public async Task <string[]> DownloadAsync(string packageFolder, string packageName, string packageVersion = null, bool includePrerelease = false,
NuGetFeed packageFeed = null, bool onlyDownload = false)
{
if (!Directory.Exists(packageFolder))
{
Directory.CreateDirectory(packageFolder);
}
var providers = GetNugetResourceProviders();
var settings = Settings.LoadDefaultSettings(packageFolder, null, new MachineWideSettings());
var packageSourceProvider = new PackageSourceProvider(settings);
var sourceRepositoryProvider = new SourceRepositoryProvider(packageSourceProvider, providers);
var dotNetFramework = Assembly
.GetEntryAssembly()
.GetCustomAttribute <TargetFrameworkAttribute>()?
.FrameworkName;
var frameworkNameProvider = new FrameworkNameProvider(
new[] { DefaultFrameworkMappings.Instance },
new[] { DefaultPortableFrameworkMappings.Instance });
var nuGetFramework = NuGetFramework.ParseFrameworkName(dotNetFramework, frameworkNameProvider);
IPackageSearchMetadata package = null;
SourceRepository sourceRepo = null;
if (!string.IsNullOrWhiteSpace(packageFeed?.Feed))
{
sourceRepo = GetSourceRepo(packageFeed, providers);
package = await SearchPackageAsync(packageName, packageVersion, includePrerelease, sourceRepo);
}
else
{
foreach (var repo in sourceRepositoryProvider.GetRepositories())
{
if (packageFeed != null && repo.PackageSource.Name != packageFeed.Name)
{
continue;
}
package = await SearchPackageAsync(packageName, packageVersion, includePrerelease, repo);
if (package != null)
{
sourceRepo = repo;
break;
}
}
}
if (package == null)
{
throw new PackageNotFoundException($"Couldn't find package '{packageVersion}'.{packageVersion}.");
}
var project = new PluginFolderNugetProject(packageFolder, package, nuGetFramework, onlyDownload);
var packageManager = new NuGetPackageManager(sourceRepositoryProvider, settings, packageFolder)
{
PackagesFolderNuGetProject = project
};
var clientPolicyContext = ClientPolicyContext.GetClientPolicy(settings, _logger);
var projectContext = new FolderProjectContext(_logger)
{
PackageExtractionContext = new PackageExtractionContext(
PackageSaveMode.Defaultv2,
PackageExtractionBehavior.XmlDocFileSaveMode,
clientPolicyContext,
_logger)
};
var resolutionContext = new ResolutionContext(
DependencyBehavior.Lowest,
includePrerelease,
includeUnlisted: false,
VersionConstraints.None);
var downloadContext = new PackageDownloadContext(
resolutionContext.SourceCacheContext,
packageFolder,
resolutionContext.SourceCacheContext.DirectDownload);
// We are waiting here instead of await as await actually doesn't seem to work correctly.
packageManager.InstallPackageAsync(
project,
package.Identity,
resolutionContext,
projectContext,
downloadContext,
sourceRepo,
new List <SourceRepository>(),
CancellationToken.None).Wait();
if (onlyDownload)
{
var versionFolder = Path.Combine(packageFolder, package.Identity.ToString());
return(Directory.GetFiles(versionFolder, "*.*", SearchOption.AllDirectories));
}
return(await project.GetPluginAssemblyFilesAsync());
}
public async Task <string[]> DownloadAsync(IPackageSearchMetadata packageIdentity, SourceRepository repository,
string downloadFolder, bool onlyDownload = false)
{
if (packageIdentity == null)
{
throw new ArgumentNullException(nameof(packageIdentity));
}
var providers = GetNugetResourceProviders();
var settings = Settings.LoadDefaultSettings(downloadFolder, null, new MachineWideSettings());
var packageSourceProvider = new PackageSourceProvider(settings);
var sourceRepositoryProvider = new SourceRepositoryProvider(packageSourceProvider, providers);
var dotNetFramework = Assembly
.GetEntryAssembly()
.GetCustomAttribute <TargetFrameworkAttribute>()?
.FrameworkName;
var frameworkNameProvider = new FrameworkNameProvider(
new[] { DefaultFrameworkMappings.Instance },
new[] { DefaultPortableFrameworkMappings.Instance });
var nuGetFramework = NuGetFramework.ParseFrameworkName(dotNetFramework, frameworkNameProvider);
var project = new PluginFolderNugetProject(downloadFolder, packageIdentity, nuGetFramework, onlyDownload);
var packageManager = new NuGetPackageManager(sourceRepositoryProvider, settings, downloadFolder)
{
PackagesFolderNuGetProject = project
};
var clientPolicyContext = ClientPolicyContext.GetClientPolicy(settings, _logger);
var projectContext = new FolderProjectContext(_logger)
{
PackageExtractionContext = new PackageExtractionContext(
PackageSaveMode.Defaultv2,
PackageExtractionBehavior.XmlDocFileSaveMode,
clientPolicyContext,
_logger)
};
var resolutionContext = new ResolutionContext(
DependencyBehavior.Lowest,
true,
includeUnlisted: false,
VersionConstraints.None);
var downloadContext = new PackageDownloadContext(
resolutionContext.SourceCacheContext,
downloadFolder,
resolutionContext.SourceCacheContext.DirectDownload);
await packageManager.InstallPackageAsync(
project,
packageIdentity.Identity,
resolutionContext,
projectContext,
downloadContext,
repository,
new List <SourceRepository>(),
CancellationToken.None);
var versionFolder = Path.Combine(downloadFolder, packageIdentity.Identity.ToString());
return(Directory.GetFiles(versionFolder, "*.*", SearchOption.AllDirectories));
}