commit 1110e5fe642a5120c74066d53ed0cb23cceef43c · pyrox.dev/nixpkgs

+15

pkgs/development/haskell-modules/non-hackage-packages.nix

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       { pkgs, haskellLib }:

     

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       let

     

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         inherit (pkgs) lib;

     

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         inherit (lib.strings) hasSuffix removeSuffix;

     

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         pathsByName =

     

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           lib.concatMapAttrs

     

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             (name: type:

     

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               lib.optionalAttrs (type == "regular" && hasSuffix ".nix" name) {

     

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                 ${removeSuffix ".nix" name} = ./replacements-by-name + "/${name}";

     

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               }

     

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             )

     

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             (builtins.readDir ./replacements-by-name);

     

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       in

     

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       # EXTRA HASKELL PACKAGES NOT ON HACKAGE

     

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       #

     

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       # This file should only contain packages that are not in ./hackage-packages.nix.

     
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         hercules-ci-optparse-applicative = self.callPackage ../misc/haskell/hercules-ci-optparse-applicative.nix {};

     

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       }

     

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       // lib.mapAttrs (_name: path: self.callPackage path {}) pathsByName

pkgs/development/haskell-modules/replacements-by-name/README.md

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       # haskell-modules/replacements-by-name

     

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       This directory is scanned, and all `.nix` files are called in order to replace their respective packages in the `haskellPackages` set.

     

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       They're loaded after `hackage-packages.nix` but before any overrides are applied.

     

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       See [non-hackage-packages.nix](../non-hackage-packages.nix) for the implementation.

     

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       This is used for selective backports of updates, as the hackage package set won't be updated in its entirety.