#!/bin/bash
set -e

# Flex source acquisition script
# Downloads and extracts flex-2.6.4 source code

ARCHIVE_URL="https://github.com/westes/flex/releases/download/v2.6.4/flex-2.6.4.tar.gz"
ARCHIVE_NAME="flex-2.6.4.tar.gz"
SOURCE_DIR="sources"
EXTRACT_DIR="flex"

echo "Downloading flex source..."
wget -O ${ARCHIVE_NAME} ${ARCHIVE_URL}

echo "Creating source directory..."
mkdir -p ${SOURCE_DIR}

echo "Extracting archive..."
tar -xzf ${ARCHIVE_NAME} -C ${SOURCE_DIR}

# Rename to expected directory name if needed
if [ -d "${SOURCE_DIR}/flex-2.6.4" ]; then
    mv "${SOURCE_DIR}/flex-2.6.4" "${SOURCE_DIR}/${EXTRACT_DIR}"
fi

echo "Cleaning up..."
rm ${ARCHIVE_NAME}

echo "Source acquisition complete."