private static async Task DownloadPackages(string[] sources)
{
var d = new NuGetPackageDownloader.NuGetDownloader(Framework,
DownloadDirectory,
includePrerelease: IncludePrerelease,
recursive: Recursive,
extract: Extract,
sources: sources);
Stopwatch sw = Stopwatch.StartNew();
try
{
if (DownloadInParallel)
{
ParallelDownload(d, sw);
}
else
{
await SynchronousDownload(d, sw);
}
}
finally
{
Console.WriteLine(sw.Elapsed);
}
}
private static void Main(string[] args)
{
var downloader = new NuGetPackageDownloader.NuGetDownloader(TargetFramework.NetCoreApp3_1);
ParserResult <object> parseResult = new Parser(with => with.HelpWriter = null)
.ParseArguments <DownloadCommand, ExtractCommand, VersionCommand>(args);
parseResult
.WithParsed <DownloadCommand>(async opts =>
{
if (Enum.TryParse(opts.Framework.Trim(), true, out TargetFramework framework))
{
await downloader.DownloadPackageAsync(opts.Name.Trim());
}
})
.WithParsed <ExtractCommand>(async opts =>
{
if (Enum.TryParse(opts.Framework.Trim(), true, out TargetFramework framework))
{
await downloader.DownloadPackageAsync(opts.Name.Trim());
}
})
.WithParsed <VersionCommand>(async opts =>
{
var metadata = new NuGetMetadata();
var versions = await metadata.GetPackageVersionsAsync(opts.Name.Trim());
foreach (string version in versions)
{
Console.WriteLine(version);
}
})
.WithNotParsed(errs => HelpContent.DisplayHelp(parseResult, errs));
}
private static void ParallelDownload(NuGetPackageDownloader.NuGetDownloader downloader, Stopwatch sw)
{
Parallel.ForEach(Packages, (package) =>
{
downloader.DownloadPackageAsync(package).GetAwaiter().GetResult();
Console.WriteLine($"[{sw.Elapsed}] Downloading {package}...");
});
}
private static async Task SynchronousDownload(NuGetPackageDownloader.NuGetDownloader downloader, Stopwatch sw)
{
foreach (string package in Packages)
{
Console.WriteLine($"[{sw.Elapsed}] Downloading {package}...");
await downloader.DownloadPackageAsync(package);
}
}
private static async Task GetPackageDependencies(string[] sources)
{
var deps = new NuGetPackageDownloader.NuGetDownloader(Framework,
DownloadDirectory,
recursive: true,
sources: sources);
foreach (string package in Packages)
{
Console.WriteLine($"{package} dependencies");
var dependencies = await deps.GetPackageDependenciesAsync(package);
foreach (NuGetPackage dependency in dependencies)
{
Console.WriteLine($" {dependency.Id} ({dependency.Version})");
}
}
}