[edk2-stagin/EdkRepo] [PATCH V4 1/3] EdkRepo: Initial commit of workspace_maintenance.py

["Ashley E Desimone" <ashley.e.desimone@intel.com>]

Add workspace_maintenance.py including the implementation
of generate_name_for_obsolete_backup()

Signed-off-by: Ashley E Desimone <ashley.e.desimone@intel.com>
Signed-off-by: Ashley E Desimone <ashley.e.desimone@intel.com>
Cc: Nate DeSimone <nathaniel.l.desimone@intel.com>
Cc: Puja Pandya <puja.pandya@intel.com>
Cc: Erik Bjorge <erik.c.bjorge@intel.com>
Cc: Bret Barkelew <Bret.Barkelew@microsoft.com>
Cc: Prince Agyeman <prince.agyeman@intel.com>

---
 .../workspace_maintenance/workspace_maintenance.py | 30 ++++++++++++++++++++++
 setup.py                                           |  4 +--
 2 files changed, 32 insertions(+), 2 deletions(-)
 create mode 100644 edkrepo/common/workspace_maintenance/workspace_maintenance.py

diff --git a/edkrepo/common/workspace_maintenance/workspace_maintenance.py b/edkrepo/common/workspace_maintenance/workspace_maintenance.py
new file mode 100644
index 0000000..d45759a
--- /dev/null
+++ b/edkrepo/common/workspace_maintenance/workspace_maintenance.py
@@ -0,0 +1,30 @@
+#!/usr/bin/env python3
+#
+## @file
+# workspace_maintenance.py
+#
+# Copyright (c) 2017- 2020, Intel Corporation. All rights reserved.<BR>
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+
+''' Contains shared workspace maintenance functions. '''
+
+import os
+
+def generate_name_for_obsolete_backup(absolute_path):
+    if not os.path.exists(absolute_path):
+        raise ValueError("{} does not exist".format(absolute_path))
+    original_name = os.path.basename(absolute_path)
+    dir_name = os.path.dirname(absolute_path)
+    unique_name = ""
+    unique_name_found = False
+    index = 1
+    while not unique_name_found:
+        if index == 1:
+            unique_name = "{}_old".format(original_name)
+        else:
+            unique_name = "{}_old{}".format(original_name, index)
+        if not os.path.exists(os.path.join(dir_name, unique_name)):
+            unique_name_found = True
+        index += 1
+    return unique_name
\ No newline at end of file
diff --git a/setup.py b/setup.py
index 06a382b..af173bb 100755
--- a/setup.py
+++ b/setup.py
@@ -12,8 +12,8 @@ setup(name='edkrepo',
       version='2.0.0',
       description='The edkrepo tools',
       packages=['edkrepo', 'edkrepo.commands', 'edkrepo.commands.arguments', 'edkrepo.commands.humble',
-                'edkrepo.git_automation', 'edkrepo.common', 'edkrepo.config', 'edkrepo.config.humble',
-                'edkrepo_manifest_parser', 'project_utils'],
+                'edkrepo.git_automation', 'edkrepo.common', 'edkrepo.common.workspace_maintenance',
+                'edkrepo.config', 'edkrepo.config.humble', 'edkrepo_manifest_parser', 'project_utils'],
       package_data={
          },
       include_package_data=True,
-- 
2.16.2.windows.1