Function ostree_sys::ostree_sysroot_upgrader_set_origin

pub unsafe extern "C" fn ostree_sysroot_upgrader_set_origin(
    self_: *mut OstreeSysrootUpgrader, 
    origin: *mut GKeyFile, 
    cancellable: *mut GCancellable, 
    error: *mut *mut GError
) -> gboolean