Attempt at using lix

Without remote builds and with my laptop setup it's not really viable
for now :(

curacao/hardware.nix

@@ -27,7 +27,7 @@
       };
     };
     # Needs prefetched binary blobs, see https://nixos.wiki/wiki/Displaylink
-    services.xserver.videoDrivers = [ "displaylink" "modesetting" ];
+    services.xserver.videoDrivers = [ "nvidia" "displaylink" "modesetting" ];
   };
   imports = [
     nixos-hardware.nixosModules.dell-g3-3779

flake.lock

@@ -203,11 +203,11 @@
         "systems": "systems"
       },
       "locked": {
-        "lastModified": 1701680307,
-        "narHash": "sha256-kAuep2h5ajznlPMD9rnQyffWG8EM/C73lejGofXvdM8=",
+        "lastModified": 1710146030,
+        "narHash": "sha256-SZ5L6eA7HJ/nmkzGG7/ISclqe6oZdOZTNoesiInkXPQ=",
         "owner": "numtide",
         "repo": "flake-utils",
-        "rev": "4022d587cbbfd70fe950c1e2083a02621806a725",
+        "rev": "b1d9ab70662946ef0850d488da1c9019f3a9752a",
         "type": "github"
       },
       "original": {
@@ -220,6 +220,24 @@
       "inputs": {
         "systems": "systems_2"
       },
+      "locked": {
+        "lastModified": 1701680307,
+        "narHash": "sha256-kAuep2h5ajznlPMD9rnQyffWG8EM/C73lejGofXvdM8=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "4022d587cbbfd70fe950c1e2083a02621806a725",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "flake-utils_3": {
+      "inputs": {
+        "systems": "systems_3"
+      },
       "locked": {
         "lastModified": 1685518550,
         "narHash": "sha256-o2d0KcvaXzTrPRIo0kOLV0/QXHhDQ5DTi+OxcjO8xqY=",
@@ -234,6 +252,21 @@
         "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"
+      }
+    },
     "fromYaml": {
       "flake": false,
       "locked": {
@@ -313,6 +346,48 @@
         "type": "github"
       }
     },
+    "lix": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1714955862,
+        "narHash": "sha256-REWlo2RYHfJkxnmZTEJu3Cd/2VM+wjjpPy7Xi4BdDTQ=",
+        "ref": "refs/tags/2.90-beta.1",
+        "rev": "b6799ab0374a8e1907a48915d3187e07da41d88c",
+        "revCount": 15501,
+        "type": "git",
+        "url": "https://git@git.lix.systems/lix-project/lix"
+      },
+      "original": {
+        "ref": "refs/tags/2.90-beta.1",
+        "type": "git",
+        "url": "https://git@git.lix.systems/lix-project/lix"
+      }
+    },
+    "lix-module": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "flakey-profile": "flakey-profile",
+        "lix": [
+          "lix"
+        ],
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1714868057,
+        "narHash": "sha256-Q9vGkxmuarySjPKO6yixjZ0tkaVIQS2wU9FpCpDA7+I=",
+        "ref": "refs/heads/main",
+        "rev": "e31baf57680bab449ab5b40179cc4a08a99f5314",
+        "revCount": 62,
+        "type": "git",
+        "url": "https://git.lix.systems/lix-project/nixos-module"
+      },
+      "original": {
+        "type": "git",
+        "url": "https://git.lix.systems/lix-project/nixos-module"
+      }
+    },
     "nix-formatter-pack": {
       "inputs": {
         "nixpkgs": [
@@ -426,7 +501,7 @@
     },
     "nixvim": {
       "inputs": {
-        "flake-utils": "flake-utils",
+        "flake-utils": "flake-utils_2",
         "nixpkgs": [
           "nixpkgs"
         ],
@@ -513,7 +588,7 @@
     "pre-commit-hooks": {
       "inputs": {
         "flake-compat": "flake-compat",
-        "flake-utils": "flake-utils_2",
+        "flake-utils": "flake-utils_3",
         "gitignore": "gitignore",
         "nixpkgs": [
           "nixvim",
@@ -539,6 +614,8 @@
       "inputs": {
         "disko": "disko",
         "home-manager": "home-manager",
+        "lix": "lix",
+        "lix-module": "lix-module",
         "nix-on-droid": "nix-on-droid",
         "nixos-hardware": "nixos-hardware",
         "nixpkgs": "nixpkgs",
@@ -610,6 +687,21 @@
         "type": "github"
       }
     },
+    "systems_3": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    },
     "unixpkgs": {
       "locked": {
         "lastModified": 1714280680,

flake.nix

@@ -2,6 +2,19 @@
   description = "Geoffrey Frogeye's base configurations";
 
   inputs = {
+    # Package manager
+    lix = {
+      url = "git+https://git@git.lix.systems/lix-project/lix?ref=refs/tags/2.90-beta.1";
+      flake = false;
+    };
+    lix-module = {
+      url = "git+https://git.lix.systems/lix-project/nixos-module";
+      inputs = {
+        lix.follows = "lix";
+        nixpkgs.follows = "nixpkgs";
+      };
+    };
+    # Packages
     nixpkgs.url = "nixpkgs/nixos-23.11";
     unixpkgs.url = "nixpkgs";
     # OS

os/default.nix

@@ -12,6 +12,7 @@
     ./diff
     ./gaming
     ./geoffrey.nix
+    # ./lix
     ./printing
     ./remote-builds
     ./style

os/geoffrey.nix

@@ -18,6 +18,8 @@
     # even though home-manager sets it
     programs.zsh.enable = true;
 
+    nix.settings.trusted-users = [ "geoffrey" ];
+
     home-manager = {
       users.geoffrey = { pkgs, ... }: {
         frogeye = lib.mkDefault config.frogeye;

os/lix/default.nix

@@ -0,0 +1,16 @@
+{ pkgs, lib, config, lix-module, ... }:
+{
+  imports = [
+    lix-module.nixosModules.default
+  ];
+  config = {
+    nix.settings = {
+      substituters = [
+        "https://cache.lix.systems"
+      ];
+      trusted-public-keys = [
+        "cache.lix.systems:aBnZUw8zA7H35Cz2RyKFVs3H4PlGTLawyY5KRbvJR8o="
+      ];
+    };
+  };
+}

os/remote-builds/default.nix

@@ -1,15 +1,48 @@
 { pkgs, lib, config, ... }:
 let
+  vivariumBuilderDefault = {
+    systems = [ "x86_64-linux" ];
+    protocol = "ssh-ng";
+    sshUser = "nixremote";
+    # sshKey doesn't work
+  };
+  vivariumBuilders = [
+    {
+      hostName = "abavorana.frogeye.fr";
+      publicHostKey = "c3NoLWVkMjU1MTkgQUFBQUMzTnphQzFsWkRJMU5URTVBQUFBSUZsaW9WYWZVWEIwdFNzSDRUVHBremphUkNkb0piSmRjVDRGOXFLZithMnEgcm9vdEBhYmF2b3JhbmEK";
+      supportedFeatures = [ "nixos-test" "benchmark" "big-parallel" "kvm" ];
+    }
+    {
+      hostName = "ludwig.clowncar.frogeye.fr";
+      publicHostKey = "c3NoLWVkMjU1MTkgQUFBQUMzTnphQzFsWkRJMU5URTVBQUFBSVBaRHIrQmVqZzRXTVVGR1NGdkd5YituMk0zMG9VR09KVUlzY3Z1b2F4VEQgcm9vdEBsdWR3aWcK";
+    }
+  ];
+  # MANU pass vivarium/lemmy/remote-builds/cache | nix key convert-secret-to-public | cat
   publicKeys = [
     "abavorana.frogeye.fr:rcKZ9gwaIQLcst/vbhbF7meUQD5sveT2QQN4a+Zo1BM="
     "ludwig.clowncar.frogeye.fr:jTlN0fCOLU49M3LQw5j/u++Gmwrsv3m9RGs0slSg6r0="
   ];
-  # MANU pass vivarium/lemmy/remote-builds/cache | nix key convert-secret-to-public | cat
 in
 {
   config = {
-    nix.settings = {
-      trusted-public-keys = publicKeys;
+    system.activationScripts.diff = {
+      supportsDryActivation = true;
+      text = ''
+        mkdir -p /root/.ssh
+        cat ${pkgs.writeText "root-ssh-config" (lib.strings.concatLines (builtins.map (builder: ''
+        Host ${builder.hostName}
+          Port 2278
+        '') vivariumBuilders)) } > /root/.ssh/config
+      '';
+    };
+    nix = {
+      buildMachines = builtins.map (vivariumBuilder: vivariumBuilderDefault // vivariumBuilder) vivariumBuilders;
+      distributedBuilds = true;
+      settings = {
+        builders-use-substitutes = true;
+        trusted-public-keys = publicKeys;
+      };
     };
   };
 }
+# TODO Make it work. I think it just doesn't like non-standard SSH ports.