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feat: change iso to btrfs

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This commit is contained in:
Dominik Polakovics Polakovics
2025-08-05 19:52:58 +02:00
parent 79b4a615f0
commit ba9ef3913d
3 changed files with 51 additions and 8 deletions
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18
iso/default.nix
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@@ -33,7 +33,7 @@
${utillinux}/bin/sfdisk --wipe=always $dev <<-END
label: gpt
name=BOOT, size=512MiB, type=C12A7328-F81F-11D2-BA4B-00A0C93EC93B
name=BOOT, size=1024MiB, type=C12A7328-F81F-11D2-BA4B-00A0C93EC93B
name=NIXOS
END
mkfs.fat -F 32 -n boot /dev/disk/by-partlabel/BOOT
@@ -44,10 +44,22 @@
wait-for mkfs.fat -F 32 -n boot /dev/disk/by-partlabel/BOOT
wait-for [ -b /dev/disk/by-partlabel/NIXOS ]
mkfs.ext4 -L nixos /dev/disk/by-partlabel/NIXOS
mkfs.btrfs -f -L nixos /dev/disk/by-partlabel/NIXOS
sync
mount /dev/disk/by-partlabel/NIXOS /mnt
mount /dev/disk/by-partlabel/NIXOS /mnt
btrfs subvolume create /mnt/@
btrfs subvolume create /mnt/@nix-store
btrfs subvolume create /mnt/@nix-persist
umount /mnt
sync
mount -o noatime,compress=zstd:3,ssd,discard=async,space_cache=v2,subvol=@ /dev/disk/by-partlabel/NIXOS /mnt
mkdir -p /mnt/nix/{store,persist}
mount -o noatime,compress=zstd:3,ssd,discard=async,space_cache=v2,subvol=@nix-store /dev/disk/by-partlabel/NIXOS /mnt/nix/store
mount -o noatime,compress=zstd:3,ssd,discard=async,space_cache=v2,subvol=@nix-persist /dev/disk/by-partlabel/NIXOS /mnt/nix/persist
mkdir /mnt/boot
wait-for mount /dev/disk/by-label/boot /mnt/boot