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home-manager/nixos/default.nix
Michael Hoang 400e3c0152
nixos: always run home-manager on NixOS activation (#5780)
Currently, the home-manager systemd service will only get restarted when
the home-manager configuration changes. This can lead to issues in
users' home directories not getting corrected for a while.

    $ rm ~/.zshrc
    $ sudo nixos-rebuild switch
    $ ls ~/.zshrc
    ls: cannot access '/home/enzime/.zshrc': No such file or directory
2024-11-16 18:25:31 +01:00

87 lines
2.7 KiB
Nix

{ config, lib, pkgs, utils, ... }:
with lib;
let
cfg = config.home-manager;
serviceEnvironment = optionalAttrs (cfg.backupFileExtension != null) {
HOME_MANAGER_BACKUP_EXT = cfg.backupFileExtension;
} // optionalAttrs cfg.verbose { VERBOSE = "1"; };
in {
imports = [ ./common.nix ];
config = mkMerge [
{
home-manager = {
extraSpecialArgs.nixosConfig = config;
sharedModules = [{
# The per-user directory inside /etc/profiles is not known by
# fontconfig by default.
fonts.fontconfig.enable = lib.mkDefault
(cfg.useUserPackages && config.fonts.fontconfig.enable);
# Inherit glibcLocales setting from NixOS.
i18n.glibcLocales = lib.mkDefault config.i18n.glibcLocales;
}];
};
}
(mkIf (cfg.users != { }) {
systemd.services = mapAttrs' (_: usercfg:
let username = usercfg.home.username;
in nameValuePair ("home-manager-${utils.escapeSystemdPath username}") {
description = "Home Manager environment for ${username}";
wantedBy = [ "multi-user.target" ];
wants = [ "nix-daemon.socket" ];
after = [ "nix-daemon.socket" ];
before = [ "systemd-user-sessions.service" ];
environment = serviceEnvironment;
unitConfig = { RequiresMountsFor = usercfg.home.homeDirectory; };
stopIfChanged = false;
serviceConfig = {
User = usercfg.home.username;
Type = "oneshot";
TimeoutStartSec = "5m";
SyslogIdentifier = "hm-activate-${username}";
ExecStart = let
systemctl =
"XDG_RUNTIME_DIR=\${XDG_RUNTIME_DIR:-/run/user/$UID} systemctl";
sed = "${pkgs.gnused}/bin/sed";
exportedSystemdVariables = concatStringsSep "|" [
"DBUS_SESSION_BUS_ADDRESS"
"DISPLAY"
"WAYLAND_DISPLAY"
"XAUTHORITY"
"XDG_RUNTIME_DIR"
];
setupEnv = pkgs.writeScript "hm-setup-env" ''
#! ${pkgs.runtimeShell} -el
# The activation script is run by a login shell to make sure
# that the user is given a sane environment.
# If the user is logged in, import variables from their current
# session environment.
eval "$(
${systemctl} --user show-environment 2> /dev/null \
| ${sed} -En '/^(${exportedSystemdVariables})=/s/^/export /p'
)"
exec "$1/activate"
'';
in "${setupEnv} ${usercfg.home.activationPackage}";
};
}) cfg.users;
})
];
}