This program uninstalls .NET SDKs and runtimes. It is most useful on macOS where there is no package manager to uninstall old versions of SDKs when upgrading to new versions.

This program supports uninstalling .NET Core 3.0 and later SDKs and runtimes.

The policy for deciding which SDKs and runtimes to keep is simple: the latest version of each major version is kept and all others are deleted. The dependency of SDK on runtime is also taken into account when deciding which versions of runtimes to keep.

• Consider invoking dotnet workload clean after cleaning SDKs
• Unify the definitions of paths for detecting installed versions and deleting installed version
• Add more asserts to the VersionMap class that ensure this program's assumptions about the mappings between different versions of components is correct. Specifically that there is a one-to-one relationship between runtime versions and ASP.NET versions.
• Docs
• Detect that the current user does not have permission to delete files instead of just crashing. Perhaps automatically attempt to elevate permissions using sudo?
• Publish prebuilt binaries, maybe using an automated GitHub Actions build?

Versions of the .NET Core framework prior to version 3 had their own unique challenges. Specifically they contained a NugetFallbackFolder directory that would only ever grow in size.

Given that the last version of the SDK with this problem are out of support as of 2019, this program does not currently support cleaning up these versions. For the Windows-specific version of this program that cleaned up that mess, see the netcore2 branch.