From a9fe6b810e6f630b18c9eba3cc3b5abe12605221 Mon Sep 17 00:00:00 2001
From: Florent Poinsaut <1256948+FlorentPoinsaut@users.noreply.github.com>
Date: Mon, 28 Mar 2022 09:33:33 +0200
Subject: [PATCH] Fixes displaying the wrong variable on error in file_env

---
 docker-volumes/smtpd/docker-entrypoint.sh | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/docker-volumes/smtpd/docker-entrypoint.sh b/docker-volumes/smtpd/docker-entrypoint.sh
index 50e1db7..126dcf3 100755
--- a/docker-volumes/smtpd/docker-entrypoint.sh
+++ b/docker-volumes/smtpd/docker-entrypoint.sh
@@ -9,10 +9,9 @@ shopt -s nullglob
 file_env() {
 	local var="$1"
 	local fileVar="${var}_FILE"
-        local varName="${!var@}"
 	local def="${2:-}"
 	if [ "${!var:-}" ] && [ "${!fileVar:-}" ]; then
-		echo >&2 "error: both ${varName} and ${fileVar} are set (but are mutually exclusive)"
+		echo >&2 "error: both ${var} and ${fileVar} are set (but are mutually exclusive)"
 		exit 1
 	fi
 	local val="$def"