extensions/git/src/fileSystemProvider.ts/GitFileSystemProvider/onDidChangeOriginalResource
class GitFileSystemProvider:	private onDidChangeOriginalResource({ uri }: OriginalResourceChangeEvent): void {
		if (uri.scheme !== 'file') {
			return;
		}

		const gitUri = toGitUri(uri, '', { replaceFileExtension: true });
		this.mtime = new Date().getTime();
		this._onDidChangeFile.fire([{ type: FileChangeType.Changed, uri: gitUri }]);
	}