refactor!: migrate to urfave/cli v1

Better flexible flags handling.

cli/app/run.go

@@ -1,6 +1,7 @@
 package app
 
 import (
+	"context"
 	"errors"
 	"fmt"
 
@@ -13,7 +14,7 @@ import (
 	"github.com/docker/docker/api/types"
 	"github.com/docker/docker/api/types/filters"
 	"github.com/sirupsen/logrus"
-	"github.com/urfave/cli/v2"
+	"github.com/urfave/cli"
 )
 
 var user string
@@ -26,28 +27,30 @@ var userFlag = &cli.StringFlag{
 var noTTY bool
 var noTTYFlag = &cli.BoolFlag{
 	Name:        "no-tty",
-	Value:       false,
 	Destination: &noTTY,
 }
 
-var appRunCommand = &cli.Command{
-	Name: "run",
+var appRunCommand = cli.Command{
+	Name:    "run",
+	Aliases: []string{"r"},
 	Flags: []cli.Flag{
+		internal.DebugFlag,
+		internal.NoInputFlag,
 		noTTYFlag,
 		userFlag,
 	},
-	Aliases:      []string{"r"},
+	Before:       internal.SubCommandBefore,
 	ArgsUsage:    "<service> <args>...",
 	Usage:        "Run a command in a service container",
 	BashComplete: autocomplete.AppNameComplete,
 	Action: func(c *cli.Context) error {
 		app := internal.ValidateApp(c)
 
-		if c.Args().Len() < 2 {
+		if len(c.Args()) < 2 {
 			internal.ShowSubcommandHelpAndError(c, errors.New("no <service> provided?"))
 		}
 
-		if c.Args().Len() < 3 {
+		if len(c.Args()) < 3 {
 			internal.ShowSubcommandHelpAndError(c, errors.New("no <args> provided?"))
 		}
 
@@ -61,12 +64,12 @@ var appRunCommand = &cli.Command{
 		filters := filters.NewArgs()
 		filters.Add("name", stackAndServiceName)
 
-		targetContainer, err := containerPkg.GetContainer(c.Context, cl, filters, true)
+		targetContainer, err := containerPkg.GetContainer(context.Background(), cl, filters, true)
 		if err != nil {
 			logrus.Fatal(err)
 		}
 
-		cmd := c.Args().Slice()[2:]
+		cmd := c.Args()[2:]
 		execCreateOpts := types.ExecConfig{
 			AttachStderr: true,
 			AttachStdin:  true,