Support for the Ruby 2.4 series has ended. See here for reference.
Gem::PathSupport
facilitates the GEM_HOME and GEM_PATH environment settings to the rest of RubyGems.
Constructor. Takes a single argument which is to be treated like a hashtable, or defaults to ENV, the system environment.
# File rubygems/path_support.rb, line 25 def initialize(env) @home = env["GEM_HOME"] || Gem.default_dir if File::ALT_SEPARATOR then @home = @home.gsub(File::ALT_SEPARATOR, File::SEPARATOR) end @path = split_gem_path env["GEM_PATH"], @home @spec_cache_dir = env["GEM_SPEC_CACHE"] || Gem.default_spec_cache_dir @spec_cache_dir = @spec_cache_dir.dup.untaint end