bootstrap.js

/*
Copyright (c) 2012 Adobe Systems Incorporated. All rights reserved.

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 shell = require('shelljs'),
    fs    = require('fs'),
    path  = require('path'),
    libs  = require('./libraries');

var libDir = path.join(__dirname, 'lib');
shell.mkdir('-p', libDir);
shell.rm('-rf', path.join(libDir, 'test'));

var contents = fs.readdirSync(libDir);

var command_queue = [];

for (var repo in libs.paths) if (libs.paths.hasOwnProperty(repo) && repo != 'test') (function(lib) {
    if (contents.indexOf(lib) == -1) {
        // Don't have the lib, get it.
        var cmd = 'git clone https://git-wip-us.apache.org/repos/asf/' + lib + '.git ' + path.join(libDir, lib);
    } else {
        // Have the lib, update it.
        var cmd = 'cd ' + path.join(libDir, lib) + ' && git checkout -- . && git pull --tags origin master';
    }
    command_queue.push(cmd);
})(repo);

function go(q, builder, cb) {
    var cmd = q.shift();
    if (cmd) {
        console.log('[BOOTSTRAP] Executing "' + cmd + '"');
        shell.exec(cmd, {silent:true, async:true}, function(code, output) {
            if (code > 0) {
                console.error('Error running previous command! Output to follow.');
                console.error(output);
            } 
            go(q, builder, cb);
        });
    } else {
        // TODO: use the builder.
        console.log('[BOOTSTRAP] Complete.');
        if (cb) cb();
    }
}

function bootstrap(url, builder) {
    this.test_builder = builder;
    if (url) {
        var test_path = path.join(libDir, 'test');
        var cmd;
        if (fs.existsSync(test_path)) {
            cmd = 'cd ' + test_path + ' && git checkout -- . && git pull origin master';
        } else {
            cmd = 'git clone ' + url + ' ' + test_path;
        }
        command_queue.push(cmd);
    }
};

bootstrap.prototype = {
    go:function(callback) {
        go(command_queue, this.test_builder, callback);
    }
};

module.exports = bootstrap;

if(require.main === module) {
    new bootstrap().go();
}