121 lines
2.9 KiB
Nix
121 lines
2.9 KiB
Nix
{
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lib,
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system,
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...
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}:
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let
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isArm = builtins.match "aarch64*" system != null;
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rootDisk = "/dev/nvme0n1";
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in
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{
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config = lib.mkIf isArm {
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disko.devices = {
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nodev."/" = {
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fsType = "tmpfs";
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mountOptions = [
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"mode=755"
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"defaults"
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"size=2G"
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];
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};
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# root disk setup
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disk.main = {
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type = "disk";
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device = rootDisk;
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imageSize = "15G";
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content = {
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type = "gpt";
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# specify partitions
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partitions = {
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# /boot/firmware
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FIRMWARE = {
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priority = 1;
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name = "FIRMWARE";
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start = "1M";
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end = "1G";
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type = "0700";
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content = {
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type = "filesystem";
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format = "vfat";
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mountpoint = "/boot/firmware";
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mountOptions = [ "umask=0077" ];
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};
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};
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# /boot
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ESP = {
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priority = 2;
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name = "ESP";
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size = "1G";
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type = "EF00";
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content = {
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type = "filesystem";
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format = "vfat";
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mountpoint = "/boot";
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mountOptions = [ "umask=0077" ];
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};
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};
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root = {
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name = "bcachefs-root";
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size = "100%";
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content = {
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type = "bcachefs";
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filesystem = "main_fs"; # Reference to filesystem below
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extraFormatArgs = [ "--discard" ];
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};
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};
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};
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};
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};
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bcachefs_filesystems = {
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main_fs = {
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type = "bcachefs_filesystem";
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extraFormatArgs = [
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"--compression=zstd"
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"--background_compression=zstd"
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];
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subvolumes = {
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# Root subvolume
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"subvolumes/root" = {
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mountpoint = "/root";
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mountOptions = [
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"noatime"
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];
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};
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# Home subvolume
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"subvolumes/home" = {
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mountpoint = "/home";
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};
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# Nix store
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"subvolumes/nix" = {
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mountpoint = "/nix";
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mountOptions = [
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"noatime"
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];
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};
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# Etc
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"subvolumes/etc" = {
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mountpoint = "/etc";
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mountOptions = [
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"noatime"
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];
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};
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# Tmp
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"subvolumes/tmp" = {
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mountpoint = "/tmp";
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mountOptions = [
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"noatime"
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];
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};
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# Log
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"subvolumes/log" = {
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mountpoint = "/var/log";
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mountOptions = [
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"noatime"
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];
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};
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};
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};
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};
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};
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};
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} |