michael@0: #!/usr/bin/env node
michael@0: var gift = require('gift'),
michael@0:     fs = require('fs'),
michael@0:     argv = require('optimist')
michael@0:       .usage('Update vtt.jsm with the latest from a vtt.js directory.\nUsage:' +
michael@0:              ' $0 -d [dir]')
michael@0:       .demand('d')
michael@0:       .options('d', {
michael@0:         alias: 'dir',
michael@0:         describe: 'Path to WebVTT directory.'
michael@0:       })
michael@0:       .options('w', {
michael@0:         alias: 'write',
michael@0:         describe: 'Path to file to write to.',
michael@0:         default: "./vtt.jsm"
michael@0:       })
michael@0:       .argv;
michael@0: 
michael@0: var repo = gift(argv.d);
michael@0: repo.status(function(err, status) {
michael@0:   if (!status.clean) {
michael@0:     console.log("The repository's working directory is not clean. Aborting.");
michael@0:     process.exit(1);
michael@0:   }
michael@0:   repo.checkout("master", function() {
michael@0:     repo.commits("master", 1, function(err, commits) {
michael@0:       var vttjs = fs.readFileSync(argv.d + "/lib/vtt.js", 'utf8');
michael@0: 
michael@0:       // Remove settings for VIM and Emacs.
michael@0:       vttjs = vttjs.replace(/\/\* -\*-.*-\*- \*\/\n/, '');
michael@0:       vttjs = vttjs.replace(/\/\* vim:.* \*\/\n/, '');
michael@0: 
michael@0:       // Concatenate header and vttjs code.
michael@0:       vttjs =
michael@0:         '/* This Source Code Form is subject to the terms of the Mozilla Public\n' +
michael@0:         ' * License, v. 2.0. If a copy of the MPL was not distributed with this\n' +
michael@0:         ' * file, You can obtain one at http://mozilla.org/MPL/2.0/. */\n\n' +
michael@0:         'this.EXPORTED_SYMBOLS = ["WebVTT"];\n\n' +
michael@0:         '/**\n' +
michael@0:         ' * Code below is vtt.js the JS WebVTT implementation.\n' +
michael@0:         ' * Current source code can be found at http://github.com/mozilla/vtt.js\n' +
michael@0:         ' *\n' +
michael@0:         ' * Code taken from commit ' + commits[0].id + '\n' +
michael@0:         ' */\n' +
michael@0:         vttjs;
michael@0: 
michael@0:       fs.writeFileSync(argv.w, vttjs);
michael@0:     });
michael@0: });
michael@0: });