add luks scripts

flake.nix

@@ -43,22 +43,12 @@
 
       apps = self.lib.forAllSystems (system:
         with nixpkgs.legacyPackages.${system};
+        let
+          binScript = x: writeShellScriptBin "script" "exec ${x}";
+        in
         {
-          format-luks = writeShellScriptBin "format-luks" ''
+          luks-mirror = binScript ./misc/luks-mirror.sh;
-            set -e
+          luks-single = binScript ./misc/luks-single.sh;
-            read -p "Path to new LUKS device: " blkdev
-            set -x
-            cryptsetup -y -v luksFormat "$blkdev"
-            cryptsetup --allow-discards open "$blkdev" cryptroot
-            mkfs.btrfs /dev/mapper/cryptroot
-            mount /dev/mapper/cryptroot /mnt -o discard,compress=zstd
-            btrfs subvolume create /mnt/os
-            btrfs subvolume create /mnt/home
-            umount /mnt
-            mount /dev/mapper/cryptroot /mnt -o discard,compress=zstd,subvol=/os
-            mkdir /mnt/home
-            mount /dev/mapper/cryptroot /mnt/home -o discard,compress=zstd,subvol=/home
-          '';
         }
       );
     };

misc/luks-mirror.sh

@@ -0,0 +1,18 @@
+#!/usr/bin/env bash
+
+set -e
+read -p "Path to new LUKS device 1: " blkdevA
+read -p "Path to new LUKS device 2: " blkdevB
+set -x
+
+cryptsetup -y -v luksFormat "$blkdevA"
+cryptsetup -y -v luksFormat "$blkdevB"
+cryptsetup --allow-discards open "$blkdevA" cryptroot1
+cryptsetup --allow-discards open "$blkdevB" cryptroot2
+
+mkfs.btrfs -f -L_root -mraid1 -draid1 /dev/mapper/cryptroot1 /dev/mapper/cryptroot2
+mount /dev/disk/by-label/_root /mnt -o discard,compress=zstd:1
+
+btrfs subvolume create /mnt/home
+btrfs subvolume create /mnt/nix
+mkdir /mnt/boot

misc/luks-single.sh

@@ -0,0 +1,15 @@
+#!/usr/bin/env bash
+
+set -e
+read -p "Path to new LUKS device: " blkdev
+set -x
+
+cryptsetup -y -v luksFormat "$blkdev"
+cryptsetup --allow-discards open "$blkdev" cryptroot
+
+mkfs.btrfs -f -L_root /dev/mapper/cryptroot
+mount /dev/disk/by-label/_root /mnt -o discard,compress=zstd:1
+
+btrfs subvolume create /mnt/home
+btrfs subvolume create /mnt/nix
+mkdir /mnt/boot