Function ostree_sys::ostree_repo_read_commit_detached_metadata

pub unsafe extern "C" fn ostree_repo_read_commit_detached_metadata(
    self_: *mut OstreeRepo, 
    checksum: *const c_char, 
    out_metadata: *mut *mut GVariant, 
    cancellable: *mut GCancellable, 
    error: *mut *mut GError
) -> gboolean