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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.org148 Servers

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15 Sep 2025
@emilazy:matrix.orgemilywe talked about this recently and I suggested a package set would be interesting for exploring future GHC bootstrap12:26:04
@emilazy:matrix.orgemilyespecially since we can have MicroHs bootstrap from hugs12:26:15
@emilazy:matrix.orgemily @alex:tunstall.xyz has that Nixified apparently 12:26:28
@sternenseemann:systemli.orgsterni (he/him)should be testu-01, not testu01 from your example?12:26:50
@sternenseemann:systemli.orgsterni (he/him) bglgwyng: override allows you to use the result of callPackage and call the underlying lambda again with different argument, completely recomputing the value: https://github.com/NixOS/nixpkgs/blob/f501ecd2f4b1b8c4f43fee3f1d5cf3e758c2e166/lib/customisation.nix#L116-L208 12:28:43

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