fix #95

addons/gut/doubler.gd

@@ -159,19 +159,29 @@ func double(path):
 	return load(_double(path))
 
 func clear_output_directory():
-	var d = Directory.new()
-	d.open(_output_dir)
-	d.list_dir_begin(true)
-	var files = []
-	var f = d.get_next()
-	while(f != ''):
-		d.remove(f)
-		f = d.get_next()
+	var did = false
+	if(_output_dir.find('user://') == 0):
+		var d = Directory.new()
+		var result = d.open(_output_dir)
+		# BIG GOTCHA HERE.  If it cannot open the dir w/ erro 31, then the
+		# directory becomes res:// and things go on normally and gut clears out
+		# out res:// which is SUPER BAD.
+		if(result == OK):
+			d.list_dir_begin(true)
+			var files = []
+			var f = d.get_next()
+			while(f != ''):
+				print('deleting ', f)
+				d.remove(f)
+				f = d.get_next()
+				did = true
+	return did
 
 func delete_output_directory():
-	clear_output_directory()
-	var d = Directory.new()
-	d.remove(_output_dir)
+	var did = clear_output_directory()
+	if(did):
+		var d = Directory.new()
+		d.remove(_output_dir)
 
 func set_use_unique_names(should):
 	_use_unique_names = should