From b39689ae4b720951d4396f50bda896599ca1f6ec Mon Sep 17 00:00:00 2001
From: Nicolas Boisselier <nicolas.boisselier@gmail.com>
Date: Wed, 29 Nov 2017 01:42:24 +0000
Subject: [PATCH] lib/php/db/shell.php

---
 lib/php/db/shell.php | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/lib/php/db/shell.php b/lib/php/db/shell.php
index cecd60b3..552e3d26 100755
--- a/lib/php/db/shell.php
+++ b/lib/php/db/shell.php
@@ -31,6 +31,20 @@ while($line = fgets(STDIN)){
   # Exit command
   if ($line == 'quit' or $line == 'q') break;
 
+  # Help
+  if ($line == 'help' or $line == 'h') {
+    $line = str_repeat('-',20)."\n";
+    echo $line . trim("
+help,h
+quit,q
+db=[NAME]
+table=[NAME]
+action,a=[ls,reset]
+    ")."\n" . $line;
+
+    continue;
+  }
+
   # Set params
   while ($line and (0
     or preg_match("/^([\w\.]+)='([^']+)'/",$line,$args)
@@ -66,6 +80,10 @@ function db_shell_action($k,$v) {
         break;
       }
 
+      if (empty($Db)) {
+        echo "Database is missing, try help\n";
+        break;
+      }
       #bye($Db::p());
       if ($Db->p('debug') == 'shell') {
         debug($Db->p());
-- 
2.47.3