You're right, nothing in the spec prohibits "vendoring" the .zip modules in a directory in your project. It's purely an implementation issue. vgo already provid

You're right, nothing in the spec prohibits "vendoring" the .zip modules in a directory in your project. It's purely an implementation issue. vgo already provides GOPROXY, but a built-in "vendoring" mechanism would be easier for most people. Here is one I commented on Russ' blog: https://research.swtch.com/vgo-module#comment-3772245118 https://research.swtch.com/vgo-module#comment-3772245118