Function gh_agent_hooks_dir 

pub fn gh_agent_hooks_dir(
    get: impl Fn(&str) -> Option<String>,
    home: &Path,
    windows: bool,
) -> PathBuf

Where gh-agent writes its hooks: GH_AGENT_HOOKS_DIR, else %LOCALAPPDATA%\gh-agent-hooks on Windows and $XDG_DATA_HOME/gh-agent/hooks (default ~/.local/share) elsewhere.