CheckRecover checks the value of cause, calling the given callback if it's an exitCode error.

Exit exits with the given code and error message.

ExitCause exits with the given code and error message, automatically wrapping the underlying error passed as well.

HandleExitWithCode handles panics of type exitCode, printing the status message and existing with the given exit code, or re-raising if not an exitCode error.

PrintEnv prints the path with the corresponding env variable, so that you can source the output like `source $(fetch-envtest switch -p env 1.20.x)`.

PrintOverview prints human-readable data, including path, version, arch, and checksum (when available).

PrintPath prints *only* the path, with no decoration.

Env represents an environment for downloading and otherwise manipulating envtest binaries.

PrintFormat indicates how to print out fetch and switch results.