Gearing up for a 1.18 release

[Johan Tibell]

This is quite a big patch and the functionality isn't critical for
most users. However, if someone feels strongly enough about having it
in for 1.18 to review it and merge it within the next few days we
could have it in.

On Tue, Aug 6, 2013 at 10:42 AM, Roman Cheplyaka <roma at ro-che.info> wrote:
> Hi,
>
> May I ask you to include haskell suite support in this release?
>
> Haskell suite adds a new compiler flavor to Cabal, except it is not
> tied to any particular compiler. Hopefully, this may be the last
> compiler flavor added to Cabal.
> (related: https://github.com/haskell/cabal/issues/57)
>
> It is already used by the haskell suite interface generator.
> (See http://documentup.com/haskell-suite/haskell-names#module-interfaces/generating-interfaces)
>
> Here's the patch (on top of the cabal-install-1.18 branch):
> https://github.com/feuerbach/cabal/commit/ae2070b1fcb7b59998cbc251f5f1bf4519a1ee49
> I can also create a pull request if needed.
>
> I realize that including new code just before the release is usually not
> a good idea, but in this case it's very low-risk. It doesn't change the
> public Cabal API. All it does from the user's perspective is introducing
> a new switch (--haskell-suite), which shouldn't impact in any way users
> who don't use it.
>
> The only possible issue is during compilation. Speaking of which, I've
> verified that Cabal and cabal-install build with this patch using GHC
> 7.6.3 and 7.0.4.
>
> Cabal's policy is to support being built by versions of GHC that are up
> to 3 years old. That would be 6.12.3, released 12 June 2010. Cabal with
> the patch indeed builds on 6.12.3; however, cabal-install fails to
> configure:
>
>   Warning: Falling back to topdown solver for GHC < 7.
>   Resolving dependencies...
>   cabal: cannot configure process-1.0.1.3. It requires directory ==1.0.*
>   For the dependency on directory ==1.0.* there are these packages:
>   directory-1.0.0.0, directory-1.0.0.3, directory-1.0.1.0, directory-1.0.1.1 and
>   directory-1.0.1.2. However none of them are available.
>   directory-1.0.0.0 was excluded because directory-1.2.0.1 was selected instead
>   directory-1.0.0.0 was excluded because cabal-install-1.18.0 requires directory
>   ==1.2.*
>   directory-1.0.0.3 was excluded because directory-1.2.0.1 was selected instead
>   directory-1.0.0.3 was excluded because cabal-install-1.18.0 requires directory
>   ==1.2.*
>   directory-1.0.1.0 was excluded because directory-1.2.0.1 was selected instead
>   directory-1.0.1.0 was excluded because cabal-install-1.18.0 requires directory
>   ==1.2.*
>   directory-1.0.1.1 was excluded because directory-1.2.0.1 was selected instead
>   directory-1.0.1.1 was excluded because cabal-install-1.18.0 requires directory
>   ==1.2.*
>   directory-1.0.1.2 was excluded because directory-1.2.0.1 was selected instead
>   directory-1.0.1.2 was excluded because cabal-install-1.18.0 requires directory
>   ==1.2.*
>
> Roman
>
> * Johan Tibell <johan.tibell at gmail.com> [2013-08-06 08:37:57+0200]
>> Hi all,
>>
>> The sandbox functionality now works well enough that I think we should
>> let it out in the wild. I've created a 1.18 release branch at
>>
>>     https://github.com/haskell/cabal/tree/cabal-install-1.18
>>
>> My intention is to make any necessary bug fixes on that branch before
>> the release and then merge those fixes into master once the release is
>> done (i.e. using a work flow similar to
>> http://nvie.com/posts/a-successful-git-branching-model/ but without
>> the develop branch).
>>
>> Are there any fixes that absolutely must make it in before a 1.18
>> release? Remember, this release is already long overdue and there will
>> be more frequent releases in the future so lets not try to cram in
>> some extra functionality and delay this release further.
>>
>> P.S. In the future I hope we can make a release every 3-6 months
>> instead of the current almost yearly release cycle.
>>
>> Cheers,
>> Johan
>>
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