add config to disable auto-reload

lib/pry/config.rb

@@ -75,6 +75,10 @@ class Pry
     # @return [Boolean]
     attr_accessor :should_load_requires
 
+    # Determines whether to disable edit-method's auto-reloading behavior.
+    # @return [Boolean]
+    attr_accessor :disable_auto_reload
+
     # Config option for history.
     # sub-options include hist.file, hist.load, and hist.save
     # hist.file is the file to save/load history too, e.g

lib/pry/default_commands/introspection.rb

@@ -147,7 +147,7 @@ class Pry
 
           opt.on :M, "instance-methods", "Operate on instance methods."
           opt.on :m, :methods, "Operate on methods."
-          opt.on :n, "no-reload", "Do not automatically reload the method's file after editting."
+          opt.on :n, "no-reload", "Do not automatically reload the method's file after editing."
           opt.on "no-jump", "Do not fast forward editor to first line of method."
           opt.on :c, :context, "Select object context to run under.", true do |context|
             target = Pry.binding_for(target.eval(context))
@@ -179,7 +179,7 @@ class Pry
 
           invoke_editor(file, opts["no-jump"] ? 0 : line)
           silence_warnings do
-            load file if !opts.n?
+            load file if !opts.n? && !Pry.config.disable_auto_reload
           end
         end
       end

lib/pry/pry_class.rb

@@ -198,6 +198,7 @@ class Pry
     config.pager = true
     config.editor = default_editor_for_platform
     config.should_load_rc = true
+    config.disable_auto_reload = false
 
     config.plugins ||= OpenStruct.new
     config.plugins.enabled = true