Merge pull request #179 from an-tao/dev

Modify the parameters of drogon_ctl command

.travis.yml

@@ -38,6 +38,7 @@ addons:
     - postgresql
     - mariadb
     - sqlite3
+    update: true
 
 script:
   - ./build.sh && ./test.sh

drogon_ctl/help.cc

@@ -21,7 +21,8 @@ void help::handleCommand(std::vector<std::string> &parameters)
 {
     if (parameters.size() == 0)
     {
-        std::cout << "usage: drogon_ctl <command> [<args>]" << std::endl;
+        std::cout << "usage: drogon_ctl [-v | --version] [-h | --help] <command> [<args>]"
+                  << std::endl;
         std::cout << "commands list:" << std::endl;
         for (auto &className : drogon::DrClassMap::getAllClassName())
         {

drogon_ctl/main.cc

@@ -31,6 +31,17 @@ int main(int argc, char *argv[])
     {
         args.push_back(argv[i]);
     }
+    for (auto &arg : args)
+    {
+        if (arg == "-h" || arg == "--help")
+        {
+            arg = "help";
+        }
+        else if (arg == "-v" || arg == "--version")
+        {
+            arg = "version";
+        }
+    }
 
     exeCommand(args);