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flake.nix
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flake.nix
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{
inputs = {
nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
nixpkgs-stable.url = "github:NixOS/nixpkgs/nixos-24.05";
rust-overlay = {
url = "github:oxalica/rust-overlay";
inputs.nixpkgs.follows = "nixpkgs";
};
flake-compat = {
url = "github:nix-community/flake-compat";
flake = false;
};
};
outputs = { self, nixpkgs, nixpkgs-stable, rust-overlay, ... }: let
forAllSystems = nixpkgs.lib.genAttrs [ "x86_64-linux" "aarch64-linux" "x86_64-darwin" "aarch64-darwin" ];
rustPlatformFor = pkgs: let
rust-bin = rust-overlay.lib.mkRustBin {} pkgs;
in pkgs.makeRustPlatform {
cargo = rust-bin.stable.latest.default;
rustc = rust-bin.stable.latest.default;
};
in {
lib = {
packagesFor = pkgs: import ./pkgs {
inherit pkgs;
rustPlatform = rustPlatformFor pkgs;
};
};
packages = forAllSystems (system: self.lib.packagesFor nixpkgs.legacyPackages.${system});
overlays = {
default = final: prev: import ./pkgs {
inherit final prev;
rustPlatform = rustPlatformFor prev;
};
};
nixosModules = {
default = import ./nixos { cosmicOverlay = self.overlays.default; };
};
legacyPackages = forAllSystems (system: let
lib = nixpkgs.lib;
pkgs = nixpkgs.legacyPackages.${system};
in {
update = pkgs.writeShellApplication {
name = "cosmic-unstable-update";
text = lib.concatStringsSep "\n" (lib.mapAttrsToList (attr: drv:
if drv ? updateScript && (lib.isList drv.updateScript) && (lib.length drv.updateScript) > 0
then lib.escapeShellArgs (if (lib.match "nix-update|.*/nix-update" (lib.head drv.updateScript) != null) then [ (lib.getExe pkgs.nix-update) ] ++ (lib.tail drv.updateScript) ++ [ "--version" "branch=HEAD" "--commit" attr ] else drv.updateScript)
else builtins.toString drv.updateScript or "") (self.lib.packagesFor pkgs));
};
vm = nixpkgs.lib.makeOverridable ({ nixpkgs }: let
nixosConfig = nixpkgs.lib.nixosSystem {
modules = [
({ lib, pkgs, modulesPath, ... }: {
imports = [
self.nixosModules.default
"${builtins.toString modulesPath}/virtualisation/qemu-vm.nix"
];
services.desktopManager.cosmic.enable = true;
services.displayManager.cosmic-greeter.enable = true;
services.flatpak.enable = true;
environment.systemPackages = with pkgs; [
chronos
cosmic-ext-applet-clipboard-manager
cosmic-ext-applet-emoji-selector
cosmic-ext-calculator
cosmic-ext-examine
cosmic-ext-forecast
cosmic-ext-tasks
cosmic-ext-tweaks
cosmic-player
cosmic-reader
drm_info
firefox
quick-webapps
stellarshot
];
boot.kernelParams = [ "quiet" "udev.log_level=3" ];
boot.initrd.kernelModules = [ "bochs" ];
boot.initrd.verbose = false;
boot.initrd.systemd.enable = true;
boot.loader.systemd-boot.enable = true;
boot.loader.timeout = 0;
boot.plymouth.enable = true;
boot.plymouth.theme = "nixos-bgrt";
boot.plymouth.themePackages = [ pkgs.nixos-bgrt-plymouth ];
services.openssh = {
enable = true;
settings.PermitRootLogin = "yes";
};
documentation.nixos.enable = false;
users.mutableUsers = false;
users.users.root.password = "meow";
users.users.user = {
isNormalUser = true;
password = "meow";
};
virtualisation.useBootLoader = true;
virtualisation.useEFIBoot = true;
virtualisation.mountHostNixStore = true;
virtualisation.memorySize = 4096;
# TODO: below option can be removed once NixOS/nixpkgs#279009 is merged
virtualisation.qemu.options = [ "-vga none" "-device virtio-gpu-gl-pci" "-display default,gl=on" ];
virtualisation.forwardPorts = [
{ from = "host"; host.port = 2222; guest.port = 22; }
];
nixpkgs.config.allowAliases = false;
nixpkgs.hostPlatform = system;
system.stateVersion = lib.trivial.release;
})
];
};
in nixosConfig.config.system.build.vm // { closure = nixosConfig.config.system.build.toplevel; inherit (nixosConfig) config pkgs; }) { inherit nixpkgs; };
vm-stable = self.legacyPackages.${system}.vm.override { nixpkgs = nixpkgs-stable; };
});
checks = forAllSystems (system: {
vm = self.legacyPackages.${system}.vm.closure;
vm-stable = self.legacyPackages.${system}.vm-stable.closure;
});
};
}