| 8 Feb 2026 |
 chreekat | for real | 13:50:38 |
 toonn | Can it be done without IFD? Or are you talking about the cabal2nix approach, generating it ahead of time? | 13:57:31 |
| chreekat | What's that new thing that's some sort of recursive nix? Ah, this: https://github.com/NixOS/rfcs/blob/master/rfcs/0092-plan-dynamism.md | 14:03:01 |
| toonn | Without IFD or a functional equivalent, I guess. | 14:08:13 |
| chreekat | I'm pumped about this, I feel like it could do something special with stackage | 14:17:42 |
| chreekat | Specifically casa | 14:17:53 |
 teo (they/he) | Yeah I used it here for getting cabal files but using nix and casa for packages seems trickier cause the hashing is different(?) https://github.com/cdepillabout/stacklock2nix/commit/3b6eee1ccb533a588be12666ea14e5e05bfe0183 | 15:18:54 |
| 9 Feb 2026 |
| chreekat |
Unfortunately since switching to CAS, stack no longer tells us the
revision of cabal files in lock files.
Fwiw I think this restriction could be lifted in stack. You can have redundant info in the pantry file format, unless I'm mistaken
| 13:19:03 |
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| 10 Feb 2026 |
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| 13 Feb 2026 |
|  hoplopf joined the room. | 10:19:51 |
| chreekat | as a sanity check, if a tool was introduced that created a drv for every source file of every haskell dependency of your haskell package, that would be unreasonable, right? Way too many drvs? | 15:04:19 |
 maralorn | Not necessarily. Probably? Eval times might be horrendous. But I wouldn't bet on that. The question is usually what this drvs do and for many usecases, like e.g. compiling the overhead per drv makes it very slow. | 15:09:47 |
| chreekat | interestin | 15:11:09 |
| chreekat | * interesting | 15:11:12 |
| chreekat | context is that i'm experimenting with using casa as a source for package sources. Right now, the tool fetches tree manifests and blobs from casa and assembles them into a package source tree that can be built in a later step | 15:12:04 |
| chreekat | using IFD it's unusable, but the goal is to try using dynamic derivations / rfc92 | 15:12:38 |
