Fwd: GHC Module change database

[Sylvain Henry]

 > Having a 'single source of truth' database will help with this.

Don't hesitate to make a PR to 
https://gitlab.haskell.org/haskell/ghc-api-compat so that at least the 
DB and the .cabal files live in the same repo.

I have created this package but I don't use it so anyone should really 
feel free to take it over.

Sylvain


On 08/08/2021 17:46, Ari Fordsham wrote:
>
>
> AF
>
>
> ---------- Forwarded message ---------
> From: *Ari Fordsham* <arifordsham at gmail.com 
> <mailto:arifordsham at gmail.com>>
> Date: Sun, 8 Aug 2021 at 16:43
> Subject: Re: GHC Module change database
> To: Vaibhav Sagar <vaibhavsagar at gmail.com <mailto:vaibhavsagar at gmail.com>>
>
>
> That's where I generated it from :-)
>
> It would be nice to generate that from the new database.
>
> My main motivation was as follows: There are two possible paradigms 
> for GHC API compatibility:
>
> - Export old names for new modules - as in ghc-api-compat 
> <https://gitlab.haskell.org/haskell/ghc-api-compat>
>   This allows existing code to (kind of) 'just work' - but it doesn't 
> help in managing that code as it gets extended to use new features
>
> - Export new names to old modules
>   I am thinking of working on a tool that does this.
>   You need to rewrite code to use current modules (maybe 
> https://github.com/facebookincubator/retrie/issues/33 
> <https://github.com/facebookincubator/retrie/issues/33> will help), 
> but then you can just target the latest API, and have compatibility 
> built in.
>   This seems to me better for active codebases.
>
>   Having a 'single source of truth' database will help with this.
>
> AF
>
>
> On Sun, 8 Aug 2021 at 16:36, Vaibhav Sagar <vaibhavsagar at gmail.com 
> <mailto:vaibhavsagar at gmail.com>> wrote:
>
>     Hi Ari,
>
>     Have you seen https://gitlab.haskell.org/haskell/ghc-api-compat
>     <https://gitlab.haskell.org/haskell/ghc-api-compat>?
>
>     Thanks,
>     Vaibhav
>
>     On Mon, Aug 9, 2021 at 1:34 AM Ari Fordsham <arifordsham at gmail.com
>     <mailto:arifordsham at gmail.com>> wrote:
>
>         I've made a database of GHC API module changes.
>
>         https://github.com/AriFordsham/ghc-module-renames
>         <https://github.com/AriFordsham/ghc-module-renames>
>
>         This might be useful for automatic tooling.
>
>         It would be nice if this would be moved into the GHC Gitlab,
>         and kept up-to-date.
>
>         Ari Fordsham
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