> + (define-public go-github-com-niemeyer-pretty
> +  (package
> +    (name "go-github-com-niemeyer-pretty")
> +    (version "0.0.0-20200227124842-a10e7caefd8e")
> +    (source
> +      (origin
> +        (method git-fetch)
> +        (uri (git-reference
< +               (url "https://github.com/niemeyer/pretty")
> +               (commit (go-version->git-ref version))))

Why package the fork niemeyer/pretty instead of upstream kr/pretty?
Also, where does this version number come from?  Looking at pkg.go.dev,
the version number is 0.3.0, not 0.3.0-$foo-$bar.

Greetings,
Maxime.