[arch-haskell] Bootstrapping a cblrepo.db / custom repository

[Nicola Squartini]

You have to add each dependency individually, even though they are all
provided by GHC. In your example:

$ cblrepo add -g base,4.7.0.1 -g containers,0.5.5.1
-g pretty,1.1.1.1 template-haskell,2.9.0.0


On Mon, Jul 28, 2014 at 6:07 PM, Rudy Matela <rudy at matela.com.br> wrote:

> Hello All,
>
> First of all, many thanks to Magnus Therning for maintaining the
> arch-haskell repository and it's tools.  It saved a lot of time for me
> (both fighting cabal and compiling packages).
>
> I'm planning to use cblrepo to create a new repository from scratch.
> So, I have a question:
>
> How to use cblrepo to bootstrap a new repository?  (Is it even
> intended to use for that purpose.)  Or, more broadly, what's the best
> way to bootstrap an arch (-haskell) repository?
>
> For example, suppose I want a repository with just template-haskell:
>
> $ mkdir habs-bootstrap
> $ cd habs-bootstrap
> $ cblrepo add template-haskell,2.9.0.0
> Failed to satisfy the following dependencies for template-haskell:
>   base ==4.7.*
>   containers ==0.5.*
>   pretty ==1.1.*
>
> Shouldn't the dependencies here be added by default?  Guessing here
> that it is not possible because of inability to guess package types
> (--ghc-pkg / --distro-pkg).
>
> I've also tried:
>
> $ cblrepo add -g base,4.7.0.1
>
> That was ok, but:
>
> $ cblrepo add template-haskell,2.9.0.0
> Failed to satisfy the following dependencies for template-haskell:
>   containers ==0.5.*
>   pretty ==1.1.*
>
> Containers and pretty are provided by GHC.  Should I add GHC in my
> repository?  That does not seem to be the case with haskell-happstack
> [1]: it has array on it's db (it is also provided by ghc).
>
> Regards,
> Rudy
>
>
> [1]: https://github.com/tensor5/haskell-happstack
>
>
> PS: Which kind of setup do you all use, in general, to maintain your
> own packages not provided by haskell-core?  So far I've been using my
> own fork of archhaskell/habs, but I kinda loose the work (on
> cblrepo.db) when merging with Magnus' branch, needing to re-add all my
> packages.
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>
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