depot/third_party/nixpkgs/pkgs/development/dhall-modules/lib.nix
Default email 7cbac10661 Project import generated by Copybara.
GitOrigin-RevId: a371c1071161104d329f6a85d922fd92b7cbab63
2020-11-12 09:05:59 +00:00

25 lines
696 B
Nix

{ lib }:
let
# This is essentially the same thing as `lib.makeOverridable`, except storing
# the override method in a method named `overridePackage` so that it's not
# shadowed by the `override` method added by `callPackage`
makePackageOverridable = f: args:
let
result = lib.makeOverridable f args;
copyArgs = g: lib.setFunctionArgs g (lib.functionArgs f);
overrideWith =
update: args // (if lib.isFunction update then update args else update);
overridePackage =
copyArgs (update: makePackageOverridable f (overrideWith update));
in
result // { inherit overridePackage; };
in
lib // {
inherit makePackageOverridable;
}