public bool Uninstall(DotNetCoreSdk sdk)
{
Dictionary <SdkVersion, string> map;
if (sdk.Is64Bit)
{
map = x64UninstallComannds;
}
else
{
map = x86UninstallCommands;
}
string uninstallCommand;
if (!map.TryGetValue(sdk.Version, out uninstallCommand))
{
return(false);
}
var psi = new ProcessStartInfo(Environment.GetEnvironmentVariable("ComSpec"), "/c " + uninstallCommand)
{
CreateNoWindow = true,
UseShellExecute = false,
};
var p = Process.Start(psi);
p.WaitForExit();
return(true);
}
void CalculateKeep(bool keepOnlyLastVersionPerRuntime, IEnumerable <DotNetCoreSdk> installedSdksEnumerable, HashSet <SdkVersion> visualStudioVersions, HashSet <SdkVersion> visualStudioBands)
{
DotNetCoreSdk previous = null;
foreach (var sdk in installedSdksEnumerable.OrderByDescending(s => s.Version))
{
if (previous == null)
{
//Always keep the latest version.
SdksToKeep.Add(sdk);
}
else if (keepOnlyLastVersionPerRuntime && !previous.Version.IncludedRuntimeBand.Equals(sdk.Version.IncludedRuntimeBand))
{
SdksToKeep.Add(sdk);
}
else if (!keepOnlyLastVersionPerRuntime && !previous.Version.SdkVersionBand.Equals(sdk.Version.SdkVersionBand))
{
SdksToKeep.Add(sdk);
}
else //By the normal rules we do not want to keep this SDK, but Viusal Studio might want it.
{
if (visualStudioVersions.Contains(sdk.Version))
{
//Keep exact matching VS version in case Visual studio does not like it getting pulled out from under it.
SdksToKeep.Add(sdk);
SdksPinnedByVisualStudio.Add(sdk);
}
else if (visualStudioBands.Contains(sdk.Version.SdkVersionBand) && !previous.Version.SdkVersionBand.Equals(sdk.Version.SdkVersionBand))
{
//Keep the newest version in the version band that Visual Studio desires.
SdksToKeep.Add(sdk);
SdksPinnedByVisualStudio.Add(sdk);
}
else
{
SdksToDelete.Add(sdk);
}
}
previous = sdk;
}
}
private void DoCleanSdks()
{
var installedSdk = DotNetCoreSdk.GetInstalledSdks();
HashSet <SdkVersion> vsVersions;
if (IgnoreVisualStudio)
{
vsVersions = new HashSet <SdkVersion>();
}
else
{
vsVersions = VSCatalog.GetVsUsedVersions();
if (vsVersions.Count == 0)
{
//VS 2019 16.3 stops depending on .NET SDKs less than version 3.0. Instead it installs the
//shared .NET Core runtime and ASP.NET core runtimes without the associated SDKs.
//I think this means that while we can't pin SDKs from Visual Studio, there are no SDKs to pin,
//so we won't uninstall anything that is needed.
WriteWithColor(ConsoleColor.Yellow, "WARNING: Could not find any installed Visual Studio version.");
}
}
var delPlan = new DeletionPlan(KeepOnlyLastVersionPerRuntime, installedSdk, vsVersions);
Console.WriteLine("SDKs to keep:");
foreach (var sdk in delPlan.SdksToKeep)
{
Console.WriteLine("\t" + sdk);
}
Console.WriteLine();
if (delPlan.SdksPinnedByVisualStudio.Count != 0)
{
Console.WriteLine("Extra SDKs kept by Visual Studio:");
foreach (var sdk in delPlan.SdksPinnedByVisualStudio)
{
Console.WriteLine("\t" + sdk);
}
Console.WriteLine();
}
if (delPlan.SdksToDelete.Count == 0)
{
Console.WriteLine("No SDKs to delete.");
return;
}
else
{
Console.WriteLine("SDKs to delete:");
foreach (var sdk in delPlan.SdksToDelete)
{
Console.WriteLine("\t" + sdk);
}
Console.WriteLine();
}
if (DryRun)
{
return;
}
if (!Security.IsUserAdmin())
{
throw new ExitException("User is not an administrator, exiting.");
}
if (!Force)
{
Console.Write("Type 'yes' to delete these SDKs: ");
}
if (Force || Console.ReadLine() == "yes")
{
Console.WriteLine("Preparing to delete SDKs, please wait...");
var uninstaller = new Uninstaller();
foreach (var sdk in delPlan.SdksToDelete)
{
Console.WriteLine("\tUninstalling: " + sdk.ToString());
if (!uninstaller.Uninstall(sdk))
{
WriteWithColor(ConsoleColor.Yellow, "\tCould not find uninstall command.");
}
}
}
else
{
Console.WriteLine("Not cleaning SDKs per user request.");
}
}