From 3c54ba7c09aa95fae1adc1ddce96bf2bddd523aa Mon Sep 17 00:00:00 2001
From: Myk Taylor <myk002@yahoo.com>
Date: Sun, 31 Dec 2023 01:17:54 -0800
Subject: [PATCH] error out on missing burrow specification

---
 plugins/lua/autochop.lua | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/plugins/lua/autochop.lua b/plugins/lua/autochop.lua
index 239db9ec8..a1a736882 100644
--- a/plugins/lua/autochop.lua
+++ b/plugins/lua/autochop.lua
@@ -32,7 +32,11 @@ function setTargets(max, min)
 end
 
 local function do_set_burrow_config(var_name, val, burrows)
-    for _,bspec in ipairs(argparse.stringList(burrows)) do
+    burrows = argparse.stringList(burrows)
+    if #burrows == 0 then
+        qerror('no target burrows specified')
+    end
+    for _,bspec in ipairs(burrows) do
         local config = autochop_getBurrowConfig(bspec)
         config[var_name] = val
         autochop_setBurrowConfig(config.id, config.chop, config.clearcut,