nevaforget
d26faa091d
useNautilus = false assigns FileChooser to gtk and drops the nautilus D-Bus registration; the GTK3 dialog then follows the same settings.ini as thunar. The deployed niri-portals.conf is gone: /etc/xdg-desktop-portal/ ranks below /etc/xdg/, where programs.niri writes the same file. Its one extra key, Inhibit=none, moves to desktop.nix.
231 lines
11 KiB
Nix
231 lines
11 KiB
Nix
# ABOUTME: Deploys the XDG configs from the moonarch repo and the package set.
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# ABOUTME: Niri, Quickshell, terminal, portals and the packages without a theme.
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{ pkgs, moonarchSrc, moonarchPkgs, moonarchThemes, ... }:
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let
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xdg = "${moonarchSrc}/defaults/xdg";
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# waypaper calls `swww`/`swww-daemon`, but the maintained successor ships as
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# `awww`. The symlinks keep the shared config working unchanged.
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swww-compat = pkgs.runCommand "swww-compat" { } ''
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mkdir -p "$out/bin"
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ln -s ${pkgs.awww}/bin/awww "$out/bin/swww"
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ln -s ${pkgs.awww}/bin/awww-daemon "$out/bin/swww-daemon"
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'';
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wallpaper = "${moonarchSrc}/defaults/backgrounds/wallpaper.jpg";
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# The FHS path the wallpaper is published under, provided by the tmpfiles
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# link further down. waypaper's config names /usr/share/moonarch/wallpaper.jpg
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# and cannot keep a store path: waypaper reads only the copy in the home
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# directory, which is seeded once and never rewritten, so a store path baked
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# into it survives exactly until the next moonarch bump collects the old
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# source — and then the session comes up black. A path that activation
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# relinks holds across every bump.
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wallpaperPath = "/usr/share/backgrounds/moonarch.jpg";
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waypaperConfig = pkgs.runCommand "waypaper-config.ini" { } ''
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substitute ${xdg}/waypaper/config.ini "$out" \
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--replace-fail /usr/share/moonarch/wallpaper.jpg ${wallpaperPath}
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'';
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# niri prefers ~/.config/niri/config.kdl over /etc/niri/config.kdl and does not
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# merge the two, so a home config would otherwise replace the whole deployed
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# one. This seed pulls the system config back in through `include`, which niri
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# 26.04 really does load (verified by pointing an include at a broken file and
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# watching `niri validate` fail on it).
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#
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# It exists for nwg-displays, which writes the output layout to
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# ~/.config/niri/monitor.kdl and adds an include for it here. Without a
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# config.kdl in the home directory nwg-displays refuses to start at all
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# ("Couldn't find niri config directory", exit 0, no window).
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niriUserConfig = pkgs.writeText "niri-config.kdl" ''
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include "/etc/niri/config.kdl"
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'';
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in
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{
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# --- XDG configs -> /etc/xdg/ ---
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#
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# Deployed verbatim from the moonarch repo; defaults/ stays the single
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# source of truth for both distros.
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#
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# defaults/xdg/walker/ is not deployed: the Quickshell launcher covers it.
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environment.etc = {
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# niri reads /etc/niri, not /etc/xdg/niri. Both are provided: the former
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# is what niri actually loads, the latter keeps the layout consistent with
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# moonarch's tree and with any user config that includes it.
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"niri/config.kdl".source = "${xdg}/niri/config.kdl";
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"xdg/niri/config.kdl".source = "${xdg}/niri/config.kdl";
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"xdg/quickshell/moonarch".source = "${xdg}/quickshell/moonarch";
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"xdg/foot/foot.ini".source = "${xdg}/foot/foot.ini";
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# No xdg/pipewire/ entry: PipeWire does not read /etc/xdg, so the file was
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# deployed and inert. It goes through services.pipewire.configPackages
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# in modules/audio.nix instead.
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# Kept for layout parity with moonarch's tree; waypaper itself only reads
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# the copy in the home directory, seeded below.
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"xdg/waypaper/config.ini".source = waypaperConfig;
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# No stasis entry: /etc/stasis/ is only its fallback for a missing user
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# config, and the seed below means there never is one.
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# No xdg-desktop-portal entry: moonarch's niri-portals.conf would be
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# deployed to /etc/xdg-desktop-portal/, and portals.conf(5) searches that
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# path — the build-time sysconfdir — only after every directory in
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# $XDG_CONFIG_DIRS. /etc/xdg is one of those, and it is where NixOS writes
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# the same file from xdg.portal.config.niri, which programs.niri defines.
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# The deployed copy would rank below it and decide nothing. What it carries
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# is set under Portals below instead.
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};
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# --- Compositor ---
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programs.niri.enable = true;
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# niri searches $XDG_CONFIG_HOME/niri/config.kdl, then /etc/niri/config.kdl —
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# not /etc/xdg. The system path is used directly, so nothing has to be placed
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# in the home directory to bridge there.
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# config.kdl spawns the polkit agent by its FHS path
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# (/usr/lib/polkit-gnome/...). Provide that path rather than diverging the
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# config, which moonarch owns.
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systemd.tmpfiles.rules = [
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"d /usr/lib 0755 root root -"
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"L+ /usr/lib/polkit-gnome - - - - ${pkgs.polkit_gnome}/libexec"
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# The wallpaper under its FHS name, for the reason given at wallpaperPath.
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# 'L+' replaces the link on every activation, so it always names the
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# current moonarch source and the seeded waypaper config never goes stale.
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"d /usr/share 0755 root root -"
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"d /usr/share/backgrounds 0755 root root -"
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"L+ ${wallpaperPath} - - - - ${wallpaper}"
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];
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# --- Portals ---
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#
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# The whole assignment lives here, in the one file NixOS writes. programs.niri
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# defines xdg.portal.config.niri with default=gnome;gtk and Access,
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# FileChooser, Notification and Secret — the same four moonarch's
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# niri-portals.conf carries, which is why that file is not deployed; see the
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# note in environment.etc above. Only what moonarch states beyond them is
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# restated below.
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xdg.portal = {
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enable = true;
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extraPortals = with pkgs; [ xdg-desktop-portal-gnome xdg-desktop-portal-gtk ];
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# Carried over from moonarch's file verbatim, its reasoning included:
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# xdg-desktop-portal-gtk reports the Inhibit interface as success even
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# though nothing implements it under niri, which makes Firefox skip the
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# native Wayland idle-inhibit. With no backend the browser falls back to
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# zwp_idle_inhibit, which niri honors, so windowed video keeps the screen
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# awake. programs.niri leaves this interface unassigned, so stating it here
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# does not collide with the module's definition.
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config.niri."org.freedesktop.impl.portal.Inhibit" = "none";
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};
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# The file dialog every portal client opens — Firefox's save dialog among
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# them. The option defaults to true, which registers nautilus with D-Bus and
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# leaves org.freedesktop.impl.portal.FileChooser unassigned, so the
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# default=gnome;gtk line hands it to xdg-desktop-portal-gnome and the dialog
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# is nautilus' own: GTK4 and libadwaita, which draw their own style and never
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# read gtk-theme-name out of settings.ini. That is why the dialog came up in
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# Adwaita while thunar, a GTK3 program reading /etc/xdg/gtk-3.0/settings.ini,
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# was themed.
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#
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# Off, the module assigns the interface to gtk and drops the nautilus D-Bus
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# registration; xdg-desktop-portal-gtk then builds the dialog with GTK3 from
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# that same settings.ini. It is set through the option rather than through
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# config.niri above because only the option covers the D-Bus half — and
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# setting the key in both places would collide. Screencasting is unaffected:
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# niri serves org.gnome.Mutter.ScreenCast itself and only the gnome backend
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# calls it, which is why that one stays in extraPortals.
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programs.niri.useNautilus = false;
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environment.systemPackages = with pkgs; [
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# XDG plumbing, before anything that calls into it. xdg-terminal-exec
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# resolves a caller to whichever TerminalEmulator entry the XDG data
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# hierarchy offers — footclient here, which reuses the server niri starts
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# — so nothing downstream has to name an emulator.
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xdg-terminal-exec
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# Own programs
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moonarchPkgs.moonarch-scripts
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xwayland-satellite
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# Bar, notifications, clipboard.
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# Neither waybar nor swaync are installed: the Quickshell bar owns both
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# roles. The "kept as a reserve" notes in moonarch's config date from the
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# migration and do not apply to a fresh setup.
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quickshell
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libnotify
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cliphist
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wl-clipboard
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# The launcher's start prefix, and why the launcher needs one: Quickshell
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# spawns applications as its own children, and a child inherits its
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# parent's cgroup, so everything started from the launcher lands inside
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# quickshell.service — which systemd kills whole on every restart of the
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# unit (KillMode=control-group is the default). A crash of the bar took the
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# open browser with it, which counted each one as a crash until it stopped
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# restoring the session at all. app2unit wraps systemd-run to put
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# each application in its own transient app-*.scope, the same shape niri
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# gives the windows it spawns itself.
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app2unit
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# Display and wallpaper
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wlsunset
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brightnessctl
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awww
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swww-compat
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waypaper
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# Terminal
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foot
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# Media
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vlc
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viewnior
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# System
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upower
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polkit_gnome
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nwg-displays
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wl-color-picker
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stasis
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claude-code
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galculator
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];
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# Polkit agent for privilege prompts inside the session.
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security.polkit.enable = true;
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# The setuid pkexec wrapper is opt-in and off by default. Without it pkexec
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# refuses to run at all, which takes the camera and battery toggles with it —
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# both reach their privileged half through pkexec.
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security.polkit.enablePkexecWrapper = true;
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# nixpkgs.config.allowUnfree covers the system build only. `nix profile` and
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# friends evaluate a flake purely, so they see neither that setting nor
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# ~/.config/nixpkgs/config.nix, and refuse every unfree package. The hosts
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# already declare unfree as acceptable; this makes the imperative commands
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# agree instead of demanding NIXPKGS_ALLOW_UNFREE=1 in front of each one.
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# Set by PAM at session start, so it takes a re-login, not just a rebuild.
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environment.sessionVariables.NIXPKGS_ALLOW_UNFREE = "1";
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# Seed configs for programs that read only from the home directory and have
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# no system-wide fallback. 'C' copies once and never overwrites, so user
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# edits survive. This is what moonarch's post-install.sh does imperatively.
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#
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# No Kvantum entry: the theme is a package now, found through XDG_DATA_DIRS.
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# The rule it replaces never worked in a user unit anyway — 'C' recreates the
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# destination with the source's mode, and a store directory is r-xr-xr-x, so
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# copying into it failed silently for anyone but root and left the directory
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# empty (systemd 261, reproduced).
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systemd.user.tmpfiles.rules = [
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"C %h/.config/waypaper/config.ini 0644 - - - ${waypaperConfig}"
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# stasis prefers the user config over /etc and generates its own if none
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# exists, so the moonarch config has to be in place before it starts.
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"C %h/.config/stasis/stasis.rune 0644 - - - ${xdg}/stasis/stasis.rune"
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# No gtklock entry: it reads /etc/xdg, which swaylock could not.
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# nwg-displays needs this file to exist before it will start, and niri would
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# otherwise ignore the monitor.kdl it writes next to it.
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"C %h/.config/niri/config.kdl 0644 - - - ${niriUserConfig}"
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];
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}
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