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theme-shot guests had no ~/.nomarchy, so the session's exec-once `nomarchy-theme-sync wallpaper` died on missing state and captures showed a bare base-color backdrop. Seed theme-state.json via tmpfiles before greetd starts the session — the real exec-once path now paints. (A post-boot testScript seed is too late for exec-once, and a manual re-run fails without WAYLAND_DISPLAY: awww's client socket is display-named.) V2: summer-night capture renders wallpaper + inverted cream bar + menu + placeholder dim, all coherent. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
75 lines
3.4 KiB
Nix
75 lines
3.4 KiB
Nix
# Themed-desktop capture harness (item 28 slice c) — boots the full
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# desktop headlessly (software-GL Hyprland) at 1920x1080 and QMP-dumps
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# two screenshots into $out: desktop.png and menu.png (rofi root open).
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# Maintainer tool, NOT a checks.* gate (a full-desktop VM is far too
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# heavy for CI). Impure: THEME env picks the theme slug.
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# THEME=<slug> nix build --impure -f tools/theme-shot.nix --no-link --print-out-paths
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# The guest gets a minimal ~/.nomarchy (just the theme JSON as
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# theme-state.json), seeded via tmpfiles BEFORE greetd starts the
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# session, so the session's own exec-once wallpaper paint works —
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# assets come from the themesDir baked into the tool. Bar, menus AND
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# wallpaper render.
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let
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flake = builtins.getFlake ("git+file://" + toString ../.);
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inherit (flake.inputs) nixpkgs home-manager;
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pkgs = import nixpkgs {
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system = "x86_64-linux";
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overlays = [ flake.overlays.default ];
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config.allowUnfree = true;
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};
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slug = let s = builtins.getEnv "THEME"; in if s == "" then "tokyo-night" else s;
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in
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pkgs.testers.runNixOSTest {
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name = "theme-shot-${slug}";
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node.pkgsReadOnly = false; # nomarchy sets nixpkgs.config
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node.specialArgs = { username = "nomarchy"; };
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nodes.machine = { pkgs, lib, ... }: {
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imports = [ flake.nixosModules.nomarchy home-manager.nixosModules.home-manager ];
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virtualisation.memorySize = 4096;
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virtualisation.cores = 4;
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# Software GL for Hyprland (GLES/aquamarine) without a host GPU.
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hardware.graphics.enable = true;
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environment.variables.LIBGL_ALWAYS_SOFTWARE = "1";
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boot.initrd.availableKernelModules = [ "virtio_gpu" ];
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virtualisation.qemu.options = [ "-vga none" "-device virtio-gpu-pci,xres=1920,yres=1080" ];
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users.users.nomarchy = {
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isNormalUser = true;
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password = "test";
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extraGroups = [ "wheel" "video" ];
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};
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nomarchy.system.stateFile = flake + "/themes/${slug}.json";
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# Seed the runtime state (theme-sync reads $NOMARCHY_PATH, default
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# ~/.nomarchy) before greetd auto-starts the session, so the
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# exec-once `nomarchy-theme-sync wallpaper` finds it and paints.
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# NixOS activation creates /home/nomarchy before systemd runs.
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systemd.tmpfiles.rules = [
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"d /home/nomarchy/.nomarchy 0755 nomarchy users -"
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"C /home/nomarchy/.nomarchy/theme-state.json 0644 nomarchy users - ${flake + "/themes/${slug}.json"}"
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];
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services.greetd.settings.initial_session = {
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command = "start-hyprland";
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user = "nomarchy";
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};
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home-manager.useGlobalPkgs = true; # HM must see the overlay'd node pkgs
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home-manager.users.nomarchy = {
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imports = [ flake.homeModules.nomarchy ];
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nomarchy.stateFile = flake + "/themes/${slug}.json";
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nomarchy.idle.enable = false; # no lock/dpms during the shot
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};
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};
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testScript = ''
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machine.wait_for_unit("multi-user.target")
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machine.wait_for_file("/run/user/1000/hypr", 180)
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# The session exec-once paints the wallpaper (softGL first paint at
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# 1920x1080 is slow) — give it a generous settle.
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machine.sleep(30)
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machine.screenshot("desktop")
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# Open the root menu for the polish review.
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hy = "su - nomarchy -c 'XDG_RUNTIME_DIR=/run/user/1000 HYPRLAND_INSTANCE_SIGNATURE=$(ls /run/user/1000/hypr | head -1) hyprctl dispatch exec"
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machine.execute(hy + " nomarchy-menu' >/dev/null 2>&1")
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machine.sleep(8)
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machine.screenshot("menu")
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'';
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}
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