Refactor ArgParser to load Jekyll configuration

Load in Jekyll configuration when parsing args.

Add source method to return Jekyll source directory and update the drafts command to use this new method.

Author: Matthew Loberg

lib/jekyll-compose/arg_parser.rb

@@ -1,8 +1,9 @@
 class Jekyll::Compose::ArgParser
-  attr_reader :args, :options
+  attr_reader :args, :options, :config
   def initialize(args, options)
     @args = args
     @options = options
+    @config = Jekyll.configuration(options)
   end
 
   def validate!
@@ -24,4 +25,8 @@ def title
   def force?
     !!options["force"]
   end
+
+  def source
+    source = config['source'].gsub(/^#{Regexp.quote(Dir.pwd)}/, '')
+  end
 end

lib/jekyll/commands/draft.rb

@@ -24,16 +24,12 @@ def self.options
 
 
       def self.process(args = [], options = {})
-        config = configuration_from_options(options)
-
         params = Compose::ArgParser.new args, options
         params.validate!
 
         draft = DraftFileInfo.new params
 
-        root = config['source'].gsub(/^#{Regexp.quote(Dir.pwd)}/, '')
-
-        Compose::FileCreator.new(draft, params.force?, root).create!
+        Compose::FileCreator.new(draft, params.force?, params.source).create!
       end
 
       class DraftFileInfo < Compose::FileInfo