switch to lix module and enable gc / autoupgrade

flake/flake.lock

@@ -1,5 +1,73 @@
 {
   "nodes": {
+    "flake-utils": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1726560853,
+        "narHash": "sha256-X6rJYSESBVr3hBoH0WbKE5KvhPU5bloyZ2L4K60/fPQ=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "c1dfcf08411b08f6b8615f7d8971a2bfa81d5e8a",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "flakey-profile": {
+      "locked": {
+        "lastModified": 1712898590,
+        "narHash": "sha256-FhGIEU93VHAChKEXx905TSiPZKga69bWl1VB37FK//I=",
+        "owner": "lf-",
+        "repo": "flakey-profile",
+        "rev": "243c903fd8eadc0f63d205665a92d4df91d42d9d",
+        "type": "github"
+      },
+      "original": {
+        "owner": "lf-",
+        "repo": "flakey-profile",
+        "type": "github"
+      }
+    },
+    "lix": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "flakey-profile": "flakey-profile",
+        "lix": "lix_2",
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1729360442,
+        "narHash": "sha256-6U0CyPycIBc04hbYy2hBINnVso58n/ZyywY2BD3hu+s=",
+        "rev": "9098ac95768f7006d7e070b88bae76939f6034e6",
+        "type": "tarball",
+        "url": "https://git.lix.systems/api/v1/repos/lix-project/nixos-module/archive/9098ac95768f7006d7e070b88bae76939f6034e6.tar.gz?rev=9098ac95768f7006d7e070b88bae76939f6034e6"
+      },
+      "original": {
+        "type": "tarball",
+        "url": "https://git.lix.systems/lix-project/nixos-module/archive/2.91.1-1.tar.gz"
+      }
+    },
+    "lix_2": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1729298361,
+        "narHash": "sha256-hiGtfzxFkDc9TSYsb96Whg0vnqBVV7CUxyscZNhed0U=",
+        "rev": "ad9d06f7838a25beec425ff406fe68721fef73be",
+        "type": "tarball",
+        "url": "https://git.lix.systems/api/v1/repos/lix-project/lix/archive/ad9d06f7838a25beec425ff406fe68721fef73be.tar.gz?rev=ad9d06f7838a25beec425ff406fe68721fef73be"
+      },
+      "original": {
+        "type": "tarball",
+        "url": "https://git.lix.systems/lix-project/lix/archive/2.91.1.tar.gz"
+      }
+    },
     "nixpkgs": {
       "locked": {
         "lastModified": 1731797254,
@@ -34,9 +102,25 @@
     },
     "root": {
       "inputs": {
+        "lix": "lix",
         "nixpkgs": "nixpkgs",
         "nixpkgs-unstable": "nixpkgs-unstable"
       }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
     }
   },
   "root": "root",

flake/flake.nix

@@ -3,21 +3,27 @@
   inputs = {
     nixpkgs.url = "github:NixOS/nixpkgs/nixos-24.05";
     nixpkgs-unstable.url = "github:NixOS/nixpkgs/nixos-unstable";
+    lix = {
+      url = "https://git.lix.systems/lix-project/nixos-module/archive/2.91.1-1.tar.gz";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
   };
 
-  outputs = { self, nixpkgs, nixpkgs-unstable, ... }@inputs: {
+  outputs = { self, nixpkgs, nixpkgs-unstable, lix, ... }@inputs: {
     nixosConfigurations = {
       plinth = nixpkgs.lib.nixosSystem {
         system = "x86_64-linux";
         specialArgs = {
           unstable-pkgs = nixpkgs-unstable.legacyPackages."x86_64-linux";
+          inherit inputs;
         };
 
         modules = [
-          # lix.nixosModules.default
+          lix.nixosModules.default
           ({...}: { system.stateVersion = "23.11"; })
           ./system/hardware-configuration.nix
           ./system/base.nix
+          ./system/auto.nix
           ./system/software.nix
           ./system/nginx.nix
           ./system/borg.nix

flake/system/auto.nix

@@ -0,0 +1,17 @@
+{ inputs, ... }: {
+  system.autoUpgrade = {
+    enable = true;
+    flake = inputs.self.outPath;
+    flags = [
+      "--update-input"
+      "nixpkgs"
+      "--print-build-logs"
+    ];
+    randomizedDelaySec = "45min";
+  };
+
+  nix.gc = {
+    automatic = true;
+    options = "--delete-older-than 14d";
+  };
+}

flake/system/base.nix

@@ -4,7 +4,6 @@
       "nix-command"
       "flakes"
     ];
-    package = pkgs.lix;
   };
 
   boot.tmp.cleanOnBoot = true;