From d4cf03ccbd1bd47a4637320b2f50502f4a43ca2a Mon Sep 17 00:00:00 2001
From: "Eric S. Raymond" <esr@thyrsus.com>
Date: Sat, 18 Feb 2017 13:42:41 -0500
Subject: [PATCH] Add failure message for unlikely circumstance.

---
 sst.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/sst.py b/sst.py
index 9b35fd7..d3c8606 100755
--- a/sst.py
+++ b/sst.py
@@ -4247,11 +4247,15 @@ def mayday():
         # There's one in this quadrant
         ddist = (game.base - game.sector).distance()
     else:
+        ibq = None	# Force base-quadrant game to persist past loop
         ddist = FOREVER
         for ibq in game.state.baseq:
             xdist = QUADSIZE * (ibq - game.quadrant).distance()
             if xdist < ddist:
                 ddist = xdist
+        if ibq is None:
+            prout(_("No starbases remain. You are alone in a hostile galaxy."))
+            return
         # Since starbase not in quadrant, set up new quadrant
         game.quadrant = ibq
         newqad()
-- 
2.31.1