he prolly replaced it.
i always pre-route a 2nd cable next to everything & i trap a extra master link & 1/2 link on the top of the brake cable near the mirror mount area in plain sight.
and you can fix it all on the road side in minutes.
a handlebar clamped flashlight holder or stylus w/a light in it would be great in low light conditions.
tool bags are not a bad idea.
and a chain breaker