[bug#37434] [PATCH 1/2] gnu: ghc-megaparsec: Update to 7.0.5.

[Eric Bavier]

----- On Sep 24, 2019, at 2:16 AM, Ludovic Courtès address@hidden wrote:

> Hello,
> 
> Eric Bavier <address@hidden> skribis:
> 
>> Idris 1.3.2 unfortunately needs megaparsec>=7.0.4.
>>
>> FWIW, idris is our only package that depends on ghc-megaparsec. :)  So maybe 
>> an
>> upgrade is fine?
> 
> For the sake of consistency, what about adding a variant of megaparsec
> for use by Idris, and keeping the LTS-12 version?

That sounds appropriate to me.  New patch attached.

> 
>> I was under the impression that our 'guix refresh' updater was supposed to 
>> use
>> the appropriate stackage version?  But it seems to be referencing version 
>> 14.6.
> 
> Looking at ‘latest-lts-release’ in (guix import stackage), the updater
> seems to just take the latest LTS version.
> 
> We should probably fix that by having the argument to
> ‘stackage-lts-info-fetch’ default to the currently targeted LTS version.
> Otherwise one has to know the LTS version and pass it to ‘guix import
> stackage --lts-version’, which is error-prone.
> 
> Thoughts?

I think that would be the right thing to do, imo.

-- 
`~Eric

0001-gnu-idris-Update-to-1.3.2.patch
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