[Haskell-cafe] Global Package Install

Fendor power.walross at gmail.com
Sun Mar 21 20:04:02 UTC 2021

Since I am helping with a university course myself at the moment, I want 
to add that the work-around
described in the second linked cabal issue (#6515), namely setting 
`store-dir` and `remote-repo-cache` to a global read-only location, 
works very well in practice.
In my opinion, it achieves its goals easily:

* Reduce storage (everyone uses the same index and packages)
* Easy to synchronize (you can install additional versions for all students)
* Easy to maintain (new semester? Just remove the store folder and build 
every package anew)

And for the easier `ghci` workflow, a generated ghci environment file is 
also really handy and easy to upgrade/change.

Best regards,

On 3/21/21 6:55 PM, Johannes Waldmann wrote:
>> .. a few people mention that they prefer the
>> "global package database" style.  I'd like to improve my understanding
>> of why people prefer that style.
> Teaching.
> Reduce storage, and save students the extra work and distraction.
> https://github.com/haskell/cabal/issues/7172
> same question, with discussion of
> possible work-around with "shared local" database:
> https://github.com/haskell/cabal/issues/6515
> I will need this in two week's time ..
> - J.W.
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