commit 0123200dee6bd3f94dbf6fed376b3208dcefe309 · pyrox.dev/nixpkgs

+18

lib/customisation.nix

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              else { }));

     

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         /* `makeOverridable` takes a function from attribute set to attribute set and

     

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            injects `override` attibute which can be used to override arguments of

     

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            the function.

     

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              nix-repl> x = {a, b}: { result = a + b; }

     

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              nix-repl> y = lib.makeOverridable x { a = 1; b = 2; }

     

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              nix-repl> y

     

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              { override = «lambda»; overrideDerivation = «lambda»; result = 3; }

     

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              nix-repl> y.override { a = 10; }

     

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              { override = «lambda»; overrideDerivation = «lambda»; result = 12; }

     

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            Please refer to "Nixpkgs Contributors Guide" section

     

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            "<pkg>.overrideDerivation" to learn about `overrideDerivation` and caveats

     

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            related to its use.

     

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         */

     

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         makeOverridable = f: origArgs:

     

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           let

     

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             ff = f origArgs;

+1 -1

pkgs/development/haskell-modules/make-package-set.nix

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               in generateExprs name src {}) overrides;

     

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           # : { root : Path

     

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           #   , source-overrides : Defaulted (Either Path VersionNumber

     

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           #   , source-overrides : Defaulted (Either Path VersionNumber)

     

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           #   , overrides : Defaulted (HaskellPackageOverrideSet)

     

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           #   } -> NixShellAwareDerivation

     

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           # Given a path to a haskell package directory whose cabal file is