refactor: create glue/ and variants/ directories
- Add glue/ for fleet generation logic and common configuration - Add variants/ for hardware type modules - Improves separation of concerns and module organization
This commit is contained in:
UGA Innovation Factory
276
glue/user-config.nix
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276
glue/user-config.nix
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@@ -0,0 +1,276 @@
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{
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pkgs,
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config,
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lib,
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inputs,
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...
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}:
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# ============================================================================
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# User Configuration Module
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# ============================================================================
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# This module defines the schema for user accounts and handles their creation.
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# It bridges the gap between the data in 'users.nix' and the actual NixOS
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# and Home Manager configuration.
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let
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# Load users.nix to get account definitions
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usersData = import ../users.nix { inherit pkgs; };
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accounts = usersData.athenix.users or { };
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# Helper: Resolve external module path from fetchGit/fetchTarball/path
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resolveExternalPath =
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external:
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if external == null then
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null
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else if builtins.isAttrs external && external ? outPath then
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external.outPath
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else
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external;
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# Helper: Check if path exists and is valid
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isValidPath =
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path:
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path != null
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&& (builtins.isPath path || (builtins.isString path && lib.hasPrefix "/" path))
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&& builtins.pathExists path;
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# Extract athenix.users options from external user.nix modules
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# First, build a cache of options per user from their external user.nix (if any).
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externalUserModuleOptions = lib.genAttrs (lib.attrNames accounts) (
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name:
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let
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user = accounts.${name};
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externalPath = resolveExternalPath (user.external or null);
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userNixPath = if externalPath != null then externalPath + "/user.nix" else null;
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in
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if isValidPath userNixPath then
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let
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# Import and evaluate the module with minimal args
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outerModule = import userNixPath { inherit inputs; };
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evaluatedModule = outerModule {
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config = { };
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inherit lib pkgs;
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osConfig = null;
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};
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# Extract just the athenix.users.<name> options
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athenixUsers = evaluatedModule.athenix.users or { };
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in
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athenixUsers.${name} or { }
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else
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{ }
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);
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# externalUserOptions only contains users that actually have options defined
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externalUserOptions = lib.filterAttrs (
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_: moduleOptions: moduleOptions != { }
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) externalUserModuleOptions;
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# Submodule defining the structure of a user account
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userSubmodule = lib.types.submodule {
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options = {
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isNormalUser = lib.mkOption {
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type = lib.types.bool;
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default = true;
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};
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description = lib.mkOption {
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type = lib.types.nullOr lib.types.str;
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default = null;
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};
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extraGroups = lib.mkOption {
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type = lib.types.listOf lib.types.str;
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default = [ ];
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};
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hashedPassword = lib.mkOption {
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type = lib.types.str;
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default = "!";
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};
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extraPackages = lib.mkOption {
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type = lib.types.listOf lib.types.package;
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default = [ ];
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};
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excludePackages = lib.mkOption {
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type = lib.types.listOf lib.types.package;
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default = [ ];
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};
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homePackages = lib.mkOption {
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type = lib.types.listOf lib.types.package;
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default = [ ];
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};
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extraImports = lib.mkOption {
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type = lib.types.listOf lib.types.path;
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default = [ ];
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};
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external = lib.mkOption {
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type = lib.types.nullOr (
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lib.types.oneOf [
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lib.types.path
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lib.types.package
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lib.types.attrs
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]
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);
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default = null;
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description = ''
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External user configuration module. Can be:
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- A path to a local module directory
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- A fetchGit/fetchTarball result pointing to a repository
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The external module can contain:
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- user.nix (optional): Sets athenix.users.<name> options AND home-manager config
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- nixos.nix (optional): System-level NixOS configuration
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Example: builtins.fetchGit { url = "https://github.com/user/dotfiles"; rev = "..."; }
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'';
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};
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opensshKeys = lib.mkOption {
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type = lib.types.listOf lib.types.str;
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default = [ ];
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description = "List of SSH public keys for the user.";
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};
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shell = lib.mkOption {
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type = lib.types.nullOr lib.types.package;
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default = null;
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description = "The shell for this user.";
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};
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editor = lib.mkOption {
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type = lib.types.nullOr lib.types.package;
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default = null;
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description = "The default editor for this user.";
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};
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useZshTheme = lib.mkOption {
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type = lib.types.bool;
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default = true;
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description = "Whether to apply the system Zsh theme.";
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};
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useNvimPlugins = lib.mkOption {
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type = lib.types.bool;
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default = true;
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description = "Whether to apply the system Neovim configuration.";
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};
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enable = lib.mkOption {
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type = lib.types.bool;
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default = false;
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description = "Whether this user account is enabled on this system.";
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};
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};
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};
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in
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{
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options.athenix.users = lib.mkOption {
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type = lib.types.attrsOf userSubmodule;
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default = { };
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description = "User accounts configuration. Set enable=true for users that should exist on this system.";
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};
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config = {
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# Merge user definitions from users.nix with options from external user.nix modules
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# External options take precedence over users.nix (which uses lib.mkDefault)
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athenix.users = lib.mapAttrs (
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name: user:
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user
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// {
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description = lib.mkDefault (user.description or null);
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shell = lib.mkDefault (user.shell or null);
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extraGroups = lib.mkDefault (user.extraGroups or [ ]);
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}
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// (externalUserOptions.${name} or { })
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) accounts;
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# Generate NixOS users
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users.users =
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let
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enabledAccounts = lib.filterAttrs (_: user: user.enable) config.athenix.users;
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in
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lib.mapAttrs (
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name: user:
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let
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isPlasma6 = config.services.desktopManager.plasma6.enable;
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defaultPackages = lib.optionals (isPlasma6 && name != "root") [ pkgs.kdePackages.kate ];
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finalPackages = lib.subtractLists user.excludePackages (defaultPackages ++ user.extraPackages);
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in
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{
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inherit (user) isNormalUser extraGroups hashedPassword;
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description = if user.description != null then user.description else lib.mkDefault "";
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openssh.authorizedKeys.keys = user.opensshKeys;
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packages = finalPackages;
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shell = if user.shell != null then user.shell else pkgs.bash;
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}
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) enabledAccounts;
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# Home Manager configs per user
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home-manager = {
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useGlobalPkgs = true;
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useUserPackages = true;
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extraSpecialArgs = {
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osConfig = config;
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inherit inputs;
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};
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users =
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let
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enabledAccounts = lib.filterAttrs (_: user: user.enable) config.athenix.users;
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in
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lib.mapAttrs (
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name: user:
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let
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# Resolve external module paths
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hasExternal = user.external != null;
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externalPath = resolveExternalPath user.external;
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userNixPath = if externalPath != null then externalPath + "/user.nix" else null;
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hasExternalUser = isValidPath userNixPath;
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# Import external user.nix for home-manager (filter out athenix.* options)
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externalUserModule =
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if hasExternalUser then
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let
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fullModule = import userNixPath { inherit inputs; };
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in
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# Only pass through non-athenix options to home-manager
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{
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config,
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lib,
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pkgs,
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osConfig,
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...
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}:
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let
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evaluated = fullModule {
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inherit
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config
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lib
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pkgs
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osConfig
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;
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};
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in
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lib.filterAttrs (attrName: _: attrName != "athenix") evaluated
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else
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{ };
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# Common imports based on user flags
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commonImports = lib.optional user.useZshTheme ../sw/theme.nix ++ [
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(import ../sw/nvim.nix { inherit user; })
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];
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# Build imports list
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allImports = user.extraImports ++ commonImports ++ lib.optional hasExternalUser externalUserModule;
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in
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lib.mkMerge [
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{
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imports = allImports;
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# Always set these required options
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home.username = name;
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home.homeDirectory = if name == "root" then "/root" else "/home/${name}";
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home.stateVersion = "25.11";
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}
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(lib.mkIf (!hasExternal) {
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# For local users only, add their packages
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home.packages = user.homePackages;
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})
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]
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) enabledAccounts;
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};
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};
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}
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