myssh: Add warning for custom client script

script/myssh

@@ -1,6 +1,6 @@
 #!/usr/bin/env bash
 
-if [ -z $SQL_CLI_TEMPLATE ]
+if [ -z "$SQL_CLI_TEMPLATE" ]
 then
     if [ $(uname -s) = "Linux" ]
     then
@@ -8,6 +8,13 @@ then
     else
         SQL_CLI_TEMPLATE='open \"mysql://$MYSQL_USERNAME:$MYSQL_PASSWORD@localhost:3306\" -a \"Sequel Ace\"'
     fi
+else
+    echo -e "Warning, custom client string:\n$SQL_CLI_TEMPLATE"
+    read -r -p "Continue [Y/n] " CONTINUE
+    if [[ ! $CONTINUE =~ "^[Yy]" ]]
+    then
+        exit
+    fi
 fi
 
 [ -z $SQL_PROXY_HOST ] && SQL_PROXY_HOST="localhost"