#!/bin/bash

# 定义设备路径
devices=(/dev/mmcblk1p2 /dev/mmcblk1p3 /dev/mmcblk1p4)
names=(luks1 luks2 luks3)
password_file="/etc/luks_pass"

# 开始写入 /etc/crypttab
echo "Updating /etc/crypttab..."
{
    echo "# <name>  <device>                              <password> <options>"
    for i in "${!devices[@]}"; do
        uuid=$(blkid -s UUID -o value "${devices[$i]}")
        echo "${names[$i]}    UUID=${uuid} ${password_file}"
    done
} | sudo tee /etc/crypttab > /dev/null

cat /etc/crypttab

# 提示完成
echo "Successfully updated /etc/crypttab."