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[bug#42048] [PATCH 3/6] channels: Remove 'signature' from <channel-intro

From: Ludovic Courtès
Subject: [bug#42048] [PATCH 3/6] channels: Remove 'signature' from <channel-introduction>.
Date: Tue, 30 Jun 2020 17:15:56 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/26.3 (gnu/linux)


Ricardo Wurmus <> skribis:

> Ludovic Courtès <> writes:
>> In the end signing the commit/key pair does not buy us much.  Someone
>> publishing a valid but different commit/key pair would effectively be
>> publishing a different channel, which could be a fork (made by a former
>> authorized developer) or simply a mirror.  In the latter case, there's
>> nothing to be gained by publishing a different commit/key pair.
>> * guix/channels.scm (<channel-introduction>)[signature]: Remove.
>> (make-channel-introduction): Adjust accordingly.
>> ---
> […]
>>  (define (make-channel-introduction commit signer)
>>    "Return a new channel introduction: COMMIT is the introductory where
>>  authentication starts, and SIGNER is the OpenPGP fingerprint (a bytevector) 
>> of
>>  the signer of that commit."
>> -  (%make-channel-introduction commit signer #f))
>> +  (%make-channel-introduction commit signer))
> Do we still need this procedure at all?  Looks like
> %make-channel-introduction could simply be renamed to 
> make-channel-introduction.

‘%make-channel-introduction’ is actually a macro, which is thus inlined.
Exporting a procedure makes it easier to preserve ABI compatibility and
allow for future extensions (keyword parameters, for instance).


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