Function run_in_dir 

pub fn run_in_dir<I, T>(args: I, dir: &Path) -> Result<i32>
where
    I: IntoIterator<Item = T>,
    T: Into<OsString> + Clone,

Parse explicit args and run against dir.

args must include argv[0] as first item.

Errors

Returns an error when project detection fails, command execution fails, or writing clap output fails.

Argument parsing/help/version flows are rendered by clap and returned as an exit code instead of terminating the host process.