public override int Execute()
{
IEnumerable <WorkloadId> installedList = _workloadListHelper.InstalledSdkWorkloadIds;
if (_machineReadableOption)
{
_workloadListHelper.CheckTargetSdkVersionIsValid();
UpdateAvailableEntry[] updateAvailable = GetUpdateAvailable(installedList);
ListOutput listOutput = new(installedList.Select(id => id.ToString()).ToArray(),
updateAvailable);
Reporter.WriteLine("==workloadListJsonOutputStart==");
Reporter.WriteLine(
JsonSerializer.Serialize(listOutput,
new JsonSerializerOptions {
PropertyNamingPolicy = JsonNamingPolicy.CamelCase
}));
Reporter.WriteLine("==workloadListJsonOutputEnd==");
}
else
{
InstalledWorkloadsCollection installedWorkloads = _workloadListHelper.AddInstalledVsWorkloads(installedList);
Reporter.WriteLine();
PrintableTable <KeyValuePair <string, string> > table = new();
table.AddColumn(LocalizableStrings.WorkloadIdColumn, workload => workload.Key);
table.AddColumn(LocalizableStrings.WorkloadSourceColumn, workload => workload.Value);
table.PrintRows(installedWorkloads.AsEnumerable(), l => Reporter.WriteLine(l));
Reporter.WriteLine();
Reporter.WriteLine(LocalizableStrings.WorkloadListFooter);
Reporter.WriteLine();
var updatableWorkloads = _workloadManifestUpdater.GetUpdatableWorkloadsToAdvertise(installedList).Select(workloadId => workloadId.ToString());
if (updatableWorkloads.Any())
{
Reporter.WriteLine(string.Format(LocalizableStrings.WorkloadUpdatesAvailable, string.Join(" ", updatableWorkloads)));
Reporter.WriteLine();
}
}
return(0);
}
internal static void GetInstalledWorkloads(IWorkloadResolver workloadResolver, SdkFeatureBand sdkFeatureBand,
InstalledWorkloadsCollection installedWorkloads)
{
IEnumerable <string> visualStudioWorkloadIds = GetAvailableVisualStudioWorkloads(workloadResolver);
HashSet <string> installedWorkloadComponents = new();
// Visual Studio instances contain a large set of packages and we have to perform a linear
// search to determine whether a matching SDK was installed and look for each installable
// workload from the SDK. The search is optimized to only scan each set of packages once.
foreach (ISetupInstance2 instance in GetVisualStudioInstances())
{
ISetupPackageReference[] packages = instance.GetPackages();
bool hasMatchingSdk = false;
installedWorkloadComponents.Clear();
for (int i = 0; i < packages.Length; i++)
{
string packageId = packages[i].GetId();
if (string.IsNullOrWhiteSpace(packageId))
{
// Visual Studio already verifies the setup catalog at build time. If the package ID is empty
// the catalog is likely corrupted.
continue;
}
if (packageId.StartsWith(s_visualStudioSdkPackageIdPrefix))
{
// After trimming the package prefix we should be left with a valid semantic version. If we can't
// parse the version we'll skip this instance.
if (!ReleaseVersion.TryParse(packageId.Substring(s_visualStudioSdkPackageIdPrefix.Length),
out ReleaseVersion visualStudioSdkVersion))
{
break;
}
SdkFeatureBand visualStudioSdkFeatureBand = new SdkFeatureBand(visualStudioSdkVersion);
// The feature band of the SDK in VS must match that of the SDK on which we're running.
if (!visualStudioSdkFeatureBand.Equals(sdkFeatureBand))
{
break;
}
hasMatchingSdk = true;
continue;
}
if (visualStudioWorkloadIds.Contains(packageId, StringComparer.OrdinalIgnoreCase))
{
// Normalize back to an SDK style workload ID.
installedWorkloadComponents.Add(packageId.Replace('.', '-'));
}
}
if (hasMatchingSdk)
{
foreach (string id in installedWorkloadComponents)
{
installedWorkloads.Add(id, $"VS {instance.GetInstallationVersion()}");
}
}
}
}