On Tue, Aug 03 2021, Maxim Cournoyer wrote:

> Hello,
>
> Xinglu Chen <public@yoctocell.xyz> writes:
>
>> * gnu/packages/emacs-xyz.scm (emacs-geiser-chez): New variable.
>> ---
>>  gnu/packages/emacs-xyz.scm | 43 ++++++++++++++++++++++++++++++++++++++
>>  1 file changed, 43 insertions(+)
>>
>> diff --git a/gnu/packages/emacs-xyz.scm b/gnu/packages/emacs-xyz.scm
>> index e3b94228e1..bbda1db614 100644
>> --- a/gnu/packages/emacs-xyz.scm
>> +++ b/gnu/packages/emacs-xyz.scm
>> @@ -138,6 +138,7 @@
>>    #:use-module (gnu packages aspell)
>>    #:use-module (gnu packages audio)
>>    #:use-module (gnu packages bash)
>> +  #:use-module (gnu packages chez)
>>    #:use-module (gnu packages cmake)
>>    #:use-module (gnu packages code)
>>    #:use-module (gnu packages cpp)
>> @@ -408,6 +409,48 @@ a generic Scheme interaction mode for the GNU Emacs editor.")
>>  a generic Scheme interaction mode for the GNU Emacs editor.")
>>      (license license:bsd-3)))
>>  
>> +(define-public emacs-geiser-chez
>> +  (package
>> +    (name "emacs-geiser-chez")
>> +    (version "0.16")
>> +    (source
>> +     (origin
>> +       (method git-fetch)
>> +       (uri (git-reference
>> +             (url "https://gitlab.com/emacs-geiser/chez")
>> +             (commit version)))
>> +       (file-name (git-file-name name version))
>> +       (sha256
>> +        (base32
>> +         "0cc1z5z5cpvxa5f3n8kvms0wxlybzcg4l1bh3rwv1l1sb0lk1xzx"))))
>> +    (build-system emacs-build-system)
>> +    (arguments
>> +     '(#:include (cons "^src/" %default-include)
>> +       #:phases
>> +       (modify-phases %standard-phases
>> +         (add-after 'make-autoloads 'patch-autoloads
>> +           (lambda* (#:key outputs #:allow-other-keys)
>> +             (substitute* (string-append
>> +                           (elpa-directory (assoc-ref outputs "out"))
>> +                           "/geiser-chez-autoloads.el")
>> +               ;; Activating implementations fails when Geiser is not yet
>> +               ;; loaded, so let's defer that until it is.
>> +               (("\\(geiser-activate-implementation .*\\)" all)
>> +                (string-append
>> +                 "(eval-after-load 'geiser-impl '" all ")"))
>> +               (("\\(geiser-implementation-extension .*\\)" all)
>> +                (string-append
>> +                 "(eval-after-load 'geiser-impl '" all ")"))))))))
>
> Could you please report the above issue to upstream so that it can
> properly be fixed?  And then add a reference to it in a comment in the
> above package definition.

Reported upstream; I will send a v2.  :)

  <https://gitlab.com/emacs-geiser/chez/-/issues/7>