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{
config,
lib,
pkgs,
...
}:
{
options.common.programs.niri.enable = lib.mkEnableOption "niri";
config = lib.mkIf config.common.programs.niri.enable {
programs.niri.enable = true;
systemd.user.services."niri" = {
# Niri ships with a `niri.service` unit, so the configuration here is
# actually a drop-in override. Environment variables here should be forced
# to be `{ }`, otherwise a default `PATH` for services is injected here,
# clearing all inherited paths and making the WM totally unuseable without
# `/run/current-system/sw/bin`, `q/etc/profiles/per-user/<username>/bin` and
# potentially other paths.
environment = lib.mkForce { };
bindsTo = [
"graphical-session.target"
"niri-session.target"
];
before = [
"graphical-session.target"
"niri-session.target"
];
};
systemd.user.targets."niri-session" = {
description = "Current Niri graphical user session";
documentation = [ "man:systemd.special(7)" ];
requires = [ "basic.target" ];
unitConfig.RefuseManualStart = true;
unitConfig.StopWhenUnneeded = true;
};
# `maid-activation.service` finishes before `graphical-session-pre.target`,
# so services dependent on a graphical environment won't run without another
# activation.
# See <https://github.com/viperML/nix-maid/issues/53>.
systemd.user.services."maid-graphical-session-activation" = {
wantedBy = [ "graphical-session.target" ];
after = [ "graphical-session.target" ];
serviceConfig.Type = "oneshot";
serviceConfig.ExecStart = "${lib.getExe' pkgs.systemd "systemctl"} --user restart maid-activation.service";
serviceConfig.RemainAfterExit = true;
};
# `nixos-fake-graphical-session.target` breaks some default systemd targets'
# semantics, such as `graphical-session.target`, when using most WMs.
# See <https://github.com/viperML/nix-maid/issues/56>
systemd.user.targets."nixos-fake-graphical-session".enable = false;
};
}