chore: move disko to each host directory

Author: redyf

flake.nix

@@ -8,7 +8,14 @@
       url = "github:nix-community/home-manager/master";
       inputs.nixpkgs.follows = "nixpkgs";
     };
-    hyprland.url = "github:hyprwm/Hyprland";
+    hyprland = {
+      url = "github:hyprwm/Hyprland";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+    hyprland-plugins = {
+      url = "github:hyprwm/hyprland-plugins";
+      inputs.hyprland.follows = "hyprland";
+    };
     disko.url = "github:nix-community/disko";
     stylix.url = "github:danth/stylix";
     font-flake.url = "github:redyf/font-flake";
@@ -42,7 +49,8 @@
       ...
     }@inputs:
     let
-      inherit (nixpkgs.lib) nixosSystem;
+      lib = nixpkgs.lib;
+      inherit (lib) nixosSystem;
       supportedSystems = [
         "x86_64-linux"
         "x86_64-darwin"
@@ -87,6 +95,10 @@
             ./hosts/${hostname}/configuration.nix
             { networking.hostName = hostname; }
           ]
+          ++ lib.optionals (builtins.pathExists ./hosts/${hostname}/disko.nix) [
+            disko.nixosModules.disko
+            ./hosts/${hostname}/disko.nix
+          ]
           ++ modules;
         };
 
@@ -130,7 +142,6 @@
           username = "redyf";
           hostname = "desktop";
           modules = [
-            disko.nixosModules.disko
             hyprland.nixosModules.default
             stylix.nixosModules.stylix
           ];
@@ -140,7 +151,6 @@
           username = "selene";
           hostname = "selene";
           modules = [
-            disko.nixosModules.disko
             hyprland.nixosModules.default
             stylix.nixosModules.stylix
           ];

disks/default.nix hosts/desktop/disko.nixdisks/default.nix renamed to hosts/desktop/disko.nix

@@ -0,0 +1,55 @@
+# If you'd saved this configuration in ./disks/default.nix, and wanted to create a disk named /dev/nvme0n1, you would run the following command to partition, format and mount the disk.
+# sudo nix --experimental-features "nix-command flakes" run github:nix-community/disko -- --mode disko ./disks/default.nix --arg device '"/dev/nvme0n1"'
+{
+  lib,
+  device ? throw "Set this to your disk device, e.g. /dev/sda",
+  ...
+}:
+{
+  disko = {
+    # Do not let Disko manage fileSystems.* config for NixOS.
+    # Reason is that Disko mounts partitions by GPT partition names, which are
+    # easily overwritten with tools like fdisk. When you fail to deploy a new
+    # config in this case, the old config that comes with the disk image will
+    # not boot either.
+    enableConfig = true;
+    devices = {
+      disk.main = {
+        type = "disk";
+        device = "/dev/nvme0n1";
+        content = {
+          type = "gpt";
+          partitions = {
+            # Compared to MBR, GPT partition table doesn't reserve space for MBR
+            # boot record. We need to reserve the first 1MB for MBR boot record,
+            # so Grub can be installed here.
+            boot = {
+              name = "boot";
+              size = "1M";
+              type = "EF02";
+            };
+            esp = {
+              name = "ESP";
+              size = "1024M";
+              type = "EF00";
+              content = {
+                type = "filesystem";
+                format = "vfat";
+                mountpoint = "/boot";
+              };
+            };
+            root = {
+              name = "root";
+              size = "100%";
+              content = {
+                type = "filesystem";
+                format = "ext4";
+                mountpoint = "/";
+              };
+            };
+          };
+        };
+      };
+    };
+  };
+}