Set the maximum number of backups via config

default/config.yaml

@@ -48,6 +48,8 @@ allowKeysExposure: false
 skipContentCheck: false
 # Disable automatic chats backup
 disableChatBackup: false
+# Number of backups to keep for each chat and settings file
+numberOfBackups: 50
 # Allowed hosts for card downloads
 whitelistImportDomains:
   - localhost

src/util.js

@@ -371,7 +371,7 @@ function generateTimestamp() {
  * @param {string} prefix File prefix to filter backups by.
  */
 function removeOldBackups(directory, prefix) {
-    const MAX_BACKUPS = 50;
+    const MAX_BACKUPS = Number(getConfigValue('numberOfBackups', 50));
 
     let files = fs.readdirSync(directory).filter(f => f.startsWith(prefix));
     if (files.length > MAX_BACKUPS) {