From 0abde2e2cc0ec11c03b01d8edd01fcd7582d69e6 Mon Sep 17 00:00:00 2001
From: Jonathan Hui <jonhui@nestlabs.com>
Date: Mon, 4 Jul 2016 10:12:25 -0700
Subject: [PATCH] Add version command. (#237)

---
 src/cli/README.md | 11 +++++++++++
 src/cli/cli.cpp   |  8 ++++++++
 src/cli/cli.hpp   |  1 +
 3 files changed, 20 insertions(+)

diff --git a/src/cli/README.md b/src/cli/README.md
index 55f1cb60d..03e71ce8d 100644
--- a/src/cli/README.md
+++ b/src/cli/README.md
@@ -35,6 +35,7 @@ OpenThread test scripts use the CLI to execute test cases.
 * [start](#start)
 * [state](#state)
 * [stop](#stop)
+* [version](#version)
 * [whitelist](#whitelist)
 
 ## OpenThread Command Details
@@ -558,6 +559,16 @@ Disable OpenThread.
 Done
 ```
 
+### version
+
+Print the build version information.
+
+```bash
+> version
+OPENTHREAD/gf4f2f04; Jul  1 2016 17:00:09
+Done
+```
+
 ### whitelist
 
 List the whitelist entries.
diff --git a/src/cli/cli.cpp b/src/cli/cli.cpp
index 4b53db210..c9d35f24f 100644
--- a/src/cli/cli.cpp
+++ b/src/cli/cli.cpp
@@ -36,6 +36,7 @@
 #include <string.h>
 
 #include <openthread.h>
+#include <openthread-config.h>
 
 #include "cli.hpp"
 #include <common/encoding.hpp>
@@ -79,6 +80,7 @@ const struct Command Interpreter::sCommands[] =
     { "start", &ProcessStart },
     { "state", &ProcessState },
     { "stop", &ProcessStop },
+    { "version", &ProcessVersion },
     { "whitelist", &ProcessWhitelist },
 };
 
@@ -1267,6 +1269,12 @@ exit:
     AppendResult(error);
 }
 
+void Interpreter::ProcessVersion(int argc, char *argv[])
+{
+    sServer->OutputFormat("%s\r\n", PACKAGE_NAME "/" PACKAGE_VERSION "; " __DATE__ " " __TIME__);
+    AppendResult(kThreadError_None);
+}
+
 void Interpreter::ProcessWhitelist(int argc, char *argv[])
 {
     ThreadError error = kThreadError_None;
diff --git a/src/cli/cli.hpp b/src/cli/cli.hpp
index d4ea511f0..62894d3cd 100644
--- a/src/cli/cli.hpp
+++ b/src/cli/cli.hpp
@@ -123,6 +123,7 @@ private:
     static void ProcessStart(int argc, char *argv[]);
     static void ProcessState(int argc, char *argv[]);
     static void ProcessStop(int argc, char *argv[]);
+    static void ProcessVersion(int argc, char *argv[]);
     static void ProcessWhitelist(int argc, char *argv[]);
 
     static void HandleEchoResponse(void *aContext, Message &aMessage, const Ip6::MessageInfo &aMessageInfo);