67 lines
2.3 KiB
JavaScript
67 lines
2.3 KiB
JavaScript
var _ = require('lodash');
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var zlib = require('zlib');
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var tar = require('tar');
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var request = require('request');
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var mkdirp = require('mkdirp');
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var fs = require('fs');
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var join = require('path').join;
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var filesPatern = _.template('node-v<%- version %>-<%- platform %>.tar.gz');
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var urlPattern = _.template('http://nodejs.org/dist/v<%- version %>/<%- file %>');
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var async = require('async');
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module.exports = function (grunt) {
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grunt.registerTask('download_node_binaries', 'Download the node.js binaries', function () {
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var done = this.async();
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var platforms = _.without(grunt.config.get('platforms'), 'windows');
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var rootPath = grunt.config.get('root');
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var version = grunt.config.get('nodeVersion');
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var handle404 = function (response) {
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if (response.statusCode !== 200) {
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throw new Error(response.request.href + ' failed with a ' + response.statusCode);
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}
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};
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var downloadWindows = function (cb) {
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var dest = join(rootPath, '.node_binaries', 'windows');
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fs.stat(dest, function (err) {
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if (!err) return cb(); // skip downloading if we already have them
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var url = urlPattern({ version: version, file: 'node.exe'});
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mkdirp(dest, function (err) {
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if (err) return cb(err);
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var out = fs.createWriteStream(join(dest, 'node.exe'));
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out.on('close', cb).on('error', cb);
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var req = request.get(url);
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req.on('response', handle404);
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req.pipe(out);
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});
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});
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};
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var download = function (platform, cb) {
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var dest = join(rootPath, '.node_binaries', platform);
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fs.stat(dest, function (err) {
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if (!err) return cb(); // skip downloading if we already have them
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var file = filesPatern({ version: version, platform: platform });
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var url = urlPattern({ version: version, file: file });
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mkdirp(dest, function (err) {
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if (err) return cb(err);
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var unzip = zlib.createGunzip();
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var out = tar.Extract({ path: dest, strip: 1 });
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out.on('close', cb).on('error', cb);
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var req = request.get(url);
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req.on('response', handle404);
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req.pipe(unzip).pipe(out);
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});
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});
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};
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async.each(platforms, download, function (err) {
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if (err) return done(err);
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downloadWindows(done);
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});
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});
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};
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