home-manager/nixos/default.nix

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{ config, lib, pkgs, utils, ... }:
with lib;
let
cfg = config.home-manager;
extendedLib = import ../modules/lib/stdlib-extended.nix pkgs.lib;
hmModule = types.submoduleWith {
specialArgs = {
lib = extendedLib;
nixosConfig = config;
};
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modules = [
({ name, ... }: {
imports = import ../modules/modules.nix {
inherit pkgs;
lib = extendedLib;
useNixpkgsModule = !cfg.useGlobalPkgs;
};
config = {
submoduleSupport.enable = true;
submoduleSupport.externalPackageInstall = cfg.useUserPackages;
# The per-user directory inside /etc/profiles is not known by
# fontconfig by default.
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fonts.fontconfig.enable = cfg.useUserPackages
&& config.fonts.fontconfig.enable;
home.username = config.users.users.${name}.name;
home.homeDirectory = config.users.users.${name}.home;
};
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})
];
};
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serviceEnvironment = optionalAttrs (cfg.backupFileExtension != null) {
HOME_MANAGER_BACKUP_EXT = cfg.backupFileExtension;
} // optionalAttrs cfg.verbose { VERBOSE = "1"; };
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in {
options = {
home-manager = {
useUserPackages = mkEnableOption ''
installation of user packages through the
<option>users.users.&lt;name&gt;.packages</option> option.
'';
useGlobalPkgs = mkEnableOption ''
using the system configuration's <literal>pkgs</literal>
argument in Home Manager. This disables the Home Manager
options <option>nixpkgs.*</option>
'';
backupFileExtension = mkOption {
type = types.nullOr types.str;
default = null;
example = "backup";
description = ''
On activation move existing files by appending the given
file extension rather than exiting with an error.
'';
};
verbose = mkEnableOption "verbose output on activation";
users = mkOption {
type = types.attrsOf hmModule;
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default = { };
# Set as not visible to prevent the entire submodule being included in
# the documentation.
visible = false;
description = ''
Per-user Home Manager configuration.
'';
};
};
};
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config = mkIf (cfg.users != { }) {
warnings = flatten (flip mapAttrsToList cfg.users (user: config:
flip map config.warnings (warning: "${user} profile: ${warning}")));
assertions = flatten (flip mapAttrsToList cfg.users (user: config:
flip map config.assertions (assertion: {
inherit (assertion) assertion;
message = "${user} profile: ${assertion.message}";
})));
users.users = mkIf cfg.useUserPackages
(mapAttrs (username: usercfg: { packages = [ usercfg.home.path ]; })
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cfg.users);
environment.pathsToLink = mkIf cfg.useUserPackages [ "/etc/profile.d" ];
systemd.services = mapAttrs' (_: usercfg:
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let username = usercfg.home.username;
in nameValuePair ("home-manager-${utils.escapeSystemdPath username}") {
description = "Home Manager environment for ${username}";
wantedBy = [ "multi-user.target" ];
wants = [ "nix-daemon.socket" ];
after = [ "nix-daemon.socket" ];
environment = serviceEnvironment;
unitConfig = { RequiresMountsFor = usercfg.home.homeDirectory; };
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serviceConfig = {
User = usercfg.home.username;
Type = "oneshot";
RemainAfterExit = "yes";
SyslogIdentifier = "hm-activate-${username}";
# The activation script is run by a login shell to make sure
# that the user is given a sane Nix environment.
ExecStart = pkgs.writeScript "activate-${username}" ''
#! ${pkgs.runtimeShell} -el
echo Activating home-manager configuration for ${username}
exec ${usercfg.home.activationPackage}/activate
'';
};
}) cfg.users;
};
}