public static async Task Extract (
Solution solution,
PackageIdentity packageIdentity,
DownloadResourceResult downloadResult,
CancellationToken token)
{
string globalPackagesFolder = await GetPackagesDirectory (solution);
var defaultPackagePathResolver = new VersionFolderPathResolver (globalPackagesFolder);
string hashPath = defaultPackagePathResolver.GetHashPath (packageIdentity.Id, packageIdentity.Version);
if (File.Exists (hashPath))
return;
var versionFolderPathContext = new VersionFolderPathContext (
packageIdentity,
globalPackagesFolder,
NullLogger.Instance,
PackageSaveMode.Defaultv3,
PackageExtractionBehavior.XmlDocFileSaveMode);
downloadResult.PackageStream.Position = 0;
await PackageExtractor.InstallFromSourceAsync (
stream => downloadResult.PackageStream.CopyToAsync (stream, BufferSize, token),
versionFolderPathContext,
token);
}
public override async Task<bool> InstallPackageAsync (
PackageIdentity packageIdentity,
DownloadResourceResult downloadResourceResult,
INuGetProjectContext nuGetProjectContext,
CancellationToken token)
{
return await Runtime.RunInMainThread (async () => {
// Check if this NuGet package is already installed and should be removed.
PackageReference existingPackageReference = project.FindPackageReference (packageIdentity);
if (existingPackageReference != null) {
if (ShouldRemoveExistingPackageReference (existingPackageReference, packageIdentity)) {
project.PackageReferences.Remove (existingPackageReference);
} else {
nuGetProjectContext.Log (
MessageLevel.Info,
GettextCatalog.GetString ("Package '{0}' already installed.", packageIdentity));
return true;
}
}
bool developmentDependency = false;
if (IsNuGetBuildPackagingPackage (packageIdentity)) {
await GlobalPackagesExtractor.Extract (project.ParentSolution, packageIdentity, downloadResourceResult, token);
developmentDependency = true;
GenerateNuGetBuildPackagingTargets (packageIdentity);
}
var packageReference = new PackageReference (packageIdentity);
if (developmentDependency)
packageReference.PrivateAssets = "All";
project.PackageReferences.Add (packageReference);
await SaveProject ();
return true;
});
}
public override Task<bool> InstallPackageAsync(PackageIdentity packageIdentity, DownloadResourceResult downloadResourceResult,
INuGetProjectContext nuGetProjectContext, CancellationToken token)
{
return Task.FromResult(true);
}
// This gets called for every package install, including dependencies, and is our only chance to handle dependency PackageIdentity instances
public override Task<bool> InstallPackageAsync(PackageIdentity packageIdentity, DownloadResourceResult downloadResourceResult,
INuGetProjectContext nuGetProjectContext, CancellationToken token)
{
_packageIdentities.Add(packageIdentity);
return base.InstallPackageAsync(packageIdentity, downloadResourceResult, nuGetProjectContext, token);
}
public override Task<bool> InstallPackageAsync (PackageIdentity packageIdentity, DownloadResourceResult downloadResourceResult, INuGetProjectContext nuGetProjectContext, CancellationToken token)
{
throw new NotImplementedException ();
}
