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219 lines
6.6 KiB
Bash
219 lines
6.6 KiB
Bash
#!/bin/bash
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# Author: Eshan Roy
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# Description: Backup important Snigdha OS system configurations and settings
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set -e # Exit immediately if a command exits with a non-zero status
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# Colors
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RED="\033[1;31m"
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GREEN="\033[1;32m"
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YELLOW="\033[1;33m"
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BLUE="\033[1;34m"
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RESET="\033[0m"
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# Emojis for user feedback
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INFO="📝"
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SUCCESS="✅"
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WARNING="⚠️"
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ERROR="❌"
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BACKUP="💾"
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# Directories and files to be backed up
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BACKUP_DIR="$HOME/snigdhaos_backups"
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DATE=$(date +"%Y-%m-%d_%H-%M-%S")
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SNIGDHAOS_BACKUP="$BACKUP_DIR/snigdhaos_backup_$DATE"
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LOG_FILE="$BACKUP_DIR/backup_log_$DATE.txt"
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# List of important configuration directories and files
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CONFIG_FILES=(
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"/etc/pacman.conf"
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"/etc/fstab"
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"/etc/locale.conf"
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"/etc/vconsole.conf"
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"/etc/hostname"
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"/etc/hosts"
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"/etc/sudoers"
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"/etc/systemd/system"
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"/etc/X11/xorg.conf.d"
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"/etc/udev"
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"/etc/NetworkManager"
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"/etc/crypttab"
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"/etc/mkinitcpio.conf"
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"/etc/pm.conf"
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"$HOME/.bashrc"
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"$HOME/.zshrc"
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"$HOME/.config/i3"
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"$HOME/.config/sway"
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"$HOME/.config/kitty"
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"$HOME/.config/nvim"
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"$HOME/.config/alacritty"
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"$HOME/.config/rofi"
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)
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# Function to display help message
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show_help() {
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echo -e "${BLUE}Usage: ${RESET}snigdhaos-backup.sh [OPTIONS]"
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echo -e ""
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echo -e "${GREEN}This script will back up important Snigdha OS system configuration files and settings.${RESET}"
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echo -e ""
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echo -e "${YELLOW}Options:${RESET}"
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echo -e " ${GREEN}-h, --help${RESET} Show this help message."
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echo -e " ${GREEN}-v, --version${RESET} Display the script version."
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echo -e " ${GREEN}-b, --backup-dir${RESET} Specify a custom backup directory (default: \$HOME/snigdhaos_backups)."
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echo -e " ${GREEN}-l, --list${RESET} List the files that will be backed up."
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echo -e " ${GREEN}-e, --encrypt${RESET} Encrypt the backup with GPG."
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echo -e " ${GREEN}-c, --compression${RESET} Choose compression format (gzip, xz, bz2)."
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echo -e " ${GREEN}-r, --restore${RESET} Restore backup from a specified file."
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echo -e ""
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echo -e "Example usage:"
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echo -e " snigdhaos-backup.sh -e # Create an encrypted backup."
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echo -e " snigdhaos-backup.sh -l # List files to be backed up."
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echo -e " snigdhaos-backup.sh -b /path/to/dir # Specify a custom backup directory."
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}
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# Function to display version information
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show_version() {
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echo -e "${BLUE}Version: 1.1.0${RESET}"
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}
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# Parse command line options
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CUSTOM_BACKUP_DIR=false
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LIST_FILES=false
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ENCRYPT_BACKUP=false
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COMPRESSION_FORMAT="gz"
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RESTORE=false
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while [[ "$#" -gt 0 ]]; do
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case "$1" in
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-h|--help)
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show_help
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exit 0
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;;
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-v|--version)
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show_version
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exit 0
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;;
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-b|--backup-dir)
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CUSTOM_BACKUP_DIR=true
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BACKUP_DIR="$2"
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shift
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;;
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-l|--list)
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LIST_FILES=true
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shift
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;;
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-e|--encrypt)
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ENCRYPT_BACKUP=true
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shift
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;;
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-c|--compression)
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COMPRESSION_FORMAT="$2"
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shift
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;;
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-r|--restore)
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RESTORE=true
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BACKUP_FILE="$2"
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shift
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;;
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*)
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echo -e "${ERROR} Unknown option: $1${RESET}"
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show_help
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exit 1
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;;
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esac
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done
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# Ensure backup directory exists
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mkdir -p "$BACKUP_DIR"
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# Function to display a user warning
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user_warning() {
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echo -e "${WARNING} WARNING: You are about to proceed with the backup or restoration process.${RESET}"
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echo -e "${YELLOW}This action may overwrite existing backup data or restore files from a previous backup.${RESET}"
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read -p "Do you want to continue? (y/n): " user_input
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if [[ ! "$user_input" =~ ^[Yy]$ ]]; then
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echo -e "${ERROR} Operation aborted by user.${RESET}"
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exit 1
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fi
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}
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# Function to list files to be backed up
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list_files() {
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echo -e "${INFO} The following files and directories will be backed up:${RESET}"
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for item in "${CONFIG_FILES[@]}"; do
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echo -e "${GREEN} - $item${RESET}"
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done
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}
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# Function to backup a file or directory
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backup_item() {
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local item="$1"
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if [ -e "$item" ]; then
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echo -e "${INFO} Backing up $item...${RESET}" | tee -a "$LOG_FILE"
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cp -r "$item" "$SNIGDHAOS_BACKUP" | tee -a "$LOG_FILE"
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else
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echo -e "${WARNING} Warning: $item not found. Skipping.${RESET}" | tee -a "$LOG_FILE"
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fi
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}
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# Function to create a compressed backup tarball
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create_tarball() {
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echo -e "${INFO} Creating $COMPRESSION_FORMAT tarball of backup...${RESET}" | tee -a "$LOG_FILE"
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case "$COMPRESSION_FORMAT" in
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gz) tar -czf "$BACKUP_DIR/$TAR_NAME" -C "$BACKUP_DIR" . | tee -a "$LOG_FILE" ;;
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xz) tar -cJf "$BACKUP_DIR/$TAR_NAME" -C "$BACKUP_DIR" . | tee -a "$LOG_FILE" ;;
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bz2) tar -cjf "$BACKUP_DIR/$TAR_NAME" -C "$BACKUP_DIR" . | tee -a "$LOG_FILE" ;;
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*) echo -e "${ERROR} Invalid compression format! Using gzip by default." | tee -a "$LOG_FILE" ;;
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esac
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}
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# Function to encrypt the backup
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encrypt_backup() {
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if $ENCRYPT_BACKUP; then
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echo -e "${INFO} Encrypting the backup...${RESET}" | tee -a "$LOG_FILE"
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gpg --symmetric --cipher-algo AES256 "$BACKUP_DIR/$TAR_NAME" | tee -a "$LOG_FILE"
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rm "$BACKUP_DIR/$TAR_NAME"
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echo -e "${SUCCESS} Backup encrypted successfully!" | tee -a "$LOG_FILE"
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fi
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}
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# Function to restore a backup
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restore_backup() {
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echo -e "${INFO} Restoring backup from $BACKUP_FILE...${RESET}" | tee -a "$LOG_FILE"
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tar -xvf "$BACKUP_FILE" -C "$HOME" | tee -a "$LOG_FILE"
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echo -e "${SUCCESS} Restore completed successfully!" | tee -a "$LOG_FILE"
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}
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# Backup process
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backup_process() {
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echo -e "${INFO} Starting backup process...${RESET}" | tee -a "$LOG_FILE"
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# Loop through the list of configuration files and directories
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for item in "${CONFIG_FILES[@]}"; do
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backup_item "$item"
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done
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# Create a tarball for easy backup storage
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TAR_NAME="snigdhaos_backup_$DATE.tar.$COMPRESSION_FORMAT"
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create_tarball
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encrypt_backup
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echo -e "${SUCCESS} Backup completed successfully! Backup is located at: $BACKUP_DIR/$TAR_NAME" | tee -a "$LOG_FILE"
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}
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# List files to be backed up if --list is passed
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if $LIST_FILES; then
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list_files
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exit 0
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fi
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# Start backup or restore process
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if $RESTORE; then
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user_warning
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restore_backup
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else
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user_warning
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echo -e "${INFO} Preparing backup...${RESET}" | tee -a "$LOG_FILE"
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SNIGDHAOS_BACKUP="$BACKUP_DIR/snigdhaos_backup_$DATE"
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backup_process
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fi
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