31 lines
1008 B
Nix
31 lines
1008 B
Nix
# this overlay exists specifically to control the order in which other overlays are applied.
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# for example, `pkgs` *must* be added before `cross`, as the latter applies overrides
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# to the packages defined in the former.
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let
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pkgs = import ./pkgs.nix;
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preferences = import ./preferences.nix;
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cross = import ./cross.nix;
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static = import ./static.nix;
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pkgs-ccache = import ./pkgs-ccache.nix;
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pkgs-debug = import ./pkgs-debug.nix;
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in
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final: prev:
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let
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optional = cond: overlay: if cond then overlay else (_: _: {});
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isCross = !(prev.lib.systems.equals prev.stdenv.hostPlatform prev.stdenv.buildPlatform);
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# isCross = !(prev.stdenv.buildPlatform.canExecute prev.stdenv.hostPlatform);
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isStatic = prev.stdenv.hostPlatform.isStatic;
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renderOverlays = overlays: builtins.foldl'
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(acc: thisOverlay: acc // (thisOverlay final acc))
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prev
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overlays;
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in
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renderOverlays [
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pkgs
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preferences
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(optional isCross cross)
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(optional isStatic static)
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pkgs-ccache
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pkgs-debug
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]
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