14d7a89a84
- Add @persist subvolume to BTRFS layout - Implement automatic root-blank snapshotting during installation - Add initrd rollback script to wipe root on every boot - Configure persistence for core system state (NM, Bluetooth, SSH, NixOS config)
68 lines
2.1 KiB
Nix
68 lines
2.1 KiB
Nix
{
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disko.devices = {
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disk = {
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main = {
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type = "disk";
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device = "@TARGET_DRIVE@";
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content = {
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type = "gpt";
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partitions = {
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ESP = {
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priority = 1;
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name = "ESP";
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start = "1M";
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end = "512M";
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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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luks = {
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size = "100%";
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content = {
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type = "luks";
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name = "crypted";
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settings.allowDiscards = true;
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content = {
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type = "btrfs";
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extraArgs = [ "-f" ];
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subvolumes = {
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"@" = {
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mountpoint = "/";
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mountOptions = [ "compress=zstd" "noatime" ];
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};
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"@persist" = {
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mountpoint = "/persist";
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mountOptions = [ "compress=zstd" "noatime" ];
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};
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"@home" = {
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mountpoint = "/home";
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mountOptions = [ "compress=zstd" "noatime" ];
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};
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"@nix" = {
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mountpoint = "/nix";
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mountOptions = [ "compress=zstd" "noatime" ];
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};
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"@log" = {
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mountpoint = "/var/log";
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mountOptions = [ "compress=zstd" "noatime" ];
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};
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};
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postCreateHook = ''
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MNTPOINT=$(mktemp -d)
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mount -t btrfs /dev/mapper/crypted $MNTPOINT
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btrfs subvolume snapshot -r $MNTPOINT/@ $MNTPOINT/root-blank
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umount $MNTPOINT
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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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};
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};
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} |