fail with info message if recovery is asked with source path

diff --git a/backup.py b/backup.py
index 06d541d..0351300 100644 (file)
--- a/backup.py
+++ b/backup.py
@@ -24,6 +24,7 @@ import os
 import re
 import random
 import shutil
+import sys
 from datetime import datetime
 from functools import partial
 
@@ -146,9 +147,11 @@ if __name__ == "__main__":
         else:
             deltatar.restore_backup(args.targetpath, backup_tar_path=args.sourcepath)
     elif args.recover:
+        if args.sourcepath is not None:
+            print("Disaster recovery conflicts with --sourcepath; please supply"
+                  " an\nindex file (--indexes).", file=sys.stderr)
         failed = deltatar.recover_backup(args.targetpath,
-                                         backup_indexes_paths=args.indexes,
-                                         backup_tar_path=args.sourcepath)
+                                         backup_indexes_paths=args.indexes)
         if len (failed) > 0:
             logger = logging.getLogger('deltatar.DeltaTar')
             print ("%d files could not be restored:" % len (failed))
@@ -158,7 +161,6 @@ if __name__ == "__main__":
     elif args.equals:
         check_equal_dirs(os.path.abspath(args.sourcepath), os.path.abspath(args.targetpath), deltatar)
     else:
-        import sys
         print("Nothing to do.\nPlease specify one of --full, --diff, --list-files, "
               "--restore, --equals.\n", file=sys.stderr)
         parser.print_help(file=sys.stderr)