From 3e817d4e4456cc4b1058e3a0ef72f8690a37e8ed Mon Sep 17 00:00:00 2001
From: Filipp Balakin <filipp@balakin.ru>
Date: Mon, 26 Apr 2021 05:02:30 +0300
Subject: [PATCH] keep only last 3 backups...

---
 update_DBM.py | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/update_DBM.py b/update_DBM.py
index 4d3d22c..720ed94 100644
--- a/update_DBM.py
+++ b/update_DBM.py
@@ -60,6 +60,16 @@ def map_directory(repo_name, folder_glob):
 
         print("BACKUP: Backup finished")
 
+        backups_folder = Path(f"./repositories/{repo_name}-backups/")
+        print("BACKUP: Cleaning older backups if they exist... Keeping only last 3")
+
+        sorted_backups = [entry for entry in sorted(backups_folder.iterdir(), key=lambda x: x.name, reverse=True)]
+        for path in sorted_backups[3:]:
+            print(f"BACKUP: removing {path}")
+            shutil.rmtree(path)
+
+        print("BACKUP: Backup clean complete.")
+
         return addons
 
     print("UPDATER: directory incorrect, PLEASE place in folder with Wow.exe (WoW root folder)")