bcachefs iso

flake.lock

@@ -316,6 +316,21 @@
         "url": "https://flakehub.com/f/NixOS/nix/%3D2.24.9"
       }
     },
+    "nixos": {
+      "locked": {
+        "lastModified": 1728740863,
+        "narHash": "sha256-u+rxA79a0lyhG+u+oPBRtTDtzz8kvkc9a6SWSt9ekVc=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "a3f9ad65a0bf298ed5847629a57808b97e6e8077",
+        "type": "github"
+      },
+      "original": {
+        "id": "nixpkgs",
+        "ref": "nixos-24.05",
+        "type": "indirect"
+      }
+    },
     "nixos-cosmic": {
       "inputs": {
         "flake-compat": "flake-compat_2",
@@ -519,6 +534,7 @@
         "determinate": "determinate",
         "disko": "disko",
         "home-manager": "home-manager_2",
+        "nixos": "nixos",
         "nixos-cosmic": "nixos-cosmic",
         "nixos-facter-modules": "nixos-facter-modules",
         "nixos-hardware": "nixos-hardware",

flake.nix

@@ -36,6 +36,7 @@
       inputs.nixpkgs.follows = "nixpkgs";
     };
     determinate.url = "https://flakehub.com/f/DeterminateSystems/determinate/0.1";
+    nixos.url = "nixpkgs/nixos-24.05";
   };
 
   nixConfig = {
@@ -62,6 +63,7 @@
     nixos-cosmic,
     zen-browser,
     determinate,
+    nixos,
     ...
   } @ inputs: {
     nixosConfigurations = {
@@ -141,6 +143,20 @@
           ./extras/minecraft-server.nix
         ];
       };
+      bcachefs-iso = nixos.lib.nixosSystem {
+        system = "x86_64-linux";
+        modules = [
+          "${nixos}/nixos/modules/installer/cd-dvd/installation-cd-minimal-new-kernel-no-zfs.nix"
+          ({
+            lib,
+            pkgs,
+            ...
+          }: {
+            boot.supportedFilesystems = ["bcachefs"];
+            boot.kernelPackages = lib.mkOverride 0 pkgs.linuxPackages_latest;
+          })
+        ];
+      };
     };
   };
 }

systems/disk-config.nix

@@ -1,7 +1,7 @@
 {lib, ...}: {
   disko.devices = {
     disk.disk1 = {
-      device = lib.mkDefault "/dev/disk/by-diskseq/1";
+      device = lib.mkDefault "/dev/nvme0n1";
       type = "disk";
       content = {
         type = "gpt";
@@ -30,13 +30,13 @@
             content = {
               type = "filesystem";
               format = "bcachefs";
-              mountOptions = ["noatime"];
+              mountOptions = [
-              mountpoint = "/";
+                "noatime"
-              extraArgs = [
+                "compression=zstd"
-                "--compression zstd"
+                "background_compression=zstd"
-                "--background_compression zstd"
+                "discard"
-                "--discard"
               ];
+              mountpoint = "/";
               # subvolumes = {
               #   "/home" = {};
               #   "/nix" = {};