start of my node.js multi svn tool

nts.js

#!/usr/bin/env node

var _     = require("lodash"),
    util  = require('util'),
    spawn = require('child_process').spawn,
    fs    = require("fs"),
    p     = require("path"),
    ansi  = require("ansi"),
    cursor = ansi(process.stdout),
    program = require("commander"),
    projectConfig;

program
    .version('0.0.1')
    .option('-c, --config [file]', 'optional custom config file', "projects.json")
    .option('-v, --verbose', 'display verbose information');

function readConfig(file) {
    var files = _.map(
        [ process.cwd(), process.env[(process.platform === 'win32') ? 'USERPROFILE' : 'HOME'] ],
        function (path) {
            return p.join(path, file);
        }),
        data;

    for (var i = 0, ln = files.length; i < ln; i += 1) {
        try {
            data = fs.readFileSync(files[i]);
            break;
        } catch (err) { }
    }

    if (data) {
        return JSON.parse(data);
    } else {
        throw new Error('Unable to find configuration file in ' + files.join(', '));
    }
}

function checkout(repo) {
    var ck = spawn('svn', ['checkout', repo.url, repo.name]);

    if(program.verbose) {
        ck.stdout.on('data', function(data) {
            console.log(repo + ": " + data);
        });
    }
}

function update(repo, workingDir) {
    var up = spawn('svn', ['update'], {cwd: workingDir}),
        success = true;

    if(program.verbose) {
        up.stdout.on('data', function (data) {
            console.log(repo + ": " + data);
        });
    }

    up.stderr.on('data', function (data) {
        cursor.red();
        console.error(repo + ': ' + data);
        cursor.reset();
        success = false;
    });

    up.on('exit', function (code) {
        if(success) {
            cursor.green();
            console.log(repo + ": updated successfully.");
        } else {
            cursor.red();
            console.log(repo + ": failed to update!");
        }
        cursor.reset();
    });
}

function bulkUpdate() {
    _.each(projectConfig, function(repo, name) {
        update(name, p.join(process.cwd(), name));
    });
}

function bulkCheckout() {
    _.each(projectConfig, function(repo, name) {
        repo.name = name;
        checkout(repo);
    });
}

function loadConfig() {
    projectConfig = readConfig(program.config);
}

program
    .command("list")
    .description("list projects")
    .action(loadConfig)
    .action(function() {
        _.each(projectConfig, function(repo, name) {
            console.log("+ " + name);
        });
    });

program
    .command("svn")
    .description("update repositories")
    .action(loadConfig)
    .action(bulkUpdate);

program
    .command("init")
    .description("initialize projects (svn checkout)")
    .action(loadConfig)
    .action(bulkCheckout);

program.parse(process.argv);