From 56e54e647f35b886c45f393e1917e91c25233cdd Mon Sep 17 00:00:00 2001
From: Selene ToyKeeper
Date: Sat, 4 Nov 2023 21:46:48 -0600
Subject: detect-mcu.sh: don't hang when MCU isn't found; exit with an error
 instead

---
 bin/detect-mcu.sh | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'bin')

diff --git a/bin/detect-mcu.sh b/bin/detect-mcu.sh
index 64bce96..761eac1 100755
--- a/bin/detect-mcu.sh
+++ b/bin/detect-mcu.sh
@@ -36,6 +36,10 @@ while [ -n "$TARGET" ]; do
       fi
     fi
   fi
+  # move up one dir
+  # if target doesn't change here, exit to avoid infinite loop
+  FOO="$TARGET"
   TARGET=$(dirname $TARGET)
+  [ "$FOO" = "$TARGET" ] && exit 1
 done
 
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