Made a script for partitioning the USB, to be run through the script

part-sdb.sh

@@ -0,0 +1,33 @@
+#!/bin/bash
+set -euo pipefail
+
+if [[ $# -eq 0 ]]; then
+    read -rp "Root of or for device: " DEV_ROOT
+elif [[ $# -gt 0 ]]; then
+    while getopts "d:" opt; do
+        case ${opt} in
+            d) DEV_ROOT="${OPTARG}";;
+            *) echo "${opt} is an invalid option.";;
+        esac
+    done
+fi
+
+if ! [ -f "${HOME}/Downloads/ventoy.tar.gz" ]; then
+    wget -O ventoy.tar.gz -P "${HOME}"/Downloads https://github.com/ventoy/Ventoy/releases/download/v1.0.99/ventoy-1.0.99-linux.tar.gz
+fi
+tar -xvf "${HOME}"/Downloads/ventoy.tar.gz -C "${HOME}"/Downloads/ventoy
+rm "${HOME}"/Downloads/ventoy.tar.gz
+mapfile -t DEV_SIZES < <(df -h "$DEV_ROOT" | awk '{print $2}')
+GB_DEV_SIZE="${DEV_SIZES[-1]%?}"
+MB_DEV_SIZE=$(( GB_DEV_SIZE * 1000 ))
+VENTOY_LOWER_BOUND=$(( MB_DEV_SIZE - 18034 ))
+"${HOME}"/Downloads/ventoy/Ventoy2Disk.sh -igsL Ventoy -r "$VENTOY_LOWER_BOUND" "$DEV_ROOT"
+mapfile -t PART_LIST < <(parted "$DEV_ROOT" 'unit s print' | awk '{print $3}')
+# parted "${DEV_ROOT}" mklabel gpt
+sudo parted "$DEV_ROOT" mkpart TREASURY ntfs "${PART_LIST[-1]}" 76%
+sudo parted "$DEV_ROOT" mkpart LAIR btrfs 76% 100%
+sudo mkfs.exfat -L treasure "${DEV_ROOT}"3
+sudo cryptsetup luksFormat "${DEV_ROOT}"4
+sudo cryptsetup open "${DEV_ROOT}"4 LAIR
+sudo mkfs.btrfs -d single -m DUP -L secrets /dev/mapper/LAIR
+sudo cryptsetup close LAIR