remove git content provider

extensions/git/src/contentProvider.ts

-/*---------------------------------------------------------------------------------------------
- *  Copyright (c) Microsoft Corporation. All rights reserved.
- *  Licensed under the MIT License. See License.txt in the project root for license information.
- *--------------------------------------------------------------------------------------------*/
-
-import { workspace, Uri, Disposable, Event, EventEmitter, window } from 'vscode';
-import { debounce, throttle } from './decorators';
-import { fromGitUri, toGitUri } from './uri';
-import { Model, ModelChangeEvent, OriginalResourceChangeEvent } from './model';
-import { filterEvent, eventToPromise, isDescendant, pathEquals } from './util';
-
-interface CacheRow {
-	uri: Uri;
-	timestamp: number;
-}
-
-interface Cache {
-	[uri: string]: CacheRow;
-}
-
-const THREE_MINUTES = 1000 * 60 * 3;
-const FIVE_MINUTES = 1000 * 60 * 5;
-
-export class GitContentProvider {
-
-	private _onDidChange = new EventEmitter<Uri>();
-	get onDidChange(): Event<Uri> { return this._onDidChange.event; }
-
-	private changedRepositoryRoots = new Set<string>();
-	private cache: Cache = Object.create(null);
-	private disposables: Disposable[] = [];
-
-	constructor(private model: Model) {
-		this.disposables.push(
-			model.onDidChangeRepository(this.onDidChangeRepository, this),
-			model.onDidChangeOriginalResource(this.onDidChangeOriginalResource, this),
-			workspace.registerTextDocumentContentProvider('git', this)
-		);
-
-		setInterval(() => this.cleanup(), FIVE_MINUTES);
-	}
-
-	private onDidChangeRepository({ repository }: ModelChangeEvent): void {
-		this.changedRepositoryRoots.add(repository.root);
-		this.eventuallyFireChangeEvents();
-	}
-
-	private onDidChangeOriginalResource({ uri }: OriginalResourceChangeEvent): void {
-		if (uri.scheme !== 'file') {
-			return;
-		}
-
-		this._onDidChange.fire(toGitUri(uri, '', { replaceFileExtension: true }));
-	}
-
-	@debounce(1100)
-	private eventuallyFireChangeEvents(): void {
-		this.fireChangeEvents();
-	}
-
-	@throttle
-	private async fireChangeEvents(): Promise<void> {
-		if (!window.state.focused) {
-			const onDidFocusWindow = filterEvent(window.onDidChangeWindowState, e => e.focused);
-			await eventToPromise(onDidFocusWindow);
-		}
-
-		Object.keys(this.cache).forEach(key => {
-			const uri = this.cache[key].uri;
-			const fsPath = uri.fsPath;
-
-			for (const root of this.changedRepositoryRoots) {
-				if (isDescendant(root, fsPath)) {
-					this._onDidChange.fire(uri);
-					return;
-				}
-			}
-		});
-
-		this.changedRepositoryRoots.clear();
-	}
-
-	async provideTextDocumentContent(uri: Uri): Promise<string> {
-		let { path, ref, submoduleOf } = fromGitUri(uri);
-
-		if (submoduleOf) {
-			const repository = this.model.getRepository(submoduleOf);
-
-			if (!repository) {
-				return '';
-			}
-
-			if (ref === 'index') {
-				return await repository.diffIndexWithHEAD(path);
-			} else {
-				return await repository.diffWithHEAD(path);
-			}
-		}
-
-		const repository = this.model.getRepository(uri);
-
-		if (!repository) {
-			return '';
-		}
-
-		const cacheKey = uri.toString();
-		const timestamp = new Date().getTime();
-		const cacheValue: CacheRow = { uri, timestamp };
-
-		this.cache[cacheKey] = cacheValue;
-
-		if (ref === '~') {
-			const fileUri = Uri.file(path);
-			const uriString = fileUri.toString();
-			const [indexStatus] = repository.indexGroup.resourceStates.filter(r => r.resourceUri.toString() === uriString);
-			ref = indexStatus ? '' : 'HEAD';
-		} else if (/^~\d$/.test(ref)) {
-			ref = `:${ref[1]}`;
-		}
-
-		try {
-			return await repository.show(ref, path);
-		} catch (err) {
-			return '';
-		}
-	}
-
-	private cleanup(): void {
-		const now = new Date().getTime();
-		const cache = Object.create(null);
-
-		Object.keys(this.cache).forEach(key => {
-			const row = this.cache[key];
-			const { path } = fromGitUri(row.uri);
-			const isOpen = workspace.textDocuments
-				.filter(d => d.uri.scheme === 'file')
-				.some(d => pathEquals(d.uri.fsPath, path));
-
-			if (isOpen || now - row.timestamp < THREE_MINUTES) {
-				cache[row.uri.toString()] = row;
-			}
-		});
-
-		this.cache = cache;
-	}
-
-	dispose(): void {
-		this.disposables.forEach(d => d.dispose());
-	}
-}

extensions/git/src/main.ts

@@ -10,7 +10,6 @@ import { ExtensionContext, workspace, window, Disposable, commands, Uri, OutputC
 import { findGit, Git, IGit } from './git';
 import { Model } from './model';
 import { CommandCenter } from './commands';
-import { GitContentProvider } from './contentProvider';
 import { GitFileSystemProvider } from './fileSystemProvider';
 import { GitDecorations } from './decorationProvider';
 import { Askpass } from './askpass';
@@ -81,7 +80,6 @@ async function createModel(context: ExtensionContext, outputChannel: OutputChann
 
 	disposables.push(
 		new CommandCenter(git, model, outputChannel, telemetryReporter),
-		new GitContentProvider(model),
 		new GitFileSystemProvider(model),
 		new GitDecorations(model),
 		new GitProtocolHandler(),