Add auto update feature
You can now keep your system up to date automatically by setting: system.autoUpgrade.enable = true; Fixes #7369.
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81
nixos/modules/installer/tools/auto-upgrade.nix
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81
nixos/modules/installer/tools/auto-upgrade.nix
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{ config, lib, pkgs, ... }:
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with lib;
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let cfg = config.system.autoUpgrade; in
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{
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options = {
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system.autoUpgrade = {
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enable = mkOption {
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type = types.bool;
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default = false;
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description = ''
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Whether to periodically upgrade NixOS to the latest
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version. If enabled, a systemd timer will run
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<literal>nixos-rebuild switch --upgrade</literal> once a
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day.
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'';
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};
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channel = mkOption {
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type = types.nullOr types.str;
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default = null;
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example = https://nixos.org/channels/nixos-14.12-small;
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description = ''
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The URI of the NixOS channel to use for automatic
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upgrades. By default, this is the channel set using
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<command>nix-channel</command> (run <literal>nix-channel
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--list</literal> to see the current value).
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'';
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};
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flags = mkOption {
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type = types.listOf types.str;
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default = [];
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example = [ "-I" "stuff=/home/alice/nixos-stuff" "--option" "extra-binary-caches" "http://my-cache.example.org/" ];
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description = ''
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Any additional flags passed to <command>nixos-rebuild</command>.
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'';
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};
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};
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};
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config = {
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system.autoUpgrade.flags =
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[ "--no-build-output" ]
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++ (if cfg.channel == null
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then [ "--upgrade" ]
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else [ "-I" "nixpkgs=${cfg.channel}/nixexprs.tar.xz" ]);
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systemd.services.nixos-upgrade = {
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description = "NixOS Upgrade";
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restartIfChanged = false;
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unitConfig.X-StopOnRemoval = false;
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serviceConfig.Type = "oneshot";
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environment = config.nix.envVars //
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{ inherit (config.environment.sessionVariables) NIX_PATH SSL_CERT_FILE;
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HOME = "/root";
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};
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path = [ pkgs.gnutar pkgs.xz config.nix.package ];
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script = ''
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${config.system.build.nixos-rebuild}/bin/nixos-rebuild test ${toString cfg.flags}
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'';
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startAt = mkIf cfg.enable "04:40";
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};
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};
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}
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@ -57,7 +57,9 @@ let
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in
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{
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config = {
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environment.systemPackages =
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[ nixos-build-vms
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nixos-install
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@ -70,5 +72,7 @@ in
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system.build = {
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inherit nixos-install nixos-generate-config nixos-option nixos-rebuild;
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};
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};
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}
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@ -41,6 +41,7 @@
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./hardware/video/bumblebee.nix
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./hardware/video/nvidia.nix
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./hardware/video/ati.nix
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./installer/tools/auto-upgrade.nix
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./installer/tools/nixos-checkout.nix
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./installer/tools/tools.nix
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./misc/assertions.nix
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