Remove expired fixers

internal/torrent/fixer.go

@@ -49,7 +49,22 @@ func (t *TorrentManager) handleFixers() {
 		infoCache.Remove(id)
 		t.deleteTorrentFile(id)
 	}
+
+	// remove expired fixers
+	var expired []string
+	t.fixers.IterCb(func(trigger string, command string) {
+		if infoCache.Has(trigger) {
+			return
+		}
+		expired = append(expired, trigger)
+	})
+	for _, trigger := range expired {
+		t.log.Debugf("Removing expired fixer id=%s", trigger)
+		t.fixers.Remove(trigger)
+	}
+
 	t.writeFixersToFile()
+
 	t.log.Debugf("Finished handling fixers")
 }