Pierre Neidhardt <mail@ambrevar.xyz> skribis:

> diff --git a/guix/build-system/asdf.scm b/guix/build-system/asdf.scm
> index b4e40ee8c2..538812d620 100644
> --- a/guix/build-system/asdf.scm
> +++ b/guix/build-system/asdf.scm
> @@ -162,7 +162,8 @@ (define (transform-package-name name)
>          name))
>  
>    (define (has-from-build-system? pkg)
> -    (eq? from-build-system (package-build-system pkg)))
> +    (when (package? pkg)
> +      (eq? from-build-system (package-build-system pkg))))
>  
>    (define (find-input-package pkg)
>      (let* ((name (package-name pkg))

Maybe use "(and (package? pkg) (eq? ...))" instead of "(when ...)" so
that the function returns #f instead of returning nothing when pkg is
not a package.
Otherwise LGTM.