wrap child_process.exec

wrap_child_process_exec.js

/**
/**
 * Essentially wraps `child_process.exec` into a promise.
 *
 * @param script Command line to run as a shell command.
 */
function run(script) {
    return new Promise((resolve, reject) => {
        const env = Object.assign({}, process.env);
        const scriptProcess = cp.exec(script, {
            cwd: process.cwd(),
            env,
        });
        scriptProcess.stdout.pipe(process.stdout);
        scriptProcess.stderr.pipe(process.stderr);
        scriptProcess.on('error', reject);
        scriptProcess.on('close', resolve);
    });
}