From d2a103c230004969cb56768fcff2f836ddec75a3 Mon Sep 17 00:00:00 2001
From: CanbiZ <47820557+MickLesk@users.noreply.github.com>
Date: Tue, 25 Nov 2025 20:32:18 +0100
Subject: [PATCH] Set default LANG in locale configuration (#9440)

Ensures LANG is set to en_US.UTF-8 by default if not already defined before updating /etc/locale.gen.
---
 misc/build.func | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/misc/build.func b/misc/build.func
index 0ef0d4a5b7..d895d3c8d8 100644
--- a/misc/build.func
+++ b/misc/build.func
@@ -1338,7 +1338,8 @@ EOF'
     pct exec "$CTID" -- ash -c "apk add bash newt curl openssh nano mc ncurses jq >/dev/null"
   else
     sleep 3
-    pct exec "$CTID" -- bash -c "sed -i '/$LANG/ s/^# //' /etc/locale.gen"
+    LANG=${LANG:-en_US.UTF-8}
+    pct exec "$CTID" -- bash -c "sed -i \"/$LANG/ s/^# //\" /etc/locale.gen"
     pct exec "$CTID" -- bash -c "locale_line=\$(grep -v '^#' /etc/locale.gen | grep -E '^[a-zA-Z]' | awk '{print \$1}' | head -n 1) && \
     echo LANG=\$locale_line >/etc/default/locale && \
     locale-gen >/dev/null && \