Struct Environment 

pub struct Environment<'a> {
    pub root: Result<AppRoot, String>,
    pub path_var: Option<&'a OsStr>,
    pub cwd: &'a Path,
    pub start: &'a Path,
    pub is_set: &'a dyn Fn(&str) -> bool,
}

What a run reads from the process.

Fields

root: Result<AppRoot, String>

AppRoot::resolve(), its error rendered with Display.

path_var: Option<&'a OsStr>

cwd: &'a Path

The process’s current directory.

start: &'a Path

The current directory, or cwd.join(--repo).

is_set: &'a dyn Fn(&str) -> bool

Whether an environment variable is set.