Fix server version request in basebackup.sh

Author: hughcapet

postgres-appliance/scripts/basebackup.sh

@@ -95,7 +95,8 @@ else
     receivewal_pid=$(cat "$WAL_FAST/receivewal.pid")
 fi
 
-PGVER=$(psql -d "$CONNSTR" -tAc "SELECT pg_catalog.current_setting('server_version_num')::int/10000" || echo 0)
+echo "CONNSTR: $CONNSTR"
+PGVER=$(psql "$CONNSTR" -tAc "SELECT pg_catalog.current_setting('server_version_num')::int/10000" || echo 0)
 if [[ $PGVER -ge 15 ]]; then
     PG_BASEBACKUP_OPTS+=("--compress=server-lz4")
 fi