Add a build package (#1926)

* Add a build package

* fix go mod

* package tar

build/options.go

@@ -0,0 +1,15 @@
+package build
+
+type Options struct {
+	// local path to download source
+	Path string
+}
+
+type Option func(o *Options)
+
+// Local path for repository
+func Path(p string) Option {
+	return func(o *Options) {
+		o.Path = p
+	}
+}