config.rb in roll-1.2.0

- old
+ new

@@ -1,23 +1,27 @@
 require 'rbconfig'
 
 module ::Config
 
+  # TODO: use "XDG-lite" rather than XDG.
+
+  #
   HOME = File.expand_path('~') # ENV['HOME']
 
   # Location of user's personal config directory.
   CONFIG_HOME = File.expand_path(ENV['XDG_CONFIG_HOME'] || File.join(HOME, '.config'))
 
   # List of user shared system config directories.
   CONFIG_DIRS = (
     dirs = ENV['XDG_CONFIG_DIRS'].to_s.split(/[:;]/)
     if dirs.empty?
-      dirs = File.join(Config::CONFIG['sysconfdir'], 'xdg')
+      dirs = [File.join(Config::CONFIG['sysconfdir'], 'xdg')]
     end
     dirs.collect{ |d| File.expand_path(d) }
   )
 
+  #
   WIN_PATTERNS = [
     /bccwin/i,
     /cygwin/i,
     /djgpp/i,
     /mingw/i,
@@ -39,29 +43,30 @@
   # "#{Config::CONFIG['datadir']}/#{name}", but may be
   # modified by packages like RubyGems and Rolls to handle
   # versioned data directories.
   #++
 
+  #
   def self.datadir(name, versionless=false)
     if lib = Roll::Library.instance(name)
       lib.datadir(versionless)
+    elsif defined?(super)
+      super(name)
     else
       File.join(CONFIG['datadir'], name)
     end
   end
 
   # Return the path to the configuration directory.
-
   def self.confdir(name)
     if lib = Roll::Library.instance(name)
       lib.confdir
     else
       File.join(CONFIG['confdir'], name)
     end
   end
 
   # Lookup configuration file.
-
   def self.find_config(*glob)
     flag = 0
     flag = (flag | glob.pop) while Fixnum === glob.last
     find = []
     [CONFIG_HOME, *CONFIG_DIRS].each do |dir|