protected override IEnumerable <ICommandOutput> ExecuteCore()
{
var targetDescriptor = HostEnvironment.GetOrCreateScopedDescriptor(Scope ?? string.Empty);
yield return(VerifyDescriptor(targetDescriptor));
yield return(VerifyProjectRepository());
yield return(SetupEnvironmentForAdd());
var sourceRepositories = GetSourceRepositories();
if (Project && System)
{
var sysToAdd = new List <PackageIdentifier>();
using (ChangeMonitor(targetDescriptor))
{
foreach (var m in PackageManager.AddProjectPackage(PackageRequest, sourceRepositories, targetDescriptor.Value, HostEnvironment.ProjectRepository, AddOptions))
{
yield return(ToOutput(m));
ParseSuccess(m, sysToAdd.Add);
}
foreach (var identifier in sysToAdd)
{
foreach (var m in PackageManager.AddSystemPackage(PackageRequest.Exact(identifier.Name, identifier.Version), sourceRepositories, HostEnvironment.SystemRepository))
{
yield return(ToOutput(m));
}
}
}
}
else if (Project)
{
using (ChangeMonitor(targetDescriptor))
{
foreach (var m in PackageManager.AddProjectPackage(PackageRequest, sourceRepositories, targetDescriptor.Value, HostEnvironment.ProjectRepository, AddOptions))
{
yield return(ToOutput(m));
}
}
}
else if (System)
{
foreach (var m in PackageManager.AddSystemPackage(PackageRequest, sourceRepositories, HostEnvironment.SystemRepository, AddOptions))
{
yield return(ToOutput(m));
}
}
if (_packageNotFound)
{
var hit = false;
foreach (var m in PackageManager.ListPackages(sourceRepositories, Name))
{
if (!hit)
{
yield return(new Info("Did you mean one of the following package?", Name));
hit = true;
}
yield return(ToOutput(m));
}
}
if (ShouldUpdateDescriptor)
{
TrySaveDescriptorFile(targetDescriptor);
}
}