From daa8cce0b8f17c1cff4c44a03370710579685912 Mon Sep 17 00:00:00 2001
From: Joao Moreno <jomo@microsoft.com>
Date: Wed, 11 Jan 2017 15:21:52 +0100
Subject: [PATCH] git: react to fs events

---
 extensions/git/src/main.ts        | 38 ++++++++++++++++++++++++++++++-
 extensions/git/src/model.ts       | 23 ++++---------------
 extensions/git/src/scmProvider.ts |  2 +-
 3 files changed, 43 insertions(+), 20 deletions(-)

diff --git a/extensions/git/src/main.ts b/extensions/git/src/main.ts
index 3ec286a7658..97a4e237a39 100644
--- a/extensions/git/src/main.ts
+++ b/extensions/git/src/main.ts
@@ -11,7 +11,9 @@ import { findGit, Git } from './git';
 import { Model } from './model';
 import { GitSCMProvider } from './scmProvider';
 import { registerCommands } from './commands';
+import { anyEvent, throttle } from './util';
 import * as nls from 'vscode-nls';
+import { decorate, debounce } from 'core-decorators';
 
 nls.config();
 
@@ -36,6 +38,37 @@ class TextDocumentContentProvider {
 	}
 }
 
+class Watcher {
+
+	private disposables: Disposable[];
+
+	constructor(private model: Model) {
+		const fsWatcher = workspace.createFileSystemWatcher('**');
+		const onFSChange = anyEvent(fsWatcher.onDidChange, fsWatcher.onDidCreate, fsWatcher.onDidDelete);
+
+		this.disposables = [
+			fsWatcher,
+			onFSChange(this.eventuallyUpdateModel, this)
+		];
+	}
+
+	@debounce(1000)
+	private eventuallyUpdateModel(): void {
+		this.updateModelAndWait();
+	}
+
+	@decorate(throttle)
+	private async updateModelAndWait(): Promise<void> {
+		console.log('UPDATE');
+		await this.model.update();
+		await new Promise(c => setTimeout(c, 8000));
+	}
+
+	dispose(): void {
+		this.disposables.forEach(d => d.dispose());
+	}
+}
+
 async function init(disposables: Disposable[]): Promise<void> {
 	const rootPath = workspace.rootPath;
 
@@ -55,11 +88,14 @@ async function init(disposables: Disposable[]): Promise<void> {
 	outputChannel.appendLine(`Using git ${info.version} from ${info.path}`);
 	git.onOutput(str => outputChannel.append(str), null, disposables);
 
+	const watcher = new Watcher(model);
+
 	disposables.push(
 		registerCommands(model),
 		scm.registerSCMProvider('git', provider),
 		workspace.registerTextDocumentContentProvider('git-index', new TextDocumentContentProvider(git, rootPath)),
-		outputChannel
+		outputChannel,
+		watcher
 	);
 }
 
diff --git a/extensions/git/src/model.ts b/extensions/git/src/model.ts
index 167314813e1..1a2767c7733 100644
--- a/extensions/git/src/model.ts
+++ b/extensions/git/src/model.ts
@@ -203,21 +203,8 @@ export class Model {
 		return this._remotes;
 	}
 
-	update(now = false): void {
-		if (now) {
-			this.updateNow();
-		} else {
-			this.eventuallyUpdate();
-		}
-	}
-
-	@debounce(500)
-	private eventuallyUpdate(): void {
-		this.updateNow();
-	}
-
 	@decorate(throttle)
-	private async updateNow(): Promise<void> {
+	async update(): Promise<void> {
 		const status = await this.repository.getStatus();
 		let HEAD: IRef | undefined;
 
@@ -286,13 +273,13 @@ export class Model {
 	async stage(...resources: Resource[]): Promise<void> {
 		const paths = resources.map(r => r.uri.fsPath);
 		await this.repository.add(paths);
-		await this.updateNow();
+		await this.update();
 	}
 
 	async unstage(...resources: Resource[]): Promise<void> {
 		const paths = resources.map(r => r.uri.fsPath);
 		await this.repository.revertFiles('HEAD', paths);
-		await this.updateNow();
+		await this.update();
 	}
 
 	async commit(message: string, opts: { all?: boolean, amend?: boolean, signoff?: boolean } = Object.create(null)): Promise<void> {
@@ -301,7 +288,7 @@ export class Model {
 		}
 
 		await this.repository.commit(message, opts);
-		await this.updateNow();
+		await this.update();
 	}
 
 	async clean(...resources: Resource[]): Promise<void> {
@@ -332,6 +319,6 @@ export class Model {
 		}
 
 		await Promise.all(promises);
-		await this.updateNow();
+		await this.update();
 	}
 }
\ No newline at end of file
diff --git a/extensions/git/src/scmProvider.ts b/extensions/git/src/scmProvider.ts
index cf665062abb..67d89c8a189 100644
--- a/extensions/git/src/scmProvider.ts
+++ b/extensions/git/src/scmProvider.ts
@@ -18,7 +18,7 @@ export class GitSCMProvider implements SCMProvider {
 	get label(): string { return 'Git'; }
 
 	constructor(private model: Model) {
-		model.update(true);
+		model.update();
 	}
 
 	commit(message: string): Thenable<void> {
-- 
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