diff --git a/go.mod b/go.mod
index 899cc4b0..a1d34810 100644
--- a/go.mod
+++ b/go.mod
@@ -9,7 +9,7 @@ require (
 	github.com/obalunenko/logger v0.1.0
 	github.com/obalunenko/version v1.1.0
 	github.com/stretchr/testify v1.7.0
-	github.com/urfave/cli/v2 v2.3.0
+	github.com/urfave/cli/v2 v2.4.0
 )
 
 require (
diff --git a/go.sum b/go.sum
index 6691cdc9..22b51345 100644
--- a/go.sum
+++ b/go.sum
@@ -9,7 +9,6 @@ github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e h1:fY5BOSpyZCqRo5O
 github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e/go.mod h1:nSuG5e5PlCu98SY8svDHJxuZscDgtXS6KTTbou5AhLI=
 github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1 h1:q763qf9huN11kDQavWsoZXJNW3xEE4JJyHa5Q25/sd8=
 github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMnBNeIyt5eFwwo7qiLfzFZmjNmxjkiQlU=
-github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
 github.com/cpuguy83/go-md2man/v2 v2.0.1 h1:r/myEWzV9lfsM1tFLgDyu0atFtJ1fXn261LKYj/3DxU=
 github.com/cpuguy83/go-md2man/v2 v2.0.1/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
@@ -37,18 +36,16 @@ github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
 github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
-github.com/russross/blackfriday/v2 v2.0.1/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
 github.com/russross/blackfriday/v2 v2.1.0 h1:JIOH55/0cWyOuilr9/qlrm0BSXldqnqwMsf35Ld67mk=
 github.com/russross/blackfriday/v2 v2.1.0/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
-github.com/shurcooL/sanitized_anchor_name v1.0.0/go.mod h1:1NzhyTcUVG4SuEtjjoZeVRXNmyL/1OwPU0+IJeTBvfc=
 github.com/sirupsen/logrus v1.8.1 h1:dJKuHgqk1NNQlqoA6BTlM1Wf9DOH3NBjQyu0h9+AZZE=
 github.com/sirupsen/logrus v1.8.1/go.mod h1:yWOB1SBYBC5VeMP7gHvWumXLIWorT60ONWic61uBYv0=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
 github.com/stretchr/testify v1.7.0 h1:nwc3DEeHmmLAfoZucVR881uASk0Mfjw8xYJ99tb5CcY=
 github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
-github.com/urfave/cli/v2 v2.3.0 h1:qph92Y649prgesehzOrQjdWyxFOp/QVM+6imKHad91M=
-github.com/urfave/cli/v2 v2.3.0/go.mod h1:LJmUH05zAU44vOAcrfzZQKsZbVcdbOG8rtL3/XcUArI=
+github.com/urfave/cli/v2 v2.4.0 h1:m2pxjjDFgDxSPtO8WSdbndj17Wu2y8vOT86wE/tjr+I=
+github.com/urfave/cli/v2 v2.4.0/go.mod h1:NX9W0zmTvedE5oDoOMs2RTC8RvdK98NTYZE5LbaEYPg=
 golang.org/x/sys v0.0.0-20181122145206-62eef0e2fa9b/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190222072716-a9d3bda3a223/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20191026070338-33540a1f6037/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
@@ -56,6 +53,6 @@ golang.org/x/sys v0.0.0-20211109184856-51b60fd695b3 h1:T6tyxxvHMj2L1R2kZg0uNMpS8
 golang.org/x/sys v0.0.0-20211109184856-51b60fd695b3/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/yaml.v2 v2.2.3/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
diff --git a/vendor/github.com/urfave/cli/v2/.gitignore b/vendor/github.com/urfave/cli/v2/.gitignore
index 2d5e149b..afdca418 100644
--- a/vendor/github.com/urfave/cli/v2/.gitignore
+++ b/vendor/github.com/urfave/cli/v2/.gitignore
@@ -5,3 +5,5 @@ vendor
 .idea
 internal/*/built-example
 coverage.txt
+
+*.exe
diff --git a/vendor/github.com/urfave/cli/v2/README.md b/vendor/github.com/urfave/cli/v2/README.md
index 408668bc..2b74f1f2 100644
--- a/vendor/github.com/urfave/cli/v2/README.md
+++ b/vendor/github.com/urfave/cli/v2/README.md
@@ -1,7 +1,7 @@
 cli
 ===
 
-[![GoDoc](https://godoc.org/github.com/urfave/cli?status.svg)](https://godoc.org/github.com/urfave/cli)
+[![GoDoc](https://godoc.org/github.com/urfave/cli?status.svg)](https://pkg.go.dev/github.com/urfave/cli/v2)
 [![codebeat](https://codebeat.co/badges/0a8f30aa-f975-404b-b878-5fab3ae1cc5f)](https://codebeat.co/projects/github-com-urfave-cli)
 [![Go Report Card](https://goreportcard.com/badge/urfave/cli)](https://goreportcard.com/report/urfave/cli)
 [![codecov](https://codecov.io/gh/urfave/cli/branch/master/graph/badge.svg)](https://codecov.io/gh/urfave/cli)
diff --git a/vendor/github.com/urfave/cli/v2/app.go b/vendor/github.com/urfave/cli/v2/app.go
index f801fce9..5c616e6f 100644
--- a/vendor/github.com/urfave/cli/v2/app.go
+++ b/vendor/github.com/urfave/cli/v2/app.go
@@ -140,7 +140,7 @@ func (a *App) Setup() {
 	}
 
 	if a.HelpName == "" {
-		a.HelpName = filepath.Base(os.Args[0])
+		a.HelpName = a.Name
 	}
 
 	if a.Usage == "" {
@@ -278,7 +278,7 @@ func (a *App) RunContext(ctx context.Context, arguments []string) (err error) {
 		return nil
 	}
 
-	cerr := checkRequiredFlags(a.Flags, context)
+	cerr := context.checkRequiredFlags(a.Flags)
 	if cerr != nil {
 		_ = ShowAppHelp(context)
 		return cerr
@@ -328,7 +328,7 @@ func (a *App) RunContext(ctx context.Context, arguments []string) (err error) {
 // RunAndExitOnError calls .Run() and exits non-zero if an error was returned
 //
 // Deprecated: instead you should return an error that fulfills cli.ExitCoder
-// to cli.App.Run. This will cause the application to exit with the given eror
+// to cli.App.Run. This will cause the application to exit with the given error
 // code in the cli.ExitCoder
 func (a *App) RunAndExitOnError() {
 	if err := a.Run(os.Args); err != nil {
@@ -397,7 +397,7 @@ func (a *App) RunAsSubcommand(ctx *Context) (err error) {
 		}
 	}
 
-	cerr := checkRequiredFlags(a.Flags, context)
+	cerr := context.checkRequiredFlags(a.Flags)
 	if cerr != nil {
 		_ = ShowSubcommandHelp(context)
 		return cerr
diff --git a/vendor/github.com/urfave/cli/v2/command.go b/vendor/github.com/urfave/cli/v2/command.go
index dda2f49a..3477686b 100644
--- a/vendor/github.com/urfave/cli/v2/command.go
+++ b/vendor/github.com/urfave/cli/v2/command.go
@@ -127,7 +127,7 @@ func (c *Command) Run(ctx *Context) (err error) {
 		return nil
 	}
 
-	cerr := checkRequiredFlags(c.Flags, context)
+	cerr := context.checkRequiredFlags(c.Flags)
 	if cerr != nil {
 		_ = ShowCommandHelp(context, c.Name)
 		return cerr
@@ -227,6 +227,7 @@ func (c *Command) startApp(ctx *Context) error {
 	}
 
 	app.Usage = c.Usage
+	app.UsageText = c.UsageText
 	app.Description = c.Description
 	app.ArgsUsage = c.ArgsUsage
 
@@ -243,6 +244,7 @@ func (c *Command) startApp(ctx *Context) error {
 	app.Version = ctx.App.Version
 	app.HideVersion = true
 	app.Compiled = ctx.App.Compiled
+	app.Reader = ctx.App.Reader
 	app.Writer = ctx.App.Writer
 	app.ErrWriter = ctx.App.ErrWriter
 	app.ExitErrHandler = ctx.App.ExitErrHandler
diff --git a/vendor/github.com/urfave/cli/v2/context.go b/vendor/github.com/urfave/cli/v2/context.go
index 74ed5191..da090e82 100644
--- a/vendor/github.com/urfave/cli/v2/context.go
+++ b/vendor/github.com/urfave/cli/v2/context.go
@@ -2,9 +2,7 @@ package cli
 
 import (
 	"context"
-	"errors"
 	"flag"
-	"fmt"
 	"strings"
 )
 
@@ -53,20 +51,18 @@ func (c *Context) Set(name, value string) error {
 
 // IsSet determines if the flag was actually set
 func (c *Context) IsSet(name string) bool {
-	if fs := lookupFlagSet(name, c); fs != nil {
-		if fs := lookupFlagSet(name, c); fs != nil {
-			isSet := false
-			fs.Visit(func(f *flag.Flag) {
-				if f.Name == name {
-					isSet = true
-				}
-			})
-			if isSet {
-				return true
+	if fs := c.lookupFlagSet(name); fs != nil {
+		isSet := false
+		fs.Visit(func(f *flag.Flag) {
+			if f.Name == name {
+				isSet = true
 			}
+		})
+		if isSet {
+			return true
 		}
 
-		f := lookupFlag(name, c)
+		f := c.lookupFlag(name)
 		if f == nil {
 			return false
 		}
@@ -108,7 +104,10 @@ func (c *Context) Lineage() []*Context {
 
 // Value returns the value of the flag corresponding to `name`
 func (c *Context) Value(name string) interface{} {
-	return c.flagSet.Lookup(name).Value.(flag.Getter).Get()
+	if fs := c.lookupFlagSet(name); fs != nil {
+		return fs.Lookup(name).Value.(flag.Getter).Get()
+	}
+	return nil
 }
 
 // Args returns the command line arguments associated with the context.
@@ -122,7 +121,7 @@ func (c *Context) NArg() int {
 	return c.Args().Len()
 }
 
-func lookupFlag(name string, ctx *Context) Flag {
+func (ctx *Context) lookupFlag(name string) Flag {
 	for _, c := range ctx.Lineage() {
 		if c.Command == nil {
 			continue
@@ -150,8 +149,11 @@ func lookupFlag(name string, ctx *Context) Flag {
 	return nil
 }
 
-func lookupFlagSet(name string, ctx *Context) *flag.FlagSet {
+func (ctx *Context) lookupFlagSet(name string) *flag.FlagSet {
 	for _, c := range ctx.Lineage() {
+		if c.flagSet == nil {
+			continue
+		}
 		if f := c.flagSet.Lookup(name); f != nil {
 			return c.flagSet
 		}
@@ -160,89 +162,7 @@ func lookupFlagSet(name string, ctx *Context) *flag.FlagSet {
 	return nil
 }
 
-func copyFlag(name string, ff *flag.Flag, set *flag.FlagSet) {
-	switch ff.Value.(type) {
-	case Serializer:
-		_ = set.Set(name, ff.Value.(Serializer).Serialize())
-	default:
-		_ = set.Set(name, ff.Value.String())
-	}
-}
-
-func normalizeFlags(flags []Flag, set *flag.FlagSet) error {
-	visited := make(map[string]bool)
-	set.Visit(func(f *flag.Flag) {
-		visited[f.Name] = true
-	})
-	for _, f := range flags {
-		parts := f.Names()
-		if len(parts) == 1 {
-			continue
-		}
-		var ff *flag.Flag
-		for _, name := range parts {
-			name = strings.Trim(name, " ")
-			if visited[name] {
-				if ff != nil {
-					return errors.New("Cannot use two forms of the same flag: " + name + " " + ff.Name)
-				}
-				ff = set.Lookup(name)
-			}
-		}
-		if ff == nil {
-			continue
-		}
-		for _, name := range parts {
-			name = strings.Trim(name, " ")
-			if !visited[name] {
-				copyFlag(name, ff, set)
-			}
-		}
-	}
-	return nil
-}
-
-func makeFlagNameVisitor(names *[]string) func(*flag.Flag) {
-	return func(f *flag.Flag) {
-		nameParts := strings.Split(f.Name, ",")
-		name := strings.TrimSpace(nameParts[0])
-
-		for _, part := range nameParts {
-			part = strings.TrimSpace(part)
-			if len(part) > len(name) {
-				name = part
-			}
-		}
-
-		if name != "" {
-			*names = append(*names, name)
-		}
-	}
-}
-
-type requiredFlagsErr interface {
-	error
-	getMissingFlags() []string
-}
-
-type errRequiredFlags struct {
-	missingFlags []string
-}
-
-func (e *errRequiredFlags) Error() string {
-	numberOfMissingFlags := len(e.missingFlags)
-	if numberOfMissingFlags == 1 {
-		return fmt.Sprintf("Required flag %q not set", e.missingFlags[0])
-	}
-	joinedMissingFlags := strings.Join(e.missingFlags, ", ")
-	return fmt.Sprintf("Required flags %q not set", joinedMissingFlags)
-}
-
-func (e *errRequiredFlags) getMissingFlags() []string {
-	return e.missingFlags
-}
-
-func checkRequiredFlags(flags []Flag, context *Context) requiredFlagsErr {
+func (context *Context) checkRequiredFlags(flags []Flag) requiredFlagsErr {
 	var missingFlags []string
 	for _, f := range flags {
 		if rf, ok := f.(RequiredFlag); ok && rf.IsRequired() {
@@ -271,3 +191,21 @@ func checkRequiredFlags(flags []Flag, context *Context) requiredFlagsErr {
 
 	return nil
 }
+
+func makeFlagNameVisitor(names *[]string) func(*flag.Flag) {
+	return func(f *flag.Flag) {
+		nameParts := strings.Split(f.Name, ",")
+		name := strings.TrimSpace(nameParts[0])
+
+		for _, part := range nameParts {
+			part = strings.TrimSpace(part)
+			if len(part) > len(name) {
+				name = part
+			}
+		}
+
+		if name != "" {
+			*names = append(*names, name)
+		}
+	}
+}
diff --git a/vendor/github.com/urfave/cli/v2/docs.go b/vendor/github.com/urfave/cli/v2/docs.go
index dc16fc82..9f82fc6b 100644
--- a/vendor/github.com/urfave/cli/v2/docs.go
+++ b/vendor/github.com/urfave/cli/v2/docs.go
@@ -15,31 +15,39 @@ import (
 // The function errors if either parsing or writing of the string fails.
 func (a *App) ToMarkdown() (string, error) {
 	var w bytes.Buffer
-	if err := a.writeDocTemplate(&w); err != nil {
+	if err := a.writeDocTemplate(&w, 0); err != nil {
 		return "", err
 	}
 	return w.String(), nil
 }
 
-// ToMan creates a man page string for the `*App`
+// ToMan creates a man page string with section number for the `*App`
 // The function errors if either parsing or writing of the string fails.
-func (a *App) ToMan() (string, error) {
+func (a *App) ToManWithSection(sectionNumber int) (string, error) {
 	var w bytes.Buffer
-	if err := a.writeDocTemplate(&w); err != nil {
+	if err := a.writeDocTemplate(&w, sectionNumber); err != nil {
 		return "", err
 	}
 	man := md2man.Render(w.Bytes())
 	return string(man), nil
 }
 
+// ToMan creates a man page string for the `*App`
+// The function errors if either parsing or writing of the string fails.
+func (a *App) ToMan() (string, error) {
+	man, err := a.ToManWithSection(8)
+	return man, err
+}
+
 type cliTemplate struct {
 	App          *App
+	SectionNum   int
 	Commands     []string
 	GlobalArgs   []string
 	SynopsisArgs []string
 }
 
-func (a *App) writeDocTemplate(w io.Writer) error {
+func (a *App) writeDocTemplate(w io.Writer, sectionNum int) error {
 	const name = "cli"
 	t, err := template.New(name).Parse(MarkdownDocTemplate)
 	if err != nil {
@@ -47,6 +55,7 @@ func (a *App) writeDocTemplate(w io.Writer) error {
 	}
 	return t.ExecuteTemplate(w, name, &cliTemplate{
 		App:          a,
+		SectionNum:   sectionNum,
 		Commands:     prepareCommands(a.Commands, 0),
 		GlobalArgs:   prepareArgsWithValues(a.VisibleFlags()),
 		SynopsisArgs: prepareArgsSynopsis(a.VisibleFlags()),
@@ -59,15 +68,16 @@ func prepareCommands(commands []*Command, level int) []string {
 		if command.Hidden {
 			continue
 		}
-		usage := ""
-		if command.Usage != "" {
-			usage = command.Usage
-		}
 
-		prepared := fmt.Sprintf("%s %s\n\n%s\n",
+		usageText := prepareUsageText(command)
+
+		usage := prepareUsage(command, usageText)
+
+		prepared := fmt.Sprintf("%s %s\n\n%s%s",
 			strings.Repeat("#", level+2),
 			strings.Join(command.Names(), ", "),
 			usage,
+			usageText,
 		)
 
 		flags := prepareArgsWithValues(command.Flags)
@@ -146,3 +156,40 @@ func flagDetails(flag DocGenerationFlag) string {
 	}
 	return ": " + description
 }
+
+func prepareUsageText(command *Command) string {
+	if command.UsageText == "" {
+		return ""
+	}
+
+	// Remove leading and trailing newlines
+	preparedUsageText := strings.Trim(command.UsageText, "\n")
+
+	var usageText string
+	if strings.Contains(preparedUsageText, "\n") {
+		// Format multi-line string as a code block using the 4 space schema to allow for embedded markdown such
+		// that it will not break the continuous code block.
+		for _, ln := range strings.Split(preparedUsageText, "\n") {
+			usageText += fmt.Sprintf("    %s\n", ln)
+		}
+	} else {
+		// Style a single line as a note
+		usageText = fmt.Sprintf(">%s\n", preparedUsageText)
+	}
+
+	return usageText
+}
+
+func prepareUsage(command *Command, usageText string) string {
+	if command.Usage == "" {
+		return ""
+	}
+
+	usage := command.Usage + "\n"
+	// Add a newline to the Usage IFF there is a UsageText
+	if usageText != "" {
+		usage += "\n"
+	}
+
+	return usage
+}
diff --git a/vendor/github.com/urfave/cli/v2/errors.go b/vendor/github.com/urfave/cli/v2/errors.go
index 751ef9b1..8f641fb6 100644
--- a/vendor/github.com/urfave/cli/v2/errors.go
+++ b/vendor/github.com/urfave/cli/v2/errors.go
@@ -47,6 +47,28 @@ func (m *multiError) Errors() []error {
 	return errs
 }
 
+type requiredFlagsErr interface {
+	error
+	getMissingFlags() []string
+}
+
+type errRequiredFlags struct {
+	missingFlags []string
+}
+
+func (e *errRequiredFlags) Error() string {
+	numberOfMissingFlags := len(e.missingFlags)
+	if numberOfMissingFlags == 1 {
+		return fmt.Sprintf("Required flag %q not set", e.missingFlags[0])
+	}
+	joinedMissingFlags := strings.Join(e.missingFlags, ", ")
+	return fmt.Sprintf("Required flags %q not set", joinedMissingFlags)
+}
+
+func (e *errRequiredFlags) getMissingFlags() []string {
+	return e.missingFlags
+}
+
 // ErrorFormatter is the interface that will suitably format the error output
 type ErrorFormatter interface {
 	Format(s fmt.State, verb rune)
diff --git a/vendor/github.com/urfave/cli/v2/flag.go b/vendor/github.com/urfave/cli/v2/flag.go
index ad97c2d0..49682f29 100644
--- a/vendor/github.com/urfave/cli/v2/flag.go
+++ b/vendor/github.com/urfave/cli/v2/flag.go
@@ -1,6 +1,7 @@
 package cli
 
 import (
+	"errors"
 	"flag"
 	"fmt"
 	"io/ioutil"
@@ -118,6 +119,14 @@ type DocGenerationFlag interface {
 	GetValue() string
 }
 
+// VisibleFlag is an interface that allows to check if a flag is visible
+type VisibleFlag interface {
+	Flag
+
+	// IsVisible returns true if the flag is not hidden, otherwise false
+	IsVisible() bool
+}
+
 func flagSet(name string, flags []Flag) (*flag.FlagSet, error) {
 	set := flag.NewFlagSet(name, flag.ContinueOnError)
 
@@ -130,11 +139,52 @@ func flagSet(name string, flags []Flag) (*flag.FlagSet, error) {
 	return set, nil
 }
 
+func copyFlag(name string, ff *flag.Flag, set *flag.FlagSet) {
+	switch ff.Value.(type) {
+	case Serializer:
+		_ = set.Set(name, ff.Value.(Serializer).Serialize())
+	default:
+		_ = set.Set(name, ff.Value.String())
+	}
+}
+
+func normalizeFlags(flags []Flag, set *flag.FlagSet) error {
+	visited := make(map[string]bool)
+	set.Visit(func(f *flag.Flag) {
+		visited[f.Name] = true
+	})
+	for _, f := range flags {
+		parts := f.Names()
+		if len(parts) == 1 {
+			continue
+		}
+		var ff *flag.Flag
+		for _, name := range parts {
+			name = strings.Trim(name, " ")
+			if visited[name] {
+				if ff != nil {
+					return errors.New("Cannot use two forms of the same flag: " + name + " " + ff.Name)
+				}
+				ff = set.Lookup(name)
+			}
+		}
+		if ff == nil {
+			continue
+		}
+		for _, name := range parts {
+			name = strings.Trim(name, " ")
+			if !visited[name] {
+				copyFlag(name, ff, set)
+			}
+		}
+	}
+	return nil
+}
+
 func visibleFlags(fl []Flag) []Flag {
 	var visible []Flag
 	for _, f := range fl {
-		field := flagValue(f).FieldByName("Hidden")
-		if !field.IsValid() || !field.Bool() {
+		if vf, ok := f.(VisibleFlag); ok && vf.IsVisible() {
 			visible = append(visible, f)
 		}
 	}
@@ -359,7 +409,11 @@ func stringifySliceFlag(usage string, names, defaultVals []string) string {
 	}
 
 	usageWithDefault := strings.TrimSpace(fmt.Sprintf("%s%s", usage, defaultVal))
-	return fmt.Sprintf("%s\t%s", prefixedNames(names, placeholder), usageWithDefault)
+	multiInputString := "(accepts multiple inputs)"
+	if usageWithDefault != "" {
+		multiInputString = "\t" + multiInputString
+	}
+	return fmt.Sprintf("%s\t%s%s", prefixedNames(names, placeholder), usageWithDefault, multiInputString)
 }
 
 func hasFlag(flags []Flag, fl Flag) bool {
@@ -380,8 +434,10 @@ func flagFromEnvOrFile(envVars []string, filePath string) (val string, ok bool)
 		}
 	}
 	for _, fileVar := range strings.Split(filePath, ",") {
-		if data, err := ioutil.ReadFile(fileVar); err == nil {
-			return string(data), true
+		if fileVar != "" {
+			if data, err := ioutil.ReadFile(fileVar); err == nil {
+				return string(data), true
+			}
 		}
 	}
 	return "", false
diff --git a/vendor/github.com/urfave/cli/v2/flag_bool.go b/vendor/github.com/urfave/cli/v2/flag_bool.go
index bc9ea35d..8bd58209 100644
--- a/vendor/github.com/urfave/cli/v2/flag_bool.go
+++ b/vendor/github.com/urfave/cli/v2/flag_bool.go
@@ -58,6 +58,11 @@ func (f *BoolFlag) GetValue() string {
 	return ""
 }
 
+// IsVisible returns true if the flag is not hidden, otherwise false
+func (f *BoolFlag) IsVisible() bool {
+	return !f.Hidden
+}
+
 // Apply populates the flag given the flag set and environment
 func (f *BoolFlag) Apply(set *flag.FlagSet) error {
 	if val, ok := flagFromEnvOrFile(f.EnvVars, f.FilePath); ok {
@@ -87,7 +92,7 @@ func (f *BoolFlag) Apply(set *flag.FlagSet) error {
 // Bool looks up the value of a local BoolFlag, returns
 // false if not found
 func (c *Context) Bool(name string) bool {
-	if fs := lookupFlagSet(name, c); fs != nil {
+	if fs := c.lookupFlagSet(name); fs != nil {
 		return lookupBool(name, fs)
 	}
 	return false
diff --git a/vendor/github.com/urfave/cli/v2/flag_duration.go b/vendor/github.com/urfave/cli/v2/flag_duration.go
index 22a2e672..28f39780 100644
--- a/vendor/github.com/urfave/cli/v2/flag_duration.go
+++ b/vendor/github.com/urfave/cli/v2/flag_duration.go
@@ -58,6 +58,11 @@ func (f *DurationFlag) GetValue() string {
 	return f.Value.String()
 }
 
+// IsVisible returns true if the flag is not hidden, otherwise false
+func (f *DurationFlag) IsVisible() bool {
+	return !f.Hidden
+}
+
 // Apply populates the flag given the flag set and environment
 func (f *DurationFlag) Apply(set *flag.FlagSet) error {
 	if val, ok := flagFromEnvOrFile(f.EnvVars, f.FilePath); ok {
@@ -86,7 +91,7 @@ func (f *DurationFlag) Apply(set *flag.FlagSet) error {
 // Duration looks up the value of a local DurationFlag, returns
 // 0 if not found
 func (c *Context) Duration(name string) time.Duration {
-	if fs := lookupFlagSet(name, c); fs != nil {
+	if fs := c.lookupFlagSet(name); fs != nil {
 		return lookupDuration(name, fs)
 	}
 	return 0
diff --git a/vendor/github.com/urfave/cli/v2/flag_float64.go b/vendor/github.com/urfave/cli/v2/flag_float64.go
index 91c778c8..352f02bd 100644
--- a/vendor/github.com/urfave/cli/v2/flag_float64.go
+++ b/vendor/github.com/urfave/cli/v2/flag_float64.go
@@ -58,12 +58,16 @@ func (f *Float64Flag) GetValue() string {
 	return fmt.Sprintf("%f", f.Value)
 }
 
+// IsVisible returns true if the flag is not hidden, otherwise false
+func (f *Float64Flag) IsVisible() bool {
+	return !f.Hidden
+}
+
 // Apply populates the flag given the flag set and environment
 func (f *Float64Flag) Apply(set *flag.FlagSet) error {
 	if val, ok := flagFromEnvOrFile(f.EnvVars, f.FilePath); ok {
 		if val != "" {
-			valFloat, err := strconv.ParseFloat(val, 10)
-
+			valFloat, err := strconv.ParseFloat(val, 64)
 			if err != nil {
 				return fmt.Errorf("could not parse %q as float64 value for flag %s: %s", val, f.Name, err)
 			}
@@ -87,7 +91,7 @@ func (f *Float64Flag) Apply(set *flag.FlagSet) error {
 // Float64 looks up the value of a local Float64Flag, returns
 // 0 if not found
 func (c *Context) Float64(name string) float64 {
-	if fs := lookupFlagSet(name, c); fs != nil {
+	if fs := c.lookupFlagSet(name); fs != nil {
 		return lookupFloat64(name, fs)
 	}
 	return 0
diff --git a/vendor/github.com/urfave/cli/v2/flag_float64_slice.go b/vendor/github.com/urfave/cli/v2/flag_float64_slice.go
index 706ee6cd..385732e1 100644
--- a/vendor/github.com/urfave/cli/v2/flag_float64_slice.go
+++ b/vendor/github.com/urfave/cli/v2/flag_float64_slice.go
@@ -19,6 +19,16 @@ func NewFloat64Slice(defaults ...float64) *Float64Slice {
 	return &Float64Slice{slice: append([]float64{}, defaults...)}
 }
 
+// clone allocate a copy of self object
+func (f *Float64Slice) clone() *Float64Slice {
+	n := &Float64Slice{
+		slice:      make([]float64, len(f.slice)),
+		hasBeenSet: f.hasBeenSet,
+	}
+	copy(n.slice, f.slice)
+	return n
+}
+
 // Set parses the value into a float64 and appends it to the list of values
 func (f *Float64Slice) Set(value string) error {
 	if !f.hasBeenSet {
@@ -117,6 +127,11 @@ func (f *Float64SliceFlag) GetValue() string {
 	return ""
 }
 
+// IsVisible returns true if the flag is not hidden, otherwise false
+func (f *Float64SliceFlag) IsVisible() bool {
+	return !f.Hidden
+}
+
 // Apply populates the flag given the flag set and environment
 func (f *Float64SliceFlag) Apply(set *flag.FlagSet) error {
 	if val, ok := flagFromEnvOrFile(f.EnvVars, f.FilePath); ok {
@@ -129,15 +144,19 @@ func (f *Float64SliceFlag) Apply(set *flag.FlagSet) error {
 				}
 			}
 
+			// Set this to false so that we reset the slice if we then set values from
+			// flags that have already been set by the environment.
+			f.Value.hasBeenSet = false
 			f.HasBeenSet = true
 		}
 	}
 
+	if f.Value == nil {
+		f.Value = &Float64Slice{}
+	}
+	copyValue := f.Value.clone()
 	for _, name := range f.Names() {
-		if f.Value == nil {
-			f.Value = &Float64Slice{}
-		}
-		set.Var(f.Value, name, f.Usage)
+		set.Var(copyValue, name, f.Usage)
 	}
 
 	return nil
@@ -146,7 +165,7 @@ func (f *Float64SliceFlag) Apply(set *flag.FlagSet) error {
 // Float64Slice looks up the value of a local Float64SliceFlag, returns
 // nil if not found
 func (c *Context) Float64Slice(name string) []float64 {
-	if fs := lookupFlagSet(name, c); fs != nil {
+	if fs := c.lookupFlagSet(name); fs != nil {
 		return lookupFloat64Slice(name, fs)
 	}
 	return nil
diff --git a/vendor/github.com/urfave/cli/v2/flag_generic.go b/vendor/github.com/urfave/cli/v2/flag_generic.go
index b0c8ff44..fdf586d1 100644
--- a/vendor/github.com/urfave/cli/v2/flag_generic.go
+++ b/vendor/github.com/urfave/cli/v2/flag_generic.go
@@ -66,6 +66,11 @@ func (f *GenericFlag) GetValue() string {
 	return ""
 }
 
+// IsVisible returns true if the flag is not hidden, otherwise false
+func (f *GenericFlag) IsVisible() bool {
+	return !f.Hidden
+}
+
 // Apply takes the flagset and calls Set on the generic flag with the value
 // provided by the user for parsing by the flag
 func (f GenericFlag) Apply(set *flag.FlagSet) error {
@@ -89,7 +94,7 @@ func (f GenericFlag) Apply(set *flag.FlagSet) error {
 // Generic looks up the value of a local GenericFlag, returns
 // nil if not found
 func (c *Context) Generic(name string) interface{} {
-	if fs := lookupFlagSet(name, c); fs != nil {
+	if fs := c.lookupFlagSet(name); fs != nil {
 		return lookupGeneric(name, fs)
 	}
 	return nil
diff --git a/vendor/github.com/urfave/cli/v2/flag_int.go b/vendor/github.com/urfave/cli/v2/flag_int.go
index ac39d4a9..1ebe3569 100644
--- a/vendor/github.com/urfave/cli/v2/flag_int.go
+++ b/vendor/github.com/urfave/cli/v2/flag_int.go
@@ -58,6 +58,11 @@ func (f *IntFlag) GetValue() string {
 	return fmt.Sprintf("%d", f.Value)
 }
 
+// IsVisible returns true if the flag is not hidden, otherwise false
+func (f *IntFlag) IsVisible() bool {
+	return !f.Hidden
+}
+
 // Apply populates the flag given the flag set and environment
 func (f *IntFlag) Apply(set *flag.FlagSet) error {
 	if val, ok := flagFromEnvOrFile(f.EnvVars, f.FilePath); ok {
@@ -87,7 +92,7 @@ func (f *IntFlag) Apply(set *flag.FlagSet) error {
 // Int looks up the value of a local IntFlag, returns
 // 0 if not found
 func (c *Context) Int(name string) int {
-	if fs := lookupFlagSet(name, c); fs != nil {
+	if fs := c.lookupFlagSet(name); fs != nil {
 		return lookupInt(name, fs)
 	}
 	return 0
diff --git a/vendor/github.com/urfave/cli/v2/flag_int64.go b/vendor/github.com/urfave/cli/v2/flag_int64.go
index e0999126..ecf0e9ef 100644
--- a/vendor/github.com/urfave/cli/v2/flag_int64.go
+++ b/vendor/github.com/urfave/cli/v2/flag_int64.go
@@ -58,6 +58,11 @@ func (f *Int64Flag) GetValue() string {
 	return fmt.Sprintf("%d", f.Value)
 }
 
+// IsVisible returns true if the flag is not hidden, otherwise false
+func (f *Int64Flag) IsVisible() bool {
+	return !f.Hidden
+}
+
 // Apply populates the flag given the flag set and environment
 func (f *Int64Flag) Apply(set *flag.FlagSet) error {
 	if val, ok := flagFromEnvOrFile(f.EnvVars, f.FilePath); ok {
@@ -86,7 +91,7 @@ func (f *Int64Flag) Apply(set *flag.FlagSet) error {
 // Int64 looks up the value of a local Int64Flag, returns
 // 0 if not found
 func (c *Context) Int64(name string) int64 {
-	if fs := lookupFlagSet(name, c); fs != nil {
+	if fs := c.lookupFlagSet(name); fs != nil {
 		return lookupInt64(name, fs)
 	}
 	return 0
diff --git a/vendor/github.com/urfave/cli/v2/flag_int64_slice.go b/vendor/github.com/urfave/cli/v2/flag_int64_slice.go
index 6c7fd937..f5c69396 100644
--- a/vendor/github.com/urfave/cli/v2/flag_int64_slice.go
+++ b/vendor/github.com/urfave/cli/v2/flag_int64_slice.go
@@ -19,6 +19,16 @@ func NewInt64Slice(defaults ...int64) *Int64Slice {
 	return &Int64Slice{slice: append([]int64{}, defaults...)}
 }
 
+// clone allocate a copy of self object
+func (i *Int64Slice) clone() *Int64Slice {
+	n := &Int64Slice{
+		slice:      make([]int64, len(i.slice)),
+		hasBeenSet: i.hasBeenSet,
+	}
+	copy(n.slice, i.slice)
+	return n
+}
+
 // Set parses the value into an integer and appends it to the list of values
 func (i *Int64Slice) Set(value string) error {
 	if !i.hasBeenSet {
@@ -118,6 +128,11 @@ func (f *Int64SliceFlag) GetValue() string {
 	return ""
 }
 
+// IsVisible returns true if the flag is not hidden, otherwise false
+func (f *Int64SliceFlag) IsVisible() bool {
+	return !f.Hidden
+}
+
 // Apply populates the flag given the flag set and environment
 func (f *Int64SliceFlag) Apply(set *flag.FlagSet) error {
 	if val, ok := flagFromEnvOrFile(f.EnvVars, f.FilePath); ok {
@@ -129,14 +144,18 @@ func (f *Int64SliceFlag) Apply(set *flag.FlagSet) error {
 			}
 		}
 
+		// Set this to false so that we reset the slice if we then set values from
+		// flags that have already been set by the environment.
+		f.Value.hasBeenSet = false
 		f.HasBeenSet = true
 	}
 
+	if f.Value == nil {
+		f.Value = &Int64Slice{}
+	}
+	copyValue := f.Value.clone()
 	for _, name := range f.Names() {
-		if f.Value == nil {
-			f.Value = &Int64Slice{}
-		}
-		set.Var(f.Value, name, f.Usage)
+		set.Var(copyValue, name, f.Usage)
 	}
 
 	return nil
@@ -145,7 +164,10 @@ func (f *Int64SliceFlag) Apply(set *flag.FlagSet) error {
 // Int64Slice looks up the value of a local Int64SliceFlag, returns
 // nil if not found
 func (c *Context) Int64Slice(name string) []int64 {
-	return lookupInt64Slice(name, c.flagSet)
+	if fs := c.lookupFlagSet(name); fs != nil {
+		return lookupInt64Slice(name, fs)
+	}
+	return nil
 }
 
 func lookupInt64Slice(name string, set *flag.FlagSet) []int64 {
diff --git a/vendor/github.com/urfave/cli/v2/flag_int_slice.go b/vendor/github.com/urfave/cli/v2/flag_int_slice.go
index 4e0afc02..94c668e9 100644
--- a/vendor/github.com/urfave/cli/v2/flag_int_slice.go
+++ b/vendor/github.com/urfave/cli/v2/flag_int_slice.go
@@ -19,6 +19,16 @@ func NewIntSlice(defaults ...int) *IntSlice {
 	return &IntSlice{slice: append([]int{}, defaults...)}
 }
 
+// clone allocate a copy of self object
+func (i *IntSlice) clone() *IntSlice {
+	n := &IntSlice{
+		slice:      make([]int, len(i.slice)),
+		hasBeenSet: i.hasBeenSet,
+	}
+	copy(n.slice, i.slice)
+	return n
+}
+
 // TODO: Consistently have specific Set function for Int64 and Float64 ?
 // SetInt directly adds an integer to the list of values
 func (i *IntSlice) SetInt(value int) {
@@ -129,6 +139,11 @@ func (f *IntSliceFlag) GetValue() string {
 	return ""
 }
 
+// IsVisible returns true if the flag is not hidden, otherwise false
+func (f *IntSliceFlag) IsVisible() bool {
+	return !f.Hidden
+}
+
 // Apply populates the flag given the flag set and environment
 func (f *IntSliceFlag) Apply(set *flag.FlagSet) error {
 	if val, ok := flagFromEnvOrFile(f.EnvVars, f.FilePath); ok {
@@ -140,14 +155,18 @@ func (f *IntSliceFlag) Apply(set *flag.FlagSet) error {
 			}
 		}
 
+		// Set this to false so that we reset the slice if we then set values from
+		// flags that have already been set by the environment.
+		f.Value.hasBeenSet = false
 		f.HasBeenSet = true
 	}
 
+	if f.Value == nil {
+		f.Value = &IntSlice{}
+	}
+	copyValue := f.Value.clone()
 	for _, name := range f.Names() {
-		if f.Value == nil {
-			f.Value = &IntSlice{}
-		}
-		set.Var(f.Value, name, f.Usage)
+		set.Var(copyValue, name, f.Usage)
 	}
 
 	return nil
@@ -156,8 +175,8 @@ func (f *IntSliceFlag) Apply(set *flag.FlagSet) error {
 // IntSlice looks up the value of a local IntSliceFlag, returns
 // nil if not found
 func (c *Context) IntSlice(name string) []int {
-	if fs := lookupFlagSet(name, c); fs != nil {
-		return lookupIntSlice(name, c.flagSet)
+	if fs := c.lookupFlagSet(name); fs != nil {
+		return lookupIntSlice(name, fs)
 	}
 	return nil
 }
diff --git a/vendor/github.com/urfave/cli/v2/flag_path.go b/vendor/github.com/urfave/cli/v2/flag_path.go
index 8070dc4b..b3aa9191 100644
--- a/vendor/github.com/urfave/cli/v2/flag_path.go
+++ b/vendor/github.com/urfave/cli/v2/flag_path.go
@@ -54,6 +54,11 @@ func (f *PathFlag) GetValue() string {
 	return f.Value
 }
 
+// IsVisible returns true if the flag is not hidden, otherwise false
+func (f *PathFlag) IsVisible() bool {
+	return !f.Hidden
+}
+
 // Apply populates the flag given the flag set and environment
 func (f *PathFlag) Apply(set *flag.FlagSet) error {
 	if val, ok := flagFromEnvOrFile(f.EnvVars, f.FilePath); ok {
@@ -75,7 +80,7 @@ func (f *PathFlag) Apply(set *flag.FlagSet) error {
 // Path looks up the value of a local PathFlag, returns
 // "" if not found
 func (c *Context) Path(name string) string {
-	if fs := lookupFlagSet(name, c); fs != nil {
+	if fs := c.lookupFlagSet(name); fs != nil {
 		return lookupPath(name, fs)
 	}
 
diff --git a/vendor/github.com/urfave/cli/v2/flag_string.go b/vendor/github.com/urfave/cli/v2/flag_string.go
index 400bb532..aad4c43a 100644
--- a/vendor/github.com/urfave/cli/v2/flag_string.go
+++ b/vendor/github.com/urfave/cli/v2/flag_string.go
@@ -55,6 +55,11 @@ func (f *StringFlag) GetValue() string {
 	return f.Value
 }
 
+// IsVisible returns true if the flag is not hidden, otherwise false
+func (f *StringFlag) IsVisible() bool {
+	return !f.Hidden
+}
+
 // Apply populates the flag given the flag set and environment
 func (f *StringFlag) Apply(set *flag.FlagSet) error {
 	if val, ok := flagFromEnvOrFile(f.EnvVars, f.FilePath); ok {
@@ -76,7 +81,7 @@ func (f *StringFlag) Apply(set *flag.FlagSet) error {
 // String looks up the value of a local StringFlag, returns
 // "" if not found
 func (c *Context) String(name string) string {
-	if fs := lookupFlagSet(name, c); fs != nil {
+	if fs := c.lookupFlagSet(name); fs != nil {
 		return lookupString(name, fs)
 	}
 	return ""
@@ -85,10 +90,7 @@ func (c *Context) String(name string) string {
 func lookupString(name string, set *flag.FlagSet) string {
 	f := set.Lookup(name)
 	if f != nil {
-		parsed, err := f.Value.String(), error(nil)
-		if err != nil {
-			return ""
-		}
+		parsed := f.Value.String()
 		return parsed
 	}
 	return ""
diff --git a/vendor/github.com/urfave/cli/v2/flag_string_slice.go b/vendor/github.com/urfave/cli/v2/flag_string_slice.go
index 35497032..52696431 100644
--- a/vendor/github.com/urfave/cli/v2/flag_string_slice.go
+++ b/vendor/github.com/urfave/cli/v2/flag_string_slice.go
@@ -18,6 +18,16 @@ func NewStringSlice(defaults ...string) *StringSlice {
 	return &StringSlice{slice: append([]string{}, defaults...)}
 }
 
+// clone allocate a copy of self object
+func (s *StringSlice) clone() *StringSlice {
+	n := &StringSlice{
+		slice:      make([]string, len(s.slice)),
+		hasBeenSet: s.hasBeenSet,
+	}
+	copy(n.slice, s.slice)
+	return n
+}
+
 // Set appends the string value to the list of values
 func (s *StringSlice) Set(value string) error {
 	if !s.hasBeenSet {
@@ -114,6 +124,11 @@ func (f *StringSliceFlag) GetValue() string {
 	return ""
 }
 
+// IsVisible returns true if the flag is not hidden, otherwise false
+func (f *StringSliceFlag) IsVisible() bool {
+	return !f.Hidden
+}
+
 // Apply populates the flag given the flag set and environment
 func (f *StringSliceFlag) Apply(set *flag.FlagSet) error {
 
@@ -144,17 +159,15 @@ func (f *StringSliceFlag) Apply(set *flag.FlagSet) error {
 		f.HasBeenSet = true
 	}
 
+	if f.Value == nil {
+		f.Value = &StringSlice{}
+	}
+	setValue := f.Destination
+	if f.Destination == nil {
+		setValue = f.Value.clone()
+	}
 	for _, name := range f.Names() {
-		if f.Value == nil {
-			f.Value = &StringSlice{}
-		}
-
-		if f.Destination != nil {
-			set.Var(f.Destination, name, f.Usage)
-			continue
-		}
-
-		set.Var(f.Value, name, f.Usage)
+		set.Var(setValue, name, f.Usage)
 	}
 
 	return nil
@@ -163,7 +176,7 @@ func (f *StringSliceFlag) Apply(set *flag.FlagSet) error {
 // StringSlice looks up the value of a local StringSliceFlag, returns
 // nil if not found
 func (c *Context) StringSlice(name string) []string {
-	if fs := lookupFlagSet(name, c); fs != nil {
+	if fs := c.lookupFlagSet(name); fs != nil {
 		return lookupStringSlice(name, fs)
 	}
 	return nil
diff --git a/vendor/github.com/urfave/cli/v2/flag_timestamp.go b/vendor/github.com/urfave/cli/v2/flag_timestamp.go
index 0382a6b9..7458a79b 100644
--- a/vendor/github.com/urfave/cli/v2/flag_timestamp.go
+++ b/vendor/github.com/urfave/cli/v2/flag_timestamp.go
@@ -71,6 +71,7 @@ type TimestampFlag struct {
 	Value       *Timestamp
 	DefaultText string
 	HasBeenSet  bool
+	Destination *Timestamp
 }
 
 // IsSet returns whether or not the flag has been set through env or file
@@ -113,6 +114,11 @@ func (f *TimestampFlag) GetValue() string {
 	return ""
 }
 
+// IsVisible returns true if the flag is not hidden, otherwise false
+func (f *TimestampFlag) IsVisible() bool {
+	return !f.Hidden
+}
+
 // Apply populates the flag given the flag set and environment
 func (f *TimestampFlag) Apply(set *flag.FlagSet) error {
 	if f.Layout == "" {
@@ -123,6 +129,10 @@ func (f *TimestampFlag) Apply(set *flag.FlagSet) error {
 	}
 	f.Value.SetLayout(f.Layout)
 
+	if f.Destination != nil {
+		f.Destination.SetLayout(f.Layout)
+	}
+
 	if val, ok := flagFromEnvOrFile(f.EnvVars, f.FilePath); ok {
 		if err := f.Value.Set(val); err != nil {
 			return fmt.Errorf("could not parse %q as timestamp value for flag %s: %s", val, f.Name, err)
@@ -131,6 +141,11 @@ func (f *TimestampFlag) Apply(set *flag.FlagSet) error {
 	}
 
 	for _, name := range f.Names() {
+		if f.Destination != nil {
+			set.Var(f.Destination, name, f.Usage)
+			continue
+		}
+
 		set.Var(f.Value, name, f.Usage)
 	}
 	return nil
@@ -138,7 +153,7 @@ func (f *TimestampFlag) Apply(set *flag.FlagSet) error {
 
 // Timestamp gets the timestamp from a flag name
 func (c *Context) Timestamp(name string) *time.Time {
-	if fs := lookupFlagSet(name, c); fs != nil {
+	if fs := c.lookupFlagSet(name); fs != nil {
 		return lookupTimestamp(name, fs)
 	}
 	return nil
diff --git a/vendor/github.com/urfave/cli/v2/flag_uint.go b/vendor/github.com/urfave/cli/v2/flag_uint.go
index 2e5e76b0..23a70a7f 100644
--- a/vendor/github.com/urfave/cli/v2/flag_uint.go
+++ b/vendor/github.com/urfave/cli/v2/flag_uint.go
@@ -52,6 +52,11 @@ func (f *UintFlag) GetUsage() string {
 	return f.Usage
 }
 
+// IsVisible returns true if the flag is not hidden, otherwise false
+func (f *UintFlag) IsVisible() bool {
+	return !f.Hidden
+}
+
 // Apply populates the flag given the flag set and environment
 func (f *UintFlag) Apply(set *flag.FlagSet) error {
 	if val, ok := flagFromEnvOrFile(f.EnvVars, f.FilePath); ok {
@@ -86,7 +91,7 @@ func (f *UintFlag) GetValue() string {
 // Uint looks up the value of a local UintFlag, returns
 // 0 if not found
 func (c *Context) Uint(name string) uint {
-	if fs := lookupFlagSet(name, c); fs != nil {
+	if fs := c.lookupFlagSet(name); fs != nil {
 		return lookupUint(name, fs)
 	}
 	return 0
diff --git a/vendor/github.com/urfave/cli/v2/flag_uint64.go b/vendor/github.com/urfave/cli/v2/flag_uint64.go
index 8fc3289d..a2df024e 100644
--- a/vendor/github.com/urfave/cli/v2/flag_uint64.go
+++ b/vendor/github.com/urfave/cli/v2/flag_uint64.go
@@ -52,6 +52,11 @@ func (f *Uint64Flag) GetUsage() string {
 	return f.Usage
 }
 
+// IsVisible returns true if the flag is not hidden, otherwise false
+func (f *Uint64Flag) IsVisible() bool {
+	return !f.Hidden
+}
+
 // Apply populates the flag given the flag set and environment
 func (f *Uint64Flag) Apply(set *flag.FlagSet) error {
 	if val, ok := flagFromEnvOrFile(f.EnvVars, f.FilePath); ok {
@@ -86,7 +91,7 @@ func (f *Uint64Flag) GetValue() string {
 // Uint64 looks up the value of a local Uint64Flag, returns
 // 0 if not found
 func (c *Context) Uint64(name string) uint64 {
-	if fs := lookupFlagSet(name, c); fs != nil {
+	if fs := c.lookupFlagSet(name); fs != nil {
 		return lookupUint64(name, fs)
 	}
 	return 0
diff --git a/vendor/github.com/urfave/cli/v2/funcs.go b/vendor/github.com/urfave/cli/v2/funcs.go
index 474c48fa..842b4aa9 100644
--- a/vendor/github.com/urfave/cli/v2/funcs.go
+++ b/vendor/github.com/urfave/cli/v2/funcs.go
@@ -17,7 +17,7 @@ type ActionFunc func(*Context) error
 // CommandNotFoundFunc is executed if the proper command cannot be found
 type CommandNotFoundFunc func(*Context, string)
 
-// OnUsageErrorFunc is executed if an usage error occurs. This is useful for displaying
+// OnUsageErrorFunc is executed if a usage error occurs. This is useful for displaying
 // customized usage error messages.  This function is able to replace the
 // original error messages.  If this function is not set, the "Incorrect usage"
 // is displayed and the execution is interrupted.
diff --git a/vendor/github.com/urfave/cli/v2/template.go b/vendor/github.com/urfave/cli/v2/template.go
index 31c03f81..39fa4db0 100644
--- a/vendor/github.com/urfave/cli/v2/template.go
+++ b/vendor/github.com/urfave/cli/v2/template.go
@@ -7,7 +7,7 @@ var AppHelpTemplate = `NAME:
    {{.Name}}{{if .Usage}} - {{.Usage}}{{end}}
 
 USAGE:
-   {{if .UsageText}}{{.UsageText}}{{else}}{{.HelpName}} {{if .VisibleFlags}}[global options]{{end}}{{if .Commands}} command [command options]{{end}} {{if .ArgsUsage}}{{.ArgsUsage}}{{else}}[arguments...]{{end}}{{end}}{{if .Version}}{{if not .HideVersion}}
+   {{if .UsageText}}{{.UsageText | nindent 3 | trim}}{{else}}{{.HelpName}} {{if .VisibleFlags}}[global options]{{end}}{{if .Commands}} command [command options]{{end}} {{if .ArgsUsage}}{{.ArgsUsage}}{{else}}[arguments...]{{end}}{{end}}{{if .Version}}{{if not .HideVersion}}
 
 VERSION:
    {{.Version}}{{end}}{{end}}{{if .Description}}
@@ -39,7 +39,7 @@ var CommandHelpTemplate = `NAME:
    {{.HelpName}} - {{.Usage}}
 
 USAGE:
-   {{if .UsageText}}{{.UsageText}}{{else}}{{.HelpName}}{{if .VisibleFlags}} [command options]{{end}} {{if .ArgsUsage}}{{.ArgsUsage}}{{else}}[arguments...]{{end}}{{end}}{{if .Category}}
+   {{if .UsageText}}{{.UsageText | nindent 3 | trim}}{{else}}{{.HelpName}}{{if .VisibleFlags}} [command options]{{end}} {{if .ArgsUsage}}{{.ArgsUsage}}{{else}}[arguments...]{{end}}{{end}}{{if .Category}}
 
 CATEGORY:
    {{.Category}}{{end}}{{if .Description}}
@@ -59,7 +59,7 @@ var SubcommandHelpTemplate = `NAME:
    {{.HelpName}} - {{.Usage}}
 
 USAGE:
-   {{if .UsageText}}{{.UsageText}}{{else}}{{.HelpName}} command{{if .VisibleFlags}} [command options]{{end}} {{if .ArgsUsage}}{{.ArgsUsage}}{{else}}[arguments...]{{end}}{{end}}{{if .Description}}
+   {{if .UsageText}}{{.UsageText | nindent 3 | trim}}{{else}}{{.HelpName}} command{{if .VisibleFlags}} [command options]{{end}} {{if .ArgsUsage}}{{.ArgsUsage}}{{else}}[arguments...]{{end}}{{end}}{{if .Description}}
 
 DESCRIPTION:
    {{.Description | nindent 3 | trim}}{{end}}
@@ -74,9 +74,9 @@ OPTIONS:
    {{end}}{{end}}
 `
 
-var MarkdownDocTemplate = `% {{ .App.Name }} 8
+var MarkdownDocTemplate = `{{if gt .SectionNum 0}}% {{ .App.Name }} {{ .SectionNum }}
 
-# NAME
+{{end}}# NAME
 
 {{ .App.Name }}{{ if .App.Usage }} - {{ .App.Usage }}{{ end }}
 
@@ -86,16 +86,18 @@ var MarkdownDocTemplate = `% {{ .App.Name }} 8
 {{ if .SynopsisArgs }}
 ` + "```" + `
 {{ range $v := .SynopsisArgs }}{{ $v }}{{ end }}` + "```" + `
-{{ end }}{{ if .App.UsageText }}
+{{ end }}{{ if .App.Description }}
 # DESCRIPTION
 
-{{ .App.UsageText }}
+{{ .App.Description }}
 {{ end }}
 **Usage**:
 
-` + "```" + `
+` + "```" + `{{ if .App.UsageText }}
+{{ .App.UsageText }}
+{{ else }}
 {{ .App.Name }} [GLOBAL OPTIONS] command [COMMAND OPTIONS] [ARGUMENTS...]
-` + "```" + `
+{{ end }}` + "```" + `
 {{ if .GlobalArgs }}
 # GLOBAL OPTIONS
 {{ range $v := .GlobalArgs }}
diff --git a/vendor/modules.txt b/vendor/modules.txt
index afb83e4d..2405ea20 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -58,7 +58,7 @@ github.com/sirupsen/logrus
 ## explicit; go 1.13
 github.com/stretchr/testify/assert
 github.com/stretchr/testify/require
-# github.com/urfave/cli/v2 v2.3.0
+# github.com/urfave/cli/v2 v2.4.0
 ## explicit; go 1.11
 github.com/urfave/cli/v2
 # golang.org/x/sys v0.0.0-20211109184856-51b60fd695b3