init maps first

main.go

@@ -722,6 +722,8 @@ func main() {
 	buildManager = BuildManager{
 		build:     make(chan *BuildPackage, 10000),
 		parse:     make(chan *BuildPackage, 10000),
+		repoPurge: make(map[string]chan *BuildPackage),
+		repoAdd:   make(map[string]chan *BuildPackage),
 		exit:      false,
 	}