Add a new class for run control file evaluation

lib/uh/wm.rb

@@ -7,6 +7,7 @@ require 'uh/wm/cli'
 require 'uh/wm/dispatcher'
 require 'uh/wm/env'
 require 'uh/wm/manager'
+require 'uh/wm/run_control'
 require 'uh/wm/runner'
 
 module Uh

lib/uh/wm/run_control.rb

@@ -0,0 +1,21 @@
+module Uh
+  module WM
+    class RunControl
+      class << self
+        def evaluate env
+          rc_path = File.expand_path(env.rc_path)
+          rc = new env
+          rc.evaluate File.read(rc_path) if File.exist?(rc_path)
+        end
+      end
+
+      def initialize env
+        @env = env
+      end
+
+      def evaluate code
+        instance_eval code
+      end
+    end
+  end
+end

lib/uh/wm/runner.rb

@@ -32,8 +32,7 @@ module Uh
       end
 
       def evaluate_run_control
-        rc_path = File.expand_path(@env.rc_path)
-        eval File.read(rc_path) if File.exist?(rc_path)
+        RunControl.evaluate(env)
       end
 
       def register_event_hooks