Function find_executable

crates/cli/src/detect.rs:6–12

Find an executable in the `PATH`.

(exe_name: impl AsRef<Path>)

/// Find an executable in the `PATH`.
pub(crate) fn find_executable(exe_name: impl AsRef<Path>) -> Option<std::path::PathBuf> {
    std::env::var_os("PATH").and_then(|paths| {
        std::env::split_paths(&paths)
            .map(|dir| dir.join(&exe_name))
            .find(|x| x.is_file())
    })
}

/// Check if `rustup` is installed (aka: Is in the `PATH`).
pub(crate) fn has_rust_up() -> bool {