301 lines
6.3 KiB
Bash
Executable File
301 lines
6.3 KiB
Bash
Executable File
#!/bin/bash
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set -e
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RED='\e[31m'
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GREEN='\e[32m'
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YELLOW='\e[33m'
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RESET='\e[0m'
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NO_WRITE=false
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NO_RETABLE=false
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NO_USB=false
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NO_CLEANUP=false
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IMG_FILE="PBX-Image-*.tar.zst"
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MOUNT_PATH="/mnt/debian"
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MOUNT_POINTS=("/dev" "/dev/pts" "/proc" "/sys" "/run")
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BOOT_PART="NULL"
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EFI_PART="NULL"
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ROOT_PART="NULL"
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VGROUP="SangomaPBX-vg"
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ROOT_LV="root"
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SWAP_LV="swap_1"
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VG_PATH="/dev/mapper/SangomaPBX--vg-"
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for arg in "$@"; do
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case $arg in
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--nowrite)
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NO_WRITE=true
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shift
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;;
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--noretable)
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NO_RETABLE=true
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shift
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;;
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--nocleanup)
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NO_CLEANUP=true
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shift
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;;
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-h)
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printf "%-20s %s\n" "Flags:" "Description:"
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echo
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printf "%-20s %s\n" "--nowrite" "Disables Writing to Disk only modifys Existing Partitions"
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exit 1
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;;
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*)
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echo "Unknown option: $arg"
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echo "Try -h"
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exit 1
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;;
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esac
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done
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main() {
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root_check
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check_dependencies
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udevadm trigger
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dialogue
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assign_part_var
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trap 'echo "Status Code: $?"; cleanup;' EXIT
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if [[ $NO_RETABLE == true ]]; then
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echo -e "${YELLOW}Option --noretable is specified. Tables will not be erased and no partitions will be created${RESET}"
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else
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rewrite_gpt_table
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assign_part_var
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lvm_init
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make_filesystem
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fi
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mount_partitions
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write_img
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mount_chroot
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gen_fstab
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install_grub
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echo -e "${GREEN}Restore and resize complete!${RESET}"
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exit 0
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}
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root_check() {
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if [[ $EUID -ne 0 ]]; then
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echo -e "${RED}You must be root to do this." 1>&2
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exit 100
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fi
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}
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check_dependencies() {
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local missing=()
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local required_tools=("sgdisk" "pv" "pvcreate" "vgcreate" "lvcreate" "vgchange" "mkfs.vfat" "mkfs.ext4" "mkswap" "tar" "zstd" "lsblk" "partprobe" "chroot")
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for tool in "${required_tools[@]}"; do
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if ! command -v "$tool" &>/dev/null; then
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missing+=("$tool")
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fi
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done
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if [[ ${#missing[@]} -gt 0 ]]; then
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echo -e "${RED}Missing required tools: ${missing[*]}${RESET}"
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echo
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echo "Install with:"
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echo " apt install gdisk pv lvm2 zstd dosfstools e2fsprogs parted util-linux coreutils"
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exit 1
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fi
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echo -e "${GREEN}All dependencies found${RESET}"
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}
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dialogue() {
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lsblk
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echo
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read -rp "Enter the target disk (e.g., sda): " disk_suffix
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disk_name="/dev/${disk_suffix}"
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echo "Chose disk $disk_name"
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echo
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echo -e "${RED}WARNING: ALL DATA ON ${disk_name} WILL BE DESTROYED${RESET}"
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lsblk $disk_name 2>/dev/null || true
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echo
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read -rp "Are you sure you want to continue? (yes/no): " confirm
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if [[ "$confirm" != "yes" ]]; then
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echo "Aborted."
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exit 0
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fi
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echo "Chose disk $disk_name"
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echo
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}
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rewrite_gpt_table() {
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vgchange -an $VGROUP 2>/dev/null || true
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vgremove -f $VGROUP 2>/dev/null || true
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pvremove -ff $ROOT_PART 2>/dev/null || true
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sgdisk -Z $disk_name
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sgdisk -c $disk_name
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sgdisk -n 1:1MiB:+512M -t 1:ef00 -c 1:"EFI System" $disk_name
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sgdisk -n 2:0:+1G -t 2:8300 -c 2:"boot" $disk_name
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sgdisk -n 3:0:0 -t 3:8e00 -c 3:"Linux LVM" $disk_name
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partprobe || true
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lsblk $disk_name
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echo -e "${GREEN}GPT table created. ${RESET}"
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}
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assign_part_var() {
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EFI_PART=$(get_partition $disk_name "1")
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BOOT_PART=$(get_partition $disk_name "2")
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ROOT_PART=$(get_partition $disk_name "3")
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}
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lvm_init() {
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pvcreate $ROOT_PART -ff
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vgcreate $VGROUP $ROOT_PART -f
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vgchange -ay $VGROUP
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lvcreate -L 4G $VGROUP -n swap_1
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lvcreate -l 100%FREE $VGROUP -n root
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echo -e "${GREEN}LVM initialized ${RESET}"
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}
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make_filesystem() {
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mkfs.vfat -I -F 32 $EFI_PART
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mkfs.ext4 -F $BOOT_PART
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mkfs.ext4 -F "${VG_PATH}${ROOT_LV}"
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mkswap -f "${VG_PATH}${SWAP_LV}"
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echo -e "${GREEN}Make filesystems finished.${RESET}"
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}
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write_img() {
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if [[ $NO_WRITE == true ]]; then
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echo -e "${YELLOW}Option --nowrite is specified. No need for Img no disks will be written to${RESET}"
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return 0
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fi
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local img_file_dir=$(ls -1 ./PBX-Image-*.tar.zst 2>/dev/null | head -n1)
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if [[ -z "$img_file_dir" ]]; then
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img_file_dir=$(ls -1 ./Image/PBX-Image-*.tar.zst 2>/dev/null | head -n1)
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fi
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if [[ -z "$img_file_dir" ]]; then
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echo -e "${RED}NO TAR.ZST FILE FOUND${RESET}"
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exit 100
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fi
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echo "Writing image to ${VG_PATH}${ROOT_LV}..."
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pv "${img_file_dir}" | tar -I zstd -x -C "${MOUNT_PATH}"
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echo -e "${GREEN}Finished writing image to disk${RESET}"
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}
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get_partition() {
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local disk_name="$1"
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local part_num="$2"
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local part_path="$(
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lsblk -lnp -o NAME,TYPE "$disk_name" |
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awk '$2=="part"{print $1}' |
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sed -n "${part_num}p"
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)"
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printf "$part_path"
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}
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get_partuuid() {
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local target_part="$1"
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blkid -s UUID -o value "$target_part"
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}
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mount_partitions() {
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echo "Mounting partitions..."
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vgchange -ay $VGROUP
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mkdir -p "${MOUNT_PATH}"
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mount "${VG_PATH}${ROOT_LV}" $MOUNT_PATH
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mkdir -p "${MOUNT_PATH}/boot"
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mount $BOOT_PART "${MOUNT_PATH}/boot"
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mkdir -p "${MOUNT_PATH}/boot/efi"
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mount $EFI_PART "${MOUNT_PATH}/boot/efi"
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}
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mount_chroot() {
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echo "Mounting restored system..."
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for i in "${MOUNT_POINTS[@]}"; do mount --bind -m "$i" "${MOUNT_PATH}${i}"; done
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echo -e "${GREEN}Mounts prepared for chroot.${RESET}"
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}
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gen_fstab() {
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echo "Generating fstab..."
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boot_uuid=$(get_partuuid $BOOT_PART)
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efi_uuid=$(get_partuuid $EFI_PART)
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cp ./fstab_template ${MOUNT_PATH}/etc/fstab
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sed --in-place "s/BOOT_UUID/${boot_uuid}/g" ${MOUNT_PATH}/etc/fstab
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sed --in-place "s/EFI_UUID/${efi_uuid}/g" ${MOUNT_PATH}/etc/fstab
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echo -e "${GREEN}fstab write complete!${RESET}"
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}
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install_grub() {
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echo "Entering chroot to reinstall GRUB..."
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CHROOT_GRUB_INSTALL="grub-install --target=x86_64-efi --efi-directory=/boot/efi --bootloader-id=debian"
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CHROOT_GRUB_UPDATE="update-grub"
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chroot_cmd "$CHROOT_GRUB_INSTALL"
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chroot_cmd "$CHROOT_GRUB_UPDATE"
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echo -e "${GREEN}Grub installed!${RESET}"
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}
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chroot_cmd() {
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CHROOT_PATH="export PATH=/usr/sbin:/usr/bin:/sbin:/bin"
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chroot $MOUNT_PATH /bin/bash -c "${CHROOT_PATH} && ${1}"
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}
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cleanup() {
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if [[ $NO_CLEANUP = true ]]; then
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echo -e "${YELLOW}No cleanup specified. Make sure to manually clean mounts.${RESET}" 1>&2
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exit 100
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fi
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echo "Cleaning Mounts"
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for i in "${MOUNT_POINTS[@]}"; do umount -lf "${MOUNT_PATH}${i}" 2>/dev/null || true; done
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umount -lf "${MOUNT_PATH}/boot/efi" 2>/dev/null || true
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umount -lf "${MOUNT_PATH}/boot" 2>/dev/null || true
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umount -lf "${MOUNT_PATH}" 2>/dev/null || true
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vgchange -an $VGROUP
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echo -e "${GREEN}Clean.${RESET}"
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}
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main
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