svn.js

const { execSync } = require('child_process');
const path = require('path');
const fs = require('fs');


const SVN_DIR_PATH = path.join(__dirname, '..', 'svn');

if (!fs.existsSync(SVN_DIR_PATH)) {
    fs.mkdirSync(SVN_DIR_PATH);
}


function execCmd(cmd, { fromDir = '.' } = {}) {
    return execSync(cmd, {
        cwd: fromDir,
        stdio: 'inherit'
    });
}

/**
 * In case of error, this function will throw an object, 
 * which is the result of child_process.spawnSync(). For
 * more info see: 
 * 
 * https://nodejs.org/dist/latest-v6.x/docs/api/child_process.html#child_process_child_process_execsync_command_options
 * 
 * @param {*} url           url to checkout
 * @param {*} savePath      save path, relative to ${SVN_DIR_PATH}
 * @param {*} noAuthCache 
 */
function checkout(url, savePath, noAuthCache = false) {
    execCmd(`svn checkout ${url} ${savePath} ${noAuthCache ? '--no-auth-cache' : ''}`, { fromDir: SVN_DIR_PATH });
}


exports.checkout = checkout;
exports.SVN_DIR_PATH = SVN_DIR_PATH;