269 lines
10 KiB
JavaScript
269 lines
10 KiB
JavaScript
////////////////////////////////////////////////////////////////////////////
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//
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// Copyright 2016 Realm Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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////////////////////////////////////////////////////////////////////////////
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'use strict';
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const fs = require('fs-extra');
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const path = require('path');
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const os = require('os');
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const child_process = require('child_process');
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const fetch = require('node-fetch');
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const ini = require('ini');
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const decompress = require('decompress');
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const LOCKFILE_NAME = 'download-realm.lock';
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function exec() {
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const args = Array.from(arguments);
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return new Promise((resolve, reject) => {
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function callback(error, stdout, stderr) {
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if (error) {
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reject(error);
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} else {
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resolve(stdout.trim());
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}
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}
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args.push(callback);
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child_process.exec.apply(null, args);
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});
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}
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function printProgress(input, totalBytes, archive) {
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const ProgressBar = require('progress');
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const StreamCounter = require('stream-counter');
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const message = `Downloading ${archive} [:bar] (:ratek)`;
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const bar = new ProgressBar(message, {
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complete: '=',
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incomplete: ' ',
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width: process.stdout.columns - message.length,
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total: totalBytes / 1024
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});
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input.pipe(new StreamCounter()).on('progress', function() {
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bar.tick((this.bytes / 1024) - bar.curr);
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});
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}
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function download(serverFolder, archive, destination) {
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const url = `https://static.realm.io/downloads/${serverFolder}/${archive}`;
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console.log(`Download url: ${url}`);
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return fetch(url).then((response) => {
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if (response.status !== 200) {
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throw new Error(`Error downloading ${url} - received status ${response.status} ${response.statusText}`);
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}
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const lastModified = new Date(response.headers.get('Last-Modified'));
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return fs.exists(destination)
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.then(exists => {
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if (!exists) {
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return saveFile();
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} else {
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return fs.stat(destination)
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.then(stat => {
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if (stat.mtime.getTime() !== lastModified.getTime()) {
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return saveFile();
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}
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})
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}
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});
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function saveFile() {
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if (process.stdout.isTTY) {
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printProgress(response.body, parseInt(response.headers.get('Content-Length')), archive);
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} else {
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console.log(`Downloading ${archive}`);
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}
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return new Promise((resolve) => {
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const file = fs.createWriteStream(destination);
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response.body.pipe(file).once('finish', () => file.close(resolve));
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}).then(() => fs.utimes(destination, lastModified, lastModified));
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}
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});
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}
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function extract(downloadedArchive, targetFolder, archiveRootFolder) {
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console.log(`Extracting ${path.basename(downloadedArchive)} => ${targetFolder}`);
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if (!archiveRootFolder) {
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return decompress(downloadedArchive, targetFolder);
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} else {
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const tempExtractLocation = path.resolve(os.tmpdir(), path.basename(downloadedArchive, path.extname(downloadedArchive)));
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return decompress(downloadedArchive, tempExtractLocation)
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.then(() => fs.readdir(path.resolve(tempExtractLocation, archiveRootFolder)))
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.then(items => Promise.all(items.map(item => {
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const source = path.resolve(tempExtractLocation, archiveRootFolder, item);
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const target = path.resolve(targetFolder, item);
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return fs.copy(source, target, { filter: n => path.extname(n) !== '.so' });
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})))
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.then(() => fs.remove(tempExtractLocation))
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}
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}
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function acquire(desired, target) {
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const corePath = desired.CORE_ARCHIVE && path.resolve(os.tmpdir(), desired.CORE_ARCHIVE);
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const syncPath = desired.SYNC_ARCHIVE && path.resolve(os.tmpdir(), desired.SYNC_ARCHIVE);
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return fs.emptyDir(target)
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.then(() => corePath && download(desired.CORE_SERVER_FOLDER, desired.CORE_ARCHIVE, corePath))
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.then(() => corePath && extract(corePath, target, desired.CORE_ARCHIVE_ROOT))
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.then(() => syncPath && download(desired.SYNC_SERVER_FOLDER, desired.SYNC_ARCHIVE, syncPath))
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.then(() => syncPath && extract(syncPath, target, desired.SYNC_ARCHIVE_ROOT))
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.then(() => writeLockfile(target, desired))
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}
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function getSyncCommitSha(version) {
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return exec(`git ls-remote git@github.com:realm/realm-sync.git --tags "v${version}^{}"`)
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.then(stdout => {
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if (!stdout) {
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return exec(`git ls-remote git@github.com:realm/realm-sync.git --tags "v${version}"`)
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} else {
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return stdout;
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}
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}).then(stdout => /([^\t]+)/.exec(stdout)[0]);
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}
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function getCoreRequirements(dependencies, options, required = {}) {
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required.CORE_SERVER_FOLDER = `core/v${dependencies.REALM_CORE_VERSION}`;
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let flavor = options.debug ? 'Debug' : 'Release';
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switch (options.platform) {
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case 'mac':
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required.CORE_SERVER_FOLDER += `/macos/${flavor}`;
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required.CORE_ARCHIVE = `realm-core-${flavor}-v${dependencies.REALM_CORE_VERSION}-Darwin-devel.tar.gz`;
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return Promise.resolve(required);
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case 'ios':
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flavor = flavor === 'Debug' ? 'MinSizeDebug' : flavor;
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required.CORE_SERVER_FOLDER += `/ios/${flavor}`;
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required.CORE_ARCHIVE = `realm-core-${flavor}-v${dependencies.REALM_CORE_VERSION}-iphoneos.tar.gz`;
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return Promise.resolve(required);
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case 'win': {
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if (!options.arch) throw new Error(`Specifying '--arch' is required for platform 'win'`);
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const arch = options.arch === 'ia32' ? 'Win32' : options.arch;
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required.CORE_SERVER_FOLDER += `/windows/${arch}/nouwp/${flavor}`;
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required.CORE_ARCHIVE = `realm-core-${flavor}-v${dependencies.REALM_CORE_VERSION}-Windows-${arch}-devel.tar.gz`;
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return Promise.resolve(required);
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}
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case 'linux':
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required.CORE_SERVER_FOLDER = 'core';
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required.CORE_ARCHIVE = `realm-core-${dependencies.REALM_CORE_VERSION}.tgz`;
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required.CORE_ARCHIVE_ROOT = `realm-core-${dependencies.REALM_CORE_VERSION}`;
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return Promise.resolve(required);
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default:
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return Promise.reject(new Error(`Unsupported core platform '${options.platform}'`));
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}
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}
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function getSyncRequirements(dependencies, options, required = {}) {
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required.SYNC_SERVER_FOLDER = 'sync';
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let flavor = options.debug ? 'Debug' : 'Release';
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switch (options.platform) {
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case 'mac':
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required.SYNC_ARCHIVE = `realm-sync-node-cocoa-${dependencies.REALM_SYNC_VERSION}.tar.gz`;
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required.SYNC_ARCHIVE_ROOT = `realm-sync-node-cocoa-${dependencies.REALM_SYNC_VERSION}`;
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return Promise.resolve(required);
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case 'ios':
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required.SYNC_ARCHIVE = `realm-sync-cocoa-${dependencies.REALM_SYNC_VERSION}.tar.gz`;
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required.SYNC_ARCHIVE_ROOT = `core`;
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return Promise.resolve(required);
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case 'win': {
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const arch = options.arch === 'ia32' ? 'Win32' : options.arch;
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required.SYNC_ARCHIVE = `realm-sync-${flavor}-v${dependencies.REALM_SYNC_VERSION}-Windows-${arch}-devel.tar.gz`;
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return getCoreRequirements(dependencies, options, required)
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.then(() => getSyncCommitSha(dependencies.REALM_SYNC_VERSION))
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.then(sha => {
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required.SYNC_SERVER_FOLDER += `/sha-version/${sha}`;
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return required;
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});
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}
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default:
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return Promise.reject(new Error(`Unsupported sync platform '${options.platform}'`));
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}
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}
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function writeLockfile(target, contents) {
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return fs.writeFile(path.resolve(target, LOCKFILE_NAME), ini.encode(contents));
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}
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function readLockfile(target) {
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try {
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return ini.parse(fs.readFileSync(path.resolve(target, LOCKFILE_NAME), 'utf8'));
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} catch (e) {
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return null;
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}
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}
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function shouldSkipAcquire(target, requirements, force) {
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if (force) {
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console.log('Skipping lockfile check as --force is enabled');
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return false;
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}
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const existingLockfile = readLockfile(target);
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if (!existingLockfile) {
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console.log('No lockfile found at the target, proceeding.');
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return false;
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}
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if (!Object.keys(requirements).every(key => existingLockfile[key] === requirements[key])) {
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console.log('Target directory has a differing lockfile, overwriting.');
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return false;
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}
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console.log('Matching lockfile already exists at target - nothing to do (use --force to override)');
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return true;
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}
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const optionDefinitions = [
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{ name: 'platform', type: String, defaultOption: true },
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{ name: 'arch', type: String },
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{ name: 'sync', type: Boolean },
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{ name: 'debug', type: Boolean },
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{ name: 'force', type: Boolean },
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];
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const options = require('command-line-args')(optionDefinitions);
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if (options.platform === '..\\win') {
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options.platform = 'win'; // handle gyp idiocy
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}
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const vendorDir = path.resolve(__dirname, '../vendor');
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let realmDir = path.resolve(vendorDir, `realm-${options.platform}`);
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if (options.arch) {
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realmDir += `-${options.arch}`;
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}
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if (options.debug) {
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realmDir += '-dbg'
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}
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const dependencies = ini.parse(fs.readFileSync(path.resolve(__dirname, '../dependencies.list'), 'utf8'));
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(options.sync ? getSyncRequirements : getCoreRequirements)(dependencies, options)
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.then(requirements => {
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console.log('Resolved requirements:', requirements);
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if (!shouldSkipAcquire(realmDir, requirements, options.force)) {
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return acquire(requirements, realmDir)
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}
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})
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.then(() => console.log('Success'))
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.catch(error => {
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console.error(error);
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process.exit(1);
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});
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