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26 lines
659 B
Nix
26 lines
659 B
Nix
# Copyright (c) 2019-2020, see AUTHORS. Licensed under MIT License, see LICENSE.
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with import <nixpkgs> { };
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with lib;
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let
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pkgs = (import ./pkgs {}) // { recurseForDerivations = true; };
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isCacheable = p: !(p.preferLocalBuild or false);
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shouldRecurseForDerivations = p: isAttrs p && p.recurseForDerivations or false;
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flattenPkgs = s:
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let
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f = p:
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if shouldRecurseForDerivations p then flattenPkgs p
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else if isDerivation p then [ p ]
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else [ ];
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in
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concatMap f (attrValues s);
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cachePkgs = filter isCacheable (flattenPkgs pkgs);
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outputsOf = p: map (o: p.${o}) p.outputs;
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in
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concatMap outputsOf cachePkgs
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