#[cfg(target_os = "macos")]#[test]fn verify_on_exfat() -> crate::Result<()> {    use std::process::Command;     use git_discover::repository::Kind;     let fixtures = git_testtools::scripted_fixture_repo_read_only("make_exfat_repo_darwin.sh")?;    let mount_point = tempfile::tempdir()?;     let _cleanup = {        // Mount dmg file        Command::new("hdiutil")            .args(["attach", "-nobrowse", "-mountpoint"])            .arg(mount_point.path())            .arg(fixtures.as_path().join("exfat_repo.dmg"))            .status()?;         // Ensure that the mount point is always cleaned up        defer::defer({            let mount_point = mount_point.path().to_owned();            move || {                Command::new("hdiutil")                    .arg("detach")                    .arg(&mount_point)                    .status()                    .expect("detach temporary test dmg filesystem successfully");            }        })    };     let is_git = git_discover::is_git(mount_point.path().join(".git"));     assert!(        matches!(is_git, Ok(Kind::WorkTree { linked_git_dir: None })),        "repo on exFAT is recognized as a valid worktree repo"    );    Ok(())}