Recursively Clean Up Project Dependencies Directories

#!/bin/bash
# Usage: ./cleanup_deps.sh [start_directory]
# Example: ./cleanup_deps.sh ~/Projects

START_DIR="${1:-.}" # Defaults to current directory if not provided

# List of directories to remove
# Add or remove directory names as needed. Ensure they are common patterns.
DIRS_TO_CLEAN=("node_modules" "vendor" "target" ".gradle")

echo "Starting cleanup in directory: $START_DIR"
echo "Looking for and removing: ${DIRS_TO_CLEAN[*]}"

# Counter for deleted directories
DELETED_COUNT=0
DELETED_SIZE=0

for DIR_NAME in "${DIRS_TO_CLEAN[@]}"; do
    echo "Searching for '$DIR_NAME' directories..."
    # Using find to locate directories and then loop through them
    find "$START_DIR" -type d -name "$DIR_NAME" -prune | while read -r found_dir;
    do
        if [ -d "$found_dir" ]; then
            DIR_SIZE=$(du -sh "$found_dir" | awk '{print $1}')
            # Uncomment the echo below for a dry run without actual deletion
            # echo "[DRY RUN] Would delete: $found_dir (Size: $DIR_SIZE)"
            
            echo "Deleting: $found_dir (Size: $DIR_SIZE)"
            rm -rf "$found_dir"
            if [ $? -eq 0 ]; then
                DELETED_COUNT=$((DELETED_COUNT+1))
                # This size aggregation is approximate as `du -sh` output is human-readable
                # For precise calculation, use `du -s` and sum in bytes, then convert.
                # For simplicity here, we just count the entries.
            else
                echo "Failed to delete: $found_dir"
            fi
        fi
    done
done

echo "
Cleanup complete."
echo "Total directories deleted: $DELETED_COUNT"
# echo "Total space reclaimed: (Approx) $DELETED_SIZE"