Show true delete in dryrun

openwrt_backup/__init__.py

@@ -14,6 +14,9 @@ from openwrt_backup.prune import get_all_but_last_n
 
 
 def do_prune(dest_path: Path, n: int, dry, hostname=None):
+    if dry:
+        to_delete = get_all_but_last_n(dest_path, n - 1, hostname)
+    else:
         to_delete = get_all_but_last_n(dest_path, n, hostname)
     for f in to_delete:
         if dry: