[bug#40042] [PATCH] gnu: ghc-extra: Update to 1.7.1.

[Alexandru-Sergiu Marton]

On Fri, 2020-03-20 at 19:49 +0100, Marius Bakke wrote:
> Note that we follow the Stackage LTS releases to ensure the various
> Haskell packages work nicely together. 

Oh. Sorry, didn't know that.

> So I wonder if we should downgrade this package to avoid
> compatibility
> problems.  Thoughts?

I upped it because ghcid 0.8.5 (latest) depends on extra >=1.6.20 and I
just thought to get the latest version available. Downgrading ghc-extra 
to 1.6.21 shouldn't break anything. If it's alright, I'll send in a
patch.

> By the way, if you use './pre-inst-env guix refresh -u PACKAGE-NAME'
> to
> update packages, it will choose the correct version for you.

Thanks for the tips!

-- 
Alexandru-Sergiu Marton <address@hidden>
https://brown.121407.xyz
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