test

2025-09-30 18:29:34 -05:00
parent ec23a7fe14
commit 751b4f9f69
37 changed files with 814 additions and 971 deletions
--- a/modules/nixos/disko/aarch64-linux/default.nix.ori
+++ b/modules/nixos/disko/aarch64-linux/default.nix.ori
@@ -0,0 +1,147 @@
+{
+  config,
+  lib,
+  system,
+  namespace,
+  ...
+}:
+let
+  cfg = config.${namespace}.hardware.disko;
+  isArm = builtins.match "aarch64*" system != null;
+  rootDisk = "/dev/nvme0n1";
+
+  # BTRFS root partition configuration
+  btrfsRoot = {
+    name = "btrfs-root";
+    size = "100%";
+    content = {
+      type = "btrfs";
+      extraArgs = [ "-f" ]; # Override existing partition
+      # Subvolumes must set a mountpoint in order to be mounted,
+      # unless their parent is mounted
+      subvolumes = {
+        "home" = {
+          mountOptions = [ "compress=zstd" ];
+          mountpoint = "/home";
+        };
+        "root" = {
+          mountOptions = [
+            "compress=zstd"
+            "noatime"
+          ];
+          mountpoint = "/root";
+        };
+        "nix" = {
+          mountOptions = [
+            "compress=zstd"
+            "noatime"
+          ];
+          mountpoint = "/nix";
+        };
+        "etc" = {
+          mountOptions = [
+            "compress=zstd"
+            "noatime"
+          ];
+          mountpoint = "/etc";
+        };
+        "log" = {
+          mountOptions = [
+            "compress=zstd"
+            "noatime"
+          ];
+          mountpoint = "/var/log";
+        };
+      };
+    };
+  };
+
+  # BCacheFS root partition configuration
+  bcachefsRoot = {
+    size = "100%";
+    content = {
+      type = "bcachefs";
+      # This refers to a filesystem in the `bcachefs_filesystems` attrset below.
+      filesystem = "mounted_subvolumes_in_multi";
+      label = "ssd.ssd1";
+      extraFormatArgs = [
+        "--discard"
+      ];
+    };
+  };
+in
+{
+  imports = [ ../options.nix ];
+  config = lib.mkIf (isArm && cfg.enable) {
+    disko.devices = {
+      # root disk setup
+      disk.main = {
+        type = "disk";
+        device = rootDisk;
+        imageSize = "15G";
+        content = {
+          type = "gpt";
+          # specify partitions
+          partitions = {
+            # /boot/firmware
+            FIRMWARE = {
+              priority = 1;
+              name = "FIRMWARE";
+              start = "1M";
+              end = "1G";
+              type = "0700";
+              content = {
+                type = "filesystem";
+                format = "vfat";
+                mountpoint = "/boot/firmware";
+                mountOptions = [ "umask=0077" ];
+              };
+            };
+            # /boot
+            ESP = {
+              priority = 2;
+              name = "ESP";
+              # start = "1G";
+              # end = "2G";
+              size = "1G";
+              type = "EF00";
+              content = {
+                type = "filesystem";
+                format = "vfat";
+                mountpoint = "/boot";
+                mountOptions = [ "umask=0077" ];
+              };
+            };
+
+            root = if cfg.filesystem == "btrfs" then btrfsRoot else bcachefsRoot;
+          };
+        };
+      };
+
+      bcachefs_filesystems = lib.mkIf (cfg.filesystem == "bcachefs") {
+        mounted_subvolumes_in_multi = {
+          type = "bcachefs_filesystem";
+          # passwordFile = "/etc/nixos/pool.jwe";
+          extraFormatArgs = [
+            "--compression=zstd"
+          ];
+          subvolumes = {
+            "/root" = {
+              mountpoint = "/";
+            };
+            "/persistent" = {
+              mountpoint = "/persistent";
+            };
+            "/nix" = {
+              mountOptions = [
+                "noatime"
+              ];
+              mountpoint = "/nix";
+            };
+          };
+          mountpoint = "/partition-root";
+        };
+      };
+    };
+  };
+}