show-source/show-doc: temporaily adding complete() method to both commands

Until we find a better home for it, the code for the complete() method is exactly
the same in each case so we should come up with a way for show-source/show-doc to share it.

lib/pry/commands/show_doc.rb

@@ -130,6 +130,22 @@ class Pry
     def use_line_numbers?
       opts.present?(:b) || opts.present?(:l)
     end
+
+    def complete(input)
+      if input =~ /([^ ]*)#([a-z0-9_]*)\z/
+        prefix, search = [$1, $2]
+        methods = begin
+                    Pry::Method.all_from_class(binding.eval(prefix))
+                  rescue RescuableException => e
+                    return super
+                  end
+        methods.map do |method|
+          [prefix, method.name].join('#') if method.name.start_with?(search)
+        end.compact
+      else
+        super
+      end
+    end
   end
   Pry::Commands.alias_command "?", "show-doc"
 end

lib/pry/commands/show_source.rb

@@ -111,6 +111,22 @@ class Pry
     def use_line_numbers?
       opts.present?(:b) || opts.present?(:l)
     end
+
+    def complete(input)
+      if input =~ /([^ ]*)#([a-z0-9_]*)\z/
+        prefix, search = [$1, $2]
+        methods = begin
+                    Pry::Method.all_from_class(binding.eval(prefix))
+                  rescue RescuableException => e
+                    return super
+                  end
+        methods.map do |method|
+          [prefix, method.name].join('#') if method.name.start_with?(search)
+        end.compact
+      else
+        super
+      end
+    end
   end
 
   Pry::Commands.alias_command "show-method", "show-source"

lib/pry/helpers/module_introspection_helpers.rb

@@ -126,21 +126,6 @@ class Pry
         end
       end
 
-      def complete(input)
-        if input =~ /([^ ]*)#([a-z0-9_]*)\z/
-          prefix, search = [$1, $2]
-          methods = begin
-                      Pry::Method.all_from_class(binding.eval(prefix))
-                    rescue RescuableException => e
-                      return super
-                    end
-          methods.map do |method|
-            [prefix, method.name].join('#') if method.name.start_with?(search)
-          end.compact
-        else
-          super
-        end
-      end
     end
   end
 end

notes.yml

@@ -23,3 +23,5 @@ gist:
   commands (e.g show-source)\n* files  (e.g alpha.rb)\n\nExplicit flags (do these
   need their own syntax to avoid flags?)\n-i input expressions\n-o output expressions\n--hist
   history\n\n"
+show-source:
+- it displays 'Other options' at top of help output when u do help show-source *BUG*