feat: enable jobserver and cores = 0;

Signed-off-by: Raito Bezarius <masterancpp@gmail.com>

configurations.nix

@@ -8,7 +8,6 @@ let
     nur
     colmena
     flake-registry
-    nixos-hypervisor
     nixos-hardware
     nixpkgs-unstable
     srvos
@@ -45,8 +44,6 @@ let
     srvos.nixosModules.mixins-trusted-nix-caches
     srvos.nixosModules.mixins-terminfo
 
-    nixos-hypervisor.nixosModules.host
-
     # srvos.nixosModules.mixins-telegraf
     # srvos.nixosModules.mixins-terminfo
 
@@ -108,9 +105,6 @@ in
   flake.colmena = {
     meta.nixpkgs = import nixpkgs {
       system = "x86_64-linux";
-      overlays = [
-        nixos-hypervisor.overlays.default
-      ];
     };
     epyc = {
       imports =

flake.lock

@@ -183,27 +183,6 @@
         "type": "github"
       }
     },
-    "flake-parts_2": {
-      "inputs": {
-        "nixpkgs-lib": [
-          "nixos-hypervisor",
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1687762428,
-        "narHash": "sha256-DIf7mi45PKo+s8dOYF+UlXHzE0Wl/+k3tXUyAoAnoGE=",
-        "owner": "hercules-ci",
-        "repo": "flake-parts",
-        "rev": "37dd7bb15791c86d55c5121740a1887ab55ee836",
-        "type": "github"
-      },
-      "original": {
-        "owner": "hercules-ci",
-        "repo": "flake-parts",
-        "type": "github"
-      }
-    },
     "flake-registry": {
       "flake": false,
       "locked": {
@@ -307,29 +286,6 @@
         "type": "github"
       }
     },
-    "nixos-hypervisor": {
-      "inputs": {
-        "flake-parts": "flake-parts_2",
-        "nixpkgs": [
-          "nixpkgs"
-        ],
-        "treefmt-nix": "treefmt-nix"
-      },
-      "locked": {
-        "lastModified": 1688428885,
-        "narHash": "sha256-fVIbXKvHmxSUAKTMiXx799UasQwU2XT+op7bzvtfl8c=",
-        "ref": "main",
-        "rev": "9f32a304708fd9c91c081db05eee1b4f2e0226cc",
-        "revCount": 2,
-        "type": "git",
-        "url": "ssh://gitea@git.newtype.fr/newtype/nixos-hypervisor"
-      },
-      "original": {
-        "ref": "main",
-        "type": "git",
-        "url": "ssh://gitea@git.newtype.fr/newtype/nixos-hypervisor"
-      }
-    },
     "nixpkgs": {
       "locked": {
         "lastModified": 1702539185,
@@ -380,16 +336,16 @@
     },
     "nixpkgs_2": {
       "locked": {
-        "lastModified": 1709428628,
-        "narHash": "sha256-//ZCCnpVai/ShtO2vPjh3AWgo8riXCaret6V9s7Hew4=",
-        "owner": "NixOS",
+        "lastModified": 1716155578,
+        "narHash": "sha256-+ocwkKmur5q8MJpm8ao0O2wdbMYBxPtFDrCvjqnkZYA=",
+        "owner": "pennae",
         "repo": "nixpkgs",
-        "rev": "66d65cb00b82ffa04ee03347595aa20e41fe3555",
+        "rev": "093d16ae7a4c6b5f215152972a223b9fbcd3343a",
         "type": "github"
       },
       "original": {
-        "owner": "NixOS",
-        "ref": "release-23.11",
+        "owner": "pennae",
+        "ref": "stdenv-jobserver",
         "repo": "nixpkgs",
         "type": "github"
       }
@@ -419,7 +375,6 @@
         "flake-registry": "flake-registry",
         "home-manager": "home-manager_2",
         "nixos-hardware": "nixos-hardware",
-        "nixos-hypervisor": "nixos-hypervisor",
         "nixpkgs": "nixpkgs_2",
         "nixpkgs-unstable": "nixpkgs-unstable",
         "nur": "nur",
@@ -476,27 +431,6 @@
         "repo": "default",
         "type": "github"
       }
-    },
-    "treefmt-nix": {
-      "inputs": {
-        "nixpkgs": [
-          "nixos-hypervisor",
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1688026376,
-        "narHash": "sha256-qJmkr9BWDpqblk4E9/rCsAEl39y2n4Ycw6KRopvpUcY=",
-        "owner": "numtide",
-        "repo": "treefmt-nix",
-        "rev": "df3f32b0cc253dfc7009b7317e8f0e7ccd70b1cf",
-        "type": "github"
-      },
-      "original": {
-        "owner": "numtide",
-        "repo": "treefmt-nix",
-        "type": "github"
-      }
     }
   },
   "root": "root",

flake.nix

@@ -10,7 +10,7 @@
     flake-parts.url = "github:hercules-ci/flake-parts";
     flake-parts.inputs.nixpkgs-lib.follows = "nixpkgs";
 
-    nixpkgs.url = "github:NixOS/nixpkgs/release-23.11";
+    nixpkgs.url = "github:pennae/nixpkgs/stdenv-jobserver";
     nixpkgs-unstable.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
 
     nixos-hardware.url = "github:NixOS/nixos-hardware";
@@ -33,8 +33,8 @@
 
     # Ryan's experimental hypervisor based on cloud-hypervisor
     # Private repository, you need a valid SSH key to access it
-    nixos-hypervisor.url = "git+ssh://gitea@git.newtype.fr/newtype/nixos-hypervisor?ref=main";
-    nixos-hypervisor.inputs.nixpkgs.follows = "nixpkgs";
+    # nixos-hypervisor.url = "git+ssh://gitea@git.newtype.fr/newtype/nixos-hypervisor?ref=main";
+    # nixos-hypervisor.inputs.nixpkgs.follows = "nixpkgs";
 
     flake-registry.url = "github:NixOS/flake-registry";
     flake-registry.flake = false;

hosts/epyc.nix

@@ -36,14 +36,6 @@ in
   '';
   networking.firewall.allowedTCPPorts = [ 5432 ];
 
-  virtualisation.nvisor.vms = {
-    vm01 = {
-      config = { pkgs, ... }: {
-        environment.systemPackages = [ pkgs.hello ];
-      };
-    };
-  };
-
   nix.buildMachines = [
     { hostName = "localhost";
       systems = [

modules/hypervisor.nix

@@ -1,5 +1,2 @@
 { ... }: {
-  virtualisation.nvisor = {
-    enable = true;
-  };
 }

modules/nix-daemon.nix

@@ -30,6 +30,9 @@ in
       { domain = "*"; item = "nofile"; type = "-"; value = "20480"; }
     ];
 
+    # Makes the computer go faster.
+    nixos.jobserver.enable = true;
+
     # Memory accounting techniques
     systemd.services.nix-daemon.serviceConfig = {
       MemoryAccounting = true;
@@ -63,7 +66,7 @@ in
         use-cgroups = true;
         http-connections = 0;
         auto-allocate-uids = true;
-        cores = 64; # 128 is too much, it will explode the RAM for now. Let's keep it serious.
+        cores = 0;
         max-jobs = 2; # Do not build more than 2 derivations at once in the event, both of them are too big, yes this is stupid, fix it in Nix.
         fsync-metadata = true;
         substituters = [