Jordan Holt
0c719603ec
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39 lines
1.2 KiB
Nix
39 lines
1.2 KiB
Nix
final: prev:
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/*
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Generate an overlay from `pkgs` by handling the `callPackage` behaviour
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ourselves, making exceptions for namespaced package sets. We cannot reuse
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the definitions from `self.legacyPackages.${prev.system}`, as that would
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evaluate nixpkgs twice here (prev.system does not exist then).
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*/
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let
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lib = prev.lib;
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pkgs = lib.packagesFromDirectoryRecursive {
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callPackage = path: overrides: path;
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directory = ../pkgs;
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};
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in
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lib.mapAttrs (
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name: value:
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if lib.isAttrs value then
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if lib.hasAttrByPath [ name "overrideScope" ] prev then
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# Namespaced package sets created with `lib.makeScope pkgs.newScope`.
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prev.${name}.overrideScope (
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final': prev': lib.mapAttrs (name': value': final'.callPackage value' { }) value
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)
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else if lib.hasAttrByPath [ name "extend" ] prev then
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# Namespaced package sets created with `lib.makeExtensible`.
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prev.${name}.extend (
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final': prev': lib.mapAttrs (name': value': final.callPackage value' { }) value
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)
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else
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# Namespaced package sets in regular attrsets.
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prev.${name} // value
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else if name == "vaultwarden" then
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final.callPackage value { rustPlatform = final.unstable.rustPlatform; }
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else
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final.callPackage value { }
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) pkgs
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