public async Task Execute() { if (fileSystemOperations.DirectoryExists(destination)) { Log.Warning("UEFI was already downloaded. Skipping download."); return; } using (var stream = await githubCient.Open("https://github.com/andreiw/RaspberryPiPkg")) { var zipArchive = await Observable.Start(() => new ZipArchive(stream, ZipArchiveMode.Read)); var mostRecentFolderEntry = GetMostRecentDirEntry(zipArchive); var contents = zipArchive.Entries.Where(x => x.FullName.StartsWith(mostRecentFolderEntry.FullName) && !x.FullName.EndsWith("/")); await ExtractContents(mostRecentFolderEntry, contents); } }