Function mit_hook_test_helper::set_co_author

pub fn set_co_author(
    working_dir: &Path,
    author_name: &str,
    author_email: &str,
    index: i64,
)

set the co-authors via the git binary

Panics

If the git binary fails to run for some reason, or it fails to set the configuration due to a readonly filesystem or similar.