src/vs/workbench/api/browser/mainThreadSCM.ts/MainThreadSCMProvider/$updateSourceControl
class MainThreadSCMProvider:	$updateSourceControl(features: SCMProviderFeatures): void {
		this.features = { ...this.features, ...features };
		this._onDidChange.fire();

		if (typeof features.commitTemplate !== 'undefined') {
			this._onDidChangeCommitTemplate.fire(this.commitTemplate!);
		}

		if (typeof features.statusBarCommands !== 'undefined') {
			this._onDidChangeStatusBarCommands.fire(this.statusBarCommands!);
		}
	}