[Nix-dev] How to help remedy build errors of Haskell packages in Nixpkgs

[Mateusz Kowalczyk]

On 08/12/2014 02:20 PM, emil.rangden at chas.se wrote:
> On 2014-08-10 14:40, Peter Simons wrote:
>>  - Compile errors. Some packages cannot deal with current versions of
>>    GHC and/or 3rd party dependencies. These errors manifest in the form
>>    of genuine compiler errors. Errors of this kind must almost always 
>> be
>>    fixed upstream. The way to go in this case is to file a report and 
>> to
>>    mark the package as broken in Nixpkgs.
> 
> The package taffybar is fixed by the author, but there is no new hackage
> release. Can cabal2nix deal with this somehow? The only thing I came up
> with was dumping a 90k patch in the nixpkgs repo, but that feels 
> perverse.
> 
> /Emil
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Mark current version as broken, ask for a release upstream, cabal2nix
the new version once that's out. It's unexpected to have known-broken
version of a package suddenly start compiling: if that version is broken
then it's broken and the author needs to release the fixes.

-- 
Mateusz K.