Refactor!

create sub packages
delete unused code
delete code from not use command cmdRouter,cmdTest, cmdRundocs
make command plugins
check with gosimple,staticcheck,go vet,unused,unconvert

main.go

@@ -0,0 +1,59 @@
+package main
+
+import (
+	"flag"
+	"log"
+	"os"
+	"strings"
+
+	"github.com/beego/bee/cmd"
+	"github.com/beego/bee/cmd/commands"
+	"github.com/beego/bee/generate/swaggergen"
+	"github.com/beego/bee/utils"
+)
+
+func main() {
+	currentpath, _ := os.Getwd()
+
+	flag.Usage = cmd.Usage
+	flag.Parse()
+	log.SetFlags(0)
+
+	args := flag.Args()
+
+	if len(args) < 1 {
+		cmd.Usage()
+	}
+
+	if args[0] == "help" {
+		cmd.Help(args[1:])
+		return
+	}
+
+	for _, c := range commands.AvailableCommands {
+		if c.Name() == args[0] && c.Run != nil {
+			c.Flag.Usage = func() { c.Usage() }
+			if c.CustomFlags {
+				args = args[1:]
+			} else {
+				c.Flag.Parse(args[1:])
+				args = c.Flag.Args()
+			}
+
+			if c.PreRun != nil {
+				c.PreRun(c, args)
+			}
+
+			// Check if current directory is inside the GOPATH,
+			// if so parse the packages inside it.
+			if strings.Contains(currentpath, utils.GetGOPATHs()[0]+"/src") && cmd.IfGenerateDocs(c.Name(), args) {
+				swaggergen.ParsePackagesFromDir(currentpath)
+			}
+
+			os.Exit(c.Run(c, args))
+			return
+		}
+	}
+
+	utils.PrintErrorAndExit("Unknown subcommand", cmd.ErrorTemplate)
+}