Add argument to ignore delete threshold (#25)

README.md

@@ -37,6 +37,9 @@ feature you are missing, you can have a look
 [at the open PRs](https://github.com/Chronial/snapraid-runner/pulls).
 
 ## Changelog
+### Unreleased
+* Add --ignore-deletethreshold (by exterrestris, #25)
+
 ### v0.5 (26 Feb 2021)
 * Remove (broken) python2 support
 * Fix snapraid output encoding handling  (by hyyz17200, #31)

snapraid-runner.py

@@ -165,6 +165,9 @@ def load_config(args):
     if args.scrub is not None:
         config["scrub"]["enabled"] = args.scrub
 
+    if args.ignore_deletethreshold:
+        config["snapraid"]["deletethreshold"] = -1
+
 
 def setup_logger():
     log_format = logging.Formatter(
@@ -208,6 +211,8 @@ def main():
     parser.add_argument("--no-scrub", action='store_false',
                         dest='scrub', default=None,
                         help="Do not scrub (overrides config)")
+    parser.add_argument("--ignore-deletethreshold", action='store_true',
+                        help="Sync even if configured delete threshold is exceeded")
     args = parser.parse_args()
 
     if not os.path.exists(args.conf):
@@ -271,6 +276,7 @@ def run():
         logging.error(
             "Deleted files exceed delete threshold of {}, aborting".format(
                 config["snapraid"]["deletethreshold"]))
+        logging.error("Run again with --ignore-deletethreshold to sync anyways")
         finish(False)
 
     if (diff_results["remove"] + diff_results["add"] + diff_results["move"] +