use git_repository as git;use git_testtools::scripted_fixture_repo_read_only;use std::borrow::Cow; pub(crate) fn repo(name: &str) -> git::Repository {    let dir = scripted_fixture_repo_read_only("make_remote_repos.sh").unwrap();    git::open_opts(dir.join(name), git::open::Options::isolated()).unwrap()} pub(crate) fn cow_str(s: &str) -> Cow<str> {    Cow::Borrowed(s)} mod list_refs;