From 86c83533b654dba09e31cdeac47d6b717bcbef8a Mon Sep 17 00:00:00 2001
From: Jeshua Ben Joseph <travis.rowland@gmail.com>
Date: Mon, 18 May 2026 14:10:38 -0700
Subject: [PATCH] Potential fix for pull request finding

Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>
---
 image/prepare.sh | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/image/prepare.sh b/image/prepare.sh
index 966b7c3..0bf5875 100755
--- a/image/prepare.sh
+++ b/image/prepare.sh
@@ -61,7 +61,17 @@ apt-get dist-upgrade -y --no-install-recommends -o Dpkg::Options::="--force-conf
 if grep -E '^ID=' /etc/os-release | grep -q ubuntu; then
   UBUNTU_VERSION=$(grep '^VERSION_ID=' /etc/os-release | cut -d'"' -f2)
   if dpkg --compare-versions "$UBUNTU_VERSION" ge "26.04" 2>/dev/null; then
-    if [ "${INSTALL_GNU_COREUTILS:-0}" -eq 1 ]; then
+    case "${INSTALL_GNU_COREUTILS:-0}" in
+      0|1)
+        INSTALL_GNU_COREUTILS_NORMALIZED="${INSTALL_GNU_COREUTILS:-0}"
+        ;;
+      *)
+        echo "*** Invalid value for INSTALL_GNU_COREUTILS: '${INSTALL_GNU_COREUTILS}'" >&2
+        echo "*** Expected 0 or 1." >&2
+        exit 1
+        ;;
+    esac
+    if [ "$INSTALL_GNU_COREUTILS_NORMALIZED" = "1" ]; then
       echo "*** Installing GNU Coreutils and traditional sudo to replace Rust variants..."
       GNU_COREUTILS_INSTALLED=0
       TRADITIONAL_SUDO_INSTALLED=0