Gershom
Looks like a great idea.
Lots of questions though:
- I think more motivation would be helpful. E.g. "You are in change
of the GHC 8.6 release. Package authors don't want to upload a new
version of their packages until 8.6 is out, but you still want to
smoke-test 8.6 against their packages. Doing so requires some minor
changes (version bounds, changes in base-library APIs etc); so you
want to be able to make these changes in a sandbox that won't hurt
anyone". Or something like that.
Maybe describe other use-cases. It's *much* easier to evaluate
a proposal when I'm totally clear what it's for.
- Does a particular build have to use packages from one repo only?
Or is there something like a "search path"?
Thanks!
Simon
| -----Original Message-----
| From: cabal-devel [mailto:cabal-devel-bounces@haskell.org] On Behalf
| Of Gershom B
| Sent: 19 February 2018 00:26
| To: cabal-devel
| Subject: draft proposal on provenance-qualified dependencies
|
| Hey all, I mentioned (on the long SLURP thread) that I was thinking
| about a general proposal for provenance-qualified dependencies to
| reduce coupling in the haskell ecosystem. Having worked it out a bit,
| I think the bigger win is it also provides a way to specify
| dependencies on git repos, etc., which has been an oft-requested
| feature.
|
| I don't want to submit it as an ecosystem proposal proper without
| further polish, and I held off on bugging a larger audience of cabal
| folks until the 2.2 branch was cut. So now I'm passing this along for
| further comment and polish before I make a real proposal:
| https://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithu
| b.com%2Fgbaz%2Fghc-proposals%2Fblob%2Fpatch-1%2Fproposals%2F0000-
| provenance-qualified-
| imports.rst&data=04%7C01%7Csimonpj%40microsoft.com%7C64fd20012b9a4b24d
| 28508d5772f6cf2%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C636545967
| 936143539%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIi
| LCJBTiI6Ik1haWwifQ%3D%3D%7C-
| 1&sdata=cH0gNADmzA%2BTkmXZEDY6lLYUTx2D2KX%2B3T8KO%2FvU86s%3D&reserved=
| 0
|
| There's no urgency, but it would be good to get some feedback in the
| next few weeks if possible.
|
| Cheers,
| Gershom
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