strapkit/src/cli.js

Write once, deploy everyWear. Cross platform development tools for wearables.

/*
Copyright 2015 Strap, LLC
Portions derived from original source created by Apache Software Foundation.

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/

var path = require('path'),
sys = require('sys'),
exec = require('child_process').exec,
optimist, // required in try-catch below to print a nice error message if it's not installed.
help = require('./help'),
Analytics = require('analytics-node'),
crypto = require('crypto'),
md5sum = crypto.createHash('md5'),
_;

var uid = 'foo';


analytics = new Analytics('7ywaVzd3Em3lT02NMgt8axMpV4wYFOCg', {flushAt: 1});

module.exports = function CLI(inputArgs) {
    try {
        optimist = require('optimist');
        _ = require('underscore');
    } catch (e) {
        console.error("Please run npm install from this directory:\n\t" + path.dirname(__dirname));
        process.exit(2);
    }
    var strapkit_lib = require('strapkit-lib'),
    StrapkitError = strapkit_lib.StrapkitError,
    strapkit = strapkit_lib.strapkit;

    // console.log("iargs",inputArgs);//fixme
    // If no inputArgs given, use process.argv.
    var tokens;
    if (inputArgs) {
        tokens = inputArgs.slice(2);
    } else {
        tokens = process.argv.slice(2);
    }
    // When changing command line arguments, update doc/help.txt accordingly.
    var args = optimist(tokens)
    .boolean('d')
    .boolean('verbose')
    .boolean('v')
    .boolean('version')
    .boolean('silent')
    .boolean('experimental')
    .string('copy-from')
    .alias('copy-from', 'src')
    .string('link-to')
    .string('searchpath')
    .argv;

    if (args.v || args.version) {
        return console.log(require('../package').version);
    }

    var opts = {
        platforms: [],
        options: [],
        verbose: (args.d || args.verbose),
        silent: args.silent,
    };


    // For StrapkitError print only the message without stack trace.
    process.on('uncaughtException', function(err){
        if (err instanceof StrapkitError) {
            console.error(err.message);
        } else {
            console.error(err.stack);
        }
        process.exit(1);
    });

    strapkit.on('results', console.log);

    if (!opts.silent) {
        strapkit.on('log', console.log);
        strapkit.on('warn', console.warn);
    } else {
        // Remove the token.
        tokens.splice(tokens.indexOf('--silent'), 1);
    }


    if (opts.verbose) {
        // Add handlers for verbose logging.
        strapkit.on('verbose', console.log);

        //Remove the corresponding token
        if(args.d && args.verbose) {
            tokens.splice(Math.min(tokens.indexOf("-d"), tokens.indexOf("--verbose")), 1);
        } else if (args.d) {
            tokens.splice(tokens.indexOf("-d"), 1);
        } else if (args.verbose) {
            tokens.splice(tokens.indexOf("--verbose"), 1);
        }
    }

    if (opts.experimental) {
        tokens.splice(tokens.indexOf("--experimental"), 1);
    }

    var cmd = tokens && tokens.length ? tokens.splice(0,1) : undefined;
    if (cmd === undefined) {
        return help();
    }


    // set a unique identifier for user
    function setUID(error, stdout, stderr) { 
        if (error) {throw error;} 
        // console.log(stderr); console.log(stdout); 
        uid = stdout; 

        // send CLI event to segment
        analytics.track({userId:md5sum.update(uid.trim()).digest("hex"),event:cmd[0],properties:{args:args,tokens:tokens}});
    }

    exec('echo `whoami;uname -a`',setUID);
    


    if (!strapkit.hasOwnProperty(cmd)) {
        throw new StrapkitError('Strap Kit does not know ' + cmd + '; try help for a list of all the available commands.');
    }

    if (cmd == 'install' || cmd == 'emulate' || cmd == 'build' || cmd == 'prepare' || cmd == 'compile' || cmd == 'run') {
        // Filter all non-platforms into options
        var platforms = strapkit_lib.strapkit_platforms;
        tokens.forEach(function(option, index) {
            if (platforms.hasOwnProperty(option)) {
                opts.platforms.push(option);
            } else {
                opts.options.push(option);
            }
        });
        strapkit.raw[cmd].call(this, opts).done();
    } else if (cmd == 'serve') {
        strapkit.raw[cmd].apply(this, tokens).done();
    } else if (cmd == 'refresh') {
        strapkit.raw[cmd].call(this, opts).done();
    } else if (cmd == 'clean') {
	strapkit.raw[cmd].call(this, opts).done();
    }  else if (cmd == 'create') {
        var cfg = {};
        // If we got a forth parameter, consider it to be JSON to init the config.
        if (args._[4]) {
            cfg = JSON.parse(args._[4]);
        }
        var customWww = args['copy-from'] || args['link-to'];
        if (customWww) {
            if (customWww.indexOf(':') != -1) {
                throw new StrapkitError('Only local paths for custom www assets are supported.');
            }
            if (customWww.substr(0,1) === '~') {  // resolve tilde in a naive way.
                customWww = path.join(process.env.HOME,  customWww.substr(1));
            }
            customWww = path.resolve(customWww);
            var wwwCfg = {uri: customWww};
            if (args['link-to']) {
                wwwCfg.link = true;
            }
            cfg.lib = cfg.lib || {};
            cfg.lib.www = wwwCfg;
        }
        // create(dir, id, name, cfg)
        strapkit.raw[cmd].call(this, args._[1], args._[2], args._[3], cfg).done();
    } else if (cmd == 'help') {
        return help();
    } else {
        // platform/plugins add/rm [target(s)]
        var subcommand = tokens[0]; // this has the sub-command, like "add", "ls", "rm" etc.
        var targets = tokens.slice(1); // this should be an array of targets, be it platforms or plugins
        strapkit.raw[cmd].call(this, subcommand, targets, { searchpath: args.searchpath }).done();
    }
};