moving fundamental helper methods from command_helpers to base_helprs…

… (set_file_and_dir_locals() and no_color())

lib/pry/helpers/base_helpers.rb

@@ -14,6 +14,15 @@ def silence_warnings
         end
       end
 
+      # turn off color for duration of block
+      def no_color(&block)
+        old_color_state = Pry.color
+        Pry.color = false
+        yield
+      ensure
+        Pry.color = old_color_state
+      end
+
       def gem_installed?(gem_name)
         require 'rubygems'
         !!Gem.source_index.find_name(gem_name).first
@@ -26,6 +35,14 @@ def command_dependencies_met?(options)
         end
       end
 
+      def set_file_and_dir_locals(file_name)
+        return if !target
+        $_file_temp = File.expand_path(file_name)
+        $_dir_temp =  File.dirname($_file_temp)
+        target.eval("_file_ = $_file_temp")
+        target.eval("_dir_ = $_dir_temp")
+      end
+
       def stub_proc(name, options)
         gems_needed = Array(options[:requires_gem])
         gems_not_installed = gems_needed.select { |g| !gem_installed?(g) }

lib/pry/helpers/command_helpers.rb

@@ -23,14 +23,6 @@ def meth_name_from_binding(b)
         end
       end
 
-      def set_file_and_dir_locals(file_name)
-        return if !target
-        $_file_temp = File.expand_path(file_name)
-        $_dir_temp =  File.dirname($_file_temp)
-        target.eval("_file_ = $_file_temp")
-        target.eval("_dir_ = $_dir_temp")
-      end
-
       def add_line_numbers(lines, start_line)
         line_array = lines.each_line.to_a
         line_array.each_with_index.map do |line, idx|