Create format and mount script

bin/mount.sh

@@ -0,0 +1,74 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+DISK=""
+MOUNT_TARGET=""
+ROOT_NAME="cryptroot"
+
+if [[ $# -eq 0 ]]; then
+  	echo "Error: No options provided"
+  	echo "Usage: $0 --disk <disk> --mount <path>"
+  	exit 1
+fi
+
+while [[ $# -gt 0 ]]; do
+  case $1 in
+    --disk)
+      DISK="$2"
+      shift 2
+      ;;
+    --mount)
+      MOUNT_TARGET="$2"
+      shift 2
+      ;;
+    *)
+      echo "Unknown option: $1"
+      exit 1
+      ;;
+  esac
+done
+
+if [[ -z "$DISK" ]]; then
+  	echo "Error: --disk is required"
+  	exit 1
+fi
+
+if [[ -z "$MOUNT_TARGET" ]]; then
+    echo "Error: --mount is required"
+    exit 1
+fi
+
+if [[ $DISK == /dev/nvme* ]]; then
+    DISK="${DISK}p"
+fi
+
+# MOUNTING WITH SUBVOLUMES
+
+if [[ ! -e /dev/mapper/$ROOT_NAME ]]; then
+    echo "Opening encrypted partition..."
+    cryptsetup open "${DISK}3" cryptroot
+fi
+
+BTRFS_OPTS="compress=zstd,noatime"
+
+mount -o subvol=@root,$BTRFS_OPTS /dev/mapper/cryptroot ${MOUNT_TARGET}
+
+# Mount boot partitions
+mount --mkdir "${DISK}1" ${MOUNT_TARGET}/boot
+mount --mkdir -o fmask=0137,dmask=0027 "${DISK}2" ${MOUNT_TARGET}/efi
+
+# Mount other subvolumes
+mount --mkdir -o subvol=@snapshots,$BTRFS_OPTS /dev/mapper/cryptroot ${MOUNT_TARGET}/.snapshots
+mount --mkdir -o subvol=@home,$BTRFS_OPTS /dev/mapper/cryptroot ${MOUNT_TARGET}/home
+mount --mkdir -o subvol=@nix,$BTRFS_OPTS /dev/mapper/cryptroot ${MOUNT_TARGET}/nix
+mount --mkdir -o subvol=@var_cache,$BTRFS_OPTS /dev/mapper/cryptroot ${MOUNT_TARGET}/var/cache
+mount --mkdir -o subvol=@var_log,$BTRFS_OPTS /dev/mapper/cryptroot ${MOUNT_TARGET}/var/log
+mount --mkdir -o subvol=@var_spool,$BTRFS_OPTS /dev/mapper/cryptroot ${MOUNT_TARGET}/var/spool
+mount --mkdir -o subvol=@var_tmp,$BTRFS_OPTS /dev/mapper/cryptroot ${MOUNT_TARGET}/var/tmp
+mount --mkdir -o subvol=@var_lib_machines,$BTRFS_OPTS /dev/mapper/cryptroot ${MOUNT_TARGET}/var/lib/machines
+mount --mkdir -o subvol=@var_lib_portables,$BTRFS_OPTS /dev/mapper/cryptroot ${MOUNT_TARGET}/var/lib/portables
+
+chattr +C ${MOUNT_TARGET}/nix
+
+findmnt ${MOUNT_TARGET}