Enum Target 

pub enum Target {
    Tool(&'static Tool, Vec<OsString>),
    Repo(Vec<OsString>),
}

What an invocation turned out to be.

Variants

Tool(&'static Tool, Vec<OsString>)

A tool, with its own argument vector: argv[0] is the tool’s name whichever way it was reached.

Repo(Vec<OsString>)

The repository-named entry point itself (--help, --version, doctor), with the arguments as given.