async function getRatJar()

in src/audit-license-headers.js [96:112]

• 10 lines of code
• 2 McCabe index (conditional complexity)

async function getRatJar () {
    const RAT_ID = 'apache-rat-0.12';
    const RAT_URL = `https://archive.apache.org/dist/creadur/${RAT_ID}/${RAT_ID}-bin.tar.gz`;

    const cohoRoot = repoutil.getRepoDir(repoutil.getRepoById('coho'));
    const ratJarPath = path.join(cohoRoot, RAT_ID, RAT_ID + '.jar');

    if (!fs.existsSync(ratJarPath)) {
        console.log('RAT tool not found, downloading to: ' + ratJarPath);
        await pipeline(
            got.stream(RAT_URL), new Gunzip(), tar.extract(cohoRoot)
        ).catch(err => {
            throw new Error('Failed to get RAT JAR:\n' + err.message);
        });
    }
    return ratJarPath;
}