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{ lib, options, ... }:
let
inherit (lib) mkOption mkMerge types;
in
{
imports = [
{
_file = "the-defs-file.nix";
config.flags.my-flag = 3.14;
}
];
options.flags = mkOption {
type = types.attrListWith {
elemType = types.anything;
asAttrs = true;
mergeAttrValues = _name: vs: lib.head vs;
};
};
options.argv = mkOption { type = types.listOf types.str; };
# Feed definitions into argv; the float from the-defs-file.nix should cause
# a type error mentioning that file
config.argv = mkMerge options.flags.valueMeta.definitions;
}
|
