From 49ec93a9c57f5a3fd1c734c8da09967e2d1809ab Mon Sep 17 00:00:00 2001
From: Kayou <pierre.moltess@gmail.com>
Date: Thu, 21 Feb 2019 01:31:31 +0100
Subject: [PATCH] default argument for a optional argument

---
 data/helpers.d/psql | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/data/helpers.d/psql b/data/helpers.d/psql
index f5e076d4f..47804f585 100644
--- a/data/helpers.d/psql
+++ b/data/helpers.d/psql
@@ -72,7 +72,7 @@ ynh_psql_execute_file_as_root() {
 # | arg: user - the user to grant privilegies
 ynh_psql_create_db() {
 	local db=$1
-	local user=$2
+	local user=${2:-}
 
     local sql="CREATE DATABASE ${db};"