On Fri, Jun 18 2021, Leo Prikler wrote:

> +(define-public blastem
> +  (package
> +    (name "blastem")
> +    (version "0.6.2")
> +    (source (origin
> +              (method hg-fetch)
> +              (uri (hg-reference
> +                    (url "https://www.retrodev.com/repos/blastem")
> +                    (changeset (string-append "v" version))))
> +              (file-name (string-append name "-" version "-checkout"))

Nit: (guix hg-download) provides a ‘hg-file-name’ procedure, so you can
just use (hg-file-name name version).

> +              (sha256
> +               (base32
> +                "08ycfisivh9rb9vmijlrpdryaw8spd81ck48960p15cnf8h2535q"))
> +              (modules '((guix build utils)))
> +              (snippet
> +               '(begin
> +                  ;; TODO: Separately package and unbundle nuklear
> +                  (delete-file-recursively "zlib")))))

Why is the zlib directory removed?  Or perhaps, why do they bundle their
own Zlib?