Add NixOS modules for desktop, greetd and services

This commit is contained in:
2026-08-07 12:26:46 +02:00
parent 710a2d020a
commit baae084594
6 changed files with 432 additions and 3 deletions
+32 -3
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@@ -9,6 +9,10 @@
# Project sources. These repos are not flakes themselves, they are
# consumed as plain source trees pinned to a release tag.
moonarch = {
url = "git+https://gitea.moonarch.de/nevaforget/moonarch.git";
flake = false;
};
moonlock = {
url = "git+https://gitea.moonarch.de/nevaforget/moonlock.git?ref=refs/tags/v0.6.20";
flake = false;
@@ -28,9 +32,8 @@
let
system = "x86_64-linux";
pkgs = nixpkgs.legacyPackages.${system};
in
{
packages.${system} = {
moonarchPackages = {
moonlock = pkgs.callPackage ./pkgs/moonlock.nix {
src = inputs.moonlock;
version = "0.6.20";
@@ -46,6 +49,32 @@
version = "0.9.1";
};
};
in
{
packages.${system} = moonarchPackages;
# Makes the packages and the moonarch source tree available to every
# module without threading arguments through by hand.
nixosModules.moonarch = { ... }: {
imports = [
./modules/desktop.nix
./modules/greetd.nix
./modules/services.nix
];
_module.args = {
moonarchSrc = inputs.moonarch;
moonarchPkgs = moonarchPackages;
};
};
nixosConfigurations.moonarch-vm = nixpkgs.lib.nixosSystem {
inherit system;
modules = [
./hosts/moonarch-vm
self.nixosModules.moonarch
];
};
devShells.${system}.default = pkgs.mkShell {
packages = with pkgs; [ nixpkgs-fmt ];
+41
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@@ -0,0 +1,41 @@
# ABOUTME: Host configuration for the NixOS test VM running under QEMU/KVM.
# ABOUTME: Holds everything specific to the VM so the bare-metal host stays clean.
{ pkgs, ... }:
{
imports = [ ./hardware-configuration.nix ];
boot.loader.systemd-boot.enable = true;
boot.loader.efi.canTouchEfiVariables = true;
boot.kernelParams = [ "quiet" ];
networking.hostName = "moonarch-vm";
networking.networkmanager.enable = true;
time.timeZone = "Europe/Berlin";
i18n.defaultLocale = "de_DE.UTF-8";
console.keyMap = "de";
users.users.kresdo = {
isNormalUser = true;
description = "Dominik Kressler";
extraGroups = [ "networkmanager" "wheel" "video" "input" ];
shell = pkgs.zsh;
};
# Development access from the host via the QEMU port forward on 127.0.0.1:2222.
services.openssh = {
enable = true;
settings.PasswordAuthentication = true;
};
# QEMU guest agent and clipboard/resolution integration.
services.qemuGuest.enable = true;
services.spice-vdagentd.enable = true;
nix.settings.experimental-features = [ "nix-command" "flakes" ];
nixpkgs.config.allowUnfree = true;
system.stateVersion = "26.05";
}
@@ -0,0 +1,44 @@
# Do not modify this file! It was generated by nixos-generate-config
# and may be overwritten by future invocations. Please make changes
# to /etc/nixos/configuration.nix instead.
{ config, lib, pkgs, modulesPath, ... }:
{
imports =
[ (modulesPath + "/profiles/qemu-guest.nix")
];
boot.initrd.availableKernelModules = [ "ata_piix" "virtio_pci" "floppy" "sr_mod" "virtio_blk" ];
boot.initrd.kernelModules = [ ];
boot.kernelModules = [ "kvm-amd" ];
boot.extraModulePackages = [ ];
fileSystems."/" =
{ device = "/dev/disk/by-uuid/b88b75df-3999-4110-9e37-b8b76bf8206d";
fsType = "btrfs";
};
fileSystems."/home" =
{ device = "/dev/disk/by-uuid/b88b75df-3999-4110-9e37-b8b76bf8206d";
fsType = "btrfs";
options = [ "subvol=home" ];
};
fileSystems."/nix" =
{ device = "/dev/disk/by-uuid/b88b75df-3999-4110-9e37-b8b76bf8206d";
fsType = "btrfs";
options = [ "subvol=nix" ];
};
fileSystems."/boot" =
{ device = "/dev/disk/by-uuid/77FC-6FE3";
fsType = "vfat";
options = [ "fmask=0077" "dmask=0077" ];
};
swapDevices =
[ { device = "/dev/disk/by-uuid/47747ffb-51b7-44c5-a2f3-6db564497c5c"; }
];
nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
}
+166
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@@ -0,0 +1,166 @@
# ABOUTME: Deploys the Moonarch XDG configs and desktop package set.
# ABOUTME: Counterpart to the package() function in moonarch-git/PKGBUILD.
{ pkgs, lib, moonarchSrc, moonarchPkgs, ... }:
let
xdg = "${moonarchSrc}/defaults/xdg";
etc = "${moonarchSrc}/defaults/etc";
# The moonarch-* helper scripts from defaults/bin, installed as a single
# package. Counterpart to `install -Dm755 defaults/bin/moonarch-* -t /usr/bin/`.
moonarch-scripts = pkgs.stdenv.mkDerivation {
pname = "moonarch-scripts";
version = "0-unstable";
src = moonarchSrc;
dontBuild = true;
installPhase = ''
runHook preInstall
install -Dm755 defaults/bin/moonarch-* -t "$out/bin/"
runHook postInstall
'';
meta.description = "Moonarch helper scripts for Waybar, power and devices";
};
in
{
# --- XDG configs -> /etc/xdg/ ---
#
# Deployed verbatim from the moonarch repo; defaults/ stays the single
# source of truth for both distros.
#
# Deliberately excluded: defaults/xdg/walker/ — walker is not part of this
# setup, the Quickshell launcher replaced it.
environment.etc = {
"xdg/niri/config.kdl".source = "${xdg}/niri/config.kdl";
"xdg/quickshell/moonarch".source = "${xdg}/quickshell/moonarch";
"xdg/waybar".source = "${xdg}/waybar";
"xdg/swaync".source = "${xdg}/swaync";
"xdg/foot/foot.ini".source = "${xdg}/foot/foot.ini";
"xdg/fastfetch/config.jsonc".source = "${xdg}/fastfetch/config.jsonc";
"xdg/kanshi/config".source = "${xdg}/kanshi/config";
"xdg/Kvantum/kvantum.kvconfig".source = "${xdg}/Kvantum/kvantum.kvconfig";
"xdg/qt6ct/qt6ct.conf".source = "${xdg}/qt6ct/qt6ct.conf";
"xdg/gtk-3.0/settings.ini".source = "${xdg}/gtk-3.0/settings.ini";
"xdg/gtk-4.0/settings.ini".source = "${xdg}/gtk-4.0/settings.ini";
"xdg/pipewire/pipewire.conf.d/99-input-denoising.conf".source =
"${xdg}/pipewire/pipewire.conf.d/99-input-denoising.conf";
# stasis reads /etc/stasis/ as its system-wide fallback, never /etc/xdg/.
"stasis/stasis.rune".source = "${xdg}/stasis/stasis.rune";
# Configs outside /etc/xdg/ in the Arch package as well.
"mpv/mpv.conf".source = "${etc}/mpv/mpv.conf";
"fonts/conf.d/65-moonarch-fonts.conf".source =
"${etc}/fonts/conf.d/65-moonarch-fonts.conf";
"xdg-desktop-portal/niri-portals.conf".source =
"${etc}/xdg-desktop-portal/niri-portals.conf";
};
# --- Compositor ---
programs.niri.enable = true;
# --- Shell ---
programs.zsh.enable = true;
# --- Theme, systemwide instead of the gsettings calls in post-install.sh ---
programs.dconf = {
enable = true;
profiles.user.databases = [{
settings."org/gnome/desktop/interface" = {
gtk-theme = "Colloid-Grey-Dark-Catppuccin";
icon-theme = "Colloid-Grey-Catppuccin-Dark";
color-scheme = "prefer-dark";
font-name = "UbuntuSans Nerd Font 11";
};
}];
};
# --- Portals ---
xdg.portal = {
enable = true;
extraPortals = with pkgs; [ xdg-desktop-portal-gnome xdg-desktop-portal-gtk ];
};
fonts.packages = with pkgs; [
nerd-fonts.ubuntu-sans
openmoji-color
];
environment.systemPackages = with pkgs; [
# Moonarch's own programs
moonarchPkgs.moonlock
moonarchPkgs.moonset
moonarch-scripts
# Compositor extras
xwayland-satellite
kanshi
# Bar, notifications, clipboard
waybar
quickshell
swaynotificationcenter
libnotify
cliphist
wl-clipboard
# Display and wallpaper
wlsunset
nwg-look
brightnessctl
awww
# Terminal
foot
# Audio
pavucontrol
alsa-utils
# Network and bluetooth
networkmanagerapplet
blueman
# File manager stack
gvfs
udisks2
ntfs3g
# Theming
(colloid-gtk-theme.override {
themeVariants = [ "grey" ];
colorVariants = [ "dark" ];
tweaks = [ "catppuccin" ];
})
colloid-icon-theme
libsForQt5.qtstyleplugin-kvantum
qt6Packages.qtstyleplugin-kvantum
qt6ct
qt6.qt5compat
# CLI tools referenced by zshrc and the helper scripts
bat
btop
eza
fastfetch
fd
fzf
jq
lazygit
ripgrep
neovim
git
# System
fwupd
upower
polkit_gnome
wdisplays
wl-color-picker
];
# Polkit agent for privilege prompts inside the session.
security.polkit.enable = true;
}
+45
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@@ -0,0 +1,45 @@
# ABOUTME: Sets up greetd with moongreet as the login greeter.
# ABOUTME: Counterpart to defaults/etc/greetd/ in the moonarch repo.
{ pkgs, lib, moonarchSrc, moonarchPkgs, ... }:
let
wallpaper = "${moonarchSrc}/defaults/backgrounds/wallpaper.jpg";
# moongreet.toml cannot be copied verbatim: the upstream file points at
# /usr/share/moonarch/wallpaper.jpg, which does not exist under Nix.
# Everything else matches defaults/etc/moongreet/moongreet.toml.
moongreetConfig = pkgs.writeText "moongreet.toml" ''
[appearance]
background = "${wallpaper}"
cursor-size = 24
'';
greeterNiriConfig = "${moonarchSrc}/defaults/etc/greetd/niri-greeter.kdl";
in
{
environment.etc = {
"greetd/niri-greeter.kdl".source = greeterNiriConfig;
"moongreet/moongreet.toml".source = moongreetConfig;
};
services.greetd = {
enable = true;
settings = {
terminal.vt = 1;
default_session = {
# moongreet needs a Wayland compositor; niri provides it.
command = "${lib.getExe pkgs.niri} -c /etc/greetd/niri-greeter.kdl";
user = "greeter";
};
};
};
# The greeter session spawns `moongreet` by name from niri-greeter.kdl,
# so it has to resolve in PATH.
environment.systemPackages = [ moonarchPkgs.moongreet ];
# PAM stack for moonlock, shipped by the package but owned by the system.
security.pam.services.moonlock.text =
builtins.readFile "${moonarchPkgs.moonlock}/share/moonlock/moonlock-pam";
}
+104
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@@ -0,0 +1,104 @@
# ABOUTME: systemd user and system services for the Moonarch session.
# ABOUTME: Rebuilt from defaults/etc/systemd/ because the units use FHS paths.
{ pkgs, lib, ... }:
{
# --- Audio ---
services.pipewire = {
enable = true;
alsa.enable = true;
alsa.support32Bit = true;
pulse.enable = true;
jack.enable = true;
};
# --- Hardware ---
hardware.bluetooth.enable = true;
services.blueman.enable = true;
services.udisks2.enable = true;
services.upower.enable = true;
services.gvfs.enable = true;
services.fwupd.enable = true;
# --- Firewall, replaces the ufw calls in post-install.sh ---
networking.firewall.enable = true;
# --- Session services ---
#
# Rebuilt rather than copied: the upstream units reference /usr/bin/,
# which does not exist under Nix.
systemd.user.services.kanshi = {
description = "Dynamic display configuration";
partOf = [ "graphical-session.target" ];
after = [ "graphical-session.target" ];
wantedBy = [ "graphical-session.target" ];
serviceConfig = {
Type = "simple";
ExecStart = lib.getExe pkgs.kanshi;
Restart = "on-failure";
RestartSec = 3;
};
};
systemd.user.services.cliphist-text = {
description = "Clipboard history manager (text)";
partOf = [ "graphical-session.target" ];
wantedBy = [ "graphical-session.target" ];
serviceConfig = {
Type = "simple";
ExecStartPre = "${pkgs.runtimeShell} -c 'mkdir -p $XDG_RUNTIME_DIR/cliphist && ${pkgs.cliphist}/bin/cliphist wipe'";
ExecStart = "${pkgs.wl-clipboard}/bin/wl-paste --watch ${pkgs.cliphist}/bin/cliphist -db-path %t/cliphist/db store";
Restart = "on-failure";
RestartSec = 3;
};
};
systemd.user.services.cliphist-image = {
description = "Clipboard history manager (image)";
partOf = [ "graphical-session.target" ];
after = [ "cliphist-text.service" ];
wantedBy = [ "graphical-session.target" ];
serviceConfig = {
Type = "simple";
ExecStart = "${pkgs.wl-clipboard}/bin/wl-paste --type image --watch ${pkgs.cliphist}/bin/cliphist -db-path %t/cliphist/db store";
Restart = "on-failure";
RestartSec = 3;
};
};
# Night light stays disabled by default: it is a user toggle. Enabling it
# here would create a system-scope symlink that overrides any
# `systemctl --user disable` — same reasoning as in moonarch-git/PKGBUILD.
systemd.user.services.wlsunset = {
description = "Wlsunset night light (blue light filter)";
partOf = [ "graphical-session.target" ];
after = [ "graphical-session.target" "kanshi.service" ];
wantedBy = [ ];
serviceConfig = {
Type = "simple";
ExecStartPre = "${pkgs.coreutils}/bin/sleep 2";
ExecStart = "${lib.getExe pkgs.wlsunset} -T 6500 -t 5000 -S 00:00 -s 00:01";
# Leading '-' keeps a missing waybar non-fatal, otherwise pkill's exit 1
# fails the unit and Restart=on-failure spins it in a flicker loop.
ExecStartPost = "-${pkgs.procps}/bin/pkill -RTMIN+11 waybar";
Restart = "on-failure";
RestartSec = 3;
};
};
# Polkit authentication agent for the graphical session.
systemd.user.services.polkit-gnome-authentication-agent-1 = {
description = "polkit-gnome authentication agent";
partOf = [ "graphical-session.target" ];
after = [ "graphical-session.target" ];
wantedBy = [ "graphical-session.target" ];
serviceConfig = {
Type = "simple";
ExecStart = "${pkgs.polkit_gnome}/libexec/polkit-gnome-authentication-agent-1";
Restart = "on-failure";
RestartSec = 1;
};
};
}