backup only select dotfiles from home directory

# Define default values for variables
SOURCE_DIR="/path/to/source/home/"
DEST_DIR="/path/to/destination/"
INCLUDE_FILE="includefile.txt"
LOG_FILE="/path/to/backup.log"

# Parse command line options
while getopts ":s:d:i:l:" opt; do
  case ${opt} in
    s ) SOURCE_DIR=$OPTARG ;;
    d ) DEST_DIR=$OPTARG ;;
    i ) INCLUDE_FILE=$OPTARG ;;
    l ) LOG_FILE=$OPTARG ;;
    \? ) printf "Invalid option: -$OPTARG\n" >&2; exit 1 ;;
    : ) printf "Option -$OPTARG requires an argument.\n" >&2; exit 1 ;;
  esac
done

# Check that the source and destination directories exist
if [ ! -d "$SOURCE_DIR" ]; then
  printf "Error: Source directory '$SOURCE_DIR' not found.\n" >&2
  echo "$(date): Error: Source directory '$SOURCE_DIR' not found." >> "$LOG_FILE"
  exit 1
fi

if [ ! -d "$DEST_DIR" ]; then
  printf "Error: Destination directory '$DEST_DIR' not found.\n" >&2
  echo "$(date): Error: Destination directory '$DEST_DIR' not found." >> "$LOG_FILE"
  exit 1
fi

# Check that the includefile.txt exists
if [ ! -f "$INCLUDE_FILE" ]; then
  printf "Error: Include file '$INCLUDE_FILE' not found.\n" >&2
  echo "$(date): Error: Include file '$INCLUDE_FILE' not found." >> "$LOG_FILE"
  exit 1
fi

# Check if the log file exists, create it if it doesn't
if [ ! -f "$LOG_FILE" ]; then
  touch "$LOG_FILE"
fi

# Run rsync to exclude all dot files and dot folders in the home folder but copy all
# other folders recursively except those listed in excludelist.txt
rsync -av --exclude='/.*' --exclude-from='excludelist.txt' "$SOURCE_DIR" "$DEST_DIR" --delete-before >> "$LOG_FILE" 2>&1

# Run rsync again to include specific dotfiles and dotfolders listed in includefile.txt and all other files and folders recursively, except those in excludelist.txt

rsync -av  --exclude='/.*' --exclude-from='excludelist.txt' \
--include-from="$INCLUDE_FILE" "$SOURCE_DIR" "$DEST_DIR" --update >> "$LOG_FILE" 2>&1



# Check if rsync command succeeded
if [ $? -eq 0 ]; then
  printf "Backup completed successfully.\n"
  echo "$(date): Backup completed successfully." >> "$LOG_FILE"
else
  printf "Error: Backup failed. Check log file for details.\n" >&2
  echo "$(date): Error: Backup failed. Check log file for details." >> "$LOG_FILE"
fi