move cmd to util (#2527)

* move cmd to util

* go fmt

config/source/cli/cli.go

@@ -9,8 +9,8 @@ import (
 
 	"github.com/imdario/mergo"
 	"github.com/urfave/cli/v2"
-	"go-micro.dev/v4/cmd"
 	"go-micro.dev/v4/config/source"
+	"go-micro.dev/v4/util/cmd"
 )
 
 type cliSource struct {

config/source/cli/cli_test.go

@@ -7,9 +7,9 @@ import (
 
 	"github.com/urfave/cli/v2"
 	"go-micro.dev/v4"
-	"go-micro.dev/v4/cmd"
 	"go-micro.dev/v4/config"
 	"go-micro.dev/v4/config/source"
+	"go-micro.dev/v4/util/cmd"
 )
 
 func TestCliSourceDefault(t *testing.T) {

options.go

@@ -9,7 +9,6 @@ import (
 	"go-micro.dev/v4/broker"
 	"go-micro.dev/v4/cache"
 	"go-micro.dev/v4/client"
-	"go-micro.dev/v4/cmd"
 	"go-micro.dev/v4/config"
 	"go-micro.dev/v4/debug/profile"
 	"go-micro.dev/v4/debug/trace"
@@ -19,6 +18,7 @@ import (
 	"go-micro.dev/v4/server"
 	"go-micro.dev/v4/store"
 	"go-micro.dev/v4/transport"
+	"go-micro.dev/v4/util/cmd"
 )
 
 // Options for micro service

plugins/plugin.go

@@ -13,11 +13,11 @@ import (
 
 	"go-micro.dev/v4/broker"
 	"go-micro.dev/v4/client"
-	"go-micro.dev/v4/cmd"
 	"go-micro.dev/v4/registry"
 	"go-micro.dev/v4/selector"
 	"go-micro.dev/v4/server"
 	"go-micro.dev/v4/transport"
+	"go-micro.dev/v4/util/cmd"
 )
 
 // Plugin is a plugin loaded from a file

service.go

@@ -8,7 +8,6 @@ import (
 	"sync"
 
 	"go-micro.dev/v4/client"
-	"go-micro.dev/v4/cmd"
 	"go-micro.dev/v4/debug/handler"
 	"go-micro.dev/v4/debug/stats"
 	"go-micro.dev/v4/debug/trace"
@@ -16,6 +15,7 @@ import (
 	plugin "go-micro.dev/v4/plugins"
 	"go-micro.dev/v4/server"
 	"go-micro.dev/v4/store"
+	"go-micro.dev/v4/util/cmd"
 	signalutil "go-micro.dev/v4/util/signal"
 	"go-micro.dev/v4/util/wrapper"
 )