adopt latest golang enhancements (#91)

cmd/root.go

@@ -21,6 +21,7 @@ import (
 	"fmt"
 	golog "log"
 	"os"
+	"runtime/debug"
 	"runtime/pprof"
 	"strings"
 
@@ -118,6 +119,12 @@ func Main() int {
 				Usage:       "enable HTTP debugging",
 				Destination: &conf.DebugHTTP,
 			},
+			&cli.BoolFlag{
+				Name:        "debug-goroutines",
+				Value:       false,
+				Usage:       "enable goroutine debugging",
+				Destination: &conf.DebugGoRoutines,
+			},
 			&cli.BoolFlag{
 				Name:        "align-ints",
 				Aliases:     []string{"I"},
@@ -253,6 +260,12 @@ func Version(conf *cfg.Config) *cli.Command {
 		Usage: "show esctl version information",
 
 		Action: func(ctx context.Context, cmd *cli.Command) error {
+			info, _ := debug.ReadBuildInfo()
+
+			if strings.Contains(info.Main.Version, "+dirty") {
+				cfg.COMMIT += "+dirty"
+			}
+
 			_, err := fmt.Printf(versionFmt,
 				cfg.Version, cfg.BUILD, cfg.BRANCH, cfg.COMMIT, cfg.GOVERSION, cfg.APIVERSION)