Merge from vscode 1b314ab317fbff7d799b21754326b7d849889ceb

extensions/github-browser/src/changeStore.ts

@@ -47,31 +47,17 @@ function fromSerialized(operations: StoredOperation): Operation {
 	return { ...operations, uri: Uri.parse(operations.uri) };
 }
 
-interface CreatedFileChangeStoreEvent {
-	type: 'created';
+export interface ChangeStoreEvent {
+	type: 'created' | 'changed' | 'deleted';
 	rootUri: Uri;
 	uri: Uri;
 }
 
-interface ChangedFileChangeStoreEvent {
-	type: 'changed';
-	rootUri: Uri;
-	uri: Uri;
-}
-
-interface DeletedFileChangeStoreEvent {
-	type: 'deleted';
-	rootUri: Uri;
-	uri: Uri;
-}
-
-type ChangeStoreEvent = CreatedFileChangeStoreEvent | ChangedFileChangeStoreEvent | DeletedFileChangeStoreEvent;
-
 function toChangeStoreEvent(operation: Operation | StoredOperation, rootUri: Uri, uri?: Uri): ChangeStoreEvent {
 	return {
 		type: operation.type,
 		rootUri: rootUri,
-		uri: uri ?? (typeof operation.uri === 'string' ? Uri.parse(operation.uri) : operation.uri)
+		uri: uri ?? (typeof operation.uri === 'string' ? Uri.parse(operation.uri) : operation.uri),
 	};
 }
 
@@ -82,6 +68,8 @@ export interface IChangeStore {
 	discard(uri: Uri): Promise<void>;
 	discardAll(rootUri: Uri): Promise<void>;
 
+	hasChanges(rootUri: Uri): boolean;
+
 	getChanges(rootUri: Uri): Operation[];
 	getContent(uri: Uri): string | undefined;
 
@@ -116,9 +104,15 @@ export class ChangeStore implements IChangeStore, IWritableChangeStore {
 
 		await this.saveWorkingOperations(rootUri, undefined);
 
+		const events: ChangeStoreEvent[] = [];
+
 		for (const operation of operations) {
 			await this.discardWorkingContent(operation.uri);
-			this._onDidChange.fire(toChangeStoreEvent(operation, rootUri));
+			events.push(toChangeStoreEvent(operation, rootUri));
+		}
+
+		for (const e of events) {
+			this._onDidChange.fire(e);
 		}
 	}
 
@@ -143,7 +137,7 @@ export class ChangeStore implements IChangeStore, IWritableChangeStore {
 		this._onDidChange.fire({
 			type: operation.type === 'created' ? 'deleted' : operation.type === 'deleted' ? 'created' : 'changed',
 			rootUri: rootUri,
-			uri: uri
+			uri: uri,
 		});
 	}
 
@@ -152,9 +146,15 @@ export class ChangeStore implements IChangeStore, IWritableChangeStore {
 
 		await this.saveWorkingOperations(rootUri, undefined);
 
+		const events: ChangeStoreEvent[] = [];
+
 		for (const operation of operations) {
 			await this.discardWorkingContent(operation.uri);
-			this._onDidChange.fire(toChangeStoreEvent(operation, rootUri));
+			events.push(toChangeStoreEvent(operation, rootUri));
+		}
+
+		for (const e of events) {
+			this._onDidChange.fire(e);
 		}
 	}
 

extensions/github-browser/src/contextStore.ts

@@ -4,9 +4,13 @@
  *--------------------------------------------------------------------------------------------*/
 
 'use strict';
-import { Event, EventEmitter, Memento, Uri } from 'vscode';
+import { Event, EventEmitter, Memento, Uri, workspace } from 'vscode';
 
-export const contextKeyPrefix = 'github.context|';
+export interface WorkspaceFolderContext<T> {
+	context: T;
+	name: string;
+	folderUri: Uri;
+}
 
 export class ContextStore<T> {
 	private _onDidChange = new EventEmitter<Uri>();
@@ -14,23 +18,36 @@ export class ContextStore<T> {
 		return this._onDidChange.event;
 	}
 
-	constructor(private readonly memento: Memento, private readonly scheme: string) { }
+	constructor(
+		private readonly scheme: string,
+		private readonly originalScheme: string,
+		private readonly memento: Memento,
+	) { }
 
 	delete(uri: Uri) {
 		return this.set(uri, undefined);
 	}
 
 	get(uri: Uri): T | undefined {
-		return this.memento.get<T>(`${contextKeyPrefix}${uri.toString()}`);
+		return this.memento.get<T>(`${this.originalScheme}.context|${this.getOriginalResource(uri).toString()}`);
 	}
 
+	getForWorkspace(): WorkspaceFolderContext<T>[] {
+		const folders = workspace.workspaceFolders?.filter(f => f.uri.scheme === this.scheme || f.uri.scheme === this.originalScheme) ?? [];
+		return folders.map(f => ({ context: this.get(f.uri)!, name: f.name, folderUri: f.uri })).filter(c => c.context !== undefined);
+	}
 
 	async set(uri: Uri, context: T | undefined) {
-		if (uri.scheme !== this.scheme) {
-			throw new Error(`Invalid context scheme: ${uri.scheme}`);
-		}
-
-		await this.memento.update(`${contextKeyPrefix}${uri.toString()}`, context);
+		uri = this.getOriginalResource(uri);
+		await this.memento.update(`${this.originalScheme}.context|${uri.toString()}`, context);
 		this._onDidChange.fire(uri);
 	}
+
+	getOriginalResource(uri: Uri): Uri {
+		return uri.with({ scheme: this.originalScheme });
+	}
+
+	getWorkspaceResource(uri: Uri): Uri {
+		return uri.with({ scheme: this.scheme });
+	}
 }

extensions/github-browser/src/extension.ts

@@ -3,48 +3,50 @@
  *  Licensed under the Source EULA. See License.txt in the project root for license information.
  *--------------------------------------------------------------------------------------------*/
 
-import { ExtensionContext, Uri, workspace } from 'vscode';
+import { commands, ExtensionContext, Uri, window, workspace } from 'vscode';
 import { ChangeStore } from './changeStore';
 import { ContextStore } from './contextStore';
 import { VirtualFS } from './fs';
 import { GitHubApiContext, GitHubApi } from './github/api';
 import { GitHubFS } from './github/fs';
 import { VirtualSCM } from './scm';
+import { StatusBar } from './statusbar';
 
-// const repositoryRegex = /^(?:(?:https:\/\/)?github.com\/)?([^\/]+)\/([^\/]+?)(?:\/|.git|$)/i;
+const repositoryRegex = /^(?:(?:https:\/\/)?github.com\/)?([^\/]+)\/([^\/]+?)(?:\/|.git|$)/i;
 
-export function activate(context: ExtensionContext) {
-	const contextStore = new ContextStore<GitHubApiContext>(context.workspaceState, GitHubFS.scheme);
+export async function activate(context: ExtensionContext) {
+	const contextStore = new ContextStore<GitHubApiContext>('codespace', GitHubFS.scheme, context.workspaceState);
 	const changeStore = new ChangeStore(context.workspaceState);
 
 	const githubApi = new GitHubApi(contextStore);
 	const gitHubFS = new GitHubFS(githubApi);
-	const virtualFS = new VirtualFS('codespace', GitHubFS.scheme, contextStore, changeStore, gitHubFS);
+	const virtualFS = new VirtualFS('codespace', contextStore, changeStore, gitHubFS);
 
 	context.subscriptions.push(
 		githubApi,
 		gitHubFS,
 		virtualFS,
-		new VirtualSCM(GitHubFS.scheme, githubApi, changeStore)
+		new VirtualSCM(GitHubFS.scheme, githubApi, changeStore),
+		new StatusBar(contextStore, changeStore),
 	);
 
-	// commands.registerCommand('githubBrowser.openRepository', async () => {
-	// 	const value = await window.showInputBox({
-	// 		placeHolder: 'e.g. https://github.com/microsoft/vscode',
-	// 		prompt: 'Enter a GitHub repository url',
-	// 		validateInput: value => repositoryRegex.test(value) ? undefined : 'Invalid repository url'
-	// 	});
+	commands.registerCommand('githubBrowser.openRepository', async () => {
+		const value = await window.showInputBox({
+			placeHolder: 'e.g. https://github.com/microsoft/vscode',
+			prompt: 'Enter a GitHub repository url',
+			validateInput: value => repositoryRegex.test(value) ? undefined : 'Invalid repository url'
+		});
 
-	// 	if (value) {
-	// 		const match = repositoryRegex.exec(value);
-	// 		if (match) {
-	// 			const [, owner, repo] = match;
+		if (value) {
+			const match = repositoryRegex.exec(value);
+			if (match) {
+				const [, owner, repo] = match;
 
-	// 			const uri = Uri.parse(`codespace://HEAD/${owner}/${repo}`);
-	// 			openWorkspace(uri, repo, 'currentWindow');
-	// 		}
-	// 	}
-	// });
+				const uri = Uri.parse(`codespace://HEAD/${owner}/${repo}`);
+				openWorkspace(uri, repo, 'currentWindow');
+			}
+		}
+	});
 }
 
 export function getRelativePath(rootUri: Uri, uri: Uri) {
@@ -63,11 +65,16 @@ export function isDescendent(folderPath: string, filePath: string) {
 	return folderPath.length === 0 || filePath.startsWith(folderPath.endsWith('/') ? folderPath : `${folderPath}/`);
 }
 
-// function openWorkspace(uri: Uri, name: string, location: 'currentWindow' | 'newWindow' | 'addToCurrentWorkspace') {
-// 	if (location === 'addToCurrentWorkspace') {
-// 		const count = (workspace.workspaceFolders && workspace.workspaceFolders.length) || 0;
-// 		return workspace.updateWorkspaceFolders(count, 0, { uri: uri, name: name });
-// 	}
+const shaRegex = /^[0-9a-f]{40}$/;
+export function isSha(ref: string) {
+	return shaRegex.test(ref);
+}
 
-// 	return commands.executeCommand('vscode.openFolder', uri, location === 'newWindow');
-// }
+function openWorkspace(uri: Uri, name: string, location: 'currentWindow' | 'newWindow' | 'addToCurrentWorkspace') {
+	if (location === 'addToCurrentWorkspace') {
+		const count = (workspace.workspaceFolders && workspace.workspaceFolders.length) || 0;
+		return workspace.updateWorkspaceFolders(count, 0, { uri: uri, name: name });
+	}
+
+	return commands.executeCommand('vscode.openFolder', uri, location === 'newWindow');
+}

extensions/github-browser/src/fs.ts

@@ -43,26 +43,22 @@ export class VirtualFS implements FileSystemProvider, FileSearchProvider, TextSe
 
 	constructor(
 		readonly scheme: string,
-		private readonly originalScheme: string,
-		contextStore: ContextStore<GitHubApiContext>,
+		private readonly contextStore: ContextStore<GitHubApiContext>,
 		private readonly changeStore: IWritableChangeStore,
 		private readonly fs: FileSystemProvider & FileSearchProvider & TextSearchProvider
 	) {
 		// TODO@eamodio listen for workspace folder changes
-		for (const folder of workspace.workspaceFolders ?? []) {
-			const uri = this.getOriginalResource(folder.uri);
-
+		for (const context of contextStore.getForWorkspace()) {
 			// If we have a saved context, but no longer have any changes, reset the context
 			// We only do this on startup/reload to keep things consistent
-			if (contextStore.get(uri) !== undefined && !changeStore.hasChanges(folder.uri)) {
-				contextStore.delete(uri);
+			if (!changeStore.hasChanges(context.folderUri)) {
+				console.log('Clear context', context.folderUri.toString());
+				contextStore.delete(context.folderUri);
 			}
 		}
 
 		this.disposable = Disposable.from(
-			workspace.registerFileSystemProvider(scheme, this, {
-				isCaseSensitive: true,
-			}),
+			workspace.registerFileSystemProvider(scheme, this, { isCaseSensitive: true }),
 			workspace.registerFileSearchProvider(scheme, this),
 			workspace.registerTextSearchProvider(scheme, this),
 			changeStore.onDidChange(e => {
@@ -86,11 +82,11 @@ export class VirtualFS implements FileSystemProvider, FileSearchProvider, TextSe
 	}
 
 	private getOriginalResource(uri: Uri): Uri {
-		return uri.with({ scheme: this.originalScheme });
+		return this.contextStore.getOriginalResource(uri);
 	}
 
-	private getVirtualResource(uri: Uri): Uri {
-		return uri.with({ scheme: this.scheme });
+	private getWorkspaceResource(uri: Uri): Uri {
+		return this.contextStore.getWorkspaceResource(uri);
 	}
 
 	//#region FileSystemProvider
@@ -211,7 +207,7 @@ export class VirtualFS implements FileSystemProvider, FileSearchProvider, TextSe
 		return this.fs.provideTextSearchResults(
 			query,
 			{ ...options, folder: this.getOriginalResource(options.folder) },
-			{ report: (result: TextSearchResult) => progress.report({ ...result, uri: this.getVirtualResource(result.uri) }) },
+			{ report: (result: TextSearchResult) => progress.report({ ...result, uri: this.getWorkspaceResource(result.uri) }) },
 			token
 		);
 	}

extensions/github-browser/src/github/api.ts

@@ -6,14 +6,16 @@
 import { authentication, AuthenticationSession, Disposable, Event, EventEmitter, Range, Uri } from 'vscode';
 import { graphql } from '@octokit/graphql';
 import { Octokit } from '@octokit/rest';
-import { fromGitHubUri } from './fs';
 import { ContextStore } from '../contextStore';
+import { fromGitHubUri } from './fs';
+import { isSha } from '../extension';
 import { Iterables } from '../iterables';
 
-export const shaRegex = /^[0-9a-f]{40}$/;
-
 export interface GitHubApiContext {
-	sha: string;
+	requestRef: string;
+
+	branch: string;
+	sha: string | undefined;
 	timestamp: number;
 }
 
@@ -73,7 +75,7 @@ export class GitHubApi implements Disposable {
 			if (!providers.includes('github')) {
 				await new Promise(resolve => {
 					authentication.onDidChangeAuthenticationProviders(e => {
-						if (e.added.includes('github')) {
+						if (e.added.find(provider => provider.id === 'github')) {
 							resolve();
 						}
 					});
@@ -110,19 +112,12 @@ export class GitHubApi implements Disposable {
 	}
 
 	async commit(rootUri: Uri, message: string, operations: CommitOperation[]): Promise<string | undefined> {
-		let { owner, repo, ref } = fromGitHubUri(rootUri);
+		const { owner, repo } = fromGitHubUri(rootUri);
 
 		try {
-			if (ref === undefined || ref === 'HEAD') {
-				ref = await this.defaultBranchQuery(rootUri);
-				if (ref === undefined) {
-					throw new Error('Cannot commit — invalid ref');
-				}
-			}
-
 			const context = await this.getContext(rootUri);
 			if (context.sha === undefined) {
-				throw new Error('Cannot commit — invalid context');
+				throw new Error(`Cannot commit to Uri(${rootUri.toString(true)}); Invalid context sha`);
 			}
 
 			const hasDeletes = operations.some(op => op.type === 'deleted');
@@ -204,14 +199,14 @@ export class GitHubApi implements Disposable {
 				parents: [context.sha]
 			});
 
-			this.updateContext(rootUri, { sha: resp.data.sha, timestamp: Date.now() });
+			this.updateContext(rootUri, { ...context, sha: resp.data.sha, timestamp: Date.now() });
 
 			// TODO@eamodio need to send a file change for any open files
 
 			await github.git.updateRef({
 				owner: owner,
 				repo: repo,
-				ref: `heads/${ref}`,
+				ref: `heads/${context.branch}`,
 				sha: resp.data.sha
 			});
 
@@ -256,7 +251,7 @@ export class GitHubApi implements Disposable {
 				owner: owner,
 				repo: repo,
 				recursive: '1',
-				tree_sha: context?.sha ?? ref ?? 'HEAD',
+				tree_sha: context?.sha ?? ref,
 			});
 			return Iterables.filterMap(resp.data.tree, p => p.type === 'blob' ? p.path : undefined);
 		} catch (ex) {
@@ -283,7 +278,7 @@ export class GitHubApi implements Disposable {
 			}>(query, {
 				owner: owner,
 				repo: repo,
-				path: `${context.sha ?? ref ?? 'HEAD'}:${path}`,
+				path: `${context.sha ?? ref}:${path}`,
 			});
 			return rsp?.repository?.object ?? undefined;
 		} catch (ex) {
@@ -295,7 +290,7 @@ export class GitHubApi implements Disposable {
 		const { owner, repo, ref } = fromGitHubUri(uri);
 
 		try {
-			if (ref === undefined || ref === 'HEAD') {
+			if (ref === 'HEAD') {
 				const query = `query latest($owner: String!, $repo: String!) {
 	repository(owner: $owner, name: $repo) {
 		defaultBranchRef {
@@ -322,6 +317,7 @@ export class GitHubApi implements Disposable {
 				oid
 			}
 		}
+	}
 }`;
 
 			const rsp = await this.gqlQuery<{
@@ -345,7 +341,7 @@ export class GitHubApi implements Disposable {
 		const { owner, repo, ref } = fromGitHubUri(uri);
 
 		// If we have a specific ref, don't try to search, because GitHub search only works against the default branch
-		if (ref === undefined) {
+		if (ref !== 'HEAD') {
 			return { matches: [], limitHit: true };
 		}
 
@@ -436,29 +432,46 @@ export class GitHubApi implements Disposable {
 	private readonly rootUriToContextMap = new Map<string, GitHubApiContext>();
 
 	private async getContextCore(rootUri: Uri): Promise<GitHubApiContext> {
-		let context = this.rootUriToContextMap.get(rootUri.toString());
-		if (context === undefined) {
-			const { ref } = fromGitHubUri(rootUri);
-			if (ref !== undefined && shaRegex.test(ref)) {
-				context = { sha: ref, timestamp: Date.now() };
-			} else {
-				context = this.context.get(rootUri);
-				if (context?.sha === undefined) {
-					const sha = await this.latestCommitQuery(rootUri);
-					if (sha !== undefined) {
-						context = { sha: sha, timestamp: Date.now() };
-					} else {
-						context = undefined;
-					}
-				}
-			}
+		const key = rootUri.toString();
+		let context = this.rootUriToContextMap.get(key);
 
-			if (context !== undefined) {
-				this.updateContext(rootUri, context);
-			}
+		// Check if we have a cached a context
+		if (context?.sha !== undefined) {
+			return context;
 		}
 
-		return context ?? { sha: rootUri.authority, timestamp: Date.now() };
+		// Check if we have a saved context
+		context = this.context.get(rootUri);
+		if (context?.sha !== undefined) {
+			this.rootUriToContextMap.set(key, context);
+
+			return context;
+		}
+
+		const { ref } = fromGitHubUri(rootUri);
+
+		// If the requested ref looks like a sha, then use it
+		if (isSha(ref)) {
+			context = { requestRef: ref, branch: ref, sha: ref, timestamp: Date.now() };
+		} else {
+			let branch;
+			if (ref === 'HEAD') {
+				branch = await this.defaultBranchQuery(rootUri);
+				if (branch === undefined) {
+					throw new Error(`Cannot get context for Uri(${rootUri.toString(true)}); unable to get default branch`);
+				}
+			} else {
+				branch = ref;
+			}
+
+			// Query for the latest sha for the give ref
+			const sha = await this.latestCommitQuery(rootUri);
+			context = { requestRef: ref, branch: branch, sha: sha, timestamp: Date.now() };
+		}
+
+		this.updateContext(rootUri, context);
+
+		return context;
 	}
 
 	private updateContext(rootUri: Uri, context: GitHubApiContext) {

extensions/github-browser/src/github/fs.ts

@@ -299,7 +299,7 @@ function typenameToFileType(typename: string | undefined | null) {
 	}
 }
 
-type RepoInfo = { owner: string; repo: string; path: string | undefined; ref?: string };
+type RepoInfo = { owner: string; repo: string; path: string | undefined; ref: string };
 export function fromGitHubUri(uri: Uri): RepoInfo {
 	const [, owner, repo, ...rest] = uri.path.split('/');
 
@@ -311,7 +311,7 @@ export function fromGitHubUri(uri: Uri): RepoInfo {
 			ref = 'HEAD';
 		}
 	}
-	return { owner: owner, repo: repo, path: rest.join('/'), ref: ref };
+	return { owner: owner, repo: repo, path: rest.join('/'), ref: ref ?? 'HEAD' };
 }
 
 function getHashCode(s: string): number {

extensions/github-browser/src/iterables.ts

@@ -12,8 +12,9 @@ export namespace Iterables {
 	): Iterable<TMapped> {
 		for (const item of source) {
 			const mapped = predicateMapper(item);
-			// eslint-disable-next-line eqeqeq
-			if (mapped != null) { yield mapped; }
+			if (mapped !== undefined && mapped !== null) {
+				yield mapped;
+			}
 		}
 	}
 

extensions/github-browser/src/scm.ts

@@ -32,17 +32,15 @@ export class VirtualSCM implements Disposable {
 		// TODO@eamodio listen for workspace folder changes
 		for (const folder of workspace.workspaceFolders ?? []) {
 			this.createScmProvider(folder.uri, folder.name);
+
+			for (const operation of changeStore.getChanges(folder.uri)) {
+				this.update(folder.uri, operation.uri);
+			}
 		}
 
 		this.disposable = Disposable.from(
 			changeStore.onDidChange(e => this.update(e.rootUri, e.uri)),
 		);
-
-		for (const { uri } of workspace.workspaceFolders ?? []) {
-			for (const operation of changeStore.getChanges(uri)) {
-				this.update(uri, operation.uri);
-			}
-		}
 	}
 
 	dispose() {
@@ -50,7 +48,18 @@ export class VirtualSCM implements Disposable {
 	}
 
 	private registerCommands() {
-		commands.registerCommand('githubBrowser.commit', (...args: any[]) => this.commitChanges(args[0]));
+		commands.registerCommand('githubBrowser.commit', (sourceControl: SourceControl | undefined) => {
+			// TODO@eamodio remove this hack once I figure out why the args are missing
+			if (sourceControl === undefined && this.providers.length === 1) {
+				sourceControl = this.providers[0].sourceControl;
+			}
+
+			if (sourceControl === undefined) {
+				return;
+			}
+
+			this.commitChanges(sourceControl);
+		});
 
 		commands.registerCommand('githubBrowser.discardChanges', (resourceState: SourceControlResourceState) =>
 			this.discardChanges(resourceState.resourceUri)

extensions/github-browser/src/statusbar.ts

@@ -0,0 +1,99 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the Source EULA. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+'use strict';
+import { Disposable, StatusBarAlignment, StatusBarItem, Uri, window, workspace } from 'vscode';
+import { ChangeStoreEvent, IChangeStore } from './changeStore';
+import { GitHubApiContext } from './github/api';
+import { isSha } from './extension';
+import { ContextStore, WorkspaceFolderContext } from './contextStore';
+
+export class StatusBar implements Disposable {
+	private readonly disposable: Disposable;
+
+	private readonly items = new Map<string, StatusBarItem>();
+
+	constructor(
+		private readonly contextStore: ContextStore<GitHubApiContext>,
+		private readonly changeStore: IChangeStore
+	) {
+		this.disposable = Disposable.from(
+			contextStore.onDidChange(this.onContextsChanged, this),
+			changeStore.onDidChange(this.onChanged, this)
+		);
+
+		for (const context of this.contextStore.getForWorkspace()) {
+			this.createOrUpdateStatusBarItem(context);
+		}
+	}
+
+	dispose() {
+		this.disposable?.dispose();
+		this.items.forEach(i => i.dispose());
+	}
+
+	private createOrUpdateStatusBarItem(wc: WorkspaceFolderContext<GitHubApiContext>) {
+		let item = this.items.get(wc.folderUri.toString());
+		if (item === undefined) {
+			item = window.createStatusBarItem({
+				id: `githubBrowser.branch:${wc.folderUri.toString()}`,
+				name: `GitHub Browser: ${wc.name}`,
+				alignment: StatusBarAlignment.Left,
+				priority: 1000
+			});
+		}
+
+		if (isSha(wc.context.branch)) {
+			item.text = `$(git-commit) ${wc.context.branch.substr(0, 8)}`;
+			item.tooltip = `${wc.name} \u2022 ${wc.context.branch.substr(0, 8)}`;
+		} else {
+			item.text = `$(git-branch) ${wc.context.branch}`;
+			item.tooltip = `${wc.name} \u2022 ${wc.context.branch}${wc.context.sha ? ` @ ${wc.context.sha?.substr(0, 8)}` : ''}`;
+		}
+
+		const hasChanges = this.changeStore.hasChanges(wc.folderUri);
+		if (hasChanges) {
+			item.text += '*';
+		}
+
+		item.show();
+
+		this.items.set(wc.folderUri.toString(), item);
+	}
+
+	private onContextsChanged(uri: Uri) {
+		const folder = workspace.getWorkspaceFolder(this.contextStore.getWorkspaceResource(uri));
+		if (folder === undefined) {
+			return;
+		}
+
+		const context = this.contextStore.get(uri);
+		if (context === undefined) {
+			return;
+		}
+
+		this.createOrUpdateStatusBarItem({
+			context: context,
+			name: folder.name,
+			folderUri: folder.uri,
+		});
+	}
+
+	private onChanged(e: ChangeStoreEvent) {
+		const item = this.items.get(e.rootUri.toString());
+		if (item !== undefined) {
+			const hasChanges = this.changeStore.hasChanges(e.rootUri);
+			if (hasChanges) {
+				if (!item.text.endsWith('*')) {
+					item.text += '*';
+				}
+			} else {
+				if (item.text.endsWith('*')) {
+					item.text = item.text.substr(0, item.text.length - 1);
+				}
+			}
+		}
+	}
+}