private IEnumerable <PackageIdentity> CreatePackageIdentityFromNupkgPath() { PackageIdentity identity = null; IPackage package = null; try { // Example: install-package2 https://az320820.vo.msecnd.net/packages/microsoft.aspnet.mvc.4.0.20505.nupkg if (_isHttp) { PackageIdentity packageIdentity = ParsePackageIdentityFromHttpSource(Id); IPackageCacheRepository packageCache = this.Projects.FirstOrDefault().TryGetFeature <IPackageCacheRepository>(); IPackageName packageName = CoreConverters.SafeToPackageName(packageIdentity); SemanticVersion packageSemVer = CoreConverters.SafeToSemanticVersion(packageIdentity.Version); Uri downloadUri = new Uri(Id); PackageDownloader downloader = new PackageDownloader(); // Try to download the package through the cache. bool success = packageCache.InvokeOnPackage( packageIdentity.Id, packageSemVer, (targetStream) => downloader.DownloadPackage( new HttpClient(downloadUri), packageName, targetStream)); if (success) { // Try to get it from the cache again package = packageCache.FindPackage(packageIdentity.Id, packageSemVer); } } else { // Example: install-package2 c:\temp\packages\jQuery.1.10.2.nupkg string fullPath = Path.GetFullPath(Id); package = new OptimizedZipPackage(fullPath); } if (package != null) { Id = package.Id; Version = package.Version.ToString(); identity = new PackageIdentity(Id, NuGetVersion.Parse(Version)); } } catch (Exception ex) { Log(MessageLevel.Error, Resources.Cmdlet_FailToParsePackages, Id, ex.Message); } return(new List <PackageIdentity>() { identity }); }
internal static IPackage GetPackage(IPackageCacheRepository packageCache, PackageIdentity packageIdentity, Uri downloadUri) { var packageSemVer = CoreConverters.SafeToSemanticVersion(packageIdentity.Version); var packageName = CoreConverters.SafeToPackageName(packageIdentity); var downloader = new PackageDownloader(); IPackage package = null; if (packageCache != null) { package = packageCache.FindPackage(packageName.Id, packageSemVer); if (package != null) { NuGetTraceSources.ActionExecutor.Info( "download/cachehit", "[{0}] Download: Cache Hit!", packageIdentity); // Success! return(package); } if (downloadUri == null) { throw new InvalidOperationException(String.Format( CultureInfo.CurrentCulture, Strings.DownloadActionHandler_NoDownloadUrl, packageIdentity)); } // Try to download the package through the cache. bool success = packageCache.InvokeOnPackage( packageIdentity.Id, packageSemVer, (targetStream) => downloader.DownloadPackage( new HttpClient(downloadUri), packageName, targetStream)); if (success) { NuGetTraceSources.ActionExecutor.Info( "download/downloadedtocache", "[{0}] Download: Downloaded to cache", packageName); // Try to get it from the cache again package = packageCache.FindPackage(packageIdentity.Id, packageSemVer); } } // Either: // 1. We failed to load the package into the cache, which can happen when // access to the %LocalAppData% directory is blocked, // e.g. on Windows Azure Web Site build OR // B. It was purged from the cache before it could be retrieved again. // Regardless, the cache isn't working for us, so download it in to memory. if (package == null) { NuGetTraceSources.ActionExecutor.Info( "download/cachefailing", "[{0}] Download: Cache isn't working. Downloading to RAM", packageName); using (var targetStream = new MemoryStream()) { downloader.DownloadPackage( new HttpClient(downloadUri), packageName, targetStream); targetStream.Seek(0, SeekOrigin.Begin); package = new ZipPackage(targetStream); } } return(package); }