+ Runtime: Add go version to debug infos

commands.go

@@ -11,6 +11,7 @@ import (
 	"log"
 	"net/http"
 	"net/url"
+	"os"
 	"path/filepath"
 	"runtime"
 	"strconv"
@@ -284,9 +285,10 @@ func (srv *Server) CmdInfo(stdin io.ReadCloser, stdout io.Writer, args ...string
 		VERSION,
 		imgcount)
 
-	if !rcli.DEBUG_FLAG {
+	if os.Getenv("DEBUG") == "" {
 		return nil
 	}
+	fmt.Fprintf(stdout, "Go version: %s\n", runtime.Version())
 	fmt.Fprintln(stdout, "debug mode enabled")
 	fmt.Fprintf(stdout, "fds: %d\ngoroutines: %d\n", getTotalUsedFds(), runtime.NumGoroutine())
 	return nil