Shell Check fixes

install/production-filesystem/entrypoint.sh

@@ -50,7 +50,7 @@ fi
 RED='\033[1;31m'
 GREY='\033[90m'
 RESET='\033[0m'
-printf "${RED}"
+printf "%s" "${RED}"
 echo '
  _   _      _    ___  _           _  __   __
 | \ | |    | |  / _ \| |         | | \ \ / /
@@ -60,7 +60,7 @@ echo '
 \_| \_/\___|\__\_| |_/_|\___|_|   \__\/   \/
 '
 
-printf "\033[0m"
+printf "%s" "${RESET}"
 echo '   Network intruder and presence detector. 
    https://netalertx.com
 
@@ -69,7 +69,7 @@ set -u
 
 FAILED_STATUS=""
 echo "Startup pre-checks"
-for script in ${ENTRYPOINT_CHECKS}/*; do
+for script in "${ENTRYPOINT_CHECKS}"/*; do
     if [ -n "${SKIP_TESTS:-}" ]; then
         echo "Skipping startup checks as SKIP_TESTS is set."
         break
@@ -77,7 +77,7 @@ for script in ${ENTRYPOINT_CHECKS}/*; do
     script_name=$(basename "$script" | sed 's/^[0-9]*-//;s/\.(sh|py)$//;s/-/ /g')
     echo "--> ${script_name} "
 	if [ -n "${SKIP_STARTUP_CHECKS:-}" ] && echo "${SKIP_STARTUP_CHECKS}" | grep -q "\b${script_name}\b"; then
-		printf "${GREY}skip${RESET}\n"
+    printf "%sskip%s\n" "${GREY}" "${RESET}"
 		continue
 	fi
 
@@ -134,7 +134,7 @@ fi
 
 # Update vendor data (MAC address OUI database) in the background
 # This happens concurrently with service startup to avoid blocking container readiness
-bash ${SYSTEM_SERVICES_SCRIPTS}/update_vendors.sh &
+bash "${SYSTEM_SERVICES_SCRIPTS}/update_vendors.sh" &