From 26f8c1ab492849ab28080fff4ab2797605ec2fec Mon Sep 17 00:00:00 2001
From: Taiki Endo <te316e89@gmail.com>
Date: Sat, 4 Apr 2026 22:07:47 +0900
Subject: [PATCH] ci: Add test for trailing comma in tool input option

---
 tools/ci/tool-list.sh | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/tools/ci/tool-list.sh b/tools/ci/tool-list.sh
index 9798f0fb..7174f3bd 100755
--- a/tools/ci/tool-list.sh
+++ b/tools/ci/tool-list.sh
@@ -232,4 +232,9 @@ for tool in "${tools[@]}"; do
     2) list+=$' \t ' ;;
   esac
 done
+if [[ "${comma_sep}" == "1" ]]; then
+  case $((RANDOM % 2)) in
+    0) list+=',' ;;
+  esac
+fi
 printf 'tool=%s\n' "${list}"