合并pr(#661): 减少unsport code打印，新增git信息获取

(cherry picked from commit 47f2f5b349)

server/main.cpp

@@ -8,10 +8,8 @@
  * may be found in the AUTHORS file in the root of the source tree.
  */
 
-#include <map>
 #include <signal.h>
 #include <iostream>
-#include "Util/MD5.h"
 #include "Util/File.h"
 #include "Util/logger.h"
 #include "Util/SSLBox.h"
@@ -28,6 +26,10 @@
 #include "WebApi.h"
 #include "WebHook.h"
 
+#if defined(ENABLE_VERSION)
+#include "Version.h"
+#endif
+
 #if !defined(_WIN32)
 #include "System.h"
 #endif//!defined(_WIN32)
@@ -146,10 +148,21 @@ public:
                              false,/*该选项是否必须赋值，如果没有默认值且为ArgRequired时用户必须提供该参数否则将抛异常*/
                              "启动事件触发线程数",/*该选项说明文字*/
                              nullptr);
+
+#if defined(ENABLE_VERSION)
+        (*_parser) << Option('v', "version", Option::ArgNone, nullptr, false, "显示版本号",
+                             [](const std::shared_ptr<ostream> &stream, const string &arg) -> bool {
+                                 //版本信息
+                                 *stream << "编译日期: " << build_time << std::endl;
+                                 *stream << "当前git分支: " << branch_name << std::endl;
+                                 *stream << "当前git hash值: " << commit_hash << std::endl;
+                                 throw ExitException();
+                             });
+#endif
     }
 
-    virtual ~CMD_main() {}
-    virtual const char *description() const {
+    ~CMD_main() override{}
+    const char *description() const override{
         return "主程序命令参数";
     }
 };
@@ -201,6 +214,8 @@ int start_main(int argc,char *argv[]) {
         CMD_main cmd_main;
         try {
             cmd_main.operator()(argc, argv);
+        } catch (ExitException &ex) {
+            return 0;
         } catch (std::exception &ex) {
             cout << ex.what() << endl;
             return -1;