From 3aca7b498cdfb27a06d33b8124224e6686aacd32 Mon Sep 17 00:00:00 2001
From: tangxifan <tangxifan@gmail.com>
Date: Mon, 9 Mar 2020 09:34:21 -0600
Subject: [PATCH] Show help desk when a command is called inside shell without
 satisfying the dependency

---
 libopenfpga/libopenfpgashell/src/shell.tpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/libopenfpga/libopenfpgashell/src/shell.tpp b/libopenfpga/libopenfpgashell/src/shell.tpp
index 72ebe5168..5bd4ec56c 100644
--- a/libopenfpga/libopenfpgashell/src/shell.tpp
+++ b/libopenfpga/libopenfpgashell/src/shell.tpp
@@ -373,6 +373,8 @@ void Shell<T>::execute_command(const char* cmd_line,
     if (false == command_status_[dep_cmd]) {
       VTR_LOG("Command '%s' is required to be executed before command '%s'!\n",
               commands_[dep_cmd].name().c_str(), commands_[cmd_id].name().c_str());
+      /* Echo the command help desk */
+      print_command_options(commands_[cmd_id]);
       return;
     } 
   }