138 lines
3.1 KiB
Bash
Executable File
138 lines
3.1 KiB
Bash
Executable File
#!/bin/bash
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set -e
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# THE RAINBOW HAHAHAH
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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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# 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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mount_points=("/dev" "/dev/pts" "/proc" "/sys" "/sys/firmware/efi/efivars" "/run")
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NO_WRITE=false
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# arguments
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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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-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: $arg"
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echo "Try -h"
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exit 1
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;;
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esac
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done
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cleanup() {
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echo "Cleaning Mounts"
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umount -lf /mnt/ventoy 2>/dev/null || true
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for i in "${mount_points[@]}"; do umount -lf "/mnt/debian$i" 2>/dev/null || true; done
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umount -lf /mnt/debian/boot/efi 2>/dev/null || true
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umount -lf /mnt/debian/boot 2>/dev/null || true
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umount -lf /mnt/debian 2>/dev/null || true
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}
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trap 'echo "$?"; cleanup;' EXIT
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# Set your target disk here
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udevadm trigger
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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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if [[ $NO_WRITE == true ]]; then
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echo -e "${YELLOW}--nowrite is specified no need for Img no disks will be written to${RESET}"
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else
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read -rp "Enter the name of the usb partition in /dev/mapper (e.g., sda1): " disk_suffix
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usb_name="/dev/mapper/${disk_suffix}"
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user_response="n"
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read -rp "$(echo -e "${RED}You are about to WRITE and ERASE disk ${disk_name} | Are you sure? y/N: ${RESET}")" user_response
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if [[ $user_response != y ]]; then
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echo "Exiting script"
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exit
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fi
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echo "Mounting Ventoy..."
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mkdir -p /mnt/ventoy
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mount $usb_name /mnt/ventoy
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cd /mnt/ventoy/Images
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echo "Writing image to $disk_name..."
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lz4 -dc PBX-LVM.img.lz4 | dd of=$disk_name status=progress
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fi
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# Repartition disk using sgdisk
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echo "Repairing partition tables"
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sgdisk -e $disk_name
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sgdisk -v $disk_name
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partprobe || true
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echo "Expanding Partition 3 on $disk_name..."
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sgdisk --delete=3 $disk_name
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sgdisk --new=3:0:0 --typecode=3:8e00 --change-name=3:"Linux LVM" $disk_name
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partprobe || true
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# Resize physical volume
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echo "Resizing physical volume..."
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pvresize ${disk_name}3
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# Resize swap and root logical volumes
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echo "Resizing swap and root volumes..."
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lvresize -L +7G PBX-vg/swap_1
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lvresize -l +100%FREE --resizefs PBX-vg/root
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# Mount restored system for chroot
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echo "Mounting restored system..."
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mkdir -p /mnt/debian
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mount /dev/mapper/PBX--vg-root /mnt/debian/
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mount ${disk_name}2 /mnt/debian/boot
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mount ${disk_name}1 /mnt/debian/boot/efi
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for i in "${mount_points[@]}"; do mount -B $i /mnt/debian$i; done
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# Chroot and reinstall GRUB
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echo "Entering chroot to reinstall GRUB..."
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chroot /mnt/debian /bin/bash -c "
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grub-install --target=x86_64-efi --efi-directory=/boot/efi --bootloader-id=debian
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update-grub
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"
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echo -e "${GREEN}Restore and resize complete!${RESET}"
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cleanup
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