update vars

Author: eleo007

e2e-tests/vars.sh

@@ -24,7 +24,8 @@ fi
 export IMAGE_BASE=${IMAGE_BASE:-"perconalab/percona-postgresql-operator"}
 export IMAGE=${IMAGE:-"${IMAGE_BASE}:${VERSION}"}
 if [[ ! $PG_VER && $IMAGE_POSTGRESQL ]]; then
-	export PG_VER=$(echo "$IMAGE_POSTGRESQL" | sed -E 's/.*:(.*ppg)?([0-9]+).*/\2/')
+	pg_version_value=$(echo "$IMAGE_POSTGRESQL" | sed -E 's/.*:(.*ppg)?([0-9]+).*/\2/')
+	export PG_VER="${pg_version_value}"
 else
 	export PG_VER="${PG_VER:-17}"
 fi
@@ -53,10 +54,10 @@ for var in $(printenv | grep -E '^IMAGE' | awk -F'=' '{print $1}'); do
 	fi
 	if [[ $var_value == percona/* || $var_value == perconalab/* ]]; then
 		new_value="${REGISTRY_NAME_FULL}${var_value}"
-		export "$var=$new_value"
-		echo $var=$new_value
+		export "$var"="$new_value"
+		echo "$var"="$new_value"
 	fi
-	echo $IMAGE
+	echo "$IMAGE"
 done
 
 # shellcheck disable=SC2034