lib/rconfig/load_paths.rb in rconfig-0.4.2 vs lib/rconfig/load_paths.rb in rconfig-0.4.3

@@ -19,28 +19,28 @@
     # configuration files.
     # It only allows one path to be entered at a time.
     def add_load_path(path)
       if path = parse_load_paths(path).first # only accept first one.
         self.load_paths << path
+        self.load_paths.uniq!
         return reload(true)  # Load Paths have changed so force a reload
       end
       false
     end
 
     ##
     # If the paths are made up of a delimited string, then parse out the
     # individual paths. Verify that each path is valid.
     def parse_load_paths(paths)
-      return [] unless paths
       if paths.is_a? String
         path_sep = (paths =~ /;/) ? ';' : ':'
         paths = paths.split(/#{path_sep}+/)
       end
       raise ArgumentError, "Path(s) must be a String or an Array [#{paths.inspect}]" unless paths.is_a? Array
       raise ArgumentError, "Must provide at least one load path: [#{paths.inspect}]" if paths.empty?
       paths.each do |dir|
         dir = CONFIG_ROOT if dir == 'CONFIG_ROOT'
-        raise RConfig::InvalidConfigPathError, "This directory is invalid: [#{dir.inspect}]" unless Dir.exists?(dir)
+        raise InvalidLoadPathError, "This directory is invalid: [#{dir.inspect}]" unless Dir.exists?(dir)
       end
       paths
     end
 
     ##