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Haskell in Nixpkgs/NixOS

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For discussions and questions about Haskell with Nix, cabal2nix and haskellPackages in nixpkgs | Current Docs: https://haskell4nix.readthedocs.io/ | More Nix: #community:nixos.org | More Haskell: #haskell-space:matrix.org143 Servers

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10 May 2025
@alexfmpe:matrix.orgalexfmpemaybe we should rename to "nixpkgs haskell" or so?16:58:33
@alexfmpe:matrix.orgalexfmpethat said, is there even a haskell.nix channel?16:59:06
@maralorn:maralorn.demaralorn
In reply to @alexfmpe:matrix.org
maybe we should rename to "nixpkgs haskell" or so?
Not sure that'd help. Especially for newcomers who don't grasp the whole nixpkgs/nix lang/nixos distinction yet. 😂
17:00:04
@alexfmpe:matrix.orgalexfmpewell the current name is as confusing as can be17:00:32
@maralorn:maralorn.demaralorn
In reply to @alexfmpe:matrix.org
that said, is there even a haskell.nix channel?
I think there is but not on matrix or something.
17:00:35
@alexfmpe:matrix.orgalexfmpe

"nix haskell", not to be confused with "haskell.nix"

17:00:55
@maralorn:maralorn.demaralorn changed the room name to "Haskell in nixpkgs / on nixos" from "Nix Haskell".17:01:41
@maralorn:maralorn.demaralornI guess it would probably more precise without the on nixos17:02:42
@maralorn:maralorn.demaralornOn the other hand most community channels include nixos in their name17:03:50
@maralorn:maralorn.demaralorn changed the room name to "Haskell in nixpkgs" from "Haskell in nixpkgs / on nixos".17:04:38
@maralorn:maralorn.demaralornLet's try it this way17:05:22
@maralorn:maralorn.demaralornI guess valuing preciseness over newcomer friendliness is a Haskell trademark...17:06:17
@maralorn:maralorn.demaralorn changed the room name to "Haskell in Nixpkgs/NixOS" from "Haskell in nixpkgs".17:19:36
@jwwiegley:matrix.orgJohn WiegleySo true, so true...17:27:06
@jwwiegley:matrix.orgJohn WiegleyNow I have to find where to report this, thanks for the help and pointers!17:27:35
11 May 2025
@cdepillabout:matrix.orgcdepillaboutThere's a question on discourse about why the latest version of Haskell packages isn't always used in nixpkgs: https://discourse.nixos.org/t/packaging-prebuilt-haskell-binaries/6403100:33:00
@cdepillabout:matrix.orgcdepillaboutIt seems like no one really knowledgeable about the situation has replied yet. Maybe someone from here would be able to explain better what is going on.00:33:36
@phanirithvij:matrix.orgloudgolem joined the room.02:41:57
@funkyeggdev:matrix.orgFunky changed their profile picture.05:29:12
@janus.troelsen:matrix.orgJanus
In reply to @cdepillabout:matrix.org
It seems like no one really knowledgeable about the situation has replied yet. Maybe someone from here would be able to explain better what is going on.
i think Daniel firth covered the underlying concepts well on the nix full time Podcast mentioned in the thread
06:05:09
@cdepillabout:matrix.orgcdepillaboutAh good to know! I'll have to give that a listen07:15:16
@maralorn:maralorn.demaralornIll reply latter today.07:48:46
@maralorn:maralorn.demaralorn sterni: I polished https://md.darmstadt.ccc.de/s/jQOOTFHLs# and intend to post it now. I realize that it is currently undecided on the minor version front. 19:50:41
@maralorn:maralorn.demaralornhttps://discourse.nixos.org/t/nixpkgs-ghc-deprecation-policy-user-feedback-necessary/6415319:57:53
@maralorn:maralorn.demaralornMy plan is to settle this before the release of 25.05 so that we can add the deprecation to the release notes and drop them right after that.19:58:40
@maralorn:maralorn.demaralorn* My plan is to settle this before the release of 25.05 so that we can add the deprecation to the release notes.19:59:01
@hellwolf:matrix.orghellwolfFirst time I use cabal2nix / callPackage to package my local project...20:45:33
@hellwolf:matrix.orghellwolfBasic question: how can I skip tests of all my dependencies, just like what cabal build would do?20:45:54
@hellwolf:matrix.orghellwolfCurrently, some packages failed to evaluate due to test, e.g., crypton. 20:46:10
@alexfmpe:matrix.orgalexfmpedontCheck util21:01:55

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