From baef188ed0a7aec86724322e7717af5360232c3d Mon Sep 17 00:00:00 2001
From: Christian Grothoff <christian@grothoff.org>
Date: Sun, 23 Jul 2023 14:49:10 +0200
Subject: tolerate unset

---
 src/testing/taler-unified-setup.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/testing/taler-unified-setup.sh b/src/testing/taler-unified-setup.sh
index e1365913d..09999aef2 100755
--- a/src/testing/taler-unified-setup.sh
+++ b/src/testing/taler-unified-setup.sh
@@ -244,7 +244,7 @@ if [ "1" = "$START_SANDBOX" ]
 then
     #
     LIBEUFIN_SANDBOX_DB_CONNECTION=$(taler-config -c "$CONF" -s "libeufin-sandbox" -o "DB_CONNECTION")
-    if [ ! -z "$PGHOST" ]
+    if [ ! -z "${PGHOST:+}" ]
     then
         EHOST=$(echo $PGHOST | sed -e "s/\//\\\\\//g")
         LIBEUFIN_SANDBOX_DB_CONNECTION=$(echo $LIBEUFIN_SANDBOX_DB_CONNECTION | sed -e "s/\/var\/run\/postgresql/$EHOST/")
-- 
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