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default.nix
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default.nix
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{ lib, config, self, inputs, ... }:
{
imports = [
../lib
];
options = let
inherit (lib)
types
;
inherit (config.lib)
createThings
;
createOverlays = baseDir:
createThings {
inherit baseDir;
thingType = "overlay";
};
in {
auto.overlays = lib.mkOption {
description = ''
Automagically generate overlays from walking directories with Nix files
'';
type = types.submodule (submodule: {
options = {
enable = lib.mkEnableOption "Automatic overlays extraction";
dir = lib.mkOption {
description = ''
Base directory of the contained overlays
'';
type = types.path;
default = "${self}/overlays";
defaultText = ''''${self}/overlays'';
};
result = lib.mkOption {
description = ''
The resulting automatic overlays
'';
type = types.attrsOf types.unspecified;
readOnly = true;
internal = true;
default =
lib.optionalAttrs
config.auto.overlays.enable
(createOverlays config.auto.overlays.dir);
};
};
});
default = {};
};
};
config = {
flake = let
overlays =
lib.pipe
config.auto.overlays.result
[
(lib.mapAttrs
(name: overlay:
overlay))
];
in {
inherit overlays;
};
};
}