corrent mtime for latest backup

backup_diff

@@ -4,6 +4,7 @@ import os
 import re
 import glob
 import difflib
+import datetime
 
 
 def get_args():
@@ -45,13 +46,18 @@ def find_backups(backupdir, host):
     try:
         with open(f'{basepath}.lastchange', 'r') as f:
             lastchange = f.readlines()[-1].rstrip()
-            backups.insert(0, {
-                'since': lastchange,
-                'until': 'now',
-                'cfn': f'{basepath}.config'
-                })
     except:
         pass
+    try:
+        info = os.stat(basepath +'.config')
+        mtime = datetime.datetime.fromtimestamp(info.st_mtime).strftime('%F %H:%M:%S (latest)')
+    except:
+        pass
+    backups.insert(0, {
+            'since': lastchange or '???',
+            'until': mtime or '???',
+            'cfn': f'{basepath}.config'
+            })
     return backups
 
 def diff(backups, host, n1, n2):