mcfly-io/generator-sublime

'use strict';
global.Promise = require('bluebird');
var generators = require('yeoman-generator');
var updateNotifier = require('update-notifier');
var yosay = require('yosay');
var Base = generators.Base;
var shell = require('shelljs');
var chalk = require('chalk');
//var fs = require('fs');
//var stripJsonComments = require('strip-json-comments');
/**
 * The `Class` generator has several helpers method to help with creating a new generator.
 *
 * It can be used in place of the `Base` generator
 *
 * @augments Base
 * @alias Easy
 */
module.exports = Base.extend({

    /**
     *  Ctor
     *
     * @constructor
     */
    constructor: function() {
        Base.apply(this, arguments);
        this.utils = {};
        this.travisOptions = {
            version: '1.7.2'
        };
        this.utils.shell = shell;
        this.utils.updateNotifier = updateNotifier;
        this.utils.chalk = chalk;
        this.utils.yosay = yosay;
    },

    createOptions: function() {

    },

    /**
     * Check if a command line utility is installed
     *
     * @private
     *
     * @param {String} cmd - The name of the command line utility (example : git)
     * @param {Boolean} exit - true if process should exit, false otherwise, defaults to false
     *
     * @returns {Q.promise} - A promise returning undefined if check was skipped, false if not installed or true if installed
     */
    checkCmd: function(cmd, exit) {
        exit = exit !== false;
        return new Promise(function(resolve, reject) {

            if (this.options['check-' + cmd] === false) {
                resolve(undefined);
            }

            if (!this.utils.shell.which(cmd)) {
                this.log(chalk.red.bold('(ERROR)') + ' It looks like you do not have ' + cmd + ' installed...');
                if (exit === true) {
                    reject(new Error(cmd + ' is missing'));
                    this.utils.shell.exit(1);
                } else {
                    resolve(false);
                }

            } else {
                this.log(chalk.gray(cmd + ' is installed, continuing...\n'));
                resolve(true);
            }

        }.bind(this));

    },

    /**
     * Check if git is installed
     *
     * @returns {Q.promise} - A promise returning undefined if check was skipped, false if not installed or true if installed
     */
    checkGit: function() {
        return this.checkCmd('git', true);

    },

    /**
     * Check if travis is installed
     *
     * @returns {Q.promise} - A promise returning undefined if check was skipped, false if not installed or true if installed
     */
    checkTravis: function() {
        return this.checkCmd('travis', false)
            .then(function(value) {
                if (value === false) {
                    this.utils.shell.exec('gem install travis -v' + this.travisOptions.version + ' --no-rdoc --no-ri');
                    return true;
                }
                return value;
            }.bind(this));
    },

    notifyUpdate: function(pkg) {

        var notifier = this.utils.updateNotifier({
            pkg: pkg,
            updateCheckInterval: 1
        });
        if (notifier.update) {
            if (notifier.update.latest !== pkg.version) {
                notifier.notify();
                //this.utils.shell.exit(1);
            }
        }
    }

});