extensions/github/src/links.ts/isFileInRepo
export function isFileInRepo(repository: Repository, file: vscode.Uri): boolean {
	return file.path.toLowerCase() === repository.rootUri.path.toLowerCase() ||
		(file.path.toLowerCase().startsWith(repository.rootUri.path.toLowerCase()) &&
			file.path.substring(repository.rootUri.path.length).startsWith('/'));
}