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home-manager/modules/lib/types.nix

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{ lib, dag ? import ./dag.nix { inherit lib; } }:
with lib;
let
typesDag = import ./types-dag.nix { inherit dag lib; };
in
{
inherit (typesDag) dagOf listOrDagOf;
selectorFunction = mkOptionType {
name = "selectorFunction";
description =
"Function that takes an attribute set and returns a list"
+ " containing a selection of the values of the input set";
check = isFunction;
merge = _loc: defs:
as: concatMap (select: select as) (getValues defs);
};
overlayFunction = mkOptionType {
name = "overlayFunction";
description =
"An overlay function, takes self and super and returns"
+ " an attribute set overriding the desired attributes.";
check = isFunction;
merge = _loc: defs:
self: super:
foldl' (res: def: mergeAttrs res (def.value self super)) {} defs;
};
2020-02-23 11:11:12 +01:00
fontType = types.submodule {
options = {
package = mkOption {
type = types.nullOr types.package;
default = null;
example = literalExample "pkgs.dejavu_fonts";
description = ''
Package providing the font. This package will be installed
to your profile. If <literal>null</literal> then the font
is assumed to already be available in your profile.
'';
};
name = mkOption {
type = types.str;
example = "DejaVu Sans 8";
description = ''
The family name and size of the font within the package.
'';
};
};
};
}