added cli option for check interval

main.go

@@ -39,6 +39,7 @@ var (
 	db            *ent.Client
 	dbLock        sync.RWMutex
 	journalLog    = flag.Bool("journal", false, "Log to systemd journal instead of stdout")
+	checkInterval = flag.Int("interval", 5, "How often svn2git should be checked in minutes (default: 5)")
 )
 
 func (b *BuildManager) buildWorker(id int) {
@@ -590,7 +591,7 @@ func (b *BuildManager) syncWorker() {
 		}
 
 		b.parseWG.Wait()
-		time.Sleep(5 * time.Minute)
+		time.Sleep(time.Duration(*checkInterval) * time.Minute)
 	}
 }