Class
Gem::PathSupport facilitates the GEM_HOME and GEM_PATH environment settings to the rest of RubyGems.
Attributes
Read
The default system path for managing Gems.
Read
Array of paths to search for Gems.
Class Methods
::
lib/rubygems/path_support.rb
View on GitHub
# File tmp/rubies/ruby-2.3.8/lib/rubygems/path_support.rb, line 25
def initialize(env=ENV)
@env = env
# note 'env' vs 'ENV'...
@home = env["GEM_HOME"] || ENV["GEM_HOME"] || Gem.default_dir
if File::ALT_SEPARATOR then
@home = @home.gsub(File::ALT_SEPARATOR, File::SEPARATOR)
end
self.path = env["GEM_PATH"] || ENV["GEM_PATH"]
@spec_cache_dir =
env["GEM_SPEC_CACHE"] || ENV["GEM_SPEC_CACHE"] ||
Gem.default_spec_cache_dir
@spec_cache_dir = @spec_cache_dir.dup.untaint
end
Constructor. Takes a single argument which is to be treated like a hashtable, or defaults to ENV, the system environment.
Instance Methods
lib/rubygems/path_support.rb
View on GitHub
# File tmp/rubies/ruby-2.3.8/lib/rubygems/path_support.rb, line 82
def default_path
gem_path = Gem.default_path + [@home]
if defined?(APPLE_GEM_HOME)
gem_path << APPLE_GEM_HOME
end
gem_path
end
Return the default Gem path
lib/rubygems/path_support.rb
View on GitHub
# File tmp/rubies/ruby-2.3.8/lib/rubygems/path_support.rb, line 49
def path=(gpaths)
# FIX: it should be [home, *path], not [*path, home]
gem_path = []
# FIX: I can't tell wtf this is doing.
gpaths ||= (ENV['GEM_PATH'] || "").empty? ? nil : ENV["GEM_PATH"]
if gpaths
if gpaths.kind_of?(Array)
gem_path = gpaths.dup
else
gem_path = gpaths.split(Gem.path_separator)
if gpaths.end_with?(Gem.path_separator)
gem_path += default_path
end
end
if File::ALT_SEPARATOR then
gem_path.map! do |this_path|
this_path.gsub File::ALT_SEPARATOR, File::SEPARATOR
end
end
gem_path << @home
else
gem_path = default_path
end
@path = gem_path.uniq
end