Merge pull request #1010 from RonaldZ/feature/scan_force_arg

local: Add --force flag to 'mopidy local scan' command

docs/changelog.rst

@@ -70,6 +70,8 @@ v0.20.0 (UNRELEASED)
 - Add support for giving local libraries direct access to tags and duration.
   (Fixes: :issue:`967`)
 
+- Add "--force" option for local scan (Fixes: :issue:'910') (PR: :issue:'1010')
+
 **File scanner**
 
 - Improve error logging for scan code (Fixes: :issue:`856`, PR: :issue:`874`)

mopidy/local/commands.py

@@ -61,7 +61,10 @@ class ScanCommand(commands.Command):
         super(ScanCommand, self).__init__()
         self.add_argument('--limit',
                           action='store', type=int, dest='limit', default=None,
-                          help='Maxmimum number of tracks to scan')
+                          help='Maximum number of tracks to scan')
+        self.add_argument('--force',
+                          action='store_true', dest='force', default=False,
+                          help='Force rescan of all media files')
 
     def run(self, args, config):
         media_dir = config['local']['media_dir']
@@ -97,7 +100,7 @@ class ScanCommand(commands.Command):
             if mtime is None:
                 logger.debug('Missing file %s', track.uri)
                 uris_to_remove.add(track.uri)
-            elif mtime > track.last_modified:
+            elif mtime > track.last_modified or args.force:
                 uris_to_update.add(track.uri)
             uris_in_library.add(track.uri)