mirror of
https://github.com/nix-community/home-manager
synced 2024-12-29 05:09:47 +01:00
26e72d85e6
This enables a module system feature documented here: https://nixos.org/manual/nixpkgs/stable/index.html#module-system-lib-evalModules-param-class For example, it allows a mistake to be caught, which is loading a NixOS module into home-manager. This only works when the offending module declares what it's for with a `_class` attribute. It is not expected that users declare the `_type`, because the payoff is small. It is only expected to be set by generic code, such as functions or libraries that help with the "publishing" of modules (e.g. flake-parts, flake-utils). The class feature has been available in the module system since https://github.com/NixOS/nixpkgs/pull/197547, merged May 6, 2023. It has been part of all releases since 23.05-beta. The last NixOS release that did _not_ support it has been end-of-life for close to a year now. Example: (lib.homeManagerConfiguration { pkgs = nixpkgs.legacyPackages.x86_64-linux; modules = [{ _class = "nixos"; imports = [ ./foo.nix ]; }]; }).activation-script Corresponding error: error: The module <unknown-file> was imported into homeManager instead of nixos. (`<unknown-file>` can be improved by also setting `_file`, if known; a much older feature) PR #5339
117 lines
3.5 KiB
Nix
117 lines
3.5 KiB
Nix
# This module is the common base for the NixOS and nix-darwin modules.
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# For OS-specific configuration, please edit nixos/default.nix or nix-darwin/default.nix instead.
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{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.home-manager;
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extendedLib = import ../modules/lib/stdlib-extended.nix lib;
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hmModule = types.submoduleWith {
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description = "Home Manager module";
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class = "homeManager";
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specialArgs = {
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lib = extendedLib;
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osConfig = config;
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modulesPath = builtins.toString ../modules;
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} // cfg.extraSpecialArgs;
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modules = [
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({ name, ... }: {
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imports = import ../modules/modules.nix {
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inherit pkgs;
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lib = extendedLib;
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useNixpkgsModule = !cfg.useGlobalPkgs;
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};
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config = {
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submoduleSupport.enable = true;
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submoduleSupport.externalPackageInstall = cfg.useUserPackages;
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home.username = config.users.users.${name}.name;
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home.homeDirectory = config.users.users.${name}.home;
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# Make activation script use same version of Nix as system as a whole.
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# This avoids problems with Nix not being in PATH.
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nix.package = config.nix.package;
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};
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})
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] ++ cfg.sharedModules;
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};
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in {
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options.home-manager = {
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useUserPackages = mkEnableOption ''
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installation of user packages through the
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{option}`users.users.<name>.packages` option'';
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useGlobalPkgs = mkEnableOption ''
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using the system configuration's `pkgs`
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argument in Home Manager. This disables the Home Manager
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options {option}`nixpkgs.*`'';
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backupFileExtension = mkOption {
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type = types.nullOr types.str;
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default = null;
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example = "backup";
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description = ''
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On activation move existing files by appending the given
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file extension rather than exiting with an error.
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'';
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};
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extraSpecialArgs = mkOption {
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type = types.attrs;
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default = { };
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example = literalExpression "{ inherit emacs-overlay; }";
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description = ''
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Extra `specialArgs` passed to Home Manager. This
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option can be used to pass additional arguments to all modules.
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'';
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};
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sharedModules = mkOption {
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type = with types; listOf raw;
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default = [ ];
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example = literalExpression "[ { home.packages = [ nixpkgs-fmt ]; } ]";
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description = ''
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Extra modules added to all users.
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'';
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};
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verbose = mkEnableOption "verbose output on activation";
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users = mkOption {
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type = types.attrsOf hmModule;
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default = { };
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# Prevent the entire submodule being included in the documentation.
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visible = "shallow";
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description = ''
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Per-user Home Manager configuration.
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'';
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};
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};
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config = (mkMerge [
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# Fix potential recursion when configuring home-manager users based on values in users.users #594
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(mkIf (cfg.useUserPackages && cfg.users != { }) {
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users.users =
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(mapAttrs (username: usercfg: { packages = [ usercfg.home.path ]; })
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cfg.users);
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environment.pathsToLink = [ "/etc/profile.d" ];
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})
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(mkIf (cfg.users != { }) {
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warnings = flatten (flip mapAttrsToList cfg.users (user: config:
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flip map config.warnings (warning: "${user} profile: ${warning}")));
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assertions = flatten (flip mapAttrsToList cfg.users (user: config:
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flip map config.assertions (assertion: {
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inherit (assertion) assertion;
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message = "${user} profile: ${assertion.message}";
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})));
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})
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]);
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}
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