wither the Platform
Herbert Valerio Riedel
hvr at gnu.org
Sun Mar 22 09:52:28 UTC 2015
On 2015-03-21 at 18:54:26 +0100, Mark Lentczner wrote:
[...]
> The Platform arose in an era before sandboxes and before curated library
> sets like Stackage and LTS. Last time we set direction was several years
> ago. These new features and development have clearly changed the landscape
> for use to reconsider what to do.
[...]
> Thoughts?
My biggest complaint about the current HP is that it pollutes the global
package database with additional packages which leak into `cabal
sandbox`es. This causes `cabal sandbox` to provide quite different
sandbox environments for HP environments compared to a non-HP
environment without those additional packages pre-installed.
Currently GHC/Cabal knows about a global package db and a user package
db (the user pkg db is is what gets replaced/shadowed by cabal
sandboxes). Maybe we need a 3rd package db sitting between the global
and the user package db that interacts better with cabal sandboxes?
Cheers,
hvr
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