go: updating modules

It seems this may be the last update to urfave/cli for go1.17, as their
v2.25 uses generics of go1.18 and didn't partition it with build tags
😵😵😵

Signed-off-by: Vincent Batts <vbatts@hashbangbash.com>

go.mod

@@ -6,7 +6,7 @@ require (
 	github.com/davecgh/go-spew v1.1.1
 	github.com/fatih/color v1.13.0
 	github.com/sirupsen/logrus v1.8.1
-	github.com/urfave/cli/v2 v2.10.3
+	github.com/urfave/cli/v2 v2.24.4
 	golang.org/x/crypto v0.0.0-20220622213112-05595931fe9d
 	golang.org/x/sys v0.0.0-20220704084225-05e143d24a9e
 )

go.sum

@@ -1,4 +1,4 @@
-github.com/BurntSushi/toml v1.1.0/go.mod h1:CxXYINrC8qIiEnFrOxCa7Jy5BFHlXnUU2pbicEuybxQ=
+github.com/BurntSushi/toml v1.2.1/go.mod h1:CxXYINrC8qIiEnFrOxCa7Jy5BFHlXnUU2pbicEuybxQ=
 github.com/cpuguy83/go-md2man/v2 v2.0.2 h1:p1EgwI/C7NhT0JmVkwCD2ZBK8j4aeHQX2pMHHBfMQ6w=
 github.com/cpuguy83/go-md2man/v2 v2.0.2/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
@@ -19,8 +19,8 @@ github.com/sirupsen/logrus v1.8.1 h1:dJKuHgqk1NNQlqoA6BTlM1Wf9DOH3NBjQyu0h9+AZZE
 github.com/sirupsen/logrus v1.8.1/go.mod h1:yWOB1SBYBC5VeMP7gHvWumXLIWorT60ONWic61uBYv0=
 github.com/stretchr/testify v1.2.2 h1:bSDNvY7ZPG5RlJ8otE/7V6gMiyenm9RtJ7IUVIAoJ1w=
 github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
-github.com/urfave/cli/v2 v2.10.3 h1:oi571Fxz5aHugfBAJd5nkwSk3fzATXtMlpxdLylSCMo=
+github.com/urfave/cli/v2 v2.24.4 h1:0gyJJEBYtCV87zI/x2nZCPyDxD51K6xM8SkwjHFCNEU=
-github.com/urfave/cli/v2 v2.10.3/go.mod h1:f8iq5LtQ/bLxafbdBSLPPNsgaW0l/2fYYEHhAyPlwvo=
+github.com/urfave/cli/v2 v2.24.4/go.mod h1:GHupkWPMM0M/sj1a2b4wUrWBPzazNrIjouW6fmdJLxc=
 github.com/xrash/smetrics v0.0.0-20201216005158-039620a65673 h1:bAn7/zixMGCfxrRTfdpNzjtPYqr8smhKouy9mxVdGPU=
 github.com/xrash/smetrics v0.0.0-20201216005158-039620a65673/go.mod h1:N3UwUGtsrSj3ccvlPHLoLsHnpR27oXr4ZE984MbSER8=
 golang.org/x/crypto v0.0.0-20220622213112-05595931fe9d h1:sK3txAijHtOK88l68nt020reeT1ZdKLIYetKl95FzVY=
@@ -38,7 +38,6 @@ golang.org/x/sys v0.0.0-20220704084225-05e143d24a9e h1:CsOuNlbOuf0mzxJIefr6Q4uAU
 golang.org/x/sys v0.0.0-20220704084225-05e143d24a9e/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
-golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

vendor/github.com/urfave/cli/v2/.gitignore

@@ -1,10 +1,13 @@
 *.coverprofile
+*.exe
 *.orig
-vendor
+.*envrc
+.envrc
 .idea
-internal/*/built-example
-coverage.txt
 /.local/
 /site/
-
+coverage.txt
+internal/*/built-example
+vendor
+/cmd/urfave-cli-genflags/urfave-cli-genflags
 *.exe

vendor/github.com/urfave/cli/v2/Makefile

@@ -4,8 +4,10 @@
 # are very important so that maintainers and contributors can focus their
 # attention on files that are primarily Go.
 
+GO_RUN_BUILD := go run internal/build/build.go
+
 .PHONY: all
-all: generate vet tag-test test check-binary-size tag-check-binary-size gfmrun v2diff
+all: generate vet test check-binary-size gfmrun yamlfmt v2diff
 
 # NOTE: this is a special catch-all rule to run any of the commands
 # defined in internal/build/build.go with optional arguments passed
@@ -13,28 +15,12 @@ all: generate vet tag-test test check-binary-size tag-check-binary-size gfmrun v
 #
 #   $ make test GFLAGS='--packages cli'
 %:
-	go run internal/build/build.go $(GFLAGS) $* $(FLAGS)
+	$(GO_RUN_BUILD) $(GFLAGS) $* $(FLAGS)
-
-.PHONY: tag-test
-tag-test:
-	go run internal/build/build.go -tags urfave_cli_no_docs test
-
-.PHONY: tag-check-binary-size
-tag-check-binary-size:
-	go run internal/build/build.go -tags urfave_cli_no_docs check-binary-size
-
-.PHONY: gfmrun
-gfmrun:
-	go run internal/build/build.go gfmrun docs/v2/manual.md
 
 .PHONY: docs
 docs:
 	mkdocs build
 
-.PHONY: docs-deps
-docs-deps:
-	pip install -r mkdocs-requirements.txt
-
 .PHONY: serve-docs
 serve-docs:
 	mkdocs serve

vendor/github.com/urfave/cli/v2/README.md

@@ -1,9 +1,9 @@
 # cli
 
-[![GoDoc](https://godoc.org/github.com/urfave/cli?status.svg)](https://pkg.go.dev/github.com/urfave/cli/v2)
+[![Run Tests](https://github.com/urfave/cli/actions/workflows/cli.yml/badge.svg?branch=v2-maint)](https://github.com/urfave/cli/actions/workflows/cli.yml)
-[![codebeat](https://codebeat.co/badges/0a8f30aa-f975-404b-b878-5fab3ae1cc5f)](https://codebeat.co/projects/github-com-urfave-cli)
+[![Go Reference](https://pkg.go.dev/badge/github.com/urfave/cli/v2.svg)](https://pkg.go.dev/github.com/urfave/cli/v2)
-[![Go Report Card](https://goreportcard.com/badge/urfave/cli)](https://goreportcard.com/report/urfave/cli)
+[![Go Report Card](https://goreportcard.com/badge/github.com/urfave/cli/v2)](https://goreportcard.com/report/github.com/urfave/cli/v2)
-[![codecov](https://codecov.io/gh/urfave/cli/branch/main/graph/badge.svg)](https://codecov.io/gh/urfave/cli)
+[![codecov](https://codecov.io/gh/urfave/cli/branch/v2-maint/graph/badge.svg?token=t9YGWLh05g)](https://app.codecov.io/gh/urfave/cli/tree/v2-maint)
 
 cli is a simple, fast, and fun package for building command line apps in Go. The
 goal is to enable developers to write fast and distributable command line

vendor/github.com/urfave/cli/v2/app.go

@@ -8,6 +8,7 @@ import (
 	"os"
 	"path/filepath"
 	"sort"
+	"strings"
 	"time"
 )
 
@@ -20,6 +21,7 @@ var (
 	errInvalidActionType    = NewExitError("ERROR invalid Action type. "+
 		fmt.Sprintf("Must be `func(*Context`)` or `func(*Context) error).  %s", contactSysadmin)+
 		fmt.Sprintf("See %s", appActionDeprecationURL), 2)
+	ignoreFlagPrefix = "test." // this is to ignore test flags when adding flags from other packages
 
 	SuggestFlag               SuggestFlagFunc    = suggestFlag
 	SuggestCommand            SuggestCommandFunc = suggestCommand
@@ -43,6 +45,9 @@ type App struct {
 	Version string
 	// Description of the program
 	Description string
+	// DefaultCommand is the (optional) name of a command
+	// to run if no command names are passed as CLI arguments.
+	DefaultCommand string
 	// List of commands to execute
 	Commands []*Command
 	// List of flags to parse
@@ -74,6 +79,8 @@ type App struct {
 	CommandNotFound CommandNotFoundFunc
 	// Execute this function if a usage error occurs
 	OnUsageError OnUsageErrorFunc
+	// Execute this function when an invalid flag is accessed from the context
+	InvalidFlagAccessHandler InvalidFlagAccessFunc
 	// Compilation date
 	Compiled time.Time
 	// List of all authors who contributed
@@ -98,14 +105,26 @@ type App struct {
 	// cli.go uses text/template to render templates. You can
 	// render custom help text by setting this variable.
 	CustomAppHelpTemplate string
+	// SliceFlagSeparator is used to customize the separator for SliceFlag, the default is ","
+	SliceFlagSeparator string
+	// DisableSliceFlagSeparator is used to disable SliceFlagSeparator, the default is false
+	DisableSliceFlagSeparator bool
 	// Boolean to enable short-option handling so user can combine several
 	// single-character bool arguments into one
 	// i.e. foobar -o -v -> foobar -ov
 	UseShortOptionHandling bool
 	// Enable suggestions for commands and flags
 	Suggest bool
+	// Allows global flags set by libraries which use flag.XXXVar(...) directly
+	// to be parsed through this library
+	AllowExtFlags bool
+	// Treat all flags as normal arguments if true
+	SkipFlagParsing bool
 
 	didSetup  bool
+	separator separatorSpec
+
+	rootCommand *Command
 }
 
 type SuggestFlagFunc func(flags []Flag, provided string, hideHelp bool) string
@@ -127,7 +146,6 @@ func compileTime() time.Time {
 func NewApp() *App {
 	return &App{
 		Name:         filepath.Base(os.Args[0]),
-		HelpName:     filepath.Base(os.Args[0]),
 		Usage:        "A new cli application",
 		UsageText:    "",
 		BashComplete: DefaultAppComplete,
@@ -189,13 +207,35 @@ func (a *App) Setup() {
 		a.ErrWriter = os.Stderr
 	}
 
+	if a.AllowExtFlags {
+		// add global flags added by other packages
+		flag.VisitAll(func(f *flag.Flag) {
+			// skip test flags
+			if !strings.HasPrefix(f.Name, ignoreFlagPrefix) {
+				a.Flags = append(a.Flags, &extFlag{f})
+			}
+		})
+	}
+
+	if len(a.SliceFlagSeparator) != 0 {
+		a.separator.customized = true
+		a.separator.sep = a.SliceFlagSeparator
+	}
+
+	if a.DisableSliceFlagSeparator {
+		a.separator.customized = true
+		a.separator.disabled = true
+	}
+
 	var newCommands []*Command
 
 	for _, c := range a.Commands {
-		if c.HelpName == "" {
+		cname := c.Name
-			c.HelpName = fmt.Sprintf("%s %s", a.HelpName, c.Name)
+		if c.HelpName != "" {
+			cname = c.HelpName
 		}
-
+		c.separator = a.separator
+		c.HelpName = fmt.Sprintf("%s %s", a.HelpName, cname)
 		c.flagCategories = newFlagCategoriesFromFlags(c.Flags)
 		newCommands = append(newCommands, c)
 	}
@@ -221,20 +261,42 @@ func (a *App) Setup() {
 	}
 	sort.Sort(a.categories.(*commandCategories))
 
-	a.flagCategories = newFlagCategories()
+	a.flagCategories = newFlagCategoriesFromFlags(a.Flags)
-	for _, fl := range a.Flags {
-		if cf, ok := fl.(CategorizableFlag); ok {
-			a.flagCategories.AddFlag(cf.GetCategory(), cf)
-		}
-	}
 
 	if a.Metadata == nil {
 		a.Metadata = make(map[string]interface{})
 	}
 }
 
+func (a *App) newRootCommand() *Command {
+	return &Command{
+		Name:                   a.Name,
+		Usage:                  a.Usage,
+		UsageText:              a.UsageText,
+		Description:            a.Description,
+		ArgsUsage:              a.ArgsUsage,
+		BashComplete:           a.BashComplete,
+		Before:                 a.Before,
+		After:                  a.After,
+		Action:                 a.Action,
+		OnUsageError:           a.OnUsageError,
+		Subcommands:            a.Commands,
+		Flags:                  a.Flags,
+		flagCategories:         a.flagCategories,
+		HideHelp:               a.HideHelp,
+		HideHelpCommand:        a.HideHelpCommand,
+		UseShortOptionHandling: a.UseShortOptionHandling,
+		HelpName:               a.HelpName,
+		CustomHelpTemplate:     a.CustomAppHelpTemplate,
+		categories:             a.categories,
+		SkipFlagParsing:        a.SkipFlagParsing,
+		isRoot:                 true,
+		separator:              a.separator,
+	}
+}
+
 func (a *App) newFlagSet() (*flag.FlagSet, error) {
-	return flagSet(a.Name, a.Flags)
+	return flagSet(a.Name, a.Flags, a.separator)
 }
 
 func (a *App) useShortOptionHandling() bool {
@@ -261,96 +323,20 @@ func (a *App) RunContext(ctx context.Context, arguments []string) (err error) {
 	// always appends the completion flag at the end of the command
 	shellComplete, arguments := checkShellCompleteFlag(a, arguments)
 
-	set, err := a.newFlagSet()
+	cCtx := NewContext(a, nil, &Context{Context: ctx})
-	if err != nil {
-		return err
-	}
-
-	err = parseIter(set, a, arguments[1:], shellComplete)
-	nerr := normalizeFlags(a.Flags, set)
-	cCtx := NewContext(a, set, &Context{Context: ctx})
-	if nerr != nil {
-		_, _ = fmt.Fprintln(a.Writer, nerr)
-		_ = ShowAppHelp(cCtx)
-		return nerr
-	}
 	cCtx.shellComplete = shellComplete
 
-	if checkCompletions(cCtx) {
+	a.rootCommand = a.newRootCommand()
-		return nil
+	cCtx.Command = a.rootCommand
-	}
 
-	if err != nil {
+	return a.rootCommand.Run(cCtx, arguments...)
-		if a.OnUsageError != nil {
+}
-			err := a.OnUsageError(cCtx, err, false)
-			a.handleExitCoder(cCtx, err)
-			return err
-		}
-		_, _ = fmt.Fprintf(a.Writer, "%s %s\n\n", "Incorrect Usage.", err.Error())
-		if a.Suggest {
-			if suggestion, err := a.suggestFlagFromError(err, ""); err == nil {
-				fmt.Fprintf(a.Writer, suggestion)
-			}
-		}
-		_ = ShowAppHelp(cCtx)
-		return err
-	}
 
-	if !a.HideHelp && checkHelp(cCtx) {
+// This is a stub function to keep public API unchanged from old code
-		_ = ShowAppHelp(cCtx)
+//
-		return nil
+// Deprecated: use App.Run or App.RunContext
-	}
+func (a *App) RunAsSubcommand(ctx *Context) (err error) {
-
+	return a.RunContext(ctx.Context, ctx.Args().Slice())
-	if !a.HideVersion && checkVersion(cCtx) {
-		ShowVersion(cCtx)
-		return nil
-	}
-
-	cerr := cCtx.checkRequiredFlags(a.Flags)
-	if cerr != nil {
-		_ = ShowAppHelp(cCtx)
-		return cerr
-	}
-
-	if a.After != nil {
-		defer func() {
-			if afterErr := a.After(cCtx); afterErr != nil {
-				if err != nil {
-					err = newMultiError(err, afterErr)
-				} else {
-					err = afterErr
-				}
-			}
-		}()
-	}
-
-	if a.Before != nil {
-		beforeErr := a.Before(cCtx)
-		if beforeErr != nil {
-			a.handleExitCoder(cCtx, beforeErr)
-			err = beforeErr
-			return err
-		}
-	}
-
-	args := cCtx.Args()
-	if args.Present() {
-		name := args.First()
-		c := a.Command(name)
-		if c != nil {
-			return c.Run(cCtx)
-		}
-	}
-
-	if a.Action == nil {
-		a.Action = helpCommand.Action
-	}
-
-	// Run default Action
-	err = a.Action(cCtx)
-
-	a.handleExitCoder(cCtx, err)
-	return err
 }
 
 func (a *App) suggestFlagFromError(err error, command string) (string, error) {
@@ -360,15 +346,17 @@ func (a *App) suggestFlagFromError(err error, command string) (string, error) {
 	}
 
 	flags := a.Flags
+	hideHelp := a.HideHelp
 	if command != "" {
 		cmd := a.Command(command)
 		if cmd == nil {
 			return "", err
 		}
 		flags = cmd.Flags
+		hideHelp = hideHelp || cmd.HideHelp
 	}
 
-	suggestion := SuggestFlag(flags, flag, a.HideHelp)
+	suggestion := SuggestFlag(flags, flag, hideHelp)
 	if len(suggestion) == 0 {
 		return "", err
 	}
@@ -388,116 +376,6 @@ func (a *App) RunAndExitOnError() {
 	}
 }
 
-// RunAsSubcommand invokes the subcommand given the context, parses ctx.Args() to
-// generate command-specific flags
-func (a *App) RunAsSubcommand(ctx *Context) (err error) {
-	// Setup also handles HideHelp and HideHelpCommand
-	a.Setup()
-
-	var newCmds []*Command
-	for _, c := range a.Commands {
-		if c.HelpName == "" {
-			c.HelpName = fmt.Sprintf("%s %s", a.HelpName, c.Name)
-		}
-		newCmds = append(newCmds, c)
-	}
-	a.Commands = newCmds
-
-	set, err := a.newFlagSet()
-	if err != nil {
-		return err
-	}
-
-	err = parseIter(set, a, ctx.Args().Tail(), ctx.shellComplete)
-	nerr := normalizeFlags(a.Flags, set)
-	cCtx := NewContext(a, set, ctx)
-
-	if nerr != nil {
-		_, _ = fmt.Fprintln(a.Writer, nerr)
-		_, _ = fmt.Fprintln(a.Writer)
-		if len(a.Commands) > 0 {
-			_ = ShowSubcommandHelp(cCtx)
-		} else {
-			_ = ShowCommandHelp(ctx, cCtx.Args().First())
-		}
-		return nerr
-	}
-
-	if checkCompletions(cCtx) {
-		return nil
-	}
-
-	if err != nil {
-		if a.OnUsageError != nil {
-			err = a.OnUsageError(cCtx, err, true)
-			a.handleExitCoder(cCtx, err)
-			return err
-		}
-		_, _ = fmt.Fprintf(a.Writer, "%s %s\n\n", "Incorrect Usage.", err.Error())
-		if a.Suggest {
-			if suggestion, err := a.suggestFlagFromError(err, cCtx.Command.Name); err == nil {
-				fmt.Fprintf(a.Writer, suggestion)
-			}
-		}
-		_ = ShowSubcommandHelp(cCtx)
-		return err
-	}
-
-	if len(a.Commands) > 0 {
-		if checkSubcommandHelp(cCtx) {
-			return nil
-		}
-	} else {
-		if checkCommandHelp(ctx, cCtx.Args().First()) {
-			return nil
-		}
-	}
-
-	cerr := cCtx.checkRequiredFlags(a.Flags)
-	if cerr != nil {
-		_ = ShowSubcommandHelp(cCtx)
-		return cerr
-	}
-
-	if a.After != nil {
-		defer func() {
-			afterErr := a.After(cCtx)
-			if afterErr != nil {
-				a.handleExitCoder(cCtx, err)
-				if err != nil {
-					err = newMultiError(err, afterErr)
-				} else {
-					err = afterErr
-				}
-			}
-		}()
-	}
-
-	if a.Before != nil {
-		beforeErr := a.Before(cCtx)
-		if beforeErr != nil {
-			a.handleExitCoder(cCtx, beforeErr)
-			err = beforeErr
-			return err
-		}
-	}
-
-	args := cCtx.Args()
-	if args.Present() {
-		name := args.First()
-		c := a.Command(name)
-		if c != nil {
-			return c.Run(cCtx)
-		}
-	}
-
-	// Run default Action
-	err = a.Action(cCtx)
-
-	a.handleExitCoder(cCtx, err)
-	return err
-}
-
 // Command returns the named command on App. Returns nil if the command does not exist
 func (a *App) Command(name string) *Command {
 	for _, c := range a.Commands {
@@ -570,6 +448,61 @@ func (a *App) handleExitCoder(cCtx *Context, err error) {
 	}
 }
 
+func (a *App) commandNames() []string {
+	var cmdNames []string
+
+	for _, cmd := range a.Commands {
+		cmdNames = append(cmdNames, cmd.Names()...)
+	}
+
+	return cmdNames
+}
+
+func (a *App) validCommandName(checkCmdName string) bool {
+	valid := false
+	allCommandNames := a.commandNames()
+
+	for _, cmdName := range allCommandNames {
+		if checkCmdName == cmdName {
+			valid = true
+			break
+		}
+	}
+
+	return valid
+}
+
+func (a *App) argsWithDefaultCommand(oldArgs Args) Args {
+	if a.DefaultCommand != "" {
+		rawArgs := append([]string{a.DefaultCommand}, oldArgs.Slice()...)
+		newArgs := args(rawArgs)
+
+		return &newArgs
+	}
+
+	return oldArgs
+}
+
+func runFlagActions(c *Context, fs []Flag) error {
+	for _, f := range fs {
+		isSet := false
+		for _, name := range f.Names() {
+			if c.IsSet(name) {
+				isSet = true
+				break
+			}
+		}
+		if isSet {
+			if af, ok := f.(ActionableFlag); ok {
+				if err := af.RunAction(c); err != nil {
+					return err
+				}
+			}
+		}
+	}
+	return nil
+}
+
 // Author represents someone who has contributed to a cli project.
 type Author struct {
 	Name  string // The Authors name
@@ -602,3 +535,15 @@ func HandleAction(action interface{}, cCtx *Context) (err error) {
 
 	return errInvalidActionType
 }
+
+func checkStringSliceIncludes(want string, sSlice []string) bool {
+	found := false
+	for _, s := range sSlice {
+		if want == s {
+			found = true
+			break
+		}
+	}
+
+	return found
+}

vendor/github.com/urfave/cli/v2/category.go

@@ -100,9 +100,24 @@ func newFlagCategories() FlagCategories {
 
 func newFlagCategoriesFromFlags(fs []Flag) FlagCategories {
 	fc := newFlagCategories()
+
+	var categorized bool
 	for _, fl := range fs {
 		if cf, ok := fl.(CategorizableFlag); ok {
-			fc.AddFlag(cf.GetCategory(), cf)
+			if cat := cf.GetCategory(); cat != "" {
+				fc.AddFlag(cat, cf)
+				categorized = true
+			}
+		}
+	}
+
+	if categorized == true {
+		for _, fl := range fs {
+			if cf, ok := fl.(CategorizableFlag); ok {
+				if cf.GetCategory() == "" {
+					fc.AddFlag("", fl)
+				}
+			}
 		}
 	}
 

vendor/github.com/urfave/cli/v2/cli.go

@@ -1,11 +1,13 @@
 // Package cli provides a minimal framework for creating and organizing command line
 // Go applications. cli is designed to be easy to understand and write, the most simple
 // cli application can be written as follows:
+//
 //	func main() {
 //		(&cli.App{}).Run(os.Args)
 //	}
 //
 // Of course this application does not do much, so let's make this an actual application:
+//
 //	func main() {
 //		app := &cli.App{
 //	  		Name: "greet",
@@ -20,4 +22,4 @@
 //	}
 package cli
 
-//go:generate go run internal/genflags/cmd/genflags/main.go
+//go:generate make -C cmd/urfave-cli-genflags run

vendor/github.com/urfave/cli/v2/command.go

@@ -3,6 +3,7 @@ package cli
 import (
 	"flag"
 	"fmt"
+	"reflect"
 	"sort"
 	"strings"
 )
@@ -62,6 +63,14 @@ type Command struct {
 	// cli.go uses text/template to render templates. You can
 	// render custom help text by setting this variable.
 	CustomHelpTemplate string
+
+	// categories contains the categorized commands and is populated on app startup
+	categories CommandCategories
+
+	// if this is a root "special" command
+	isRoot bool
+
+	separator separatorSpec
 }
 
 type Commands []*Command
@@ -89,10 +98,21 @@ func (c *Command) FullName() string {
 	return strings.Join(c.commandNamePath, " ")
 }
 
-// Run invokes the command given the context, parses ctx.Args() to generate command-specific flags
+func (cmd *Command) Command(name string) *Command {
-func (c *Command) Run(ctx *Context) (err error) {
+	for _, c := range cmd.Subcommands {
-	if len(c.Subcommands) > 0 {
+		if c.HasName(name) {
-		return c.startApp(ctx)
+			return c
+		}
+	}
+
+	return nil
+}
+
+func (c *Command) setup(ctx *Context) {
+	if c.Command(helpCommand.Name) == nil && !c.HideHelp {
+		if !c.HideHelpCommand {
+			c.Subcommands = append(c.Subcommands, helpCommand)
+		}
 	}
 
 	if !c.HideHelp && HelpFlag != nil {
@@ -104,42 +124,72 @@ func (c *Command) Run(ctx *Context) (err error) {
 		c.UseShortOptionHandling = true
 	}
 
-	set, err := c.parseFlags(ctx.Args(), ctx.shellComplete)
+	c.categories = newCommandCategories()
+	for _, command := range c.Subcommands {
+		c.categories.AddCommand(command.Category, command)
+	}
+	sort.Sort(c.categories.(*commandCategories))
 
-	cCtx := NewContext(ctx.App, set, ctx)
+	var newCmds []*Command
-	cCtx.Command = c
+	for _, scmd := range c.Subcommands {
-	if checkCommandCompletions(cCtx, c.Name) {
+		if scmd.HelpName == "" {
+			scmd.HelpName = fmt.Sprintf("%s %s", c.HelpName, scmd.Name)
+		}
+		newCmds = append(newCmds, scmd)
+	}
+	c.Subcommands = newCmds
+
+	if c.BashComplete == nil {
+		c.BashComplete = DefaultCompleteWithFlags(c)
+	}
+}
+
+func (c *Command) Run(cCtx *Context, arguments ...string) (err error) {
+
+	if !c.isRoot {
+		c.setup(cCtx)
+	}
+
+	a := args(arguments)
+	set, err := c.parseFlags(&a, cCtx.shellComplete)
+	cCtx.flagSet = set
+
+	if checkCompletions(cCtx) {
 		return nil
 	}
 
 	if err != nil {
 		if c.OnUsageError != nil {
-			err = c.OnUsageError(cCtx, err, false)
+			err = c.OnUsageError(cCtx, err, !c.isRoot)
 			cCtx.App.handleExitCoder(cCtx, err)
 			return err
 		}
-		_, _ = fmt.Fprintln(cCtx.App.Writer, "Incorrect Usage:", err.Error())
+		_, _ = fmt.Fprintf(cCtx.App.Writer, "%s %s\n\n", "Incorrect Usage:", err.Error())
-		_, _ = fmt.Fprintln(cCtx.App.Writer)
+		if cCtx.App.Suggest {
-		if ctx.App.Suggest {
+			if suggestion, err := c.suggestFlagFromError(err, ""); err == nil {
-			if suggestion, err := ctx.App.suggestFlagFromError(err, c.Name); err == nil {
+				fmt.Fprintf(cCtx.App.Writer, "%s", suggestion)
-				fmt.Fprintf(cCtx.App.Writer, suggestion)
+			}
+		}
+		if !c.HideHelp {
+			if c.isRoot {
+				_ = ShowAppHelp(cCtx)
+			} else {
+				_ = ShowCommandHelp(cCtx.parentContext, c.Name)
 			}
 		}
-		_ = ShowCommandHelp(cCtx, c.Name)
 		return err
 	}
 
-	if checkCommandHelp(cCtx, c.Name) {
+	if checkHelp(cCtx) {
+		return helpCommand.Action(cCtx)
+	}
+
+	if c.isRoot && !cCtx.App.HideVersion && checkVersion(cCtx) {
+		ShowVersion(cCtx)
 		return nil
 	}
 
-	cerr := cCtx.checkRequiredFlags(c.Flags)
+	if c.After != nil && !cCtx.shellComplete {
-	if cerr != nil {
-		_ = ShowCommandHelp(cCtx, c.Name)
-		return cerr
-	}
-
-	if c.After != nil {
 		defer func() {
 			afterErr := c.After(cCtx)
 			if afterErr != nil {
@@ -153,35 +203,112 @@ func (c *Command) Run(ctx *Context) (err error) {
 		}()
 	}
 
-	if c.Before != nil {
+	cerr := cCtx.checkRequiredFlags(c.Flags)
-		err = c.Before(cCtx)
+	if cerr != nil {
-		if err != nil {
+		_ = helpCommand.Action(cCtx)
-			cCtx.App.handleExitCoder(cCtx, err)
+		return cerr
+	}
+
+	if c.Before != nil && !cCtx.shellComplete {
+		beforeErr := c.Before(cCtx)
+		if beforeErr != nil {
+			cCtx.App.handleExitCoder(cCtx, beforeErr)
+			err = beforeErr
 			return err
 		}
 	}
 
-	if c.Action == nil {
+	if err = runFlagActions(cCtx, c.Flags); err != nil {
-		c.Action = helpSubcommand.Action
+		return err
+	}
+
+	var cmd *Command
+	args := cCtx.Args()
+	if args.Present() {
+		name := args.First()
+		cmd = c.Command(name)
+		if cmd == nil {
+			hasDefault := cCtx.App.DefaultCommand != ""
+			isFlagName := checkStringSliceIncludes(name, cCtx.FlagNames())
+
+			var (
+				isDefaultSubcommand   = false
+				defaultHasSubcommands = false
+			)
+
+			if hasDefault {
+				dc := cCtx.App.Command(cCtx.App.DefaultCommand)
+				defaultHasSubcommands = len(dc.Subcommands) > 0
+				for _, dcSub := range dc.Subcommands {
+					if checkStringSliceIncludes(name, dcSub.Names()) {
+						isDefaultSubcommand = true
+						break
+					}
+				}
+			}
+
+			if isFlagName || (hasDefault && (defaultHasSubcommands && isDefaultSubcommand)) {
+				argsWithDefault := cCtx.App.argsWithDefaultCommand(args)
+				if !reflect.DeepEqual(args, argsWithDefault) {
+					cmd = cCtx.App.rootCommand.Command(argsWithDefault.First())
+				}
+			}
+		}
+	} else if c.isRoot && cCtx.App.DefaultCommand != "" {
+		if dc := cCtx.App.Command(cCtx.App.DefaultCommand); dc != c {
+			cmd = dc
+		}
+	}
+
+	if cmd != nil {
+		newcCtx := NewContext(cCtx.App, nil, cCtx)
+		newcCtx.Command = cmd
+		return cmd.Run(newcCtx, cCtx.Args().Slice()...)
+	}
+
+	if c.Action == nil {
+		c.Action = helpCommand.Action
 	}
 
-	cCtx.Command = c
 	err = c.Action(cCtx)
 
-	if err != nil {
 	cCtx.App.handleExitCoder(cCtx, err)
-	}
 	return err
 }
 
 func (c *Command) newFlagSet() (*flag.FlagSet, error) {
-	return flagSet(c.Name, c.Flags)
+	return flagSet(c.Name, c.Flags, c.separator)
 }
 
 func (c *Command) useShortOptionHandling() bool {
 	return c.UseShortOptionHandling
 }
 
+func (c *Command) suggestFlagFromError(err error, command string) (string, error) {
+	flag, parseErr := flagFromError(err)
+	if parseErr != nil {
+		return "", err
+	}
+
+	flags := c.Flags
+	hideHelp := c.HideHelp
+	if command != "" {
+		cmd := c.Command(command)
+		if cmd == nil {
+			return "", err
+		}
+		flags = cmd.Flags
+		hideHelp = hideHelp || cmd.HideHelp
+	}
+
+	suggestion := SuggestFlag(flags, flag, hideHelp)
+	if len(suggestion) == 0 {
+		return "", err
+	}
+
+	return fmt.Sprintf(SuggestDidYouMeanTemplate, suggestion) + "\n\n", nil
+}
+
 func (c *Command) parseFlags(args Args, shellComplete bool) (*flag.FlagSet, error) {
 	set, err := c.newFlagSet()
 	if err != nil {
@@ -220,77 +347,38 @@ func (c *Command) HasName(name string) bool {
 	return false
 }
 
-func (c *Command) startApp(ctx *Context) error {
+// VisibleCategories returns a slice of categories and commands that are
-	app := &App{
+// Hidden=false
-		Metadata: ctx.App.Metadata,
+func (c *Command) VisibleCategories() []CommandCategory {
-		Name:     fmt.Sprintf("%s %s", ctx.App.Name, c.Name),
+	ret := []CommandCategory{}
+	for _, category := range c.categories.Categories() {
+		if visible := func() CommandCategory {
+			if len(category.VisibleCommands()) > 0 {
+				return category
 			}
-
+			return nil
-	if c.HelpName == "" {
+		}(); visible != nil {
-		app.HelpName = c.HelpName
+			ret = append(ret, visible)
-	} else {
-		app.HelpName = app.Name
 		}
+	}
+	return ret
+}
 
-	app.Usage = c.Usage
+// VisibleCommands returns a slice of the Commands with Hidden=false
-	app.UsageText = c.UsageText
+func (c *Command) VisibleCommands() []*Command {
-	app.Description = c.Description
+	var ret []*Command
-	app.ArgsUsage = c.ArgsUsage
-
-	// set CommandNotFound
-	app.CommandNotFound = ctx.App.CommandNotFound
-	app.CustomAppHelpTemplate = c.CustomHelpTemplate
-
-	// set the flags and commands
-	app.Commands = c.Subcommands
-	app.Flags = c.Flags
-	app.HideHelp = c.HideHelp
-	app.HideHelpCommand = c.HideHelpCommand
-
-	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
-	app.UseShortOptionHandling = ctx.App.UseShortOptionHandling
-	app.Suggest = ctx.App.Suggest
-
-	app.categories = newCommandCategories()
 	for _, command := range c.Subcommands {
-		app.categories.AddCommand(command.Category, command)
+		if !command.Hidden {
+			ret = append(ret, command)
 		}
-
-	sort.Sort(app.categories.(*commandCategories))
-
-	// bash completion
-	app.EnableBashCompletion = ctx.App.EnableBashCompletion
-	if c.BashComplete != nil {
-		app.BashComplete = c.BashComplete
 	}
-
+	return ret
-	// set the actions
-	app.Before = c.Before
-	app.After = c.After
-	if c.Action != nil {
-		app.Action = c.Action
-	} else {
-		app.Action = helpSubcommand.Action
-	}
-	app.OnUsageError = c.OnUsageError
-
-	for index, cc := range app.Commands {
-		app.Commands[index].commandNamePath = []string{c.Name, cc.Name}
-	}
-
-	return app.RunAsSubcommand(ctx)
 }
 
 // VisibleFlagCategories returns a slice containing all the visible flag categories with the flags they contain
 func (c *Command) VisibleFlagCategories() []VisibleFlagCategory {
 	if c.flagCategories == nil {
-		return []VisibleFlagCategory{}
+		c.flagCategories = newFlagCategoriesFromFlags(c.Flags)
 	}
 	return c.flagCategories.VisibleCategories()
 }

vendor/github.com/urfave/cli/v2/context.go

@@ -3,6 +3,7 @@ package cli
 import (
 	"context"
 	"flag"
+	"fmt"
 	"strings"
 )
 
@@ -46,7 +47,11 @@ func (cCtx *Context) NumFlags() int {
 
 // Set sets a context flag to a value.
 func (cCtx *Context) Set(name, value string) error {
-	return cCtx.flagSet.Set(name, value)
+	if fs := cCtx.lookupFlagSet(name); fs != nil {
+		return fs.Set(name, value)
+	}
+
+	return fmt.Errorf("no such flag -%s", name)
 }
 
 // IsSet determines if the flag was actually set
@@ -77,7 +82,27 @@ func (cCtx *Context) IsSet(name string) bool {
 func (cCtx *Context) LocalFlagNames() []string {
 	var names []string
 	cCtx.flagSet.Visit(makeFlagNameVisitor(&names))
-	return names
+	// Check the flags which have been set via env or file
+	if cCtx.Command != nil && cCtx.Command.Flags != nil {
+		for _, f := range cCtx.Command.Flags {
+			if f.IsSet() {
+				names = append(names, f.Names()...)
+			}
+		}
+	}
+
+	// Sort out the duplicates since flag could be set via multiple
+	// paths
+	m := map[string]struct{}{}
+	var unames []string
+	for _, name := range names {
+		if _, ok := m[name]; !ok {
+			m[name] = struct{}{}
+			unames = append(unames, name)
+		}
+	}
+
+	return unames
 }
 
 // FlagNames returns a slice of flag names used by the this context and all of
@@ -85,7 +110,7 @@ func (cCtx *Context) LocalFlagNames() []string {
 func (cCtx *Context) FlagNames() []string {
 	var names []string
 	for _, pCtx := range cCtx.Lineage() {
-		pCtx.flagSet.Visit(makeFlagNameVisitor(&names))
+		names = append(names, pCtx.LocalFlagNames()...)
 	}
 	return names
 }
@@ -102,6 +127,16 @@ func (cCtx *Context) Lineage() []*Context {
 	return lineage
 }
 
+// Count returns the num of occurences of this flag
+func (cCtx *Context) Count(name string) int {
+	if fs := cCtx.lookupFlagSet(name); fs != nil {
+		if cf, ok := fs.Lookup(name).Value.(Countable); ok {
+			return cf.Count()
+		}
+	}
+	return 0
+}
+
 // Value returns the value of the flag corresponding to `name`
 func (cCtx *Context) Value(name string) interface{} {
 	if fs := cCtx.lookupFlagSet(name); fs != nil {
@@ -158,7 +193,7 @@ func (cCtx *Context) lookupFlagSet(name string) *flag.FlagSet {
 			return c.flagSet
 		}
 	}
-
+	cCtx.onInvalidFlag(name)
 	return nil
 }
 
@@ -170,9 +205,7 @@ func (cCtx *Context) checkRequiredFlags(flags []Flag) requiredFlagsErr {
 			var flagName string
 
 			for _, key := range f.Names() {
-				if len(key) > 1 {
 				flagName = key
-				}
 
 				if cCtx.IsSet(strings.TrimSpace(key)) {
 					flagPresent = true
@@ -192,6 +225,16 @@ func (cCtx *Context) checkRequiredFlags(flags []Flag) requiredFlagsErr {
 	return nil
 }
 
+func (cCtx *Context) onInvalidFlag(name string) {
+	for cCtx != nil {
+		if cCtx.App != nil && cCtx.App.InvalidFlagAccessHandler != nil {
+			cCtx.App.InvalidFlagAccessHandler(cCtx, name)
+			break
+		}
+		cCtx = cCtx.parentContext
+	}
+}
+
 func makeFlagNameVisitor(names *[]string) func(*flag.Flag) {
 	return func(f *flag.Flag) {
 		nameParts := strings.Split(f.Name, ",")

vendor/github.com/urfave/cli/v2/errors.go

@@ -83,7 +83,7 @@ type ExitCoder interface {
 
 type exitError struct {
 	exitCode int
-	message  interface{}
+	err      error
 }
 
 // NewExitError calls Exit to create a new ExitCoder.
@@ -98,23 +98,38 @@ func NewExitError(message interface{}, exitCode int) ExitCoder {
 //
 // This is the simplest way to trigger a non-zero exit code for an App without
 // having to call os.Exit manually. During testing, this behavior can be avoided
-// by overiding the ExitErrHandler function on an App or the package-global
+// by overriding the ExitErrHandler function on an App or the package-global
 // OsExiter function.
 func Exit(message interface{}, exitCode int) ExitCoder {
+	var err error
+
+	switch e := message.(type) {
+	case ErrorFormatter:
+		err = fmt.Errorf("%+v", message)
+	case error:
+		err = e
+	default:
+		err = fmt.Errorf("%+v", message)
+	}
+
 	return &exitError{
-		message:  message,
+		err:      err,
 		exitCode: exitCode,
 	}
 }
 
 func (ee *exitError) Error() string {
-	return fmt.Sprintf("%v", ee.message)
+	return ee.err.Error()
 }
 
 func (ee *exitError) ExitCode() int {
 	return ee.exitCode
 }
 
+func (ee *exitError) Unwrap() error {
+	return ee.err
+}
+
 // HandleExitCoder handles errors implementing ExitCoder by printing their
 // message and calling OsExiter with the given exit code.
 //

vendor/github.com/urfave/cli/v2/fish.go

@@ -98,7 +98,7 @@ func (a *App) prepareFishCommands(commands []*Command, allCommands *[]string, pr
 			a.prepareFishFlags(command.VisibleFlags(), command.Names())...,
 		)
 
-		// recursevly iterate subcommands
+		// recursively iterate subcommands
 		if len(command.Subcommands) > 0 {
 			completions = append(
 				completions,

vendor/github.com/urfave/cli/v2/flag-spec.yaml

@@ -1,50 +1,131 @@
 # NOTE: this file is used by the tool defined in
-# ./internal/genflags/cmd/genflags/main.go which uses the
+# ./cmd/urfave-cli-genflags/main.go which uses the
-# `genflags.Spec` type that maps to this file structure.
+# `Spec` type that maps to this file structure.
-
 flag_types:
-  bool: {}
+  bool:
-  float64: {}
-  int64: {}
-  int: {}
-  time.Duration: {}
-  uint64: {}
-  uint: {}
-
-  string:
     struct_fields:
-      - { name: TakesFile, type: bool }
+      - name: Count
-  Generic:
+        type: int
+        pointer: true
+      - name: DisableDefaultText
+        type: bool
+      - name: Action
+        type: "func(*Context, bool) error"
+  float64:
     struct_fields:
-      - { name: TakesFile, type: bool }
+      - name: Action
-  Path:
+        type: "func(*Context, float64) error"
-    struct_fields:
-      - { name: TakesFile, type: bool }
-
   Float64Slice:
     value_pointer: true
     skip_interfaces:
       - fmt.Stringer
-  Int64Slice:
+    struct_fields:
-    value_pointer: true
+      - name: separator
-    skip_interfaces:
+        type: separatorSpec
-      - fmt.Stringer
+      - name: Action
+        type: "func(*Context, []float64) error"
+  int:
+    struct_fields:
+      - name: Base
+        type: int
+      - name: Action
+        type: "func(*Context, int) error"
   IntSlice:
     value_pointer: true
     skip_interfaces:
       - fmt.Stringer
+    struct_fields:
+      - name: separator
+        type: separatorSpec
+      - name: Action
+        type: "func(*Context, []int) error"
+  int64:
+    struct_fields:
+      - name: Base
+        type: int
+      - name: Action
+        type: "func(*Context, int64) error"
+  Int64Slice:
+    value_pointer: true
+    skip_interfaces:
+      - fmt.Stringer
+    struct_fields:
+      - name: separator
+        type: separatorSpec
+      - name: Action
+        type: "func(*Context, []int64) error"
+  uint:
+    struct_fields:
+      - name: Base
+        type: int
+      - name: Action
+        type: "func(*Context, uint) error"
+  UintSlice:
+    value_pointer: true
+    skip_interfaces:
+      - fmt.Stringer
+    struct_fields:
+      - name: separator
+        type: separatorSpec
+      - name: Action
+        type: "func(*Context, []uint) error"
+  uint64:
+    struct_fields:
+      - name: Base
+        type: int
+      - name: Action
+        type: "func(*Context, uint64) error"
+  Uint64Slice:
+    value_pointer: true
+    skip_interfaces:
+      - fmt.Stringer
+    struct_fields:
+      - name: separator
+        type: separatorSpec
+      - name: Action
+        type: "func(*Context, []uint64) error"
+  string:
+    struct_fields:
+      - name: TakesFile
+        type: bool
+      - name: Action
+        type: "func(*Context, string) error"
   StringSlice:
     value_pointer: true
     skip_interfaces:
       - fmt.Stringer
     struct_fields:
-      - { name: TakesFile, type: bool }
+      - name: separator
+        type: separatorSpec
+      - name: TakesFile
+        type: bool
+      - name: Action
+        type: "func(*Context, []string) error"
+      - name: KeepSpace
+        type: bool
+  time.Duration:
+    struct_fields:
+      - name: Action
+        type: "func(*Context, time.Duration) error"
   Timestamp:
     value_pointer: true
     struct_fields:
-      - { name: Layout, type: string }
+      - name: Layout
-
+        type: string
-  # TODO: enable UintSlice
+      - name: Timezone
-  # UintSlice: {}
+        type: "*time.Location"
-  # TODO: enable Uint64Slice once #1334 lands
+      - name: Action
-  # Uint64Slice: {}
+        type: "func(*Context, *time.Time) error"
+  Generic:
+    no_destination_pointer: true
+    struct_fields:
+      - name: TakesFile
+        type: bool
+      - name: Action
+        type: "func(*Context, interface{}) error"
+  Path:
+    struct_fields:
+      - name: TakesFile
+        type: bool
+      - name: Action
+        type: "func(*Context, Path) error"

vendor/github.com/urfave/cli/v2/flag.go

@@ -4,10 +4,10 @@ import (
 	"errors"
 	"flag"
 	"fmt"
-	"io/ioutil"
+	"io"
+	"os"
 	"regexp"
 	"runtime"
-	"strconv"
 	"strings"
 	"syscall"
 	"time"
@@ -15,6 +15,11 @@ import (
 
 const defaultPlaceholder = "value"
 
+const (
+	defaultSliceFlagSeparator = ","
+	disableSliceFlagSeparator = false
+)
+
 var (
 	slPfx = fmt.Sprintf("sl:::%d:::", time.Now().UTC().UnixNano())
 
@@ -32,6 +37,7 @@ var VersionFlag Flag = &BoolFlag{
 	Name:               "version",
 	Aliases:            []string{"v"},
 	Usage:              "print the version",
+	DisableDefaultText: true,
 }
 
 // HelpFlag prints the help for all commands and subcommands.
@@ -41,6 +47,7 @@ var HelpFlag Flag = &BoolFlag{
 	Name:               "help",
 	Aliases:            []string{"h"},
 	Usage:              "show help",
+	DisableDefaultText: true,
 }
 
 // FlagStringer converts a flag definition to a string. This is used by help
@@ -84,6 +91,12 @@ func (f FlagsByName) Swap(i, j int) {
 	f[i], f[j] = f[j], f[i]
 }
 
+// ActionableFlag is an interface that wraps Flag interface and RunAction operation.
+type ActionableFlag interface {
+	Flag
+	RunAction(*Context) error
+}
+
 // Flag is a common interface related to parsing flags in cli.
 // For more advanced flag parsing techniques, it is recommended that
 // this interface be implemented.
@@ -124,6 +137,14 @@ type DocGenerationFlag interface {
 	GetEnvVars() []string
 }
 
+// DocGenerationSliceFlag extends DocGenerationFlag for slice-based flags.
+type DocGenerationSliceFlag interface {
+	DocGenerationFlag
+
+	// IsSliceFlag returns true for flags that can be given multiple times.
+	IsSliceFlag() bool
+}
+
 // VisibleFlag is an interface that allows to check if a flag is visible
 type VisibleFlag interface {
 	Flag
@@ -140,15 +161,24 @@ type CategorizableFlag interface {
 	GetCategory() string
 }
 
-func flagSet(name string, flags []Flag) (*flag.FlagSet, error) {
+// Countable is an interface to enable detection of flag values which support
+// repetitive flags
+type Countable interface {
+	Count() int
+}
+
+func flagSet(name string, flags []Flag, spec separatorSpec) (*flag.FlagSet, error) {
 	set := flag.NewFlagSet(name, flag.ContinueOnError)
 
 	for _, f := range flags {
+		if c, ok := f.(customizedSeparator); ok {
+			c.WithSeparatorSpec(spec)
+		}
 		if err := f.Apply(set); err != nil {
 			return nil, err
 		}
 	}
-	set.SetOutput(ioutil.Discard)
+	set.SetOutput(io.Discard)
 	return set, nil
 }
 
@@ -249,19 +279,23 @@ func prefixedNames(names []string, placeholder string) string {
 	return prefixed
 }
 
+func envFormat(envVars []string, prefix, sep, suffix string) string {
+	if len(envVars) > 0 {
+		return fmt.Sprintf(" [%s%s%s]", prefix, strings.Join(envVars, sep), suffix)
+	}
+	return ""
+}
+
+func defaultEnvFormat(envVars []string) string {
+	return envFormat(envVars, "$", ", $", "")
+}
+
 func withEnvHint(envVars []string, str string) string {
 	envText := ""
-	if len(envVars) > 0 {
+	if runtime.GOOS != "windows" || os.Getenv("PSHOME") != "" {
-		prefix := "$"
+		envText = defaultEnvFormat(envVars)
-		suffix := ""
+	} else {
-		sep := ", $"
+		envText = envFormat(envVars, "%", "%, %", "%")
-		if runtime.GOOS == "windows" {
-			prefix = "%"
-			suffix = "%"
-			sep = "%, %"
-		}
-
-		envText = fmt.Sprintf(" [%s%s%s]", prefix, strings.Join(envVars, sep), suffix)
 	}
 	return str + envText
 }
@@ -308,80 +342,24 @@ func stringifyFlag(f Flag) string {
 
 	defaultValueString := ""
 
+	// set default text for all flags except bool flags
+	// for bool flags display default text if DisableDefaultText is not
+	// set
+	if bf, ok := f.(*BoolFlag); !ok || !bf.DisableDefaultText {
 		if s := df.GetDefaultText(); s != "" {
 			defaultValueString = fmt.Sprintf(formatDefault("%s"), s)
 		}
+	}
 
 	usageWithDefault := strings.TrimSpace(usage + defaultValueString)
 
-	return withEnvHint(df.GetEnvVars(),
+	pn := prefixedNames(df.Names(), placeholder)
-		fmt.Sprintf("%s\t%s", prefixedNames(df.Names(), placeholder), usageWithDefault))
+	sliceFlag, ok := f.(DocGenerationSliceFlag)
-}
+	if ok && sliceFlag.IsSliceFlag() {
-
+		pn = pn + " [ " + pn + " ]"
-func stringifyIntSliceFlag(f *IntSliceFlag) string {
-	var defaultVals []string
-	if f.Value != nil && len(f.Value.Value()) > 0 {
-		for _, i := range f.Value.Value() {
-			defaultVals = append(defaultVals, strconv.Itoa(i))
-		}
 	}
 
-	return stringifySliceFlag(f.Usage, f.Names(), defaultVals)
+	return withEnvHint(df.GetEnvVars(), fmt.Sprintf("%s\t%s", pn, usageWithDefault))
-}
-
-func stringifyInt64SliceFlag(f *Int64SliceFlag) string {
-	var defaultVals []string
-	if f.Value != nil && len(f.Value.Value()) > 0 {
-		for _, i := range f.Value.Value() {
-			defaultVals = append(defaultVals, strconv.FormatInt(i, 10))
-		}
-	}
-
-	return stringifySliceFlag(f.Usage, f.Names(), defaultVals)
-}
-
-func stringifyFloat64SliceFlag(f *Float64SliceFlag) string {
-	var defaultVals []string
-
-	if f.Value != nil && len(f.Value.Value()) > 0 {
-		for _, i := range f.Value.Value() {
-			defaultVals = append(defaultVals, strings.TrimRight(strings.TrimRight(fmt.Sprintf("%f", i), "0"), "."))
-		}
-	}
-
-	return stringifySliceFlag(f.Usage, f.Names(), defaultVals)
-}
-
-func stringifyStringSliceFlag(f *StringSliceFlag) string {
-	var defaultVals []string
-	if f.Value != nil && len(f.Value.Value()) > 0 {
-		for _, s := range f.Value.Value() {
-			if len(s) > 0 {
-				defaultVals = append(defaultVals, strconv.Quote(s))
-			}
-		}
-	}
-
-	return stringifySliceFlag(f.Usage, f.Names(), defaultVals)
-}
-
-func stringifySliceFlag(usage string, names, defaultVals []string) string {
-	placeholder, usage := unquoteUsage(usage)
-	if placeholder == "" {
-		placeholder = defaultPlaceholder
-	}
-
-	defaultVal := ""
-	if len(defaultVals) > 0 {
-		defaultVal = fmt.Sprintf(formatDefault("%s"), strings.Join(defaultVals, ", "))
-	}
-
-	usageWithDefault := strings.TrimSpace(fmt.Sprintf("%s%s", usage, defaultVal))
-	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 {
@@ -406,7 +384,7 @@ func flagFromEnvOrFile(envVars []string, filePath string) (value string, fromWhe
 	}
 	for _, fileVar := range strings.Split(filePath, ",") {
 		if fileVar != "" {
-			if data, err := ioutil.ReadFile(fileVar); err == nil {
+			if data, err := os.ReadFile(fileVar); err == nil {
 				return string(data), fmt.Sprintf("file %q", filePath), true
 			}
 		}
@@ -414,6 +392,28 @@ func flagFromEnvOrFile(envVars []string, filePath string) (value string, fromWhe
 	return "", "", false
 }
 
-func flagSplitMultiValues(val string) []string {
+type customizedSeparator interface {
-	return strings.Split(val, ",")
+	WithSeparatorSpec(separatorSpec)
+}
+
+type separatorSpec struct {
+	sep        string
+	disabled   bool
+	customized bool
+}
+
+func (s separatorSpec) flagSplitMultiValues(val string) []string {
+	var (
+		disabled bool   = s.disabled
+		sep      string = s.sep
+	)
+	if !s.customized {
+		disabled = disableSliceFlagSeparator
+		sep = defaultSliceFlagSeparator
+	}
+	if disabled {
+		return []string{val}
+	}
+
+	return strings.Split(val, sep)
 }

vendor/github.com/urfave/cli/v2/flag_bool.go

@@ -1,11 +1,63 @@
 package cli
 
 import (
+	"errors"
 	"flag"
 	"fmt"
 	"strconv"
 )
 
+// boolValue needs to implement the boolFlag internal interface in flag
+// to be able to capture bool fields and values
+//
+//	type boolFlag interface {
+//		  Value
+//		  IsBoolFlag() bool
+//	}
+type boolValue struct {
+	destination *bool
+	count       *int
+}
+
+func newBoolValue(val bool, p *bool, count *int) *boolValue {
+	*p = val
+	return &boolValue{
+		destination: p,
+		count:       count,
+	}
+}
+
+func (b *boolValue) Set(s string) error {
+	v, err := strconv.ParseBool(s)
+	if err != nil {
+		err = errors.New("parse error")
+		return err
+	}
+	*b.destination = v
+	if b.count != nil {
+		*b.count = *b.count + 1
+	}
+	return err
+}
+
+func (b *boolValue) Get() interface{} { return *b.destination }
+
+func (b *boolValue) String() string {
+	if b.destination != nil {
+		return strconv.FormatBool(*b.destination)
+	}
+	return strconv.FormatBool(false)
+}
+
+func (b *boolValue) IsBoolFlag() bool { return true }
+
+func (b *boolValue) Count() int {
+	if b.count != nil {
+		return *b.count
+	}
+	return 0
+}
+
 // TakesValue returns true of the flag takes a value, otherwise false
 func (f *BoolFlag) TakesValue() bool {
 	return false
@@ -32,7 +84,7 @@ func (f *BoolFlag) GetDefaultText() string {
 	if f.DefaultText != "" {
 		return f.DefaultText
 	}
-	return fmt.Sprintf("%v", f.Value)
+	return fmt.Sprintf("%v", f.defaultValue)
 }
 
 // GetEnvVars returns the env vars for this flag
@@ -40,8 +92,20 @@ func (f *BoolFlag) GetEnvVars() []string {
 	return f.EnvVars
 }
 
+// RunAction executes flag action if set
+func (f *BoolFlag) RunAction(c *Context) error {
+	if f.Action != nil {
+		return f.Action(c, c.Bool(f.Name))
+	}
+
+	return nil
+}
+
 // Apply populates the flag given the flag set and environment
 func (f *BoolFlag) Apply(set *flag.FlagSet) error {
+	// set default value so that environment wont be able to overwrite it
+	f.defaultValue = f.Value
+
 	if val, source, found := flagFromEnvOrFile(f.EnvVars, f.FilePath); found {
 		if val != "" {
 			valBool, err := strconv.ParseBool(val)
@@ -51,16 +115,28 @@ func (f *BoolFlag) Apply(set *flag.FlagSet) error {
 			}
 
 			f.Value = valBool
+		} else {
+			// empty value implies that the env is defined but set to empty string, we have to assume that this is
+			// what the user wants. If user doesnt want this then the env needs to be deleted or the flag removed from
+			// file
+			f.Value = false
+		}
 		f.HasBeenSet = true
 	}
+
+	count := f.Count
+	dest := f.Destination
+
+	if count == nil {
+		count = new(int)
+	}
+	if dest == nil {
+		dest = new(bool)
 	}
 
 	for _, name := range f.Names() {
-		if f.Destination != nil {
+		value := newBoolValue(f.Value, dest, count)
-			set.BoolVar(f.Destination, name, f.Value, f.Usage)
+		set.Var(value, name, f.Usage)
-			continue
-		}
-		set.Bool(name, f.Value, f.Usage)
 	}
 
 	return nil

vendor/github.com/urfave/cli/v2/flag_duration.go

@@ -32,7 +32,7 @@ func (f *DurationFlag) GetDefaultText() string {
 	if f.DefaultText != "" {
 		return f.DefaultText
 	}
-	return f.GetValue()
+	return f.defaultValue.String()
 }
 
 // GetEnvVars returns the env vars for this flag
@@ -42,6 +42,9 @@ func (f *DurationFlag) GetEnvVars() []string {
 
 // Apply populates the flag given the flag set and environment
 func (f *DurationFlag) Apply(set *flag.FlagSet) error {
+	// set default value so that environment wont be able to overwrite it
+	f.defaultValue = f.Value
+
 	if val, source, found := flagFromEnvOrFile(f.EnvVars, f.FilePath); found {
 		if val != "" {
 			valDuration, err := time.ParseDuration(val)
@@ -70,6 +73,15 @@ func (f *DurationFlag) Get(ctx *Context) time.Duration {
 	return ctx.Duration(f.Name)
 }
 
+// RunAction executes flag action if set
+func (f *DurationFlag) RunAction(c *Context) error {
+	if f.Action != nil {
+		return f.Action(c, c.Duration(f.Name))
+	}
+
+	return nil
+}
+
 // Duration looks up the value of a local DurationFlag, returns
 // 0 if not found
 func (cCtx *Context) Duration(name string) time.Duration {

vendor/github.com/urfave/cli/v2/flag_ext.go

@@ -0,0 +1,48 @@
+package cli
+
+import "flag"
+
+type extFlag struct {
+	f *flag.Flag
+}
+
+func (e *extFlag) Apply(fs *flag.FlagSet) error {
+	fs.Var(e.f.Value, e.f.Name, e.f.Usage)
+	return nil
+}
+
+func (e *extFlag) Names() []string {
+	return []string{e.f.Name}
+}
+
+func (e *extFlag) IsSet() bool {
+	return false
+}
+
+func (e *extFlag) String() string {
+	return FlagStringer(e)
+}
+
+func (e *extFlag) IsVisible() bool {
+	return true
+}
+
+func (e *extFlag) TakesValue() bool {
+	return false
+}
+
+func (e *extFlag) GetUsage() string {
+	return e.f.Usage
+}
+
+func (e *extFlag) GetValue() string {
+	return e.f.Value.String()
+}
+
+func (e *extFlag) GetDefaultText() string {
+	return e.f.DefValue
+}
+
+func (e *extFlag) GetEnvVars() []string {
+	return nil
+}

vendor/github.com/urfave/cli/v2/flag_float64.go

@@ -70,6 +70,15 @@ func (f *Float64Flag) Get(ctx *Context) float64 {
 	return ctx.Float64(f.Name)
 }
 
+// RunAction executes flag action if set
+func (f *Float64Flag) RunAction(c *Context) error {
+	if f.Action != nil {
+		return f.Action(c, c.Float64(f.Name))
+	}
+
+	return nil
+}
+
 // Float64 looks up the value of a local Float64Flag, returns
 // 0 if not found
 func (cCtx *Context) Float64(name string) float64 {

vendor/github.com/urfave/cli/v2/flag_float64_slice.go

@@ -11,6 +11,7 @@ import (
 // Float64Slice wraps []float64 to satisfy flag.Value
 type Float64Slice struct {
 	slice      []float64
+	separator  separatorSpec
 	hasBeenSet bool
 }
 
@@ -29,6 +30,10 @@ func (f *Float64Slice) clone() *Float64Slice {
 	return n
 }
 
+func (f *Float64Slice) WithSeparatorSpec(spec separatorSpec) {
+	f.separator = spec
+}
+
 // 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 {
@@ -43,7 +48,7 @@ func (f *Float64Slice) Set(value string) error {
 		return nil
 	}
 
-	for _, s := range flagSplitMultiValues(value) {
+	for _, s := range f.separator.flagSplitMultiValues(value) {
 		tmp, err := strconv.ParseFloat(strings.TrimSpace(s), 64)
 		if err != nil {
 			return err
@@ -83,7 +88,7 @@ func (f *Float64Slice) Get() interface{} {
 // String returns a readable representation of this value
 // (for usage defaults)
 func (f *Float64SliceFlag) String() string {
-	return withEnvHint(f.GetEnvVars(), stringifyFloat64SliceFlag(f))
+	return FlagStringer(f)
 }
 
 // TakesValue returns true if the flag takes a value, otherwise false
@@ -104,10 +109,13 @@ func (f *Float64SliceFlag) GetCategory() string {
 // GetValue returns the flags value as string representation and an empty
 // string if the flag takes no value at all.
 func (f *Float64SliceFlag) GetValue() string {
-	if f.Value != nil {
+	var defaultVals []string
-		return f.Value.String()
+	if f.Value != nil && len(f.Value.Value()) > 0 {
+		for _, i := range f.Value.Value() {
+			defaultVals = append(defaultVals, strings.TrimRight(strings.TrimRight(fmt.Sprintf("%f", i), "0"), "."))
 		}
-	return ""
+	}
+	return strings.Join(defaultVals, ", ")
 }
 
 // GetDefaultText returns the default text for this flag
@@ -123,6 +131,11 @@ func (f *Float64SliceFlag) GetEnvVars() []string {
 	return f.EnvVars
 }
 
+// IsSliceFlag implements DocGenerationSliceFlag.
+func (f *Float64SliceFlag) IsSliceFlag() bool {
+	return true
+}
+
 // Apply populates the flag given the flag set and environment
 func (f *Float64SliceFlag) Apply(set *flag.FlagSet) error {
 	// apply any default
@@ -140,11 +153,12 @@ func (f *Float64SliceFlag) Apply(set *flag.FlagSet) error {
 		setValue = f.Value.clone()
 	default:
 		setValue = new(Float64Slice)
+		setValue.WithSeparatorSpec(f.separator)
 	}
 
 	if val, source, found := flagFromEnvOrFile(f.EnvVars, f.FilePath); found {
 		if val != "" {
-			for _, s := range flagSplitMultiValues(val) {
+			for _, s := range f.separator.flagSplitMultiValues(val) {
 				if err := setValue.Set(strings.TrimSpace(s)); err != nil {
 					return fmt.Errorf("could not parse %q as float64 slice value from %s for flag %s: %s", val, source, f.Name, err)
 				}
@@ -164,11 +178,24 @@ func (f *Float64SliceFlag) Apply(set *flag.FlagSet) error {
 	return nil
 }
 
+func (f *Float64SliceFlag) WithSeparatorSpec(spec separatorSpec) {
+	f.separator = spec
+}
+
 // Get returns the flag’s value in the given Context.
 func (f *Float64SliceFlag) Get(ctx *Context) []float64 {
 	return ctx.Float64Slice(f.Name)
 }
 
+// RunAction executes flag action if set
+func (f *Float64SliceFlag) RunAction(c *Context) error {
+	if f.Action != nil {
+		return f.Action(c, c.Float64Slice(f.Name))
+	}
+
+	return nil
+}
+
 // Float64Slice looks up the value of a local Float64SliceFlag, returns
 // nil if not found
 func (cCtx *Context) Float64Slice(name string) []float64 {

vendor/github.com/urfave/cli/v2/flag_generic.go

@@ -11,6 +11,19 @@ type Generic interface {
 	String() string
 }
 
+type stringGeneric struct {
+	value string
+}
+
+func (s *stringGeneric) Set(value string) error {
+	s.value = value
+	return nil
+}
+
+func (s *stringGeneric) String() string {
+	return s.value
+}
+
 // TakesValue returns true of the flag takes a value, otherwise false
 func (f *GenericFlag) TakesValue() bool {
 	return true
@@ -40,7 +53,10 @@ func (f *GenericFlag) GetDefaultText() string {
 	if f.DefaultText != "" {
 		return f.DefaultText
 	}
-	return f.GetValue()
+	if f.defaultValue != nil {
+		return f.defaultValue.String()
+	}
+	return ""
 }
 
 // GetEnvVars returns the env vars for this flag
@@ -50,7 +66,12 @@ func (f *GenericFlag) GetEnvVars() []string {
 
 // 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 {
+func (f *GenericFlag) Apply(set *flag.FlagSet) error {
+	// set default value so that environment wont be able to overwrite it
+	if f.Value != nil {
+		f.defaultValue = &stringGeneric{value: f.Value.String()}
+	}
+
 	if val, source, found := flagFromEnvOrFile(f.EnvVars, f.FilePath); found {
 		if val != "" {
 			if err := f.Value.Set(val); err != nil {
@@ -62,6 +83,10 @@ func (f GenericFlag) 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)
 	}
 
@@ -73,6 +98,15 @@ func (f *GenericFlag) Get(ctx *Context) interface{} {
 	return ctx.Generic(f.Name)
 }
 
+// RunAction executes flag action if set
+func (f *GenericFlag) RunAction(c *Context) error {
+	if f.Action != nil {
+		return f.Action(c, c.Generic(f.Name))
+	}
+
+	return nil
+}
+
 // Generic looks up the value of a local GenericFlag, returns
 // nil if not found
 func (cCtx *Context) Generic(name string) interface{} {

vendor/github.com/urfave/cli/v2/flag_int.go

@@ -32,7 +32,7 @@ func (f *IntFlag) GetDefaultText() string {
 	if f.DefaultText != "" {
 		return f.DefaultText
 	}
-	return f.GetValue()
+	return fmt.Sprintf("%d", f.defaultValue)
 }
 
 // GetEnvVars returns the env vars for this flag
@@ -42,9 +42,12 @@ func (f *IntFlag) GetEnvVars() []string {
 
 // Apply populates the flag given the flag set and environment
 func (f *IntFlag) Apply(set *flag.FlagSet) error {
+	// set default value so that environment wont be able to overwrite it
+	f.defaultValue = f.Value
+
 	if val, source, found := flagFromEnvOrFile(f.EnvVars, f.FilePath); found {
 		if val != "" {
-			valInt, err := strconv.ParseInt(val, 0, 64)
+			valInt, err := strconv.ParseInt(val, f.Base, 64)
 
 			if err != nil {
 				return fmt.Errorf("could not parse %q as int value from %s for flag %s: %s", val, source, f.Name, err)
@@ -71,6 +74,15 @@ func (f *IntFlag) Get(ctx *Context) int {
 	return ctx.Int(f.Name)
 }
 
+// RunAction executes flag action if set
+func (f *IntFlag) RunAction(c *Context) error {
+	if f.Action != nil {
+		return f.Action(c, c.Int(f.Name))
+	}
+
+	return nil
+}
+
 // Int looks up the value of a local IntFlag, returns
 // 0 if not found
 func (cCtx *Context) Int(name string) int {

vendor/github.com/urfave/cli/v2/flag_int64.go

@@ -32,7 +32,7 @@ func (f *Int64Flag) GetDefaultText() string {
 	if f.DefaultText != "" {
 		return f.DefaultText
 	}
-	return f.GetValue()
+	return fmt.Sprintf("%d", f.defaultValue)
 }
 
 // GetEnvVars returns the env vars for this flag
@@ -42,9 +42,12 @@ func (f *Int64Flag) GetEnvVars() []string {
 
 // Apply populates the flag given the flag set and environment
 func (f *Int64Flag) Apply(set *flag.FlagSet) error {
+	// set default value so that environment wont be able to overwrite it
+	f.defaultValue = f.Value
+
 	if val, source, found := flagFromEnvOrFile(f.EnvVars, f.FilePath); found {
 		if val != "" {
-			valInt, err := strconv.ParseInt(val, 0, 64)
+			valInt, err := strconv.ParseInt(val, f.Base, 64)
 
 			if err != nil {
 				return fmt.Errorf("could not parse %q as int value from %s for flag %s: %s", val, source, f.Name, err)
@@ -70,6 +73,15 @@ func (f *Int64Flag) Get(ctx *Context) int64 {
 	return ctx.Int64(f.Name)
 }
 
+// RunAction executes flag action if set
+func (f *Int64Flag) RunAction(c *Context) error {
+	if f.Action != nil {
+		return f.Action(c, c.Int64(f.Name))
+	}
+
+	return nil
+}
+
 // Int64 looks up the value of a local Int64Flag, returns
 // 0 if not found
 func (cCtx *Context) Int64(name string) int64 {

vendor/github.com/urfave/cli/v2/flag_int64_slice.go

@@ -11,6 +11,7 @@ import (
 // Int64Slice wraps []int64 to satisfy flag.Value
 type Int64Slice struct {
 	slice      []int64
+	separator  separatorSpec
 	hasBeenSet bool
 }
 
@@ -29,6 +30,10 @@ func (i *Int64Slice) clone() *Int64Slice {
 	return n
 }
 
+func (i *Int64Slice) WithSeparatorSpec(spec separatorSpec) {
+	i.separator = spec
+}
+
 // 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 {
@@ -43,7 +48,7 @@ func (i *Int64Slice) Set(value string) error {
 		return nil
 	}
 
-	for _, s := range flagSplitMultiValues(value) {
+	for _, s := range i.separator.flagSplitMultiValues(value) {
 		tmp, err := strconv.ParseInt(strings.TrimSpace(s), 0, 64)
 		if err != nil {
 			return err
@@ -84,7 +89,7 @@ func (i *Int64Slice) Get() interface{} {
 // String returns a readable representation of this value
 // (for usage defaults)
 func (f *Int64SliceFlag) String() string {
-	return withEnvHint(f.GetEnvVars(), stringifyInt64SliceFlag(f))
+	return FlagStringer(f)
 }
 
 // TakesValue returns true of the flag takes a value, otherwise false
@@ -105,10 +110,13 @@ func (f *Int64SliceFlag) GetCategory() string {
 // GetValue returns the flags value as string representation and an empty
 // string if the flag takes no value at all.
 func (f *Int64SliceFlag) GetValue() string {
-	if f.Value != nil {
+	var defaultVals []string
-		return f.Value.String()
+	if f.Value != nil && len(f.Value.Value()) > 0 {
+		for _, i := range f.Value.Value() {
+			defaultVals = append(defaultVals, strconv.FormatInt(i, 10))
 		}
-	return ""
+	}
+	return strings.Join(defaultVals, ", ")
 }
 
 // GetDefaultText returns the default text for this flag
@@ -124,6 +132,11 @@ func (f *Int64SliceFlag) GetEnvVars() []string {
 	return f.EnvVars
 }
 
+// IsSliceFlag implements DocGenerationSliceFlag.
+func (f *Int64SliceFlag) IsSliceFlag() bool {
+	return true
+}
+
 // Apply populates the flag given the flag set and environment
 func (f *Int64SliceFlag) Apply(set *flag.FlagSet) error {
 	// apply any default
@@ -141,10 +154,11 @@ func (f *Int64SliceFlag) Apply(set *flag.FlagSet) error {
 		setValue = f.Value.clone()
 	default:
 		setValue = new(Int64Slice)
+		setValue.WithSeparatorSpec(f.separator)
 	}
 
 	if val, source, ok := flagFromEnvOrFile(f.EnvVars, f.FilePath); ok && val != "" {
-		for _, s := range flagSplitMultiValues(val) {
+		for _, s := range f.separator.flagSplitMultiValues(val) {
 			if err := setValue.Set(strings.TrimSpace(s)); err != nil {
 				return fmt.Errorf("could not parse %q as int64 slice value from %s for flag %s: %s", val, source, f.Name, err)
 			}
@@ -163,11 +177,24 @@ func (f *Int64SliceFlag) Apply(set *flag.FlagSet) error {
 	return nil
 }
 
+func (f *Int64SliceFlag) WithSeparatorSpec(spec separatorSpec) {
+	f.separator = spec
+}
+
 // Get returns the flag’s value in the given Context.
 func (f *Int64SliceFlag) Get(ctx *Context) []int64 {
 	return ctx.Int64Slice(f.Name)
 }
 
+// RunAction executes flag action if set
+func (f *Int64SliceFlag) RunAction(c *Context) error {
+	if f.Action != nil {
+		return f.Action(c, c.Int64Slice(f.Name))
+	}
+
+	return nil
+}
+
 // Int64Slice looks up the value of a local Int64SliceFlag, returns
 // nil if not found
 func (cCtx *Context) Int64Slice(name string) []int64 {

vendor/github.com/urfave/cli/v2/flag_int_slice.go

@@ -11,6 +11,7 @@ import (
 // IntSlice wraps []int to satisfy flag.Value
 type IntSlice struct {
 	slice      []int
+	separator  separatorSpec
 	hasBeenSet bool
 }
 
@@ -40,6 +41,10 @@ func (i *IntSlice) SetInt(value int) {
 	i.slice = append(i.slice, value)
 }
 
+func (i *IntSlice) WithSeparatorSpec(spec separatorSpec) {
+	i.separator = spec
+}
+
 // Set parses the value into an integer and appends it to the list of values
 func (i *IntSlice) Set(value string) error {
 	if !i.hasBeenSet {
@@ -54,7 +59,7 @@ func (i *IntSlice) Set(value string) error {
 		return nil
 	}
 
-	for _, s := range flagSplitMultiValues(value) {
+	for _, s := range i.separator.flagSplitMultiValues(value) {
 		tmp, err := strconv.ParseInt(strings.TrimSpace(s), 0, 64)
 		if err != nil {
 			return err
@@ -95,7 +100,7 @@ func (i *IntSlice) Get() interface{} {
 // String returns a readable representation of this value
 // (for usage defaults)
 func (f *IntSliceFlag) String() string {
-	return withEnvHint(f.GetEnvVars(), stringifyIntSliceFlag(f))
+	return FlagStringer(f)
 }
 
 // TakesValue returns true of the flag takes a value, otherwise false
@@ -116,10 +121,13 @@ func (f *IntSliceFlag) GetCategory() string {
 // GetValue returns the flags value as string representation and an empty
 // string if the flag takes no value at all.
 func (f *IntSliceFlag) GetValue() string {
-	if f.Value != nil {
+	var defaultVals []string
-		return f.Value.String()
+	if f.Value != nil && len(f.Value.Value()) > 0 {
+		for _, i := range f.Value.Value() {
+			defaultVals = append(defaultVals, strconv.Itoa(i))
 		}
-	return ""
+	}
+	return strings.Join(defaultVals, ", ")
 }
 
 // GetDefaultText returns the default text for this flag
@@ -135,6 +143,11 @@ func (f *IntSliceFlag) GetEnvVars() []string {
 	return f.EnvVars
 }
 
+// IsSliceFlag implements DocGenerationSliceFlag.
+func (f *IntSliceFlag) IsSliceFlag() bool {
+	return true
+}
+
 // Apply populates the flag given the flag set and environment
 func (f *IntSliceFlag) Apply(set *flag.FlagSet) error {
 	// apply any default
@@ -152,10 +165,11 @@ func (f *IntSliceFlag) Apply(set *flag.FlagSet) error {
 		setValue = f.Value.clone()
 	default:
 		setValue = new(IntSlice)
+		setValue.WithSeparatorSpec(f.separator)
 	}
 
 	if val, source, ok := flagFromEnvOrFile(f.EnvVars, f.FilePath); ok && val != "" {
-		for _, s := range flagSplitMultiValues(val) {
+		for _, s := range f.separator.flagSplitMultiValues(val) {
 			if err := setValue.Set(strings.TrimSpace(s)); err != nil {
 				return fmt.Errorf("could not parse %q as int slice value from %s for flag %s: %s", val, source, f.Name, err)
 			}
@@ -174,11 +188,24 @@ func (f *IntSliceFlag) Apply(set *flag.FlagSet) error {
 	return nil
 }
 
+func (f *IntSliceFlag) WithSeparatorSpec(spec separatorSpec) {
+	f.separator = spec
+}
+
 // Get returns the flag’s value in the given Context.
 func (f *IntSliceFlag) Get(ctx *Context) []int {
 	return ctx.IntSlice(f.Name)
 }
 
+// RunAction executes flag action if set
+func (f *IntSliceFlag) RunAction(c *Context) error {
+	if f.Action != nil {
+		return f.Action(c, c.IntSlice(f.Name))
+	}
+
+	return nil
+}
+
 // IntSlice looks up the value of a local IntSliceFlag, returns
 // nil if not found
 func (cCtx *Context) IntSlice(name string) []int {

vendor/github.com/urfave/cli/v2/flag_path.go

@@ -33,10 +33,10 @@ func (f *PathFlag) GetDefaultText() string {
 	if f.DefaultText != "" {
 		return f.DefaultText
 	}
-	if f.Value == "" {
+	if f.defaultValue == "" {
-		return f.Value
+		return f.defaultValue
 	}
-	return fmt.Sprintf("%q", f.Value)
+	return fmt.Sprintf("%q", f.defaultValue)
 }
 
 // GetEnvVars returns the env vars for this flag
@@ -46,6 +46,9 @@ func (f *PathFlag) GetEnvVars() []string {
 
 // Apply populates the flag given the flag set and environment
 func (f *PathFlag) Apply(set *flag.FlagSet) error {
+	// set default value so that environment wont be able to overwrite it
+	f.defaultValue = f.Value
+
 	if val, _, found := flagFromEnvOrFile(f.EnvVars, f.FilePath); found {
 		f.Value = val
 		f.HasBeenSet = true
@@ -67,6 +70,15 @@ func (f *PathFlag) Get(ctx *Context) string {
 	return ctx.Path(f.Name)
 }
 
+// RunAction executes flag action if set
+func (f *PathFlag) RunAction(c *Context) error {
+	if f.Action != nil {
+		return f.Action(c, c.Path(f.Name))
+	}
+
+	return nil
+}
+
 // Path looks up the value of a local PathFlag, returns
 // "" if not found
 func (cCtx *Context) Path(name string) string {

vendor/github.com/urfave/cli/v2/flag_string.go

@@ -31,10 +31,10 @@ func (f *StringFlag) GetDefaultText() string {
 	if f.DefaultText != "" {
 		return f.DefaultText
 	}
-	if f.Value == "" {
+	if f.defaultValue == "" {
-		return f.Value
+		return f.defaultValue
 	}
-	return fmt.Sprintf("%q", f.Value)
+	return fmt.Sprintf("%q", f.defaultValue)
 }
 
 // GetEnvVars returns the env vars for this flag
@@ -44,6 +44,9 @@ func (f *StringFlag) GetEnvVars() []string {
 
 // Apply populates the flag given the flag set and environment
 func (f *StringFlag) Apply(set *flag.FlagSet) error {
+	// set default value so that environment wont be able to overwrite it
+	f.defaultValue = f.Value
+
 	if val, _, found := flagFromEnvOrFile(f.EnvVars, f.FilePath); found {
 		f.Value = val
 		f.HasBeenSet = true
@@ -65,6 +68,15 @@ func (f *StringFlag) Get(ctx *Context) string {
 	return ctx.String(f.Name)
 }
 
+// RunAction executes flag action if set
+func (f *StringFlag) RunAction(c *Context) error {
+	if f.Action != nil {
+		return f.Action(c, c.String(f.Name))
+	}
+
+	return nil
+}
+
 // String looks up the value of a local StringFlag, returns
 // "" if not found
 func (cCtx *Context) String(name string) string {

vendor/github.com/urfave/cli/v2/flag_string_slice.go

@@ -4,13 +4,16 @@ import (
 	"encoding/json"
 	"flag"
 	"fmt"
+	"strconv"
 	"strings"
 )
 
 // StringSlice wraps a []string to satisfy flag.Value
 type StringSlice struct {
 	slice      []string
+	separator  separatorSpec
 	hasBeenSet bool
+	keepSpace  bool
 }
 
 // NewStringSlice creates a *StringSlice with default values
@@ -42,13 +45,20 @@ func (s *StringSlice) Set(value string) error {
 		return nil
 	}
 
-	for _, t := range flagSplitMultiValues(value) {
+	for _, t := range s.separator.flagSplitMultiValues(value) {
-		s.slice = append(s.slice, strings.TrimSpace(t))
+		if !s.keepSpace {
+			t = strings.TrimSpace(t)
+		}
+		s.slice = append(s.slice, t)
 	}
 
 	return nil
 }
 
+func (s *StringSlice) WithSeparatorSpec(spec separatorSpec) {
+	s.separator = spec
+}
+
 // String returns a readable representation of this value (for usage defaults)
 func (s *StringSlice) String() string {
 	return fmt.Sprintf("%s", s.slice)
@@ -73,7 +83,7 @@ func (s *StringSlice) Get() interface{} {
 // String returns a readable representation of this value
 // (for usage defaults)
 func (f *StringSliceFlag) String() string {
-	return withEnvHint(f.GetEnvVars(), stringifyStringSliceFlag(f))
+	return FlagStringer(f)
 }
 
 // TakesValue returns true of the flag takes a value, otherwise false
@@ -94,10 +104,15 @@ func (f *StringSliceFlag) GetCategory() string {
 // GetValue returns the flags value as string representation and an empty
 // string if the flag takes no value at all.
 func (f *StringSliceFlag) GetValue() string {
-	if f.Value != nil {
+	var defaultVals []string
-		return f.Value.String()
+	if f.Value != nil && len(f.Value.Value()) > 0 {
+		for _, s := range f.Value.Value() {
+			if len(s) > 0 {
+				defaultVals = append(defaultVals, strconv.Quote(s))
 			}
-	return ""
+		}
+	}
+	return strings.Join(defaultVals, ", ")
 }
 
 // GetDefaultText returns the default text for this flag
@@ -113,6 +128,11 @@ func (f *StringSliceFlag) GetEnvVars() []string {
 	return f.EnvVars
 }
 
+// IsSliceFlag implements DocGenerationSliceFlag.
+func (f *StringSliceFlag) IsSliceFlag() bool {
+	return true
+}
+
 // Apply populates the flag given the flag set and environment
 func (f *StringSliceFlag) Apply(set *flag.FlagSet) error {
 	// apply any default
@@ -130,11 +150,17 @@ func (f *StringSliceFlag) Apply(set *flag.FlagSet) error {
 		setValue = f.Value.clone()
 	default:
 		setValue = new(StringSlice)
+		setValue.WithSeparatorSpec(f.separator)
 	}
 
+	setValue.keepSpace = f.KeepSpace
+
 	if val, source, found := flagFromEnvOrFile(f.EnvVars, f.FilePath); found {
-		for _, s := range flagSplitMultiValues(val) {
+		for _, s := range f.separator.flagSplitMultiValues(val) {
-			if err := setValue.Set(strings.TrimSpace(s)); err != nil {
+			if !f.KeepSpace {
+				s = strings.TrimSpace(s)
+			}
+			if err := setValue.Set(s); err != nil {
 				return fmt.Errorf("could not parse %q as string value from %s for flag %s: %s", val, source, f.Name, err)
 			}
 		}
@@ -152,11 +178,24 @@ func (f *StringSliceFlag) Apply(set *flag.FlagSet) error {
 	return nil
 }
 
+func (f *StringSliceFlag) WithSeparatorSpec(spec separatorSpec) {
+	f.separator = spec
+}
+
 // Get returns the flag’s value in the given Context.
 func (f *StringSliceFlag) Get(ctx *Context) []string {
 	return ctx.StringSlice(f.Name)
 }
 
+// RunAction executes flag action if set
+func (f *StringSliceFlag) RunAction(c *Context) error {
+	if f.Action != nil {
+		return f.Action(c, c.StringSlice(f.Name))
+	}
+
+	return nil
+}
+
 // StringSlice looks up the value of a local StringSliceFlag, returns
 // nil if not found
 func (cCtx *Context) StringSlice(name string) []string {

vendor/github.com/urfave/cli/v2/flag_timestamp.go

@@ -11,6 +11,7 @@ type Timestamp struct {
 	timestamp  *time.Time
 	hasBeenSet bool
 	layout     string
+	location   *time.Location
 }
 
 // Timestamp constructor
@@ -31,9 +32,22 @@ func (t *Timestamp) SetLayout(layout string) {
 	t.layout = layout
 }
 
+// Set perceived timezone of the to-be parsed time string
+func (t *Timestamp) SetLocation(loc *time.Location) {
+	t.location = loc
+}
+
 // Parses the string value to timestamp
 func (t *Timestamp) Set(value string) error {
-	timestamp, err := time.Parse(t.layout, value)
+	var timestamp time.Time
+	var err error
+
+	if t.location != nil {
+		timestamp, err = time.ParseInLocation(t.layout, value, t.location)
+	} else {
+		timestamp, err = time.Parse(t.layout, value)
+	}
+
 	if err != nil {
 		return err
 	}
@@ -58,6 +72,25 @@ func (t *Timestamp) Get() interface{} {
 	return *t
 }
 
+// clone timestamp
+func (t *Timestamp) clone() *Timestamp {
+	tc := &Timestamp{
+		timestamp:  nil,
+		hasBeenSet: t.hasBeenSet,
+		layout:     t.layout,
+		location:   nil,
+	}
+	if t.timestamp != nil {
+		tts := *t.timestamp
+		tc.timestamp = &tts
+	}
+	if t.location != nil {
+		loc := *t.location
+		tc.location = &loc
+	}
+	return tc
+}
+
 // TakesValue returns true of the flag takes a value, otherwise false
 func (f *TimestampFlag) TakesValue() bool {
 	return true
@@ -76,7 +109,7 @@ func (f *TimestampFlag) GetCategory() string {
 // GetValue returns the flags value as string representation and an empty
 // string if the flag takes no value at all.
 func (f *TimestampFlag) GetValue() string {
-	if f.Value != nil {
+	if f.Value != nil && f.Value.timestamp != nil {
 		return f.Value.timestamp.String()
 	}
 	return ""
@@ -87,7 +120,11 @@ func (f *TimestampFlag) GetDefaultText() string {
 	if f.DefaultText != "" {
 		return f.DefaultText
 	}
-	return f.GetValue()
+	if f.defaultValue != nil && f.defaultValue.timestamp != nil {
+		return f.defaultValue.timestamp.String()
+	}
+
+	return ""
 }
 
 // GetEnvVars returns the env vars for this flag
@@ -104,9 +141,13 @@ func (f *TimestampFlag) Apply(set *flag.FlagSet) error {
 		f.Value = &Timestamp{}
 	}
 	f.Value.SetLayout(f.Layout)
+	f.Value.SetLocation(f.Timezone)
+
+	f.defaultValue = f.Value.clone()
 
 	if f.Destination != nil {
 		f.Destination.SetLayout(f.Layout)
+		f.Destination.SetLocation(f.Timezone)
 	}
 
 	if val, source, found := flagFromEnvOrFile(f.EnvVars, f.FilePath); found {
@@ -132,6 +173,15 @@ func (f *TimestampFlag) Get(ctx *Context) *time.Time {
 	return ctx.Timestamp(f.Name)
 }
 
+// RunAction executes flag action if set
+func (f *TimestampFlag) RunAction(c *Context) error {
+	if f.Action != nil {
+		return f.Action(c, c.Timestamp(f.Name))
+	}
+
+	return nil
+}
+
 // Timestamp gets the timestamp from a flag name
 func (cCtx *Context) Timestamp(name string) *time.Time {
 	if fs := cCtx.lookupFlagSet(name); fs != nil {

vendor/github.com/urfave/cli/v2/flag_uint.go

@@ -23,9 +23,12 @@ func (f *UintFlag) GetCategory() string {
 
 // Apply populates the flag given the flag set and environment
 func (f *UintFlag) Apply(set *flag.FlagSet) error {
+	// set default value so that environment wont be able to overwrite it
+	f.defaultValue = f.Value
+
 	if val, source, found := flagFromEnvOrFile(f.EnvVars, f.FilePath); found {
 		if val != "" {
-			valInt, err := strconv.ParseUint(val, 0, 64)
+			valInt, err := strconv.ParseUint(val, f.Base, 64)
 			if err != nil {
 				return fmt.Errorf("could not parse %q as uint value from %s for flag %s: %s", val, source, f.Name, err)
 			}
@@ -46,6 +49,15 @@ func (f *UintFlag) Apply(set *flag.FlagSet) error {
 	return nil
 }
 
+// RunAction executes flag action if set
+func (f *UintFlag) RunAction(c *Context) error {
+	if f.Action != nil {
+		return f.Action(c, c.Uint(f.Name))
+	}
+
+	return nil
+}
+
 // GetValue returns the flags value as string representation and an empty
 // string if the flag takes no value at all.
 func (f *UintFlag) GetValue() string {
@@ -57,7 +69,7 @@ func (f *UintFlag) GetDefaultText() string {
 	if f.DefaultText != "" {
 		return f.DefaultText
 	}
-	return f.GetValue()
+	return fmt.Sprintf("%d", f.defaultValue)
 }
 
 // GetEnvVars returns the env vars for this flag

vendor/github.com/urfave/cli/v2/flag_uint64.go

@@ -23,9 +23,12 @@ func (f *Uint64Flag) GetCategory() string {
 
 // Apply populates the flag given the flag set and environment
 func (f *Uint64Flag) Apply(set *flag.FlagSet) error {
+	// set default value so that environment wont be able to overwrite it
+	f.defaultValue = f.Value
+
 	if val, source, found := flagFromEnvOrFile(f.EnvVars, f.FilePath); found {
 		if val != "" {
-			valInt, err := strconv.ParseUint(val, 0, 64)
+			valInt, err := strconv.ParseUint(val, f.Base, 64)
 			if err != nil {
 				return fmt.Errorf("could not parse %q as uint64 value from %s for flag %s: %s", val, source, f.Name, err)
 			}
@@ -46,6 +49,15 @@ func (f *Uint64Flag) Apply(set *flag.FlagSet) error {
 	return nil
 }
 
+// RunAction executes flag action if set
+func (f *Uint64Flag) RunAction(c *Context) error {
+	if f.Action != nil {
+		return f.Action(c, c.Uint64(f.Name))
+	}
+
+	return nil
+}
+
 // GetValue returns the flags value as string representation and an empty
 // string if the flag takes no value at all.
 func (f *Uint64Flag) GetValue() string {
@@ -57,7 +69,7 @@ func (f *Uint64Flag) GetDefaultText() string {
 	if f.DefaultText != "" {
 		return f.DefaultText
 	}
-	return f.GetValue()
+	return fmt.Sprintf("%d", f.defaultValue)
 }
 
 // GetEnvVars returns the env vars for this flag

vendor/github.com/urfave/cli/v2/flag_uint64_slice.go

@@ -0,0 +1,210 @@
+package cli
+
+import (
+	"encoding/json"
+	"flag"
+	"fmt"
+	"strconv"
+	"strings"
+)
+
+// Uint64Slice wraps []int64 to satisfy flag.Value
+type Uint64Slice struct {
+	slice      []uint64
+	separator  separatorSpec
+	hasBeenSet bool
+}
+
+// NewUint64Slice makes an *Uint64Slice with default values
+func NewUint64Slice(defaults ...uint64) *Uint64Slice {
+	return &Uint64Slice{slice: append([]uint64{}, defaults...)}
+}
+
+// clone allocate a copy of self object
+func (i *Uint64Slice) clone() *Uint64Slice {
+	n := &Uint64Slice{
+		slice:      make([]uint64, 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 *Uint64Slice) Set(value string) error {
+	if !i.hasBeenSet {
+		i.slice = []uint64{}
+		i.hasBeenSet = true
+	}
+
+	if strings.HasPrefix(value, slPfx) {
+		// Deserializing assumes overwrite
+		_ = json.Unmarshal([]byte(strings.Replace(value, slPfx, "", 1)), &i.slice)
+		i.hasBeenSet = true
+		return nil
+	}
+
+	for _, s := range i.separator.flagSplitMultiValues(value) {
+		tmp, err := strconv.ParseUint(strings.TrimSpace(s), 0, 64)
+		if err != nil {
+			return err
+		}
+
+		i.slice = append(i.slice, tmp)
+	}
+
+	return nil
+}
+
+func (i *Uint64Slice) WithSeparatorSpec(spec separatorSpec) {
+	i.separator = spec
+}
+
+// String returns a readable representation of this value (for usage defaults)
+func (i *Uint64Slice) String() string {
+	v := i.slice
+	if v == nil {
+		// treat nil the same as zero length non-nil
+		v = make([]uint64, 0)
+	}
+	str := fmt.Sprintf("%d", v)
+	str = strings.Replace(str, " ", ", ", -1)
+	str = strings.Replace(str, "[", "{", -1)
+	str = strings.Replace(str, "]", "}", -1)
+	return fmt.Sprintf("[]uint64%s", str)
+}
+
+// Serialize allows Uint64Slice to fulfill Serializer
+func (i *Uint64Slice) Serialize() string {
+	jsonBytes, _ := json.Marshal(i.slice)
+	return fmt.Sprintf("%s%s", slPfx, string(jsonBytes))
+}
+
+// Value returns the slice of ints set by this flag
+func (i *Uint64Slice) Value() []uint64 {
+	return i.slice
+}
+
+// Get returns the slice of ints set by this flag
+func (i *Uint64Slice) Get() interface{} {
+	return *i
+}
+
+// String returns a readable representation of this value
+// (for usage defaults)
+func (f *Uint64SliceFlag) String() string {
+	return FlagStringer(f)
+}
+
+// TakesValue returns true of the flag takes a value, otherwise false
+func (f *Uint64SliceFlag) TakesValue() bool {
+	return true
+}
+
+// GetUsage returns the usage string for the flag
+func (f *Uint64SliceFlag) GetUsage() string {
+	return f.Usage
+}
+
+// GetCategory returns the category for the flag
+func (f *Uint64SliceFlag) GetCategory() string {
+	return f.Category
+}
+
+// GetValue returns the flags value as string representation and an empty
+// string if the flag takes no value at all.
+func (f *Uint64SliceFlag) GetValue() string {
+	var defaultVals []string
+	if f.Value != nil && len(f.Value.Value()) > 0 {
+		for _, i := range f.Value.Value() {
+			defaultVals = append(defaultVals, strconv.FormatUint(i, 10))
+		}
+	}
+	return strings.Join(defaultVals, ", ")
+}
+
+// GetDefaultText returns the default text for this flag
+func (f *Uint64SliceFlag) GetDefaultText() string {
+	if f.DefaultText != "" {
+		return f.DefaultText
+	}
+	return f.GetValue()
+}
+
+// GetEnvVars returns the env vars for this flag
+func (f *Uint64SliceFlag) GetEnvVars() []string {
+	return f.EnvVars
+}
+
+// IsSliceFlag implements DocGenerationSliceFlag.
+func (f *Uint64SliceFlag) IsSliceFlag() bool {
+	return true
+}
+
+// Apply populates the flag given the flag set and environment
+func (f *Uint64SliceFlag) Apply(set *flag.FlagSet) error {
+	// apply any default
+	if f.Destination != nil && f.Value != nil {
+		f.Destination.slice = make([]uint64, len(f.Value.slice))
+		copy(f.Destination.slice, f.Value.slice)
+	}
+
+	// resolve setValue (what we will assign to the set)
+	var setValue *Uint64Slice
+	switch {
+	case f.Destination != nil:
+		setValue = f.Destination
+	case f.Value != nil:
+		setValue = f.Value.clone()
+	default:
+		setValue = new(Uint64Slice)
+		setValue.WithSeparatorSpec(f.separator)
+	}
+
+	if val, source, ok := flagFromEnvOrFile(f.EnvVars, f.FilePath); ok && val != "" {
+		for _, s := range f.separator.flagSplitMultiValues(val) {
+			if err := setValue.Set(strings.TrimSpace(s)); err != nil {
+				return fmt.Errorf("could not parse %q as uint64 slice value from %s for flag %s: %s", val, source, f.Name, err)
+			}
+		}
+
+		// 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.
+		setValue.hasBeenSet = false
+		f.HasBeenSet = true
+	}
+
+	for _, name := range f.Names() {
+		set.Var(setValue, name, f.Usage)
+	}
+
+	return nil
+}
+
+func (f *Uint64SliceFlag) WithSeparatorSpec(spec separatorSpec) {
+	f.separator = spec
+}
+
+// Get returns the flag’s value in the given Context.
+func (f *Uint64SliceFlag) Get(ctx *Context) []uint64 {
+	return ctx.Uint64Slice(f.Name)
+}
+
+// Uint64Slice looks up the value of a local Uint64SliceFlag, returns
+// nil if not found
+func (cCtx *Context) Uint64Slice(name string) []uint64 {
+	if fs := cCtx.lookupFlagSet(name); fs != nil {
+		return lookupUint64Slice(name, fs)
+	}
+	return nil
+}
+
+func lookupUint64Slice(name string, set *flag.FlagSet) []uint64 {
+	f := set.Lookup(name)
+	if f != nil {
+		if slice, ok := unwrapFlagValue(f.Value).(*Uint64Slice); ok {
+			return slice.Value()
+		}
+	}
+	return nil
+}

vendor/github.com/urfave/cli/v2/flag_uint_slice.go

@@ -0,0 +1,221 @@
+package cli
+
+import (
+	"encoding/json"
+	"flag"
+	"fmt"
+	"strconv"
+	"strings"
+)
+
+// UintSlice wraps []int to satisfy flag.Value
+type UintSlice struct {
+	slice      []uint
+	separator  separatorSpec
+	hasBeenSet bool
+}
+
+// NewUintSlice makes an *UintSlice with default values
+func NewUintSlice(defaults ...uint) *UintSlice {
+	return &UintSlice{slice: append([]uint{}, defaults...)}
+}
+
+// clone allocate a copy of self object
+func (i *UintSlice) clone() *UintSlice {
+	n := &UintSlice{
+		slice:      make([]uint, 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 *UintSlice) SetUint(value uint) {
+	if !i.hasBeenSet {
+		i.slice = []uint{}
+		i.hasBeenSet = true
+	}
+
+	i.slice = append(i.slice, value)
+}
+
+// Set parses the value into an integer and appends it to the list of values
+func (i *UintSlice) Set(value string) error {
+	if !i.hasBeenSet {
+		i.slice = []uint{}
+		i.hasBeenSet = true
+	}
+
+	if strings.HasPrefix(value, slPfx) {
+		// Deserializing assumes overwrite
+		_ = json.Unmarshal([]byte(strings.Replace(value, slPfx, "", 1)), &i.slice)
+		i.hasBeenSet = true
+		return nil
+	}
+
+	for _, s := range i.separator.flagSplitMultiValues(value) {
+		tmp, err := strconv.ParseUint(strings.TrimSpace(s), 0, 32)
+		if err != nil {
+			return err
+		}
+
+		i.slice = append(i.slice, uint(tmp))
+	}
+
+	return nil
+}
+
+func (i *UintSlice) WithSeparatorSpec(spec separatorSpec) {
+	i.separator = spec
+}
+
+// String returns a readable representation of this value (for usage defaults)
+func (i *UintSlice) String() string {
+	v := i.slice
+	if v == nil {
+		// treat nil the same as zero length non-nil
+		v = make([]uint, 0)
+	}
+	str := fmt.Sprintf("%d", v)
+	str = strings.Replace(str, " ", ", ", -1)
+	str = strings.Replace(str, "[", "{", -1)
+	str = strings.Replace(str, "]", "}", -1)
+	return fmt.Sprintf("[]uint%s", str)
+}
+
+// Serialize allows UintSlice to fulfill Serializer
+func (i *UintSlice) Serialize() string {
+	jsonBytes, _ := json.Marshal(i.slice)
+	return fmt.Sprintf("%s%s", slPfx, string(jsonBytes))
+}
+
+// Value returns the slice of ints set by this flag
+func (i *UintSlice) Value() []uint {
+	return i.slice
+}
+
+// Get returns the slice of ints set by this flag
+func (i *UintSlice) Get() interface{} {
+	return *i
+}
+
+// String returns a readable representation of this value
+// (for usage defaults)
+func (f *UintSliceFlag) String() string {
+	return FlagStringer(f)
+}
+
+// TakesValue returns true of the flag takes a value, otherwise false
+func (f *UintSliceFlag) TakesValue() bool {
+	return true
+}
+
+// GetUsage returns the usage string for the flag
+func (f *UintSliceFlag) GetUsage() string {
+	return f.Usage
+}
+
+// GetCategory returns the category for the flag
+func (f *UintSliceFlag) GetCategory() string {
+	return f.Category
+}
+
+// GetValue returns the flags value as string representation and an empty
+// string if the flag takes no value at all.
+func (f *UintSliceFlag) GetValue() string {
+	var defaultVals []string
+	if f.Value != nil && len(f.Value.Value()) > 0 {
+		for _, i := range f.Value.Value() {
+			defaultVals = append(defaultVals, strconv.FormatUint(uint64(i), 10))
+		}
+	}
+	return strings.Join(defaultVals, ", ")
+}
+
+// GetDefaultText returns the default text for this flag
+func (f *UintSliceFlag) GetDefaultText() string {
+	if f.DefaultText != "" {
+		return f.DefaultText
+	}
+	return f.GetValue()
+}
+
+// GetEnvVars returns the env vars for this flag
+func (f *UintSliceFlag) GetEnvVars() []string {
+	return f.EnvVars
+}
+
+// IsSliceFlag implements DocGenerationSliceFlag.
+func (f *UintSliceFlag) IsSliceFlag() bool {
+	return true
+}
+
+// Apply populates the flag given the flag set and environment
+func (f *UintSliceFlag) Apply(set *flag.FlagSet) error {
+	// apply any default
+	if f.Destination != nil && f.Value != nil {
+		f.Destination.slice = make([]uint, len(f.Value.slice))
+		copy(f.Destination.slice, f.Value.slice)
+	}
+
+	// resolve setValue (what we will assign to the set)
+	var setValue *UintSlice
+	switch {
+	case f.Destination != nil:
+		setValue = f.Destination
+	case f.Value != nil:
+		setValue = f.Value.clone()
+	default:
+		setValue = new(UintSlice)
+		setValue.WithSeparatorSpec(f.separator)
+	}
+
+	if val, source, ok := flagFromEnvOrFile(f.EnvVars, f.FilePath); ok && val != "" {
+		for _, s := range f.separator.flagSplitMultiValues(val) {
+			if err := setValue.Set(strings.TrimSpace(s)); err != nil {
+				return fmt.Errorf("could not parse %q as uint slice value from %s for flag %s: %s", val, source, f.Name, err)
+			}
+		}
+
+		// 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.
+		setValue.hasBeenSet = false
+		f.HasBeenSet = true
+	}
+
+	for _, name := range f.Names() {
+		set.Var(setValue, name, f.Usage)
+	}
+
+	return nil
+}
+
+func (f *UintSliceFlag) WithSeparatorSpec(spec separatorSpec) {
+	f.separator = spec
+}
+
+// Get returns the flag’s value in the given Context.
+func (f *UintSliceFlag) Get(ctx *Context) []uint {
+	return ctx.UintSlice(f.Name)
+}
+
+// UintSlice looks up the value of a local UintSliceFlag, returns
+// nil if not found
+func (cCtx *Context) UintSlice(name string) []uint {
+	if fs := cCtx.lookupFlagSet(name); fs != nil {
+		return lookupUintSlice(name, fs)
+	}
+	return nil
+}
+
+func lookupUintSlice(name string, set *flag.FlagSet) []uint {
+	f := set.Lookup(name)
+	if f != nil {
+		if slice, ok := unwrapFlagValue(f.Value).(*UintSlice); ok {
+			return slice.Value()
+		}
+	}
+	return nil
+}

vendor/github.com/urfave/cli/v2/funcs.go

@@ -23,6 +23,9 @@ type CommandNotFoundFunc func(*Context, string)
 // is displayed and the execution is interrupted.
 type OnUsageErrorFunc func(cCtx *Context, err error, isSubcommand bool) error
 
+// InvalidFlagAccessFunc is executed when an invalid flag is accessed from the context.
+type InvalidFlagAccessFunc func(*Context, string)
+
 // ExitErrHandlerFunc is executed if provided in order to handle exitError values
 // returned by Actions and Before/After functions.
 type ExitErrHandlerFunc func(cCtx *Context, err error)

vendor/github.com/urfave/cli/v2/help.go

@@ -15,6 +15,15 @@ const (
 	helpAlias = "h"
 )
 
+// this instance is to avoid recursion in the ShowCommandHelp which can
+// add a help command again
+var helpCommandDontUse = &Command{
+	Name:      helpName,
+	Aliases:   []string{helpAlias},
+	Usage:     "Shows a list of commands or help for one command",
+	ArgsUsage: "[command]",
+}
+
 var helpCommand = &Command{
 	Name:      helpName,
 	Aliases:   []string{helpAlias},
@@ -22,26 +31,52 @@ var helpCommand = &Command{
 	ArgsUsage: "[command]",
 	Action: func(cCtx *Context) error {
 		args := cCtx.Args()
-		if args.Present() {
+		argsPresent := args.First() != ""
-			return ShowCommandHelp(cCtx, args.First())
+		firstArg := args.First()
+
+		// This action can be triggered by a "default" action of a command
+		// or via cmd.Run when cmd == helpCmd. So we have following possibilities
+		//
+		// 1 $ app
+		// 2 $ app help
+		// 3 $ app foo
+		// 4 $ app help foo
+		// 5 $ app foo help
+
+		// Case 4. when executing a help command set the context to parent
+		// to allow resolution of subsequent args. This will transform
+		// $ app help foo
+		//     to
+		// $ app foo
+		// which will then be handled as case 3
+		if cCtx.Command.Name == helpName || cCtx.Command.Name == helpAlias {
+			cCtx = cCtx.parentContext
 		}
 
+		// Case 4. $ app hello foo
+		// foo is the command for which help needs to be shown
+		if argsPresent {
+			return ShowCommandHelp(cCtx, firstArg)
+		}
+
+		// Case 1 & 2
+		// Special case when running help on main app itself as opposed to individual
+		// commands/subcommands
+		if cCtx.parentContext.App == nil {
 			_ = ShowAppHelp(cCtx)
 			return nil
-	},
-}
-
-var helpSubcommand = &Command{
-	Name:      helpName,
-	Aliases:   []string{helpAlias},
-	Usage:     "Shows a list of commands or help for one command",
-	ArgsUsage: "[command]",
-	Action: func(cCtx *Context) error {
-		args := cCtx.Args()
-		if args.Present() {
-			return ShowCommandHelp(cCtx, args.First())
 		}
 
+		// Case 3, 5
+		if (len(cCtx.Command.Subcommands) == 1 && !cCtx.Command.HideHelp) ||
+			(len(cCtx.Command.Subcommands) == 0 && cCtx.Command.HideHelp) {
+			templ := cCtx.Command.CustomHelpTemplate
+			if templ == "" {
+				templ = CommandHelpTemplate
+			}
+			HelpPrinter(cCtx.App.Writer, templ, cCtx.Command)
+			return nil
+		}
 		return ShowSubcommandHelp(cCtx)
 	},
 }
@@ -153,7 +188,7 @@ func printFlagSuggestions(lastArg string, flags []Flag, writer io.Writer) {
 			// this will get total count utf8 letters in flag name
 			count := utf8.RuneCountInString(name)
 			if count > 2 {
-				count = 2 // resuse this count to generate single - or -- in flag completion
+				count = 2 // reuse this count to generate single - or -- in flag completion
 			}
 			// if flag name has more than one utf8 letter and last argument in cli has -- prefix then
 			// skip flag completion for short flags example -v or -x
@@ -192,7 +227,7 @@ func DefaultCompleteWithFlags(cmd *Command) func(cCtx *Context) {
 			return
 		}
 
-		printCommandSuggestions(cCtx.App.Commands, cCtx.App.Writer)
+		printCommandSuggestions(cCtx.Command.Subcommands, cCtx.App.Writer)
 	}
 }
 
@@ -204,17 +239,26 @@ func ShowCommandHelpAndExit(c *Context, command string, code int) {
 
 // ShowCommandHelp prints help for the given command
 func ShowCommandHelp(ctx *Context, command string) error {
-	// show the subcommand help for a command with subcommands
-	if command == "" {
-		HelpPrinter(ctx.App.Writer, SubcommandHelpTemplate, ctx.App)
-		return nil
-	}
 
-	for _, c := range ctx.App.Commands {
+	commands := ctx.App.Commands
+	if ctx.Command.Subcommands != nil {
+		commands = ctx.Command.Subcommands
+	}
+	for _, c := range commands {
 		if c.HasName(command) {
+			if !ctx.App.HideHelpCommand && !c.HasName(helpName) && len(c.Subcommands) != 0 && c.Command(helpName) == nil {
+				c.Subcommands = append(c.Subcommands, helpCommandDontUse)
+			}
+			if !ctx.App.HideHelp && HelpFlag != nil {
+				c.appendFlag(HelpFlag)
+			}
 			templ := c.CustomHelpTemplate
 			if templ == "" {
+				if len(c.Subcommands) == 0 {
 					templ = CommandHelpTemplate
+				} else {
+					templ = SubcommandHelpTemplate
+				}
 			}
 
 			HelpPrinter(ctx.App.Writer, templ, c)
@@ -226,7 +270,7 @@ func ShowCommandHelp(ctx *Context, command string) error {
 	if ctx.App.CommandNotFound == nil {
 		errMsg := fmt.Sprintf("No help topic for '%v'", command)
 		if ctx.App.Suggest {
-			if suggestion := SuggestCommand(ctx.App.Commands, command); suggestion != "" {
+			if suggestion := SuggestCommand(ctx.Command.Subcommands, command); suggestion != "" {
 				errMsg += ". " + suggestion
 			}
 		}
@@ -249,11 +293,8 @@ func ShowSubcommandHelp(cCtx *Context) error {
 		return nil
 	}
 
-	if cCtx.Command != nil {
+	HelpPrinter(cCtx.App.Writer, SubcommandHelpTemplate, cCtx.Command)
-		return ShowCommandHelp(cCtx, cCtx.Command.Name)
+	return nil
-	}
-
-	return ShowCommandHelp(cCtx, "")
 }
 
 // ShowVersion prints the version number of the App
@@ -267,15 +308,15 @@ func printVersion(cCtx *Context) {
 
 // ShowCompletions prints the lists of commands within a given context
 func ShowCompletions(cCtx *Context) {
-	a := cCtx.App
+	c := cCtx.Command
-	if a != nil && a.BashComplete != nil {
+	if c != nil && c.BashComplete != nil {
-		a.BashComplete(cCtx)
+		c.BashComplete(cCtx)
 	}
 }
 
 // ShowCommandCompletions prints the custom completions for a given command
 func ShowCommandCompletions(ctx *Context, command string) {
-	c := ctx.App.Command(command)
+	c := ctx.Command.Command(command)
 	if c != nil {
 		if c.BashComplete != nil {
 			c.BashComplete(ctx)
@@ -296,11 +337,13 @@ func printHelpCustom(out io.Writer, templ string, data interface{}, customFuncs
 
 	funcMap := template.FuncMap{
 		"join":           strings.Join,
+		"subtract":       subtract,
 		"indent":         indent,
 		"nindent":        nindent,
 		"trim":           strings.TrimSpace,
 		"wrap":           func(input string, offset int) string { return wrap(input, offset, maxLineLength) },
 		"offset":         offset,
+		"offsetCommands": offsetCommands,
 	}
 
 	if customFuncs["wrapAt"] != nil {
@@ -320,6 +363,17 @@ func printHelpCustom(out io.Writer, templ string, data interface{}, customFuncs
 
 	w := tabwriter.NewWriter(out, 1, 8, 2, ' ', 0)
 	t := template.Must(template.New("help").Funcs(funcMap).Parse(templ))
+	t.New("helpNameTemplate").Parse(helpNameTemplate)
+	t.New("usageTemplate").Parse(usageTemplate)
+	t.New("descriptionTemplate").Parse(descriptionTemplate)
+	t.New("visibleCommandTemplate").Parse(visibleCommandTemplate)
+	t.New("copyrightTemplate").Parse(copyrightTemplate)
+	t.New("versionTemplate").Parse(versionTemplate)
+	t.New("visibleFlagCategoryTemplate").Parse(visibleFlagCategoryTemplate)
+	t.New("visibleFlagTemplate").Parse(visibleFlagTemplate)
+	t.New("visibleGlobalFlagCategoryTemplate").Parse(strings.Replace(visibleFlagCategoryTemplate, "OPTIONS", "GLOBAL OPTIONS", -1))
+	t.New("authorsTemplate").Parse(authorsTemplate)
+	t.New("visibleCommandCategoryTemplate").Parse(visibleCommandCategoryTemplate)
 
 	err := t.Execute(w, data)
 	if err != nil {
@@ -352,8 +406,10 @@ func checkHelp(cCtx *Context) bool {
 	for _, name := range HelpFlag.Names() {
 		if cCtx.Bool(name) {
 			found = true
+			break
 		}
 	}
+
 	return found
 }
 
@@ -397,7 +453,7 @@ func checkCompletions(cCtx *Context) bool {
 
 	if args := cCtx.Args(); args.Present() {
 		name := args.First()
-		if cmd := cCtx.App.Command(name); cmd != nil {
+		if cmd := cCtx.Command.Command(name); cmd != nil {
 			// let the command handle the completion
 			return false
 		}
@@ -407,13 +463,8 @@ func checkCompletions(cCtx *Context) bool {
 	return true
 }
 
-func checkCommandCompletions(c *Context, name string) bool {
+func subtract(a, b int) int {
-	if !c.shellComplete {
+	return a - b
-		return false
-	}
-
-	ShowCommandCompletions(c, name)
-	return true
 }
 
 func indent(spaces int, v string) string {
@@ -426,25 +477,28 @@ func nindent(spaces int, v string) string {
 }
 
 func wrap(input string, offset int, wrapAt int) string {
-	var sb strings.Builder
+	var ss []string
 
 	lines := strings.Split(input, "\n")
 
 	padding := strings.Repeat(" ", offset)
 
 	for i, line := range lines {
-		if i != 0 {
+		if line == "" {
-			sb.WriteString(padding)
+			ss = append(ss, line)
+		} else {
+			wrapped := wrapLine(line, offset, wrapAt, padding)
+			if i == 0 {
+				ss = append(ss, wrapped)
+			} else {
+				ss = append(ss, padding+wrapped)
+
 			}
 
-		sb.WriteString(wrapLine(line, offset, wrapAt, padding))
-
-		if i != len(lines)-1 {
-			sb.WriteString("\n")
 		}
 	}
 
-	return sb.String()
+	return strings.Join(ss, "\n")
 }
 
 func wrapLine(input string, offset int, wrapAt int, padding string) string {
@@ -476,3 +530,28 @@ func wrapLine(input string, offset int, wrapAt int, padding string) string {
 func offset(input string, fixed int) int {
 	return len(input) + fixed
 }
+
+// this function tries to find the max width of the names column
+// so say we have the following rows for help
+//
+//	foo1, foo2, foo3  some string here
+//	bar1, b2 some other string here
+//
+// We want to offset the 2nd row usage by some amount so that everything
+// is aligned
+//
+//	foo1, foo2, foo3  some string here
+//	bar1, b2          some other string here
+//
+// to find that offset we find the length of all the rows and use the max
+// to calculate the offset
+func offsetCommands(cmds []*Command, fixed int) int {
+	var max int = 0
+	for _, cmd := range cmds {
+		s := strings.Join(cmd.Names(), ", ")
+		if len(s) > max {
+			max = len(s)
+		}
+	}
+	return max + fixed
+}

vendor/github.com/urfave/cli/v2/mkdocs.yml

@@ -9,9 +9,45 @@ site_url: https://cli.urfave.org/
 repo_url: https://github.com/urfave/cli
 edit_uri: edit/main/docs/
 nav:
-  - Home: index.md
+  - Home:
-  - v2 Manual: v2/index.md
+      - Welcome: index.md
-  - v1 Manual: v1/index.md
+      - Contributing: CONTRIBUTING.md
+      - Code of Conduct: CODE_OF_CONDUCT.md
+      - Releasing: RELEASING.md
+      - Security: SECURITY.md
+      - Migrate v1 to v2: migrate-v1-to-v2.md
+  - v2 Manual:
+      - Getting Started: v2/getting-started.md
+      - Migrating From Older Releases: v2/migrating-from-older-releases.md
+      - Examples:
+          - Greet: v2/examples/greet.md
+          - Arguments: v2/examples/arguments.md
+          - Flags: v2/examples/flags.md
+          - Subcommands: v2/examples/subcommands.md
+          - Subcommands Categories: v2/examples/subcommands-categories.md
+          - Exit Codes: v2/examples/exit-codes.md
+          - Combining Short Options: v2/examples/combining-short-options.md
+          - Bash Completions: v2/examples/bash-completions.md
+          - Generated Help Text: v2/examples/generated-help-text.md
+          - Version Flag: v2/examples/version-flag.md
+          - Timestamp Flag: v2/examples/timestamp-flag.md
+          - Suggestions: v2/examples/suggestions.md
+          - Full API Example: v2/examples/full-api-example.md
+  - v1 Manual:
+      - Getting Started: v1/getting-started.md
+      - Migrating to v2: v1/migrating-to-v2.md
+      - Examples:
+          - Greet: v1/examples/greet.md
+          - Arguments: v1/examples/arguments.md
+          - Flags: v1/examples/flags.md
+          - Subcommands: v1/examples/subcommands.md
+          - Subcommands (Categories): v1/examples/subcommands-categories.md
+          - Exit Codes: v1/examples/exit-codes.md
+          - Combining Short Options: v1/examples/combining-short-options.md
+          - Bash Completions: v1/examples/bash-completions.md
+          - Generated Help Text: v1/examples/generated-help-text.md
+          - Version Flag: v1/examples/version-flag.md
+
 theme:
   name: material
   palette:
@@ -25,9 +61,18 @@ theme:
       toggle:
         icon: material/brightness-7
         name: light mode
+  features:
+    - content.code.annotate
+    - navigation.top
+    - navigation.instant
+    - navigation.expand
+    - navigation.sections
+    - navigation.tabs
+    - navigation.tabs.sticky
 plugins:
   - git-revision-date-localized
   - search
+  - tags
 # NOTE: this is the recommended configuration from
 # https://squidfunk.github.io/mkdocs-material/setup/extensions/#recommended-configuration
 markdown_extensions:

vendor/github.com/urfave/cli/v2/parse.go

@@ -46,7 +46,10 @@ func parseIter(set *flag.FlagSet, ip iterativeParser, args []string, shellComple
 			}
 
 			// swap current argument with the split version
-			args = append(args[:i], append(shortOpts, args[i+1:]...)...)
+			// do not include args that parsed correctly so far as it would
+			// trigger Value.Set() on those args and would result in
+			// duplicates for slice type flags
+			args = append(shortOpts, args[i+1:]...)
 			argsWereSplit = true
 			break
 		}
@@ -56,13 +59,6 @@ func parseIter(set *flag.FlagSet, ip iterativeParser, args []string, shellComple
 		if !argsWereSplit {
 			return err
 		}
-
-		// Since custom parsing failed, replace the flag set before retrying
-		newSet, err := ip.newFlagSet()
-		if err != nil {
-			return err
-		}
-		*set = *newSet
 	}
 }
 

vendor/github.com/urfave/cli/v2/template.go

@@ -1,10 +1,38 @@
 package cli
 
+var helpNameTemplate = `{{$v := offset .HelpName 6}}{{wrap .HelpName 3}}{{if .Usage}} - {{wrap .Usage $v}}{{end}}`
+var usageTemplate = `{{if .UsageText}}{{wrap .UsageText 3}}{{else}}{{.HelpName}}{{if .VisibleFlags}} [command options]{{end}} {{if .ArgsUsage}}{{.ArgsUsage}}{{else}}[arguments...]{{end}}{{end}}`
+var descriptionTemplate = `{{wrap .Description 3}}`
+var authorsTemplate = `{{with $length := len .Authors}}{{if ne 1 $length}}S{{end}}{{end}}:
+   {{range $index, $author := .Authors}}{{if $index}}
+   {{end}}{{$author}}{{end}}`
+var visibleCommandTemplate = `{{ $cv := offsetCommands .VisibleCommands 5}}{{range .VisibleCommands}}
+   {{$s := join .Names ", "}}{{$s}}{{ $sp := subtract $cv (offset $s 3) }}{{ indent $sp ""}}{{wrap .Usage $cv}}{{end}}`
+var visibleCommandCategoryTemplate = `{{range .VisibleCategories}}{{if .Name}}
+   {{.Name}}:{{range .VisibleCommands}}
+     {{join .Names ", "}}{{"\t"}}{{.Usage}}{{end}}{{else}}{{template "visibleCommandTemplate" .}}{{end}}{{end}}`
+var visibleFlagCategoryTemplate = `{{range .VisibleFlagCategories}}
+   {{if .Name}}{{.Name}}
+
+   {{end}}{{$flglen := len .Flags}}{{range $i, $e := .Flags}}{{if eq (subtract $flglen $i) 1}}{{$e}}
+{{else}}{{$e}}
+   {{end}}{{end}}{{end}}`
+
+var visibleFlagTemplate = `{{range $i, $e := .VisibleFlags}}
+   {{wrap $e.String 6}}{{end}}`
+
+var versionTemplate = `{{if .Version}}{{if not .HideVersion}}
+
+VERSION:
+   {{.Version}}{{end}}{{end}}`
+
+var copyrightTemplate = `{{wrap .Copyright 3}}`
+
 // AppHelpTemplate is the text template for the Default help topic.
 // cli.go uses text/template to render templates. You can
 // render custom help text by setting this variable.
 var AppHelpTemplate = `NAME:
-   {{$v := offset .Name 6}}{{wrap .Name 3}}{{if .Usage}} - {{wrap .Usage $v}}{{end}}
+   {{template "helpNameTemplate" .}}
 
 USAGE:
    {{if .UsageText}}{{wrap .UsageText 3}}{{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}}
@@ -13,75 +41,58 @@ VERSION:
    {{.Version}}{{end}}{{end}}{{if .Description}}
 
 DESCRIPTION:
-   {{wrap .Description 3}}{{end}}{{if len .Authors}}
+   {{template "descriptionTemplate" .}}{{end}}
+{{- if len .Authors}}
 
-AUTHOR{{with $length := len .Authors}}{{if ne 1 $length}}S{{end}}{{end}}:
+AUTHOR{{template "authorsTemplate" .}}{{end}}{{if .VisibleCommands}}
-   {{range $index, $author := .Authors}}{{if $index}}
-   {{end}}{{$author}}{{end}}{{end}}{{if .VisibleCommands}}
 
-COMMANDS:{{range .VisibleCategories}}{{if .Name}}
+COMMANDS:{{template "visibleCommandCategoryTemplate" .}}{{end}}{{if .VisibleFlagCategories}}
-   {{.Name}}:{{range .VisibleCommands}}
-     {{join .Names ", "}}{{"\t"}}{{.Usage}}{{end}}{{else}}{{range .VisibleCommands}}
-   {{join .Names ", "}}{{"\t"}}{{.Usage}}{{end}}{{end}}{{end}}{{end}}{{if .VisibleFlagCategories}}
 
-GLOBAL OPTIONS:{{range .VisibleFlagCategories}}
+GLOBAL OPTIONS:{{template "visibleFlagCategoryTemplate" .}}{{else if .VisibleFlags}}
-   {{if .Name}}{{.Name}}
-   {{end}}{{range .Flags}}{{.}}
-   {{end}}{{end}}{{else}}{{if .VisibleFlags}}
 
-GLOBAL OPTIONS:
+GLOBAL OPTIONS:{{template "visibleFlagTemplate" .}}{{end}}{{if .Copyright}}
-   {{range $index, $option := .VisibleFlags}}{{if $index}}
-   {{end}}{{wrap $option.String 6}}{{end}}{{end}}{{end}}{{if .Copyright}}
 
 COPYRIGHT:
-   {{wrap .Copyright 3}}{{end}}
+   {{template "copyrightTemplate" .}}{{end}}
 `
 
 // CommandHelpTemplate is the text template for the command help topic.
 // cli.go uses text/template to render templates. You can
 // render custom help text by setting this variable.
 var CommandHelpTemplate = `NAME:
-   {{$v := offset .HelpName 6}}{{wrap .HelpName 3}}{{if .Usage}} - {{wrap .Usage $v}}{{end}}
+   {{template "helpNameTemplate" .}}
 
 USAGE:
-   {{if .UsageText}}{{wrap .UsageText 3}}{{else}}{{.HelpName}}{{if .VisibleFlags}} [command options]{{end}} {{if .ArgsUsage}}{{.ArgsUsage}}{{else}}[arguments...]{{end}}{{end}}{{if .Category}}
+   {{template "usageTemplate" .}}{{if .Category}}
 
 CATEGORY:
    {{.Category}}{{end}}{{if .Description}}
 
 DESCRIPTION:
-   {{wrap .Description 3}}{{end}}{{if .VisibleFlagCategories}}
+   {{template "descriptionTemplate" .}}{{end}}{{if .VisibleFlagCategories}}
 
-OPTIONS:{{range .VisibleFlagCategories}}
+OPTIONS:{{template "visibleFlagCategoryTemplate" .}}{{else if .VisibleFlags}}
-   {{if .Name}}{{.Name}}
-   {{end}}{{range .Flags}}{{.}}
-   {{end}}{{end}}{{else}}{{if .VisibleFlags}}
 
-OPTIONS:
+OPTIONS:{{template "visibleFlagTemplate" .}}{{end}}
-   {{range .VisibleFlags}}{{.}}
-   {{end}}{{end}}{{end}}
 `
 
 // SubcommandHelpTemplate is the text template for the subcommand help topic.
 // cli.go uses text/template to render templates. You can
 // render custom help text by setting this variable.
 var SubcommandHelpTemplate = `NAME:
-   {{.HelpName}} - {{.Usage}}
+   {{template "helpNameTemplate" .}}
 
 USAGE:
-   {{if .UsageText}}{{wrap .UsageText 3}}{{else}}{{.HelpName}} command{{if .VisibleFlags}} [command options]{{end}} {{if .ArgsUsage}}{{.ArgsUsage}}{{else}}[arguments...]{{end}}{{end}}{{if .Description}}
+   {{if .UsageText}}{{wrap .UsageText 3}}{{else}}{{.HelpName}} {{if .VisibleFlags}}command [command options]{{end}} {{if .ArgsUsage}}{{.ArgsUsage}}{{else}}[arguments...]{{end}}{{end}}{{if .Description}}
 
 DESCRIPTION:
-   {{wrap .Description 3}}{{end}}
+   {{template "descriptionTemplate" .}}{{end}}{{if .VisibleCommands}}
 
-COMMANDS:{{range .VisibleCategories}}{{if .Name}}
+COMMANDS:{{template "visibleCommandTemplate" .}}{{end}}{{if .VisibleFlagCategories}}
-   {{.Name}}:{{range .VisibleCommands}}
-     {{join .Names ", "}}{{"\t"}}{{.Usage}}{{end}}{{else}}{{range .VisibleCommands}}
-   {{join .Names ", "}}{{"\t"}}{{.Usage}}{{end}}{{end}}{{end}}{{if .VisibleFlags}}
 
-OPTIONS:
+OPTIONS:{{template "visibleFlagCategoryTemplate" .}}{{else if .VisibleFlags}}
-   {{range .VisibleFlags}}{{.}}
+
-   {{end}}{{end}}
+OPTIONS:{{template "visibleFlagTemplate" .}}{{end}}
 `
 
 var MarkdownDocTemplate = `{{if gt .SectionNum 0}}% {{ .App.Name }} {{ .SectionNum }}

vendor/github.com/urfave/cli/v2/zz_generated.flags.go

@@ -22,6 +22,12 @@ type Float64SliceFlag struct {
 
 	Aliases []string
 	EnvVars []string
+
+	defaultValue *Float64Slice
+
+	separator separatorSpec
+
+	Action func(*Context, []float64) error
 }
 
 // IsSet returns whether or not the flag has been set through env or file
@@ -58,12 +64,16 @@ type GenericFlag struct {
 	HasBeenSet bool
 
 	Value       Generic
-	Destination *Generic
+	Destination Generic
 
 	Aliases []string
 	EnvVars []string
 
+	defaultValue Generic
+
 	TakesFile bool
+
+	Action func(*Context, interface{}) error
 }
 
 // String returns a readable representation of this value (for usage defaults)
@@ -109,6 +119,12 @@ type Int64SliceFlag struct {
 
 	Aliases []string
 	EnvVars []string
+
+	defaultValue *Int64Slice
+
+	separator separatorSpec
+
+	Action func(*Context, []int64) error
 }
 
 // IsSet returns whether or not the flag has been set through env or file
@@ -149,6 +165,12 @@ type IntSliceFlag struct {
 
 	Aliases []string
 	EnvVars []string
+
+	defaultValue *IntSlice
+
+	separator separatorSpec
+
+	Action func(*Context, []int) error
 }
 
 // IsSet returns whether or not the flag has been set through env or file
@@ -190,7 +212,11 @@ type PathFlag struct {
 	Aliases []string
 	EnvVars []string
 
+	defaultValue Path
+
 	TakesFile bool
+
+	Action func(*Context, Path) error
 }
 
 // String returns a readable representation of this value (for usage defaults)
@@ -237,7 +263,15 @@ type StringSliceFlag struct {
 	Aliases []string
 	EnvVars []string
 
+	defaultValue *StringSlice
+
+	separator separatorSpec
+
 	TakesFile bool
+
+	Action func(*Context, []string) error
+
+	KeepSpace bool
 }
 
 // IsSet returns whether or not the flag has been set through env or file
@@ -279,7 +313,13 @@ type TimestampFlag struct {
 	Aliases []string
 	EnvVars []string
 
+	defaultValue *Timestamp
+
 	Layout string
+
+	Timezone *time.Location
+
+	Action func(*Context, *time.Time) error
 }
 
 // String returns a readable representation of this value (for usage defaults)
@@ -307,6 +347,98 @@ func (f *TimestampFlag) IsVisible() bool {
 	return !f.Hidden
 }
 
+// Uint64SliceFlag is a flag with type *Uint64Slice
+type Uint64SliceFlag struct {
+	Name string
+
+	Category    string
+	DefaultText string
+	FilePath    string
+	Usage       string
+
+	Required   bool
+	Hidden     bool
+	HasBeenSet bool
+
+	Value       *Uint64Slice
+	Destination *Uint64Slice
+
+	Aliases []string
+	EnvVars []string
+
+	defaultValue *Uint64Slice
+
+	separator separatorSpec
+
+	Action func(*Context, []uint64) error
+}
+
+// IsSet returns whether or not the flag has been set through env or file
+func (f *Uint64SliceFlag) IsSet() bool {
+	return f.HasBeenSet
+}
+
+// Names returns the names of the flag
+func (f *Uint64SliceFlag) Names() []string {
+	return FlagNames(f.Name, f.Aliases)
+}
+
+// IsRequired returns whether or not the flag is required
+func (f *Uint64SliceFlag) IsRequired() bool {
+	return f.Required
+}
+
+// IsVisible returns true if the flag is not hidden, otherwise false
+func (f *Uint64SliceFlag) IsVisible() bool {
+	return !f.Hidden
+}
+
+// UintSliceFlag is a flag with type *UintSlice
+type UintSliceFlag struct {
+	Name string
+
+	Category    string
+	DefaultText string
+	FilePath    string
+	Usage       string
+
+	Required   bool
+	Hidden     bool
+	HasBeenSet bool
+
+	Value       *UintSlice
+	Destination *UintSlice
+
+	Aliases []string
+	EnvVars []string
+
+	defaultValue *UintSlice
+
+	separator separatorSpec
+
+	Action func(*Context, []uint) error
+}
+
+// IsSet returns whether or not the flag has been set through env or file
+func (f *UintSliceFlag) IsSet() bool {
+	return f.HasBeenSet
+}
+
+// Names returns the names of the flag
+func (f *UintSliceFlag) Names() []string {
+	return FlagNames(f.Name, f.Aliases)
+}
+
+// IsRequired returns whether or not the flag is required
+func (f *UintSliceFlag) IsRequired() bool {
+	return f.Required
+}
+
+// IsVisible returns true if the flag is not hidden, otherwise false
+func (f *UintSliceFlag) IsVisible() bool {
+	return !f.Hidden
+}
+
 // BoolFlag is a flag with type bool
 type BoolFlag struct {
 	Name string
@@ -325,6 +457,14 @@ type BoolFlag struct {
 
 	Aliases []string
 	EnvVars []string
+
+	defaultValue bool
+
+	Count *int
+
+	DisableDefaultText bool
+
+	Action func(*Context, bool) error
 }
 
 // String returns a readable representation of this value (for usage defaults)
@@ -370,6 +510,10 @@ type Float64Flag struct {
 
 	Aliases []string
 	EnvVars []string
+
+	defaultValue float64
+
+	Action func(*Context, float64) error
 }
 
 // String returns a readable representation of this value (for usage defaults)
@@ -415,6 +559,12 @@ type IntFlag struct {
 
 	Aliases []string
 	EnvVars []string
+
+	defaultValue int
+
+	Base int
+
+	Action func(*Context, int) error
 }
 
 // String returns a readable representation of this value (for usage defaults)
@@ -460,6 +610,12 @@ type Int64Flag struct {
 
 	Aliases []string
 	EnvVars []string
+
+	defaultValue int64
+
+	Base int
+
+	Action func(*Context, int64) error
 }
 
 // String returns a readable representation of this value (for usage defaults)
@@ -506,7 +662,11 @@ type StringFlag struct {
 	Aliases []string
 	EnvVars []string
 
+	defaultValue string
+
 	TakesFile bool
+
+	Action func(*Context, string) error
 }
 
 // String returns a readable representation of this value (for usage defaults)
@@ -552,6 +712,10 @@ type DurationFlag struct {
 
 	Aliases []string
 	EnvVars []string
+
+	defaultValue time.Duration
+
+	Action func(*Context, time.Duration) error
 }
 
 // String returns a readable representation of this value (for usage defaults)
@@ -597,6 +761,12 @@ type UintFlag struct {
 
 	Aliases []string
 	EnvVars []string
+
+	defaultValue uint
+
+	Base int
+
+	Action func(*Context, uint) error
 }
 
 // String returns a readable representation of this value (for usage defaults)
@@ -642,6 +812,12 @@ type Uint64Flag struct {
 
 	Aliases []string
 	EnvVars []string
+
+	defaultValue uint64
+
+	Base int
+
+	Action func(*Context, uint64) error
 }
 
 // String returns a readable representation of this value (for usage defaults)

vendor/modules.txt

@@ -19,7 +19,7 @@ github.com/russross/blackfriday/v2
 # github.com/sirupsen/logrus v1.8.1
 ## explicit; go 1.13
 github.com/sirupsen/logrus
-# github.com/urfave/cli/v2 v2.10.3
+# github.com/urfave/cli/v2 v2.24.4
 ## explicit; go 1.18
 github.com/urfave/cli/v2
 # github.com/xrash/smetrics v0.0.0-20201216005158-039620a65673