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273 lines
10 KiB
TypeScript
273 lines
10 KiB
TypeScript
import * as path from "path";
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import { getPathFromAmdModule } from "vs/base/common/amd";
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import { VSBuffer } from "vs/base/common/buffer";
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import { Emitter, Event } from "vs/base/common/event";
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import { IDisposable } from "vs/base/common/lifecycle";
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import { OS } from "vs/base/common/platform";
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import { URI, UriComponents } from "vs/base/common/uri";
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import { URITransformer, IRawURITransformer, transformOutgoingURIs } from "vs/base/common/uriIpc";
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import { IServerChannel } from "vs/base/parts/ipc/common/ipc";
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import { IDiagnosticInfo } from "vs/platform/diagnostics/common/diagnosticsService";
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import { IEnvironmentService } from "vs/platform/environment/common/environment";
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import { IExtensionDescription, ExtensionIdentifier } from "vs/platform/extensions/common/extensions";
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import { FileDeleteOptions, FileOverwriteOptions, FileType, IStat, IWatchOptions, FileOpenOptions } from "vs/platform/files/common/files";
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import { ILogService } from "vs/platform/log/common/log";
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import pkg from "vs/platform/product/node/package";
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import product from "vs/platform/product/node/product";
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import { IRemoteAgentEnvironment } from "vs/platform/remote/common/remoteAgentEnvironment";
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import { ExtensionScanner, ExtensionScannerInput } from "vs/workbench/services/extensions/node/extensionPoints";
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import { DiskFileSystemProvider } from "vs/workbench/services/files/node/diskFileSystemProvider";
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/**
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* Extend the file provider to allow unwatching.
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*/
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class Watcher extends DiskFileSystemProvider {
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public readonly watches = new Map<number, IDisposable>();
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public dispose(): void {
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this.watches.forEach((w) => w.dispose());
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this.watches.clear();
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super.dispose();
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}
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public _watch(req: number, resource: URI, opts: IWatchOptions): void {
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this.watches.set(req, this.watch(resource, opts));
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}
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public unwatch(req: number): void {
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this.watches.get(req)!.dispose();
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this.watches.delete(req);
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}
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}
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/**
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* See: src/vs/platform/remote/common/remoteAgentFileSystemChannel.ts.
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*/
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export class FileProviderChannel implements IServerChannel, IDisposable {
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private readonly provider: DiskFileSystemProvider;
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private readonly watchers = new Map<string, Watcher>();
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public constructor(private readonly logService: ILogService) {
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this.provider = new DiskFileSystemProvider(this.logService);
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}
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public listen(context: any, event: string, args?: any): Event<any> {
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switch (event) {
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// This is where the actual file changes are sent. The watch method just
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// adds things that will fire here. That means we have to split up
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// watchers based on the session otherwise sessions would get events for
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// other sessions. There is also no point in having the watcher unless
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// something is listening. I'm not sure there is a different way to
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// dispose, anyway.
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case "filechange":
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const session = args[0];
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const emitter = new Emitter({
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onFirstListenerAdd: () => {
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const provider = new Watcher(this.logService);
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this.watchers.set(session, provider);
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const transformer = getUriTransformer(context.remoteAuthority);
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provider.onDidChangeFile((events) => {
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emitter.fire(events.map((event) => ({
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...event,
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resource: transformer.transformOutgoing(event.resource),
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})));
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});
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provider.onDidErrorOccur((event) => emitter.fire(event));
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},
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onLastListenerRemove: () => {
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this.watchers.get(session)!.dispose();
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this.watchers.delete(session);
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},
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});
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return emitter.event;
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}
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throw new Error(`Invalid listen "${event}"`);
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}
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public call(_: unknown, command: string, args?: any): Promise<any> {
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switch (command) {
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case "stat": return this.stat(args[0]);
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case "open": return this.open(args[0], args[1]);
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case "close": return this.close(args[0]);
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case "read": return this.read(args[0], args[1], args[2]);
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case "write": return this.write(args[0], args[1], args[2], args[3], args[4]);
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case "delete": return this.delete(args[0], args[1]);
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case "mkdir": return this.mkdir(args[0]);
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case "readdir": return this.readdir(args[0]);
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case "rename": return this.rename(args[0], args[1], args[2]);
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case "copy": return this.copy(args[0], args[1], args[2]);
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case "watch": return this.watch(args[0], args[1], args[2], args[3]);
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case "unwatch": return this.unwatch(args[0], args[1]);
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}
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throw new Error(`Invalid call "${command}"`);
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}
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public dispose(): void {
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this.watchers.forEach((w) => w.dispose());
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this.watchers.clear();
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}
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private async stat(resource: UriComponents): Promise<IStat> {
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return this.provider.stat(URI.from(resource));
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}
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private async open(resource: UriComponents, opts: FileOpenOptions): Promise<number> {
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return this.provider.open(URI.from(resource), opts);
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}
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private async close(fd: number): Promise<void> {
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return this.provider.close(fd);
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}
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private async read(fd: number, pos: number, length: number): Promise<[VSBuffer, number]> {
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const buffer = VSBuffer.alloc(length);
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const bytesRead = await this.provider.read(fd, pos, buffer.buffer, 0, length);
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return [buffer, bytesRead];
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}
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private write(fd: number, pos: number, buffer: VSBuffer, offset: number, length: number): Promise<number> {
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return this.provider.write(fd, pos, buffer.buffer, offset, length);
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}
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private async delete(resource: UriComponents, opts: FileDeleteOptions): Promise<void> {
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return this.provider.delete(URI.from(resource), opts);
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}
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private async mkdir(resource: UriComponents): Promise<void> {
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return this.provider.mkdir(URI.from(resource));
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}
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private async readdir(resource: UriComponents): Promise<[string, FileType][]> {
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return this.provider.readdir(URI.from(resource));
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}
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private async rename(resource: UriComponents, target: UriComponents, opts: FileOverwriteOptions): Promise<void> {
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return this.provider.rename(URI.from(resource), URI.from(target), opts);
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}
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private copy(resource: UriComponents, target: UriComponents, opts: FileOverwriteOptions): Promise<void> {
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return this.provider.copy(URI.from(resource), URI.from(target), opts);
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}
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private async watch(session: string, req: number, resource: UriComponents, opts: IWatchOptions): Promise<void> {
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this.watchers.get(session)!._watch(req, URI.from(resource), opts);
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}
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private async unwatch(session: string, req: number): Promise<void> {
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this.watchers.get(session)!.unwatch(req);
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}
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}
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/**
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* See: src/vs/workbench/services/remote/common/remoteAgentEnvironmentChannel.ts.
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*/
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export class ExtensionEnvironmentChannel implements IServerChannel {
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public constructor(
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private readonly environment: IEnvironmentService,
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private readonly log: ILogService,
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) {}
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public listen(_: unknown, event: string): Event<any> {
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throw new Error(`Invalid listen "${event}"`);
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}
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public async call(context: any, command: string, args?: any): Promise<any> {
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switch (command) {
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case "getEnvironmentData":
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return transformOutgoingURIs(
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await this.getEnvironmentData(args.language),
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getUriTransformer(context.remoteAuthority),
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);
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case "getDiagnosticInfo": return this.getDiagnosticInfo();
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case "disableTelemetry": return this.disableTelemetry();
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}
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throw new Error(`Invalid call "${command}"`);
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}
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private async getEnvironmentData(locale: string): Promise<IRemoteAgentEnvironment> {
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return {
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pid: process.pid,
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appRoot: URI.file(this.environment.appRoot),
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appSettingsHome: this.environment.appSettingsHome,
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settingsPath: this.environment.machineSettingsHome,
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logsPath: URI.file(this.environment.logsPath),
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extensionsPath: URI.file(this.environment.extensionsPath),
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extensionHostLogsPath: URI.file(path.join(this.environment.logsPath, "extension-host")),
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globalStorageHome: URI.file(this.environment.globalStorageHome),
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userHome: URI.file(this.environment.userHome),
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extensions: await this.scanExtensions(locale),
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os: OS,
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};
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}
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private async scanExtensions(locale: string): Promise<IExtensionDescription[]> {
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const root = getPathFromAmdModule(require, "");
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const translations = {}; // TODO: translations
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// TODO: there is also this.environment.extensionDevelopmentLocationURI to look into.
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const scanBuiltin = async (): Promise<IExtensionDescription[]> => {
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const input = new ExtensionScannerInput(
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pkg.version, product.commit, locale, !!process.env.VSCODE_DEV,
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path.resolve(root, "../extensions"),
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true,
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false,
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translations,
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);
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const extensions = await ExtensionScanner.scanExtensions(input, this.log);
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// TODO: there is more to do if process.env.VSCODE_DEV is true.
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return extensions;
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};
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const scanInstalled = async (): Promise<IExtensionDescription[]> => {
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const input = new ExtensionScannerInput(
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pkg.version, product.commit, locale, !!process.env.VSCODE_DEV,
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this.environment.extensionsPath, false, true, translations,
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);
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return ExtensionScanner.scanExtensions(input, this.log);
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};
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return Promise.all([scanBuiltin(), scanInstalled()]).then((allExtensions) => {
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// It's possible to get duplicates.
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const uniqueExtensions = new Map<string, IExtensionDescription>();
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allExtensions.forEach((extensions) => {
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extensions.forEach((extension) => {
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const id = ExtensionIdentifier.toKey(extension.identifier);
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if (uniqueExtensions.has(id)) {
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const oldPath = uniqueExtensions.get(id)!.extensionLocation.fsPath;
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const newPath = extension.extensionLocation.fsPath;
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this.log.warn(
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`Extension ${id} in ${oldPath} has been overridden ${newPath}`,
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);
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}
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uniqueExtensions.set(id, extension);
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});
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});
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const finalExtensions = <IExtensionDescription[]>[];
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uniqueExtensions.forEach((e) => finalExtensions.push(e));
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return finalExtensions;
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});
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}
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private getDiagnosticInfo(): Promise<IDiagnosticInfo> {
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throw new Error("not implemented");
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}
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private disableTelemetry(): Promise<void> {
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throw new Error("not implemented");
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}
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}
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export const uriTransformerPath = getPathFromAmdModule(require, "vs/server/uriTransformer");
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export const getUriTransformer = (remoteAuthority: string): URITransformer => {
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const rawURITransformerFactory = <any>require.__$__nodeRequire(uriTransformerPath);
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const rawURITransformer = <IRawURITransformer>rawURITransformerFactory(remoteAuthority);
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return new URITransformer(rawURITransformer);
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};
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