GNU bug report logs - #41602
texlive is actually substitutable

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From: Ludovic Courtès <ludo <at> gnu.org>
To: Leo Famulari <leo <at> famulari.name>
Cc: 41602 <at> debbugs.gnu.org
Subject: bug#41602: texlive-texmf is actually subtitutable
Date: Sat, 30 May 2020 16:07:56 +0200

Hi,

Leo Famulari <leo <at> famulari.name> skribis:

> On Fri, May 29, 2020 at 05:15:40PM +0200, Ludovic Courtès wrote:
>> The info suggests it won’t be substituted, but it’s eventually
>> substituted.  I wonder why, because the .drv has:
>> 
>>   ("allowSubstitutes","0")
>> 
>> and the daemon has:
>> 
>>   bool substitutesAllowed(const Derivation & drv)
>>   {
>>       return get(drv.env, "allowSubstitutes", "1") == "1";
>>   }
>> 
>> and:
>> 
>>   if (settings.useSubstitutes && substitutesAllowed(drv))
>>       foreach (PathSet::iterator, i, invalidOutputs)
>>           addWaitee(worker.makeSubstitutionGoal(*i, buildMode == bmRepair));
>> 
>> Thoughts?
>
> I wonder if the content-addressed fallbacks take a different code path
> that doesn't respect "allowSubstitutes"?

It does, but this texlive-texmf.drv is not a fixed-output derivation.

Ludo’.

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