Cosmic: init

this desktop environment is still in alpha (or pre alpha)

nix-os-configs/vm-cosmic.nix

@@ -0,0 +1,17 @@
+{ ... }:
+
+{
+  imports = [
+    ../nix-os/core.nix
+    ../nix-os/docker.nix
+    ../nix-os/desktop/cosmic.nix
+    #../nix-os/desktop/kde-plasma.nix
+    ../nix-os/shell.nix
+    ../nix-os/virtualization.nix
+    ../nix-os/polkit/disable-shutdown.nix
+    ../nix-os/locale.nix
+    ../nix-os/adb.nix
+    ../nix-os/account.nix
+    ../nix-os/xdg-default-apps.nix
+  ];
+}

nix-os/desktop/cosmic.nix

@@ -0,0 +1,51 @@
+{pkgs, lib, ... }:
+
+let
+  nixos-cosmic = builtins.fetchGit {
+    url = "https://github.com/lilyinstarlight/nixos-cosmic.git";
+    # rev = "c1f1dc29d6c187fd563776837ab53faafa111721";
+  };
+  cosmicModule = import "${nixos-cosmic}" {system = "x86_64-linux";};
+  cosmicPkgsMainDir = builtins.readDir "${nixos-cosmic}/pkgs";
+  cosmicPkgsDirs = builtins.filter (v: cosmicPkgsMainDir."${v}" == "directory") (builtins.attrNames cosmicPkgsMainDir);
+  cosmicPkgsOverlay = final: prev: builtins.listToAttrs (
+    builtins.map (v: {name = v; value = final.callPackage "${nixos-cosmic}/pkgs/${v}/package.nix" {};}) cosmicPkgsDirs
+  );
+in
+{
+  imports = [
+    cosmicModule
+    "${nixos-cosmic}/nixos/cosmic-greeter/module.nix"
+    "${nixos-cosmic}/nixos/cosmic/module.nix"
+  ];
+  config = {
+    services.xserver.desktopManager.cosmic.enable = true;
+    services.xserver.displayManager.cosmic-greeter.enable = true;
+    nixpkgs.overlays = [ cosmicPkgsOverlay ];
+  };
+  options = {
+    cosmic-applets = lib.mkOption {default = pkgs.cosmic-applets;};
+    cosmic-applibrary = lib.mkOption {default = pkgs.cosmic-applibrary;};
+    cosmic-bg = lib.mkOption {default = pkgs.cosmic-bg;};
+    cosmic-comp = lib.mkOption {default = pkgs.cosmic-comp;};
+    cosmic-design-demo = lib.mkOption {default = pkgs.cosmic-design;};
+    cosmic-edit = lib.mkOption {default = pkgs.cosmic-edit;};
+    cosmic-files = lib.mkOption {default = pkgs.cosmic-files;};
+    cosmic-greeter = lib.mkOption {default = pkgs.cosmic-greeter;};
+    cosmic-icons = lib.mkOption {default = pkgs.cosmic-icons;};
+    cosmic-launcher = lib.mkOption {default = pkgs.cosmic-launcher;};
+    cosmic-notifications = lib.mkOption {default = pkgs.cosmic-notifications;};
+    cosmic-osd = lib.mkOption {default = pkgs.cosmic-osd;};
+    cosmic-panel = lib.mkOption {default = pkgs.cosmic-panel;};
+    cosmic-protocols = lib.mkOption {default = pkgs.cosmic-protocols;};
+    cosmic-randr = lib.mkOption {default = pkgs.cosmic-randr;};
+    cosmic-screenshot = lib.mkOption {default = pkgs.cosmic-screenshot;};
+    cosmic-session = lib.mkOption {default = pkgs.cosmic-session;};
+    cosmic-settings = lib.mkOption {default = pkgs.cosmic-settings;};
+    cosmic-settings-daemon = lib.mkOption {default = pkgs.cosmic-settings;};
+    cosmic-term = lib.mkOption {default = pkgs.cosmic-term;};
+    cosmic-workspaces-epoch = lib.mkOption {default = pkgs.cosmic-workspaces;};
+    wrapCosmicAppsHook = lib.mkOption {default = pkgs.wrapCosmicAppsHook;};
+    xdg-desktop-portal-cosmic = lib.mkOption {default = pkgs.xdg-desktop-portal-cosmic;};
+  };
+}

nix-os/shell.nix

@@ -42,7 +42,7 @@ in
     scrollback_lines 10000
     window_border_width 0.5
     window_padding_width 3
-    ${if config.services.xserver.desktopManager.gnome.enable then "hide_window_decorations yes" else null}
+    ${if config.services.xserver.desktopManager.gnome.enable then "hide_window_decorations yes" else ""}
     background_opacity 0.8
     dynamic_background_opacity yes
   '';

vm-cosmic.sh

@@ -0,0 +1 @@
+nix-build '<nixos-unstable/nixos>' -A vm -I nixpkgs=channel:nixos-unstable -I nixos-config=./nix-os-configs/vm-cosmic.nix $@ && $(ls ./result/bin/run-*) -m 4096 && rm *.qcow2