From bb303a33ffdc20218fb52e5411c580ca7a4e4788 Mon Sep 17 00:00:00 2001
From: Joachim Metz <joachim.metz@gmail.com>
Date: Tue, 15 Jan 2019 07:51:36 +0100
Subject: [PATCH] Changes to source package and directory cleanup

---
 l2tdevtools/source_helper.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/l2tdevtools/source_helper.py b/l2tdevtools/source_helper.py
index b75cccd7..ef7893b3 100644
--- a/l2tdevtools/source_helper.py
+++ b/l2tdevtools/source_helper.py
@@ -319,7 +319,8 @@ def Clean(self):
       os.chdir(current_working_directory)
 
     filenames_to_ignore = re.compile(
-        '^{0:s}-.*{1!s}'.format(self.project_name, project_version))
+        '^{0:s}-(|experimental-|alpha-|beta-){1!s}'.format(
+            self.project_name, project_version))
 
     # Remove previous versions of source directories in the format:
     # <project>-[0-9]*