Don't clutter output of usage instructions

run.sh

@@ -1,7 +1,5 @@
 #!/bin/bash
 
-set -x
-
 function createPostgresConfig() {
   cp /etc/postgresql/12/main/postgresql.custom.conf.tmpl /etc/postgresql/12/main/conf.d/postgresql.custom.conf
   sudo -u postgres echo "autovacuum = $AUTOVACUUM" >> /etc/postgresql/12/main/conf.d/postgresql.custom.conf
@@ -23,6 +21,8 @@ if [ "$#" -ne 1 ]; then
     exit 1
 fi
 
+set -x
+
 if [ "$1" = "import" ]; then
     # Ensure that database directory is in right state
     chown postgres:postgres -R /var/lib/postgresql