create a directory backup and omit specific files and folders

compress.sh

#!/bin/bash

# add this script to crontab
# crontab -e
# 0 0 * * * /path/to/compress.sh /path/to/directory /path/to/output

# List of files and directories to omit
OMIT_LIST=(
    "vendor/"
    "node_modules/"
)

compress_directory_recursive() {
    local dir=$1
    local output_file=$2
    local timestamp=$(date "+%Y-%m-%d_%H-%M-%S")
    output_file="${output_file}_${timestamp}.tar.xz"
    local temp_dir=$(mktemp -d -t tmp.XXXXXXXXXX)
    trap 'rm -rf "$temp_dir"' EXIT
    rsync -a --exclude-from=<(printf "%s\n" "${OMIT_LIST[@]}") "$dir" "$temp_dir"
    tar -cJf "$output_file" -C "$temp_dir" .
}

# Usage: ./compress.sh <directory> <output_file>
compress_directory_recursive "$1" "$2"

echo "Compression job completed successfully at $(date)" >> compress.log