static IPackage FindPackage(string packageId, string packageVersion, Uri feed,
out global::NuGet.PackageDownloader downloader)
{
var remoteRepository = PackageRepositoryFactory.Default.CreateRepository(feed.AbsoluteUri);
var dspr = remoteRepository as DataServicePackageRepository;
downloader = dspr != null ? dspr.PackageDownloader : null;
var requiredVersion = new SemanticVersion(packageVersion);
var package = remoteRepository.FindPackage(packageId, requiredVersion, true, true);
if (package == null)
{
throw new Exception(string.Format("Could not find package {0} {1} in feed: '{2}'", packageId,
packageVersion, feed));
}
if (!requiredVersion.Equals(package.Version))
{
var message =
string.Format(
"The package version '{0}' returned from the package repository doesn't match the requested package version '{1}'.",
package.Version, requiredVersion);
throw new Exception(message);
}
return(package);
}
static void DownloadPackage(IPackage package, string fullPathToDownloadTo, global::NuGet.PackageDownloader directDownloader)
{
Log.VerboseFormat("Found package {0} version {1}", package.Id, package.Version);
Log.Verbose("Downloading to: " + fullPathToDownloadTo);
var dsp = package as DataServicePackage;
if (dsp != null && directDownloader != null)
{
Log.Verbose("A direct download is possible; bypassing the NuGet machine cache");
using (var targetFile = new FileStream(fullPathToDownloadTo, FileMode.CreateNew))
directDownloader.DownloadPackage(dsp.DownloadUrl, dsp, targetFile);
return;
}
var physical = new PhysicalFileSystem(Path.GetDirectoryName(fullPathToDownloadTo));
var local = new LocalPackageRepository(new FixedFilePathResolver(package.Id, fullPathToDownloadTo), physical);
local.AddPackage(package);
}
