Sharlatan Hellseher <sharlatanus@gmail.com> skribis:

> +(define-public sbcl-arrow-macros
> +  (let ((commit "16bdfd31298182099c7d70df4598104e5a38b05e")
> +        (revision "0"))
> +    (package
> +      (name "sbcl-arrow-macros")
> +      (version (git-version "0.0.0" revision commit))

The repository has an old "0.2.7" tag, so I guess we should use
'(git-version "0.2.7" revision commit)' as version.