git a/lib/rubygems.rb b/lib/rubygems.rb
index 73321ec47b..5026fc41e6 100644
--- a/lib/rubygems.rb
+++ b/lib/rubygems.rb
@@ -338,13 +338,6 @@ module Gem
   end
 
   ##
-  # The path to standard location of the user's .gemrc file.
-
-  def self.config_file
-    @config_file ||= File.join Gem.user_home, '.gemrc'
-  end
-
-  ##
   # The standard configuration object for gems.
 
   def self.configuration
@@ -558,33 +551,6 @@ An Array (#{env.inspect}) was passed in from #{caller[3]}
   end
 
   ##
-  # Finds the user's home directory.
-  #--
-  # Some comments from the ruby-talk list regarding finding the home
-  # directory:
-  #
-  #   I have HOME, USERPROFILE and HOMEDRIVE + HOMEPATH. Ruby seems
-  #   to be depending on HOME in those code samples. I propose that
-  #   it should fallback to USERPROFILE and HOMEDRIVE + HOMEPATH (at
-  #   least on Win32).
-  #++
-  #--
-  #
-  #++
-
-  def self.find_home
-    Dir.home.dup
-  rescue
-    if Gem.win_platform?
-      File.expand_path File.join(ENV['HOMEDRIVE'] || ENV['SystemDrive'], '/')
-    else
-      File.expand_path "/"
-    end
-  end
-
-  private_class_method :find_home
-
-  ##
   # Top level install helper method. Allows you to install gems interactively:
   #
   #   % irb
@@ -1057,13 +1023,6 @@ An Array (#{env.inspect}) was passed in from #{caller[3]}
   end
 
   ##
-  # The home directory for the user.
-
-  def self.user_home
-    @user_home ||= find_home.tap(&Gem::UNTAINT)
-  end
-
-  ##
   # Is this a windows platform?
 
   def self.win_platform?