On Tue, Jun 01 2021, Ludovic Courtès wrote:

> Hi!
>
> Xinglu Chen <public@yoctocell.xyz> skribis:
>
>> * guix/import/egg.scm: New file.
>> * guix/scripts/import/egg.scm: New file.
>> * tests/egg.scm: New file.
>> * Makefile.am (MODULES, SCM_TESTS): Register them.
>> * po/guix/POTFILES.in: Likewise.
>> * guix/scripts/import.scm (importers): Add egg importer.
>> * doc/guix.texi (Invoking guix import, Invoking guix refresh): Document it.
>> ---
>> Changes since v2:
>> * Remove message telling the user that the egg doesn’t exist, ‘guix
>>   import’ will already throw an error if this happens.
>>
>> * Fixed the failing test, I just had to change (license (list 'a 'b)) to
>>   (license '(a b)), duh.
>
> This LGTM, except this last bit, as shown here:
>
>> +(define-package-matcher match-chicken-foo
>> +  ('package
>> +    ('name "chicken-foo")
>> +    ('version "1.0.0")
>> +    ('source (? file-like? source))
>> +    ('build-system 'chicken-build-system)
>> +    ('arguments ('quasiquote ('#:egg-name "foo")))
>> +    ('native-inputs
>> +     ('quasiquote
>> +      (("chicken-test" ('unquote chicken-test))
>> +       ("chicken-srfi-1" ('unquote chicken-srfi-1))
>> +       ("chicken-begin-syntax" ('unquote chicken-begin-syntax)))))
>> +    ('inputs
>> +     ('quasiquote
>> +      (("libgit2" ('unquote libgit2)))))
>> +    ('propagated-inputs
>> +     ('quasiquote
>> +      (("chicken-datatype" ('unquote chicken-datatype)))))
>> +    ('home-page "https://wiki.call-cc.org/egg/foo")
>> +    ('synopsis "Example egg")
>> +    ('description #f)
>> +    ('license '(license:gpl3 license:expat))))
>
> The generated ‘license’ team is incorrect.  For multiple licenses, the
> generated code should look like:
>
>   (package
>     ;; …
>     (license (list license:gpl3 license:expat)))
>
> For a single license:
>
>   (package
>     ;; …
>     (license license:gpl3+))
>
> Compare with:
>
> --8<---------------cut here---------------start------------->8---
> $ ./pre-inst-env guix import egg sourcehut | tail -1
>
> Starting download of /tmp/guix-file.N300R0
> From https://code.call-cc.org/egg-tarballs/5/sourcehut/sourcehut-0.3.3.tar.gz...
>  ….3.3.tar.gz  20KiB                  678KiB/s 00:00 [##################] 100.0%
>   (license (license:bsd?)))
> --8<---------------cut here---------------end--------------->8---

Ah, good catch!

> That’s the last remaining issue in my view.  Could you send a v3?
>
> BTW, if you want, you can also send a snippet for ‘etc/news.scm’ to
> announce ‘guix import egg’ to fellow users!  You can take inspiration
> from the ‘guix import go’ news entry; I’ll fix up the commit ID when
> committing.

Sure, sound good!