Compress Web Assets for Deployment

#!/bin/bash

# Define directories containing web assets
ASSET_DIRS=(
  "./css"
  "./js"
  "./images"
  "./fonts"
)

# Output archive name with a timestamp
OUTPUT_ARCHIVE="web_assets_$(date +%Y%m%d%H%M%S).tar.gz"

# Check if any asset directories exist
ALL_DIRS_EXIST=true
for dir in "${ASSET_DIRS[@]}"; do
  if [ ! -d "$dir" ]; then
    echo "Warning: Directory '$dir' not found. Skipping."
    # Remove the non-existent directory from the list to be tarred
    ASSET_DIRS=("${ASSET_DIRS[@]/$dir}")
    ALL_DIRS_EXIST=false
  fi
done

if [ ${#ASSET_DIRS[@]} -eq 0 ]; then
  echo "No valid asset directories found to compress. Exiting."
  exit 1
fi

echo "Compressing web assets from: ${ASSET_DIRS[@]}"

# Create a gzipped tar archive of selected directories
# -c: create a new archive
# -z: compress the archive with gzip
# -v: verbosely list files processed
# -f: use archive file or device ARCHIVE
tar -czvf "$OUTPUT_ARCHIVE" "${ASSET_DIRS[@]}"

if [ $? -eq 0 ]; then
  echo "Successfully compressed assets to $OUTPUT_ARCHIVE"
  echo "Size: $(du -h "$OUTPUT_ARCHIVE" | awk '{print $1}')"
else
  echo "Error: Failed to compress assets."
  exit 1
fi