From 54ddc0d85634f690df19cf71163677c78a9b1a9e Mon Sep 17 00:00:00 2001
From: Claude <noreply@anthropic.com>
Date: Thu, 19 Mar 2026 09:58:20 +0000
Subject: [PATCH] build.sh: fix empty array expansion under set -u

${arr[@]} with set -u throws 'unbound variable' when the array is empty.
Use ${arr[@]+"${arr[@]}"} which only expands if the array is set.

https://claude.ai/code/session_01FKCW3FDjNFj6jve4niMFXH
---
 builder/build.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/builder/build.sh b/builder/build.sh
index 77c0717..48ce971 100755
--- a/builder/build.sh
+++ b/builder/build.sh
@@ -99,7 +99,7 @@ fi
 docker run --detach \
     --name "$CONTAINER_NAME" \
     --network hiy-net \
-    "${ENV_FILE_ARG[@]}" \
+    "${ENV_FILE_ARG[@]+"${ENV_FILE_ARG[@]}"}" \
     --expose "$PORT" \
     --label "hiy.app=${APP_ID}" \
     --label "hiy.port=${PORT}" \