Fix a couple bugs

- Remove extra closed parenthesis
- Forgot to import fcntl
- Add option to config schema

borgmatic/commands/borgmatic.py

@@ -3,6 +3,7 @@ import json
 import logging
 import os
 import sys
+import fcntl
 from subprocess import CalledProcessError
 
 import colorama
@@ -575,7 +576,7 @@ def main():  # pragma: no cover
                 fcntl.flock(f.fileno(), fcntl.LOCK_EX | fcntl.LOCK_NB)
             except IOError:
                 logger.critical("Failed to acquire lock for {}".format(config_filename))
-                sys.exit(0))
+                sys.exit(0)
             locks.append(f)
 
     summary_logs = parse_logs + list(collect_configuration_run_summary_logs(configs, arguments))

borgmatic/config/schema.yaml

@@ -32,6 +32,10 @@ map:
                 type: bool
                 desc: Stay in same file system (do not cross mount points). Defaults to false.
                 example: true
+            lock_config:
+                type: bool
+                desc: Lock config when running borgmatic to prevent multiple instances from running simultaneously
+                example: true
             numeric_owner:
                 type: bool
                 desc: Only store/extract numeric user and group identifiers. Defaults to false.