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Subject: [bug#37434] [PATCH 1/2] gnu: ghc-megaparsec: Update to 7.0.5.
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From: Ludovic =?UTF-8?Q?Court=C3=A8s?= <ludo@gnu.org>
References: <20190917033730.28806-1-ericbavier@centurylink.net>
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Date: Tue, 24 Sep 2019 09:16:34 +0200
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 (Eric Bavier's message of "Mon, 23 Sep 2019 21:59:24 -0400 (EDT)")
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To: Eric Bavier <ericbavier@centurylink.net>
Cc: 37434@debbugs.gnu.org, bavier <bavier@member.fsf.org>

Hello,

Eric Bavier <ericbavier@centurylink.net> skribis:

> Idris 1.3.2 unfortunately needs megaparsec>=3D7.0.4.
>
> FWIW, idris is our only package that depends on ghc-megaparsec. :)  So ma=
ybe 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?

> I was under the impression that our 'guix refresh' updater was supposed t=
o use the appropriate stackage version?  But it seems to be referencing ver=
sion 14.6.

Looking at =E2=80=98latest-lts-release=E2=80=99 in (guix import stackage), =
the updater
seems to just take the latest LTS version.

We should probably fix that by having the argument to
=E2=80=98stackage-lts-info-fetch=E2=80=99 default to the currently targeted=
 LTS version.
Otherwise one has to know the LTS version and pass it to =E2=80=98guix impo=
rt
stackage --lts-version=E2=80=99, which is error-prone.

Thoughts?

Ludo=E2=80=99.