realm-js/scripts/download-realm.js

218 lines
8.4 KiB
JavaScript

////////////////////////////////////////////////////////////////////////////
//
// Copyright 2016 Realm Inc.
//
// 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.
//
////////////////////////////////////////////////////////////////////////////
'use strict';
const fs = require('fs-extra');
const path = require('path');
const os = require('os');
const child_process = require('child_process');
const fetch = require('node-fetch');
const ini = require('ini').parse;
const decompress = require('decompress');
function exec() {
const args = Array.from(arguments);
return new Promise((resolve, reject) => {
function callback(error, stdout, stderr) {
if (error) {
reject(error);
} else {
resolve(stdout.trim());
}
}
args.push(callback);
child_process.exec.apply(null, args);
});
}
function printProgress(input, totalBytes, archive) {
const ProgressBar = require('progress');
const StreamCounter = require('stream-counter');
const message = `Downloading ${archive} [:bar] (:ratek)`;
const bar = new ProgressBar(message, {
complete: '=',
incomplete: ' ',
width: process.stdout.columns - message.length,
total: totalBytes / 1024
});
input.pipe(new StreamCounter()).on('progress', function() {
bar.tick((this.bytes / 1024) - bar.curr);
});
}
function download(serverFolder, archive, destination) {
const url = `https://static.realm.io/downloads/${serverFolder}/${archive}`;
return fetch(url).then((response) => {
if (response.status !== 200) {
throw new Error(`Error downloading ${url} - received status ${response.status} ${response.statusText}`);
}
const lastModified = new Date(response.headers.get('Last-Modified'));
return fs.exists(destination)
.then(exists => {
if (!exists) {
return saveFile();
} else {
return fs.stat(destination)
.then(stat => {
if (stat.mtime.getTime() !== lastModified.getTime()) {
return saveFile();
}
})
}
});
function saveFile() {
if (process.stdout.isTTY) {
printProgress(response.body, parseInt(response.headers.get('Content-Length')), archive);
} else {
console.log(`Downloading ${archive}`);
}
return new Promise((resolve) => {
const file = fs.createWriteStream(destination);
response.body.pipe(file).once('finish', () => file.close(resolve));
}).then(() => fs.utimes(destination, lastModified, lastModified));
}
});
}
function extract(downloadedArchive, targetFolder, archiveRootFolder) {
console.log(`Extracting ${path.basename(downloadedArchive)} => ${targetFolder}`);
const decompressOptions = /tar\.xz$/.test(downloadedArchive) ? { plugins: [ require('decompress-tarxz')() ] } : undefined;
if (!archiveRootFolder) {
return decompress(downloadedArchive, targetFolder, decompressOptions);
} else {
const tempExtractLocation = path.resolve(os.tmpdir(), path.basename(downloadedArchive, path.extname(downloadedArchive)));
return decompress(downloadedArchive, tempExtractLocation, decompressOptions)
.then(() => fs.readdir(path.resolve(tempExtractLocation, archiveRootFolder)))
.then(items => Promise.all(items.map(item => {
const source = path.resolve(tempExtractLocation, archiveRootFolder, item);
const target = path.resolve(targetFolder, item);
return fs.copy(source, target, { filter: n => path.extname(n) !== '.so' });
})))
.then(() => fs.remove(tempExtractLocation))
}
}
function acquireCore(options, dependencies, target) {
let serverFolder = `core/v${dependencies.REALM_CORE_VERSION}`;
let flavor = options.debug ? 'Debug' : 'Release';
let archive, archiveRootFolder;
switch (options.platform) {
case 'mac':
serverFolder += `/macos/${flavor}`;
archive = `realm-core-${flavor}-v${dependencies.REALM_CORE_VERSION}-Darwin-devel.tar.gz`;
break;
case 'ios':
flavor = flavor === 'Debug' ? 'MinSizeDebug' : flavor;
serverFolder += `/ios/${flavor}`;
archive = `realm-core-${flavor}-v${dependencies.REALM_CORE_VERSION}-iphoneos.tar.gz`;
break;
case 'win':
if (!options.arch) throw new Error(`Specifying '--arch' is required for platform 'win'`);
const arch = options.arch === 'ia32' ? 'Win32' : options.arch;
serverFolder += `/windows/${arch}/nouwp/${flavor}`;
archive = `realm-core-${flavor}-v${dependencies.REALM_CORE_VERSION}-Windows-${arch}-devel.tar.gz`;
break;
case 'linux':
serverFolder = 'core';
archive = `realm-core-${dependencies.REALM_CORE_VERSION}.tgz`;
archiveRootFolder = `realm-core-${dependencies.REALM_CORE_VERSION}`;
break;
}
const downloadedArchive = path.resolve(os.tmpdir(), archive);
return download(serverFolder, archive, downloadedArchive)
.then(() => extract(downloadedArchive, target, archiveRootFolder));
}
function getSyncCommitSha(version) {
return exec(`git ls-remote git@github.com:realm/realm-sync.git --tags "v${version}^{}"`)
.then(stdout => {
if (!Boolean(stdout)) {
return exec(`git ls-remote git@github.com:realm/realm-sync.git --tags "v${version}"`)
} else {
return stdout;
}
}).then(stdout => /([^\t]+)/.exec(stdout)[0]);
}
function acquireSync(options, dependencies, target) {
let serverFolder = 'sync';
let flavor = options.debug ? 'Debug' : 'Release';
let archive, archiveRootFolder;
let promise = Promise.resolve();
switch (options.platform) {
case 'mac':
archive = `realm-sync-node-cocoa-${dependencies.REALM_SYNC_VERSION}.tar.gz`;
archiveRootFolder = `realm-sync-node-cocoa-${dependencies.REALM_SYNC_VERSION}`;
break;
case 'ios':
archive = `realm-sync-cocoa-${dependencies.REALM_SYNC_VERSION}.tar.xz`;
archiveRootFolder = `core`;
break;
case 'win':
promise = acquireCore(options, dependencies, target)
.then(() => getSyncCommitSha(dependencies.REALM_SYNC_VERSION))
.then(sha => serverFolder += `/sha-version/${sha}`);
const arch = options.arch === 'ia32' ? 'Win32' : options.arch;
archive = `realm-sync-${flavor}-v${dependencies.REALM_SYNC_VERSION}-Windows-${arch}-devel.tar.gz`;
break;
default:
throw new Error(`Unsupported sync platform '${options.platform}'`);
}
const downloadedArchive = path.resolve(os.tmpdir(), archive);
return promise
.then(() => download(serverFolder, archive, downloadedArchive))
.then(() => extract(downloadedArchive, target, archiveRootFolder));
}
const optionDefinitions = [
{ name: 'platform', type: String, defaultOption: true },
{ name: 'arch', type: String },
{ name: 'sync', type: Boolean },
{ name: 'debug', type: Boolean },
];
const options = require('command-line-args')(optionDefinitions);
if (options.platform === '..\\win') {
options.platform = 'win'; // handle gyp idiocy
}
const vendorDir = path.resolve(__dirname, '../vendor');
let realmDir = path.resolve(vendorDir, `realm-${options.platform}`);
if (options.arch) {
realmDir += `-${options.arch}`;
}
if (options.debug) {
realmDir += '-dbg'
}
const dependencies = ini(fs.readFileSync(path.resolve(__dirname, '../dependencies.list'), 'utf8'));
const acquire = options.sync ? acquireSync : acquireCore;
fs.emptyDir(realmDir)
.then(() => acquire(options, dependencies, realmDir))
.catch(error => console.error(error));