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{ pkgs, pkgsi686Linux }:
fn: let
inherit (builtins) isFunction intersectAttrs functionArgs;
f = if isFunction fn then fn else import fn;
autoArgs = pkgs // {
callPackage = pkgs.lib.callPackageWith (pkgs // super);
callPackage_i686 = pkgs.lib.callPackageWith (pkgsi686Linux // super);
};
args = intersectAttrs (functionArgs f) autoArgs;
mkOverridable = overrideFun: origArgs: let
superSet = overrideFun origArgs;
overrideWith = newArgs: let
overridden = if isFunction newArgs then newArgs origArgs else newArgs;
in origArgs // overridden;
in superSet // {
override = newArgs: mkOverridable overrideFun (overrideWith newArgs);
};
super = mkOverridable f args;
in pkgs.recurseIntoAttrs super
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