hosts/vm-base.nix

@@ -5,7 +5,6 @@
     "${modulesPath}/virtualisation/qemu-vm.nix"
     ../nix-os/account.nix
     ../nix-os/core.nix
-    ../nix-os/core-desktop.nix
     ../nix-os/locale.nix
     ../nix-os/polkit/disable-shutdown.nix
     ../nix-os/shell.nix

hosts/vm-cosmic.nix

@@ -1,17 +0,0 @@
-{ inputs, ... }:
-
-{
-  imports = [
-    ./vm-base.nix
-    ../nix-os/desktopManagers/cosmic.nix
-    ../nix-os/displayManagers/cosmic-greeter.nix
-  ];
-
-  config = {
-    nixpkgs.overlays = [(import ../pkgs/overlays/cosmic-packages.nix { inherit inputs; })];
-    nix.settings = {
-      substituters = [ "https://cosmic.cachix.org/" ];
-      trusted-public-keys = [ "cosmic.cachix.org-1:Dya9IyXD4xdBehWjrkPv6rtxpmMdRel02smYzA85dPE=" ];
-    };
-  };
-}

inputs.nix

@@ -15,10 +15,5 @@ let self = {
     url = "https://github.com/NixOS/nixpkgs/archive/${lock.nixpkgs.revision}.tar.gz";
     sha256 = "${lock.nixpkgs.sha256}";
   };
-  cosmic-modules = builtins.fetchTarball {
-    name = "cosmic-modules";
-    url = "https://github.com/lilyinstarlight/nixos-cosmic/archive/${lock.cosmic-modules.revision}.tar.gz";
-    sha256 = "${lock.cosmic-modules.sha256}";
-  };
 };
 in self

lock.nix

@@ -7,8 +7,4 @@
     revision = "883180e6550c1723395a3a342f830bfc5c371f6b";
     sha256 = "01axrf25mahbxmp6vgfgx09dflbyaavr5liynkp6rpm4lkacr27f";
   };
-  cosmic-modules = {
-    revision = "d8b2b9aee034c10ca67848653171f576f87434a8";
-    sha256 = "03i8smxgx2fdb9kkys81dihb5yja3nk9wjs1rx5h7f3b5kii1fd7";
-  };
 }

nix-os/desktopManagers/cosmic.nix

@@ -1,10 +0,0 @@
-{ inputs, lib, pkgs, ... }:
-
-{
-  imports = [
-    "${inputs.cosmic-modules}/nixos/cosmic/module.nix"
-  ];
-  config = {
-    services.desktopManager.cosmic.enable = true;
-  };
-}

nix-os/displayManagers/cosmic-greeter.nix

@@ -1,10 +0,0 @@
-{ inputs, lib, pkgs, ... }:
-
-{
-  imports = [
-    "${inputs.cosmic-modules}/nixos/cosmic-greeter/module.nix"
-  ];
-  config = {
-    services.displayManager.cosmic-greeter.enable = true;
-  };
-}

pkgs/overlays/cosmic-packages.nix

@@ -1,46 +0,0 @@
-{ inputs ? import ../../inputs.nix {}}:
-
-self: super:
-
-let
-  nixos-cosmic = inputs.cosmic-modules;
-  cosmicPkgsMainDir = builtins.readDir "${nixos-cosmic}/pkgs";
-  cosmicPkgsDirs = builtins.filter (v: cosmicPkgsMainDir."${v}" == "directory") (builtins.attrNames cosmicPkgsMainDir);
-
-  # FIXME: use unstable nixpkgs when rust 1.80 will be available in unstable
-  stagingNixpkgsSrc = builtins.fetchTarball {
-    name = "nixpkgs";
-    url = "https://github.com/NixOS/nixpkgs/archive/b79cec4237cd0f655562890bf927466c68b48d68.tar.gz";
-    sha256 = "1mswisq9iwffg2d6rfxvr27mvi4w853d9rn222s2g76445d0iqh8";
-  };
-
-  # Take rustPackages from staging nixpkgs
-  stagingNixpkgs = import stagingNixpkgsSrc {
-    localSystem = self.stdenv.buildPlatform;
-    config = self.config;
-  } // (if self.stdenv.buildPlatform == self.stdenv.hostPlatform then {} else {
-    crossSystem = self.stdenv.hostPlatform;
-  });
-  futureRustPackages = stagingNixpkgs.rustPackages;
-
-  # Create nixpkgs with future rust
-  nixpkgsWithFutureRust = self.extend (futureSelf: futureSuper: {
-    rustPackages = futureRustPackages;
-  });
-
-  # Create cosmicPkgs that contains cosmic packages built from nixpkgs with future rust
-  cosmicOverlay = cosmicSelf: cosmicSuper: builtins.listToAttrs (
-    builtins.map (v: {name = v; value = nixpkgsWithFutureRust.callPackage "${nixos-cosmic}/pkgs/${v}/package.nix" {};}) cosmicPkgsDirs
-  );
-  cosmicNixpkgs = import inputs.nixpkgs {
-    localSystem = self.stdenv.buildPlatform;
-    config = self.config;
-    overlays = [ cosmicOverlay ];
-  } // (if self.stdenv.buildPlatform == self.stdenv.hostPlatform then {} else {
-    crossSystem = self.stdenv.hostPlatform;
-  });
-in
-
-builtins.listToAttrs (
-  builtins.map (v: {name = v; value = cosmicNixpkgs.${v};}) cosmicPkgsDirs
-)