more breakout for feature

lib/feature/commander.rb

@@ -0,0 +1,29 @@
+require_relative './start'
+require_relative './end'
+require_relative './rebase'
+require_relative './merge_to'
+require_relative './branch'
+
+module Feature
+
+  class Commander
+    attr_reader :argv
+
+    def initialize (argv)
+      @argv = argv
+    end
+
+    def execute
+      command = case argv[0]
+                when "start"  then Feature::Start.new(argv)
+                when "end"    then Feature::End.new(argv)
+                when "rebase" then Feature::Rebase.new(argv)
+                when "merge"  then Feature::MergeTo.new(argv)
+                else               Feature::Branch.new(argv)
+                end
+      command.execute
+    end
+
+  end
+
+end