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

cmd/commands/version/banner.go

@@ -0,0 +1,72 @@
+package version
+
+import (
+	"io"
+	"io/ioutil"
+	"os"
+	"runtime"
+	"text/template"
+
+	"time"
+
+	beeLogger "github.com/beego/bee/logger"
+)
+
+// RuntimeInfo holds information about the current runtime.
+type RuntimeInfo struct {
+	GoVersion    string
+	GOOS         string
+	GOARCH       string
+	NumCPU       int
+	GOPATH       string
+	GOROOT       string
+	Compiler     string
+	BeeVersion   string
+	BeegoVersion string
+}
+
+// InitBanner loads the banner and prints it to output
+// All errors are ignored, the application will not
+// print the banner in case of error.
+func InitBanner(out io.Writer, in io.Reader) {
+	if in == nil {
+		beeLogger.Log.Fatal("The input is nil")
+	}
+
+	banner, err := ioutil.ReadAll(in)
+	if err != nil {
+		beeLogger.Log.Fatalf("Error while trying to read the banner: %s", err)
+	}
+
+	show(out, string(banner))
+}
+
+func show(out io.Writer, content string) {
+	t, err := template.New("banner").
+		Funcs(template.FuncMap{"Now": Now}).
+		Parse(content)
+
+	if err != nil {
+		beeLogger.Log.Fatalf("Cannot parse the banner template: %s", err)
+	}
+
+	err = t.Execute(out, RuntimeInfo{
+		GetGoVersion(),
+		runtime.GOOS,
+		runtime.GOARCH,
+		runtime.NumCPU(),
+		os.Getenv("GOPATH"),
+		runtime.GOROOT(),
+		runtime.Compiler,
+		version,
+		GetBeegoVersion(),
+	})
+	if err != nil {
+		beeLogger.Log.Error(err.Error())
+	}
+}
+
+// Now returns the current local time in the specified layout
+func Now(layout string) string {
+	return time.Now().Format(layout)
+}