diff --git a/nixos/modules/tasks/auto-upgrade.nix b/nixos/modules/tasks/auto-upgrade.nix index e70004e643e..69385e5f2fe 100644 --- a/nixos/modules/tasks/auto-upgrade.nix +++ b/nixos/modules/tasks/auto-upgrade.nix @@ -2,9 +2,9 @@ with lib; -let cfg = config.system.autoUpgrade; in +let cfg = config.system.autoUpgrade; -{ +in { options = { @@ -21,6 +21,16 @@ let cfg = config.system.autoUpgrade; in ''; }; + flake = mkOption { + type = types.nullOr types.str; + default = null; + example = "github:kloenk/nix"; + description = '' + The Flake URI of the NixOS configuration to build. + Disables the option . + ''; + }; + channel = mkOption { type = types.nullOr types.str; default = null; @@ -35,10 +45,20 @@ let cfg = config.system.autoUpgrade; in flags = mkOption { type = types.listOf types.str; - default = []; - example = [ "-I" "stuff=/home/alice/nixos-stuff" "--option" "extra-binary-caches" "http://my-cache.example.org/" ]; + default = [ ]; + example = [ + "-I" + "stuff=/home/alice/nixos-stuff" + "--option" + "extra-binary-caches" + "http://my-cache.example.org/" + ]; description = '' Any additional flags passed to nixos-rebuild. + + If you are using flakes and use a local repo you can add + [ "--update-input" "nixpkgs" "--commit-lock-file" ] + to update nixpkgs. ''; }; @@ -82,11 +102,23 @@ let cfg = config.system.autoUpgrade; in config = lib.mkIf cfg.enable { - system.autoUpgrade.flags = - [ "--no-build-output" ] - ++ (if cfg.channel == null - then [ "--upgrade" ] - else [ "-I" "nixpkgs=${cfg.channel}/nixexprs.tar.xz" ]); + assertions = [{ + assertion = !((cfg.channel != null) && (cfg.flake != null)); + message = '' + The options 'system.autoUpgrade.channels' and 'system.autoUpgrade.flake' cannot both be set. + ''; + }]; + + system.autoUpgrade.flags = [ "--no-build-output" ] + ++ (if cfg.flake == null then + (if cfg.channel == null then + [ "--upgrade" ] + else [ + "-I" + "nixpkgs=${cfg.channel}/nixexprs.tar.xz" + ]) + else + [ "--flake ${cfg.flake}" ]); systemd.services.nixos-upgrade = { description = "NixOS Upgrade"; @@ -96,33 +128,41 @@ let cfg = config.system.autoUpgrade; in serviceConfig.Type = "oneshot"; - environment = config.nix.envVars // - { inherit (config.environment.sessionVariables) NIX_PATH; - HOME = "/root"; - } // config.networking.proxy.envVars; + environment = config.nix.envVars // { + inherit (config.environment.sessionVariables) NIX_PATH; + HOME = "/root"; + } // config.networking.proxy.envVars; - path = with pkgs; [ coreutils gnutar xz.bin gzip gitMinimal config.nix.package.out ]; + path = with pkgs; [ + coreutils + gnutar + xz.bin + gzip + gitMinimal + config.nix.package.out + ]; script = let - nixos-rebuild = "${config.system.build.nixos-rebuild}/bin/nixos-rebuild"; - in - if cfg.allowReboot then '' - ${nixos-rebuild} boot ${toString cfg.flags} - booted="$(readlink /run/booted-system/{initrd,kernel,kernel-modules})" - built="$(readlink /nix/var/nix/profiles/system/{initrd,kernel,kernel-modules})" - if [ "$booted" = "$built" ]; then - ${nixos-rebuild} switch ${toString cfg.flags} - else - /run/current-system/sw/bin/shutdown -r +1 - fi - '' else '' - ${nixos-rebuild} switch ${toString cfg.flags} - ''; + nixos-rebuild = + "${config.system.build.nixos-rebuild}/bin/nixos-rebuild"; + in if cfg.allowReboot then '' + ${nixos-rebuild} boot ${toString cfg.flags} + booted="$(readlink /run/booted-system/{initrd,kernel,kernel-modules})" + built="$(readlink /nix/var/nix/profiles/system/{initrd,kernel,kernel-modules})" + if [ "$booted" = "$built" ]; then + ${nixos-rebuild} switch ${toString cfg.flags} + else + /run/current-system/sw/bin/shutdown -r +1 + fi + '' else '' + ${nixos-rebuild} switch ${toString cfg.flags} + ''; startAt = cfg.dates; }; - systemd.timers.nixos-upgrade.timerConfig.RandomizedDelaySec = cfg.randomizedDelaySec; + systemd.timers.nixos-upgrade.timerConfig.RandomizedDelaySec = + cfg.randomizedDelaySec; };