home-manager/modules/default.nix
Robert Helgesson 6e4b9af080
Switch to extended Nixpkg's lib
This change makes use of the `extend` function inside `lib` to inject
a new `hm` field containing the Home Manager library functions. This
simplifies use of the Home Manager library in the modules and reduces
the risk of accidental infinite recursion.

PR #994
2020-01-21 20:47:04 +01:00

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{ configuration
, pkgs
, lib ? pkgs.stdenv.lib
# Whether to check that each option has a matching declaration.
, check ? true
}:
with lib;
let
collectFailed = cfg:
map (x: x.message) (filter (x: !x.assertion) cfg.assertions);
showWarnings = res:
let
f = w: x: builtins.trace "warning: ${w}" x;
in
fold f res res.config.warnings;
extendedLib = import ./lib/stdlib-extended.nix pkgs.lib;
hmModules =
import ./modules.nix {
inherit check pkgs;
lib = extendedLib;
};
rawModule = extendedLib.evalModules {
modules = [ configuration ] ++ hmModules;
specialArgs = {
modulesPath = builtins.toString ./.;
};
};
module = showWarnings (
let
failed = collectFailed rawModule.config;
failedStr = concatStringsSep "\n" (map (x: "- ${x}") failed);
in
if failed == []
then rawModule
else throw "\nFailed assertions:\n${failedStr}"
);
in
{
inherit (module) options config;
activationPackage = module.config.home.activationPackage;
# For backwards compatibility. Please use activationPackage instead.
activation-script = module.config.home.activationPackage;
newsDisplay = rawModule.config.news.display;
newsEntries =
sort (a: b: a.time > b.time) (
filter (a: a.condition) rawModule.config.news.entries
);
}