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Merge pull request #18455 from danbst/override

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add .overrideDerivation and .overrideAttrs to packages created with callPackages
This commit is contained in:
Thomas Tuegel 2017-02-14 13:17:13 -06:00 committed by GitHub
commit a5b8d468a5
1 changed files with 3 additions and 5 deletions
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8
lib/customisation.nix
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@ -106,11 +106,9 @@ rec {
let
f = if builtins.isFunction fn then fn else import fn;
auto = builtins.intersectAttrs (builtins.functionArgs f) autoArgs;
finalArgs = auto // args;
pkgs = f finalArgs;
mkAttrOverridable = name: pkg: pkg // {
override = newArgs: mkAttrOverridable name (f (finalArgs // newArgs)).${name};
};
origArgs = auto // args;
pkgs = f origArgs;
mkAttrOverridable = name: pkg: makeOverridable (newArgs: (f newArgs).${name}) origArgs;
in lib.mapAttrs mkAttrOverridable pkgs;