Re: Could the Go importer use the Go toolchain? (was Re: Go importer and packages with version flags)

[raingloom]

On Thu, 30 Sep 2021 10:31:08 -0500
Katherine Cox-Buday <cox.katherine.e@gmail.com> wrote:

> Sarah Morgensen <iskarian@mgsn.dev> writes:
> > Did you have something particular in mind as far as leveraging the
> > Go tooling?  
> 
> I haven't though too much about it, but ~GOPROXY=direct~ was my guess
> too. Thinking about this, would a shallow fetch into a bare
> repository be so bad?
> 
> It made me start wondering why our ~git-download~ type /doesn't/ have
> this behavior. Are we unnecessarily pulling down the entire commit
> history with all tags and branches of a large repository?
> 
> I don't even know what the philosophy is being doing this or not.
> Isn't the only commitment a Guix package makes for software at a
> particular version/commit that the store contains that immutable
> version of the source, not the complete repository?

AFAIK there is a long standing libgit2 bug for adding support for
shallow fetches. Or rather operations on shallow repositories.
https://github.com/libgit2/libgit2/issues/3058

So guile-git can't have shallow fetches until libgit2 gets its act
together. Or Guix could use a patched libgit2 I guess.