Backup script

.backup.sh

#!/bin/bash

# Timestamp
TIMESTAMP=$(date +"%Y-%m-%d_%H-%M-%S")

# Configuration
BACKUP_DIR="/run/media/daniel/Backup"
HOME_DIR="$HOME"
LOG_FILE="$BACKUP_DIR/backup.$TIMESTAMP.log"

# Check if backup drive is mounted
if [ ! -d "$BACKUP_DIR" ]; then
    echo "Backup drive not mounted at $BACKUP_DIR. Exiting."
    exit 1
fi

echo "Backup started at $TIMESTAMP" | tee -a "$LOG_FILE"

# Backup home directory (excluding large/unnecessary folders)
echo "Backing up home directory..." | tee -a "$LOG_FILE"
rsync -aAXvz \
    --exclude='.cache' \
    --exclude=".local/share/Trash" \
    --exclude="Dropbox" \
    --exclude="OneDrive" \
    --exclude="maestral-venv" \
    --exclude="git-credential-manager" \
    "$HOME_DIR/" "$BACKUP_DIR/home/" | tee -a "$LOG_FILE"

# Backup important system configurations
echo "Backing up system configurations..." | tee -a "$LOG_FILE"
rsync -aAXvz /etc/ "$BACKUP_DIR/etc/" | tee -a "$LOG_FILE"

# Backup list of installed packages
echo "Backing up package lists..." | tee -a "$LOG_FILE"
mkdir -p "$BACKUP_DIR/packages"
if command -v apt &> /dev/null; then
    # Debian/Ubuntu
    dpkg --get-selections > "$BACKUP_DIR/packages/dpkg_selections.txt"
elif command -v dnf &> /dev/null; then
    # Fedora/RHEL
    dnf list --installed > "$BACKUP_DIR/packages/dnf_installed.txt"
    dnf repoquery --userinstalled > "$BACKUP_DIR/packages/dnf_userinstalled.txt"
    dnf group list --installed > "$BACKUP_DIR/packages/dnf_group_installed.txt"
fi

# Backup Flatpak applications
if command -v flatpak &> /dev/null; then
    echo "Backing up Flatpak list..." | tee -a "$LOG_FILE"
    mkdir -p "$BACKUP_DIR/flatpak"
    flatpak list --app --columns=application > "$BACKUP_DIR/flatpak/flatpak_apps.txt"
fi

# Backup Brew applications
if command -v brew &> /dev/null; then
    echo "Backing up Brewfile..." | tee -a "$LOG_FILE"
    mkdir -p "$BACKUP_DIR/brew"
    brew bundle dump --file "$BACKUP_DIR/brew/Brewfile" -f
fi

echo "Backup completed at $(date +"%Y-%m-%d_%H-%M-%S")" | tee -a "$LOG_FILE"