add dtk-container-toolkit

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

+package cli
+
+import (
+	"context"
+	"flag"
+	"fmt"
+	"strings"
+)
+
+// Context is a type that is passed through to
+// each Handler action in a cli application. Context
+// can be used to retrieve context-specific args and
+// parsed command-line options.
+type Context struct {
+	context.Context
+	App           *App
+	Command       *Command
+	shellComplete bool
+	flagSet       *flag.FlagSet
+	parentContext *Context
+}
+
+// NewContext creates a new context. For use in when invoking an App or Command action.
+func NewContext(app *App, set *flag.FlagSet, parentCtx *Context) *Context {
+	c := &Context{App: app, flagSet: set, parentContext: parentCtx}
+	if parentCtx != nil {
+		c.Context = parentCtx.Context
+		c.shellComplete = parentCtx.shellComplete
+		if parentCtx.flagSet == nil {
+			parentCtx.flagSet = &flag.FlagSet{}
+		}
+	}
+
+	c.Command = &Command{}
+
+	if c.Context == nil {
+		c.Context = context.Background()
+	}
+
+	return c
+}
+
+// NumFlags returns the number of flags set
+func (cCtx *Context) NumFlags() int {
+	return cCtx.flagSet.NFlag()
+}
+
+// Set sets a context flag to a value.
+func (cCtx *Context) Set(name, value string) error {
+	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
+func (cCtx *Context) IsSet(name string) bool {
+
+	if fs := cCtx.lookupFlagSet(name); fs != nil {
+		isSet := false
+		fs.Visit(func(f *flag.Flag) {
+			if f.Name == name {
+				isSet = true
+			}
+		})
+		if isSet {
+			return true
+		}
+
+		f := cCtx.lookupFlag(name)
+		if f == nil {
+			return false
+		}
+
+		if f.IsSet() {
+			return true
+		}
+
+		// now redo flagset search on aliases
+		aliases := f.Names()
+		fs.Visit(func(f *flag.Flag) {
+			for _, alias := range aliases {
+				if f.Name == alias {
+					isSet = true
+				}
+			}
+		})
+
+		if isSet {
+			return true
+		}
+	}
+
+	return false
+}
+
+// LocalFlagNames returns a slice of flag names used in this context.
+func (cCtx *Context) LocalFlagNames() []string {
+	var names []string
+	cCtx.flagSet.Visit(makeFlagNameVisitor(&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
+// its parent contexts.
+func (cCtx *Context) FlagNames() []string {
+	var names []string
+	for _, pCtx := range cCtx.Lineage() {
+		names = append(names, pCtx.LocalFlagNames()...)
+	}
+	return names
+}
+
+// Lineage returns *this* context and all of its ancestor contexts in order from
+// child to parent
+func (cCtx *Context) Lineage() []*Context {
+	var lineage []*Context
+
+	for cur := cCtx; cur != nil; cur = cur.parentContext {
+		lineage = append(lineage, cur)
+	}
+
+	return lineage
+}
+
+// Count returns the num of occurrences 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 {
+		return fs.Lookup(name).Value.(flag.Getter).Get()
+	}
+	return nil
+}
+
+// Args returns the command line arguments associated with the context.
+func (cCtx *Context) Args() Args {
+	ret := args(cCtx.flagSet.Args())
+	return &ret
+}
+
+// NArg returns the number of the command line arguments.
+func (cCtx *Context) NArg() int {
+	return cCtx.Args().Len()
+}
+
+func (cCtx *Context) lookupFlag(name string) Flag {
+	for _, c := range cCtx.Lineage() {
+		if c.Command == nil {
+			continue
+		}
+
+		for _, f := range c.Command.Flags {
+			for _, n := range f.Names() {
+				if n == name {
+					return f
+				}
+			}
+		}
+	}
+
+	if cCtx.App != nil {
+		for _, f := range cCtx.App.Flags {
+			for _, n := range f.Names() {
+				if n == name {
+					return f
+				}
+			}
+		}
+	}
+
+	return nil
+}
+
+func (cCtx *Context) lookupFlagSet(name string) *flag.FlagSet {
+	for _, c := range cCtx.Lineage() {
+		if c.flagSet == nil {
+			continue
+		}
+		if f := c.flagSet.Lookup(name); f != nil {
+			return c.flagSet
+		}
+	}
+	cCtx.onInvalidFlag(name)
+	return nil
+}
+
+func (cCtx *Context) checkRequiredFlags(flags []Flag) requiredFlagsErr {
+	var missingFlags []string
+	for _, f := range flags {
+		if rf, ok := f.(RequiredFlag); ok && rf.IsRequired() {
+			var flagPresent bool
+			var flagName string
+
+			flagNames := f.Names()
+			flagName = flagNames[0]
+
+			for _, key := range flagNames {
+				if cCtx.IsSet(strings.TrimSpace(key)) {
+					flagPresent = true
+				}
+			}
+
+			if !flagPresent && flagName != "" {
+				missingFlags = append(missingFlags, flagName)
+			}
+		}
+	}
+
+	if len(missingFlags) != 0 {
+		return &errRequiredFlags{missingFlags: missingFlags}
+	}
+
+	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, ",")
+		name := strings.TrimSpace(nameParts[0])
+
+		for _, part := range nameParts {
+			part = strings.TrimSpace(part)
+			if len(part) > len(name) {
+				name = part
+			}
+		}
+
+		if name != "" {
+			*names = append(*names, name)
+		}
+	}
+}

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

+//go:build !urfave_cli_no_docs
+// +build !urfave_cli_no_docs
+
+package cli
+
+import (
+	"bytes"
+	"fmt"
+	"io"
+	"sort"
+	"strings"
+	"text/template"
+
+	"github.com/cpuguy83/go-md2man/v2/md2man"
+)
+
+// ToMarkdown creates a markdown string for the `*App`
+// The function errors if either parsing or writing of the string fails.
+func (a *App) ToMarkdown() (string, error) {
+	var w bytes.Buffer
+	if err := a.writeDocTemplate(&w, 0); err != nil {
+		return "", err
+	}
+	return w.String(), nil
+}
+
+// ToMan creates a man page string with section number for the `*App`
+// The function errors if either parsing or writing of the string fails.
+func (a *App) ToManWithSection(sectionNumber int) (string, error) {
+	var w bytes.Buffer
+	if err := a.writeDocTemplate(&w, sectionNumber); err != nil {
+		return "", err
+	}
+	man := md2man.Render(w.Bytes())
+	return string(man), nil
+}
+
+// ToMan creates a man page string for the `*App`
+// The function errors if either parsing or writing of the string fails.
+func (a *App) ToMan() (string, error) {
+	man, err := a.ToManWithSection(8)
+	return man, err
+}
+
+type cliTemplate struct {
+	App          *App
+	SectionNum   int
+	Commands     []string
+	GlobalArgs   []string
+	SynopsisArgs []string
+}
+
+func (a *App) writeDocTemplate(w io.Writer, sectionNum int) error {
+	const name = "cli"
+	t, err := template.New(name).Parse(MarkdownDocTemplate)
+	if err != nil {
+		return err
+	}
+	return t.ExecuteTemplate(w, name, &cliTemplate{
+		App:          a,
+		SectionNum:   sectionNum,
+		Commands:     prepareCommands(a.Commands, 0),
+		GlobalArgs:   prepareArgsWithValues(a.VisibleFlags()),
+		SynopsisArgs: prepareArgsSynopsis(a.VisibleFlags()),
+	})
+}
+
+func prepareCommands(commands []*Command, level int) []string {
+	var coms []string
+	for _, command := range commands {
+		if command.Hidden {
+			continue
+		}
+
+		usageText := prepareUsageText(command)
+
+		usage := prepareUsage(command, usageText)
+
+		prepared := fmt.Sprintf("%s %s\n\n%s%s",
+			strings.Repeat("#", level+2),
+			strings.Join(command.Names(), ", "),
+			usage,
+			usageText,
+		)
+
+		flags := prepareArgsWithValues(command.VisibleFlags())
+		if len(flags) > 0 {
+			prepared += fmt.Sprintf("\n%s", strings.Join(flags, "\n"))
+		}
+
+		coms = append(coms, prepared)
+
+		// recursively iterate subcommands
+		if len(command.Subcommands) > 0 {
+			coms = append(
+				coms,
+				prepareCommands(command.Subcommands, level+1)...,
+			)
+		}
+	}
+
+	return coms
+}
+
+func prepareArgsWithValues(flags []Flag) []string {
+	return prepareFlags(flags, ", ", "**", "**", `""`, true)
+}
+
+func prepareArgsSynopsis(flags []Flag) []string {
+	return prepareFlags(flags, "|", "[", "]", "[value]", false)
+}
+
+func prepareFlags(
+	flags []Flag,
+	sep, opener, closer, value string,
+	addDetails bool,
+) []string {
+	args := []string{}
+	for _, f := range flags {
+		flag, ok := f.(DocGenerationFlag)
+		if !ok {
+			continue
+		}
+		modifiedArg := opener
+
+		for _, s := range flag.Names() {
+			trimmed := strings.TrimSpace(s)
+			if len(modifiedArg) > len(opener) {
+				modifiedArg += sep
+			}
+			if len(trimmed) > 1 {
+				modifiedArg += fmt.Sprintf("--%s", trimmed)
+			} else {
+				modifiedArg += fmt.Sprintf("-%s", trimmed)
+			}
+		}
+		modifiedArg += closer
+		if flag.TakesValue() {
+			modifiedArg += fmt.Sprintf("=%s", value)
+		}
+
+		if addDetails {
+			modifiedArg += flagDetails(flag)
+		}
+
+		args = append(args, modifiedArg+"\n")
+
+	}
+	sort.Strings(args)
+	return args
+}
+
+// flagDetails returns a string containing the flags metadata
+func flagDetails(flag DocGenerationFlag) string {
+	description := flag.GetUsage()
+	if flag.TakesValue() {
+		defaultText := flag.GetDefaultText()
+		if defaultText == "" {
+			defaultText = flag.GetValue()
+		}
+		if defaultText != "" {
+			description += " (default: " + defaultText + ")"
+		}
+	}
+	return ": " + description
+}
+
+func prepareUsageText(command *Command) string {
+	if command.UsageText == "" {
+		return ""
+	}
+
+	// Remove leading and trailing newlines
+	preparedUsageText := strings.Trim(command.UsageText, "\n")
+
+	var usageText string
+	if strings.Contains(preparedUsageText, "\n") {
+		// Format multi-line string as a code block using the 4 space schema to allow for embedded markdown such
+		// that it will not break the continuous code block.
+		for _, ln := range strings.Split(preparedUsageText, "\n") {
+			usageText += fmt.Sprintf("    %s\n", ln)
+		}
+	} else {
+		// Style a single line as a note
+		usageText = fmt.Sprintf(">%s\n", preparedUsageText)
+	}
+
+	return usageText
+}
+
+func prepareUsage(command *Command, usageText string) string {
+	if command.Usage == "" {
+		return ""
+	}
+
+	usage := command.Usage + "\n"
+	// Add a newline to the Usage IFF there is a UsageText
+	if usageText != "" {
+		usage += "\n"
+	}
+
+	return usage
+}

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

+package cli
+
+import (
+	"fmt"
+	"io"
+	"os"
+	"strings"
+)
+
+// OsExiter is the function used when the app exits. If not set defaults to os.Exit.
+var OsExiter = os.Exit
+
+// ErrWriter is used to write errors to the user. This can be anything
+// implementing the io.Writer interface and defaults to os.Stderr.
+var ErrWriter io.Writer = os.Stderr
+
+// MultiError is an error that wraps multiple errors.
+type MultiError interface {
+	error
+	Errors() []error
+}
+
+// newMultiError creates a new MultiError. Pass in one or more errors.
+func newMultiError(err ...error) MultiError {
+	ret := multiError(err)
+	return &ret
+}
+
+type multiError []error
+
+// Error implements the error interface.
+func (m *multiError) Error() string {
+	errs := make([]string, len(*m))
+	for i, err := range *m {
+		errs[i] = err.Error()
+	}
+
+	return strings.Join(errs, "\n")
+}
+
+// Errors returns a copy of the errors slice
+func (m *multiError) Errors() []error {
+	errs := make([]error, len(*m))
+	for _, err := range *m {
+		errs = append(errs, err)
+	}
+	return errs
+}
+
+type requiredFlagsErr interface {
+	error
+	getMissingFlags() []string
+}
+
+type errRequiredFlags struct {
+	missingFlags []string
+}
+
+func (e *errRequiredFlags) Error() string {
+	numberOfMissingFlags := len(e.missingFlags)
+	if numberOfMissingFlags == 1 {
+		return fmt.Sprintf("Required flag %q not set", e.missingFlags[0])
+	}
+	joinedMissingFlags := strings.Join(e.missingFlags, ", ")
+	return fmt.Sprintf("Required flags %q not set", joinedMissingFlags)
+}
+
+func (e *errRequiredFlags) getMissingFlags() []string {
+	return e.missingFlags
+}
+
+// ErrorFormatter is the interface that will suitably format the error output
+type ErrorFormatter interface {
+	Format(s fmt.State, verb rune)
+}
+
+// ExitCoder is the interface checked by `App` and `Command` for a custom exit
+// code
+type ExitCoder interface {
+	error
+	ExitCode() int
+}
+
+type exitError struct {
+	exitCode int
+	err      error
+}
+
+// NewExitError calls Exit to create a new ExitCoder.
+//
+// Deprecated: This function is a duplicate of Exit and will eventually be removed.
+func NewExitError(message interface{}, exitCode int) ExitCoder {
+	return Exit(message, exitCode)
+}
+
+// Exit wraps a message and exit code into an error, which by default is
+// handled with a call to os.Exit during default error handling.
+//
+// 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 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{
+		err:      err,
+		exitCode: exitCode,
+	}
+}
+
+func (ee *exitError) Error() string {
+	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.
+//
+// If the given error instead implements MultiError, each error will be checked
+// for the ExitCoder interface, and OsExiter will be called with the last exit
+// code found, or exit code 1 if no ExitCoder is found.
+//
+// This function is the default error-handling behavior for an App.
+func HandleExitCoder(err error) {
+	if err == nil {
+		return
+	}
+
+	if exitErr, ok := err.(ExitCoder); ok {
+		if err.Error() != "" {
+			if _, ok := exitErr.(ErrorFormatter); ok {
+				_, _ = fmt.Fprintf(ErrWriter, "%+v\n", err)
+			} else {
+				_, _ = fmt.Fprintln(ErrWriter, err)
+			}
+		}
+		OsExiter(exitErr.ExitCode())
+		return
+	}
+
+	if multiErr, ok := err.(MultiError); ok {
+		code := handleMultiError(multiErr)
+		OsExiter(code)
+		return
+	}
+}
+
+func handleMultiError(multiErr MultiError) int {
+	code := 1
+	for _, merr := range multiErr.Errors() {
+		if multiErr2, ok := merr.(MultiError); ok {
+			code = handleMultiError(multiErr2)
+		} else if merr != nil {
+			fmt.Fprintln(ErrWriter, merr)
+			if exitErr, ok := merr.(ExitCoder); ok {
+				code = exitErr.ExitCode()
+			}
+		}
+	}
+	return code
+}

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

+package cli
+
+import (
+	"bytes"
+	"fmt"
+	"io"
+	"strings"
+	"text/template"
+)
+
+// ToFishCompletion creates a fish completion string for the `*App`
+// The function errors if either parsing or writing of the string fails.
+func (a *App) ToFishCompletion() (string, error) {
+	var w bytes.Buffer
+	if err := a.writeFishCompletionTemplate(&w); err != nil {
+		return "", err
+	}
+	return w.String(), nil
+}
+
+type fishCompletionTemplate struct {
+	App         *App
+	Completions []string
+	AllCommands []string
+}
+
+func (a *App) writeFishCompletionTemplate(w io.Writer) error {
+	const name = "cli"
+	t, err := template.New(name).Parse(FishCompletionTemplate)
+	if err != nil {
+		return err
+	}
+	allCommands := []string{}
+
+	// Add global flags
+	completions := a.prepareFishFlags(a.VisibleFlags(), allCommands)
+
+	// Add help flag
+	if !a.HideHelp {
+		completions = append(
+			completions,
+			a.prepareFishFlags([]Flag{HelpFlag}, allCommands)...,
+		)
+	}
+
+	// Add version flag
+	if !a.HideVersion {
+		completions = append(
+			completions,
+			a.prepareFishFlags([]Flag{VersionFlag}, allCommands)...,
+		)
+	}
+
+	// Add commands and their flags
+	completions = append(
+		completions,
+		a.prepareFishCommands(a.VisibleCommands(), &allCommands, []string{})...,
+	)
+
+	return t.ExecuteTemplate(w, name, &fishCompletionTemplate{
+		App:         a,
+		Completions: completions,
+		AllCommands: allCommands,
+	})
+}
+
+func (a *App) prepareFishCommands(commands []*Command, allCommands *[]string, previousCommands []string) []string {
+	completions := []string{}
+	for _, command := range commands {
+		if command.Hidden {
+			continue
+		}
+
+		var completion strings.Builder
+		completion.WriteString(fmt.Sprintf(
+			"complete -r -c %s -n '%s' -a '%s'",
+			a.Name,
+			a.fishSubcommandHelper(previousCommands),
+			strings.Join(command.Names(), " "),
+		))
+
+		if command.Usage != "" {
+			completion.WriteString(fmt.Sprintf(" -d '%s'",
+				escapeSingleQuotes(command.Usage)))
+		}
+
+		if !command.HideHelp {
+			completions = append(
+				completions,
+				a.prepareFishFlags([]Flag{HelpFlag}, command.Names())...,
+			)
+		}
+
+		*allCommands = append(*allCommands, command.Names()...)
+		completions = append(completions, completion.String())
+		completions = append(
+			completions,
+			a.prepareFishFlags(command.VisibleFlags(), command.Names())...,
+		)
+
+		// recursively iterate subcommands
+		if len(command.Subcommands) > 0 {
+			completions = append(
+				completions,
+				a.prepareFishCommands(
+					command.Subcommands, allCommands, command.Names(),
+				)...,
+			)
+		}
+	}
+
+	return completions
+}
+
+func (a *App) prepareFishFlags(flags []Flag, previousCommands []string) []string {
+	completions := []string{}
+	for _, f := range flags {
+		flag, ok := f.(DocGenerationFlag)
+		if !ok {
+			continue
+		}
+
+		completion := &strings.Builder{}
+		completion.WriteString(fmt.Sprintf(
+			"complete -c %s -n '%s'",
+			a.Name,
+			a.fishSubcommandHelper(previousCommands),
+		))
+
+		fishAddFileFlag(f, completion)
+
+		for idx, opt := range flag.Names() {
+			if idx == 0 {
+				completion.WriteString(fmt.Sprintf(
+					" -l %s", strings.TrimSpace(opt),
+				))
+			} else {
+				completion.WriteString(fmt.Sprintf(
+					" -s %s", strings.TrimSpace(opt),
+				))
+
+			}
+		}
+
+		if flag.TakesValue() {
+			completion.WriteString(" -r")
+		}
+
+		if flag.GetUsage() != "" {
+			completion.WriteString(fmt.Sprintf(" -d '%s'",
+				escapeSingleQuotes(flag.GetUsage())))
+		}
+
+		completions = append(completions, completion.String())
+	}
+
+	return completions
+}
+
+func fishAddFileFlag(flag Flag, completion *strings.Builder) {
+	switch f := flag.(type) {
+	case *GenericFlag:
+		if f.TakesFile {
+			return
+		}
+	case *StringFlag:
+		if f.TakesFile {
+			return
+		}
+	case *StringSliceFlag:
+		if f.TakesFile {
+			return
+		}
+	case *PathFlag:
+		if f.TakesFile {
+			return
+		}
+	}
+	completion.WriteString(" -f")
+}
+
+func (a *App) fishSubcommandHelper(allCommands []string) string {
+	fishHelper := fmt.Sprintf("__fish_%s_no_subcommand", a.Name)
+	if len(allCommands) > 0 {
+		fishHelper = fmt.Sprintf(
+			"__fish_seen_subcommand_from %s",
+			strings.Join(allCommands, " "),
+		)
+	}
+	return fishHelper
+
+}
+
+func escapeSingleQuotes(input string) string {
+	return strings.Replace(input, `'`, `\'`, -1)
+}

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

+# NOTE: this file is used by the tool defined in
+# ./cmd/urfave-cli-genflags/main.go which uses the
+# `Spec` type that maps to this file structure.
+flag_types:
+  bool:
+    struct_fields:
+      - name: Count
+        type: int
+        pointer: true
+      - name: DisableDefaultText
+        type: bool
+      - name: Action
+        type: "func(*Context, bool) error"
+  float64:
+    struct_fields:
+      - name: Action
+        type: "func(*Context, float64) error"
+  Float64Slice:
+    value_pointer: true
+    skip_interfaces:
+      - fmt.Stringer
+    struct_fields:
+      - name: separator
+        type: separatorSpec
+      - 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: 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: Timezone
+        type: "*time.Location"
+      - name: Action
+        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

+package cli
+
+import (
+	"errors"
+	"flag"
+	"fmt"
+	"io"
+	"os"
+	"regexp"
+	"runtime"
+	"strings"
+	"syscall"
+	"time"
+)
+
+const defaultPlaceholder = "value"
+
+const (
+	defaultSliceFlagSeparator = ","
+	disableSliceFlagSeparator = false
+)
+
+var (
+	slPfx = fmt.Sprintf("sl:::%d:::", time.Now().UTC().UnixNano())
+
+	commaWhitespace = regexp.MustCompile("[, ]+.*")
+)
+
+// BashCompletionFlag enables bash-completion for all commands and subcommands
+var BashCompletionFlag Flag = &BoolFlag{
+	Name:   "generate-bash-completion",
+	Hidden: true,
+}
+
+// VersionFlag prints the version for the application
+var VersionFlag Flag = &BoolFlag{
+	Name:               "version",
+	Aliases:            []string{"v"},
+	Usage:              "print the version",
+	DisableDefaultText: true,
+}
+
+// HelpFlag prints the help for all commands and subcommands.
+// Set to nil to disable the flag.  The subcommand
+// will still be added unless HideHelp or HideHelpCommand is set to true.
+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
+// to display a flag.
+var FlagStringer FlagStringFunc = stringifyFlag
+
+// Serializer is used to circumvent the limitations of flag.FlagSet.Set
+type Serializer interface {
+	Serialize() string
+}
+
+// FlagNamePrefixer converts a full flag name and its placeholder into the help
+// message flag prefix. This is used by the default FlagStringer.
+var FlagNamePrefixer FlagNamePrefixFunc = prefixedNames
+
+// FlagEnvHinter annotates flag help message with the environment variable
+// details. This is used by the default FlagStringer.
+var FlagEnvHinter FlagEnvHintFunc = withEnvHint
+
+// FlagFileHinter annotates flag help message with the environment variable
+// details. This is used by the default FlagStringer.
+var FlagFileHinter FlagFileHintFunc = withFileHint
+
+// FlagsByName is a slice of Flag.
+type FlagsByName []Flag
+
+func (f FlagsByName) Len() int {
+	return len(f)
+}
+
+func (f FlagsByName) Less(i, j int) bool {
+	if len(f[j].Names()) == 0 {
+		return false
+	} else if len(f[i].Names()) == 0 {
+		return true
+	}
+	return lexicographicLess(f[i].Names()[0], f[j].Names()[0])
+}
+
+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.
+type Flag interface {
+	fmt.Stringer
+	// Apply Flag settings to the given flag set
+	Apply(*flag.FlagSet) error
+	Names() []string
+	IsSet() bool
+}
+
+// RequiredFlag is an interface that allows us to mark flags as required
+// it allows flags required flags to be backwards compatible with the Flag interface
+type RequiredFlag interface {
+	Flag
+
+	IsRequired() bool
+}
+
+// DocGenerationFlag is an interface that allows documentation generation for the flag
+type DocGenerationFlag interface {
+	Flag
+
+	// TakesValue returns true if the flag takes a value, otherwise false
+	TakesValue() bool
+
+	// GetUsage returns the usage string for the flag
+	GetUsage() string
+
+	// GetValue returns the flags value as string representation and an empty
+	// string if the flag takes no value at all.
+	GetValue() string
+
+	// GetDefaultText returns the default text for this flag
+	GetDefaultText() string
+
+	// GetEnvVars returns the env vars for this flag
+	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
+
+	// IsVisible returns true if the flag is not hidden, otherwise false
+	IsVisible() bool
+}
+
+// CategorizableFlag is an interface that allows us to potentially
+// use a flag in a categorized representation.
+type CategorizableFlag interface {
+	VisibleFlag
+
+	GetCategory() string
+}
+
+// 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(io.Discard)
+	return set, nil
+}
+
+func copyFlag(name string, ff *flag.Flag, set *flag.FlagSet) {
+	switch ff.Value.(type) {
+	case Serializer:
+		_ = set.Set(name, ff.Value.(Serializer).Serialize())
+	default:
+		_ = set.Set(name, ff.Value.String())
+	}
+}
+
+func normalizeFlags(flags []Flag, set *flag.FlagSet) error {
+	visited := make(map[string]bool)
+	set.Visit(func(f *flag.Flag) {
+		visited[f.Name] = true
+	})
+	for _, f := range flags {
+		parts := f.Names()
+		if len(parts) == 1 {
+			continue
+		}
+		var ff *flag.Flag
+		for _, name := range parts {
+			name = strings.Trim(name, " ")
+			if visited[name] {
+				if ff != nil {
+					return errors.New("Cannot use two forms of the same flag: " + name + " " + ff.Name)
+				}
+				ff = set.Lookup(name)
+			}
+		}
+		if ff == nil {
+			continue
+		}
+		for _, name := range parts {
+			name = strings.Trim(name, " ")
+			if !visited[name] {
+				copyFlag(name, ff, set)
+			}
+		}
+	}
+	return nil
+}
+
+func visibleFlags(fl []Flag) []Flag {
+	var visible []Flag
+	for _, f := range fl {
+		if vf, ok := f.(VisibleFlag); ok && vf.IsVisible() {
+			visible = append(visible, f)
+		}
+	}
+	return visible
+}
+
+func prefixFor(name string) (prefix string) {
+	if len(name) == 1 {
+		prefix = "-"
+	} else {
+		prefix = "--"
+	}
+
+	return
+}
+
+// Returns the placeholder, if any, and the unquoted usage string.
+func unquoteUsage(usage string) (string, string) {
+	for i := 0; i < len(usage); i++ {
+		if usage[i] == '`' {
+			for j := i + 1; j < len(usage); j++ {
+				if usage[j] == '`' {
+					name := usage[i+1 : j]
+					usage = usage[:i] + name + usage[j+1:]
+					return name, usage
+				}
+			}
+			break
+		}
+	}
+	return "", usage
+}
+
+func prefixedNames(names []string, placeholder string) string {
+	var prefixed string
+	for i, name := range names {
+		if name == "" {
+			continue
+		}
+
+		prefixed += prefixFor(name) + name
+		if placeholder != "" {
+			prefixed += " " + placeholder
+		}
+		if i < len(names)-1 {
+			prefixed += ", "
+		}
+	}
+	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 runtime.GOOS != "windows" || os.Getenv("PSHOME") != "" {
+		envText = defaultEnvFormat(envVars)
+	} else {
+		envText = envFormat(envVars, "%", "%, %", "%")
+	}
+	return str + envText
+}
+
+func FlagNames(name string, aliases []string) []string {
+	var ret []string
+
+	for _, part := range append([]string{name}, aliases...) {
+		// v1 -> v2 migration warning zone:
+		// Strip off anything after the first found comma or space, which
+		// *hopefully* makes it a tiny bit more obvious that unexpected behavior is
+		// caused by using the v1 form of stringly typed "Name".
+		ret = append(ret, commaWhitespace.ReplaceAllString(part, ""))
+	}
+
+	return ret
+}
+
+func withFileHint(filePath, str string) string {
+	fileText := ""
+	if filePath != "" {
+		fileText = fmt.Sprintf(" [%s]", filePath)
+	}
+	return str + fileText
+}
+
+func formatDefault(format string) string {
+	return " (default: " + format + ")"
+}
+
+func stringifyFlag(f Flag) string {
+	// enforce DocGeneration interface on flags to avoid reflection
+	df, ok := f.(DocGenerationFlag)
+	if !ok {
+		return ""
+	}
+
+	placeholder, usage := unquoteUsage(df.GetUsage())
+	needsPlaceholder := df.TakesValue()
+
+	if needsPlaceholder && placeholder == "" {
+		placeholder = defaultPlaceholder
+	}
+
+	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)
+
+	pn := prefixedNames(df.Names(), placeholder)
+	sliceFlag, ok := f.(DocGenerationSliceFlag)
+	if ok && sliceFlag.IsSliceFlag() {
+		pn = pn + " [ " + pn + " ]"
+	}
+
+	return withEnvHint(df.GetEnvVars(), fmt.Sprintf("%s\t%s", pn, usageWithDefault))
+}
+
+func hasFlag(flags []Flag, fl Flag) bool {
+	for _, existing := range flags {
+		if fl == existing {
+			return true
+		}
+	}
+
+	return false
+}
+
+// Return the first value from a list of environment variables and files
+// (which may or may not exist), a description of where the value was found,
+// and a boolean which is true if a value was found.
+func flagFromEnvOrFile(envVars []string, filePath string) (value string, fromWhere string, found bool) {
+	for _, envVar := range envVars {
+		envVar = strings.TrimSpace(envVar)
+		if value, found := syscall.Getenv(envVar); found {
+			return value, fmt.Sprintf("environment variable %q", envVar), true
+		}
+	}
+	for _, fileVar := range strings.Split(filePath, ",") {
+		if fileVar != "" {
+			if data, err := os.ReadFile(fileVar); err == nil {
+				return string(data), fmt.Sprintf("file %q", filePath), true
+			}
+		}
+	}
+	return "", "", false
+}
+
+type customizedSeparator interface {
+	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

+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 && *b.count > 0 {
+		return *b.count
+	}
+	return 0
+}
+
+// TakesValue returns true of the flag takes a value, otherwise false
+func (f *BoolFlag) TakesValue() bool {
+	return false
+}
+
+// GetUsage returns the usage string for the flag
+func (f *BoolFlag) GetUsage() string {
+	return f.Usage
+}
+
+// GetCategory returns the category for the flag
+func (f *BoolFlag) 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 *BoolFlag) GetValue() string {
+	return ""
+}
+
+// GetDefaultText returns the default text for this flag
+func (f *BoolFlag) GetDefaultText() string {
+	if f.DefaultText != "" {
+		return f.DefaultText
+	}
+	if f.defaultValueSet {
+		return fmt.Sprintf("%v", f.defaultValue)
+	}
+	return fmt.Sprintf("%v", f.Value)
+}
+
+// GetEnvVars returns the env vars for this flag
+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
+	f.defaultValueSet = true
+
+	if val, source, found := flagFromEnvOrFile(f.EnvVars, f.FilePath); found {
+		if val != "" {
+			valBool, err := strconv.ParseBool(val)
+
+			if err != nil {
+				return fmt.Errorf("could not parse %q as bool value from %s for flag %s: %s", val, source, f.Name, err)
+			}
+
+			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)
+	}
+
+	// since count will be incremented for each alias as well
+	// subtract number of aliases from overall count
+	*count -= len(f.Aliases)
+
+	if dest == nil {
+		dest = new(bool)
+	}
+
+	for _, name := range f.Names() {
+		value := newBoolValue(f.Value, dest, count)
+		set.Var(value, name, f.Usage)
+	}
+
+	return nil
+}
+
+// Get returns the flag’s value in the given Context.
+func (f *BoolFlag) Get(ctx *Context) bool {
+	return ctx.Bool(f.Name)
+}
+
+// Bool looks up the value of a local BoolFlag, returns
+// false if not found
+func (cCtx *Context) Bool(name string) bool {
+	if fs := cCtx.lookupFlagSet(name); fs != nil {
+		return lookupBool(name, fs)
+	}
+	return false
+}
+
+func lookupBool(name string, set *flag.FlagSet) bool {
+	f := set.Lookup(name)
+	if f != nil {
+		parsed, err := strconv.ParseBool(f.Value.String())
+		if err != nil {
+			return false
+		}
+		return parsed
+	}
+	return false
+}

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

+package cli
+
+import (
+	"flag"
+	"fmt"
+	"time"
+)
+
+// TakesValue returns true of the flag takes a value, otherwise false
+func (f *DurationFlag) TakesValue() bool {
+	return true
+}
+
+// GetUsage returns the usage string for the flag
+func (f *DurationFlag) GetUsage() string {
+	return f.Usage
+}
+
+// GetCategory returns the category for the flag
+func (f *DurationFlag) 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 *DurationFlag) GetValue() string {
+	return f.Value.String()
+}
+
+// GetDefaultText returns the default text for this flag
+func (f *DurationFlag) GetDefaultText() string {
+	if f.DefaultText != "" {
+		return f.DefaultText
+	}
+	if f.defaultValueSet {
+		return f.defaultValue.String()
+	}
+	return f.Value.String()
+}
+
+// GetEnvVars returns the env vars for this flag
+func (f *DurationFlag) GetEnvVars() []string {
+	return f.EnvVars
+}
+
+// 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
+	f.defaultValueSet = true
+
+	if val, source, found := flagFromEnvOrFile(f.EnvVars, f.FilePath); found {
+		if val != "" {
+			valDuration, err := time.ParseDuration(val)
+
+			if err != nil {
+				return fmt.Errorf("could not parse %q as duration value from %s for flag %s: %s", val, source, f.Name, err)
+			}
+
+			f.Value = valDuration
+			f.HasBeenSet = true
+		}
+	}
+
+	for _, name := range f.Names() {
+		if f.Destination != nil {
+			set.DurationVar(f.Destination, name, f.Value, f.Usage)
+			continue
+		}
+		set.Duration(name, f.Value, f.Usage)
+	}
+	return nil
+}
+
+// Get returns the flag’s value in the given Context.
+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 {
+	if fs := cCtx.lookupFlagSet(name); fs != nil {
+		return lookupDuration(name, fs)
+	}
+	return 0
+}
+
+func lookupDuration(name string, set *flag.FlagSet) time.Duration {
+	f := set.Lookup(name)
+	if f != nil {
+		parsed, err := time.ParseDuration(f.Value.String())
+		if err != nil {
+			return 0
+		}
+		return parsed
+	}
+	return 0
+}

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

+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

+package cli
+
+import (
+	"flag"
+	"fmt"
+	"strconv"
+)
+
+// TakesValue returns true of the flag takes a value, otherwise false
+func (f *Float64Flag) TakesValue() bool {
+	return true
+}
+
+// GetUsage returns the usage string for the flag
+func (f *Float64Flag) GetUsage() string {
+	return f.Usage
+}
+
+// GetCategory returns the category for the flag
+func (f *Float64Flag) 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 *Float64Flag) GetValue() string {
+	return fmt.Sprintf("%v", f.Value)
+}
+
+// GetDefaultText returns the default text for this flag
+func (f *Float64Flag) GetDefaultText() string {
+	if f.DefaultText != "" {
+		return f.DefaultText
+	}
+	if f.defaultValueSet {
+		return fmt.Sprintf("%v", f.defaultValue)
+	}
+	return fmt.Sprintf("%v", f.Value)
+}
+
+// GetEnvVars returns the env vars for this flag
+func (f *Float64Flag) GetEnvVars() []string {
+	return f.EnvVars
+}
+
+// Apply populates the flag given the flag set and environment
+func (f *Float64Flag) Apply(set *flag.FlagSet) error {
+	f.defaultValue = f.Value
+	f.defaultValueSet = true
+
+	if val, source, found := flagFromEnvOrFile(f.EnvVars, f.FilePath); found {
+		if val != "" {
+			valFloat, err := strconv.ParseFloat(val, 64)
+			if err != nil {
+				return fmt.Errorf("could not parse %q as float64 value from %s for flag %s: %s", val, source, f.Name, err)
+			}
+
+			f.Value = valFloat
+			f.HasBeenSet = true
+		}
+	}
+
+	for _, name := range f.Names() {
+		if f.Destination != nil {
+			set.Float64Var(f.Destination, name, f.Value, f.Usage)
+			continue
+		}
+		set.Float64(name, f.Value, f.Usage)
+	}
+
+	return nil
+}
+
+// Get returns the flag’s value in the given Context.
+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 {
+	if fs := cCtx.lookupFlagSet(name); fs != nil {
+		return lookupFloat64(name, fs)
+	}
+	return 0
+}
+
+func lookupFloat64(name string, set *flag.FlagSet) float64 {
+	f := set.Lookup(name)
+	if f != nil {
+		parsed, err := strconv.ParseFloat(f.Value.String(), 64)
+		if err != nil {
+			return 0
+		}
+		return parsed
+	}
+	return 0
+}

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

+package cli
+
+import (
+	"encoding/json"
+	"flag"
+	"fmt"
+	"strconv"
+	"strings"
+)
+
+// Float64Slice wraps []float64 to satisfy flag.Value
+type Float64Slice struct {
+	slice      []float64
+	separator  separatorSpec
+	hasBeenSet bool
+}
+
+// NewFloat64Slice makes a *Float64Slice with default values
+func NewFloat64Slice(defaults ...float64) *Float64Slice {
+	return &Float64Slice{slice: append([]float64{}, defaults...)}
+}
+
+// clone allocate a copy of self object
+func (f *Float64Slice) clone() *Float64Slice {
+	n := &Float64Slice{
+		slice:      make([]float64, len(f.slice)),
+		hasBeenSet: f.hasBeenSet,
+	}
+	copy(n.slice, f.slice)
+	return n
+}
+
+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 {
+		f.slice = []float64{}
+		f.hasBeenSet = true
+	}
+
+	if strings.HasPrefix(value, slPfx) {
+		// Deserializing assumes overwrite
+		_ = json.Unmarshal([]byte(strings.Replace(value, slPfx, "", 1)), &f.slice)
+		f.hasBeenSet = true
+		return nil
+	}
+
+	for _, s := range f.separator.flagSplitMultiValues(value) {
+		tmp, err := strconv.ParseFloat(strings.TrimSpace(s), 64)
+		if err != nil {
+			return err
+		}
+
+		f.slice = append(f.slice, tmp)
+	}
+	return nil
+}
+
+// String returns a readable representation of this value (for usage defaults)
+func (f *Float64Slice) String() string {
+	v := f.slice
+	if v == nil {
+		// treat nil the same as zero length non-nil
+		v = make([]float64, 0)
+	}
+	return fmt.Sprintf("%#v", v)
+}
+
+// Serialize allows Float64Slice to fulfill Serializer
+func (f *Float64Slice) Serialize() string {
+	jsonBytes, _ := json.Marshal(f.slice)
+	return fmt.Sprintf("%s%s", slPfx, string(jsonBytes))
+}
+
+// Value returns the slice of float64s set by this flag
+func (f *Float64Slice) Value() []float64 {
+	return f.slice
+}
+
+// Get returns the slice of float64s set by this flag
+func (f *Float64Slice) Get() interface{} {
+	return *f
+}
+
+// String returns a readable representation of this value
+// (for usage defaults)
+func (f *Float64SliceFlag) String() string {
+	return FlagStringer(f)
+}
+
+// TakesValue returns true if the flag takes a value, otherwise false
+func (f *Float64SliceFlag) TakesValue() bool {
+	return true
+}
+
+// GetUsage returns the usage string for the flag
+func (f *Float64SliceFlag) GetUsage() string {
+	return f.Usage
+}
+
+// GetCategory returns the category for the flag
+func (f *Float64SliceFlag) 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 *Float64SliceFlag) GetValue() 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 strings.Join(defaultVals, ", ")
+}
+
+// GetDefaultText returns the default text for this flag
+func (f *Float64SliceFlag) GetDefaultText() string {
+	if f.DefaultText != "" {
+		return f.DefaultText
+	}
+	return f.GetValue()
+}
+
+// GetEnvVars returns the env vars for this flag
+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
+	if f.Destination != nil && f.Value != nil {
+		f.Destination.slice = make([]float64, len(f.Value.slice))
+		copy(f.Destination.slice, f.Value.slice)
+	}
+
+	// resolve setValue (what we will assign to the set)
+	var setValue *Float64Slice
+	switch {
+	case f.Destination != nil:
+		setValue = f.Destination
+	case f.Value != nil:
+		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 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)
+				}
+			}
+
+			// 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 *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 {
+	if fs := cCtx.lookupFlagSet(name); fs != nil {
+		return lookupFloat64Slice(name, fs)
+	}
+	return nil
+}
+
+func lookupFloat64Slice(name string, set *flag.FlagSet) []float64 {
+	f := set.Lookup(name)
+	if f != nil {
+		if slice, ok := unwrapFlagValue(f.Value).(*Float64Slice); ok {
+			return slice.Value()
+		}
+	}
+	return nil
+}

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

+package cli
+
+import (
+	"flag"
+	"fmt"
+)
+
+// Generic is a generic parseable type identified by a specific flag
+type Generic interface {
+	Set(value string) error
+	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
+}
+
+// GetUsage returns the usage string for the flag
+func (f *GenericFlag) GetUsage() string {
+	return f.Usage
+}
+
+// GetCategory returns the category for the flag
+func (f *GenericFlag) 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 *GenericFlag) GetValue() string {
+	if f.Value != nil {
+		return f.Value.String()
+	}
+	return ""
+}
+
+// GetDefaultText returns the default text for this flag
+func (f *GenericFlag) GetDefaultText() string {
+	if f.DefaultText != "" {
+		return f.DefaultText
+	}
+	val := f.Value
+	if f.defaultValueSet {
+		val = f.defaultValue
+	}
+
+	if val != nil {
+		return val.String()
+	}
+
+	return ""
+}
+
+// GetEnvVars returns the env vars for this flag
+func (f *GenericFlag) GetEnvVars() []string {
+	return f.EnvVars
+}
+
+// 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 {
+	// set default value so that environment wont be able to overwrite it
+	if f.Value != nil {
+		f.defaultValue = &stringGeneric{value: f.Value.String()}
+		f.defaultValueSet = true
+	}
+
+	if val, source, found := flagFromEnvOrFile(f.EnvVars, f.FilePath); found {
+		if val != "" {
+			if err := f.Value.Set(val); err != nil {
+				return fmt.Errorf("could not parse %q from %s as value for flag %s: %s", val, source, f.Name, err)
+			}
+
+			f.HasBeenSet = true
+		}
+	}
+
+	for _, name := range f.Names() {
+		if f.Destination != nil {
+			set.Var(f.Destination, name, f.Usage)
+			continue
+		}
+		set.Var(f.Value, name, f.Usage)
+	}
+
+	return nil
+}
+
+// Get returns the flag’s value in the given Context.
+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{} {
+	if fs := cCtx.lookupFlagSet(name); fs != nil {
+		return lookupGeneric(name, fs)
+	}
+	return nil
+}
+
+func lookupGeneric(name string, set *flag.FlagSet) interface{} {
+	if f := set.Lookup(name); f != nil {
+		return f.Value
+	}
+	return nil
+}

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

+package cli
+
+import (
+	"flag"
+	"fmt"
+	"strconv"
+)
+
+// TakesValue returns true of the flag takes a value, otherwise false
+func (f *IntFlag) TakesValue() bool {
+	return true
+}
+
+// GetUsage returns the usage string for the flag
+func (f *IntFlag) GetUsage() string {
+	return f.Usage
+}
+
+// GetCategory returns the category for the flag
+func (f *IntFlag) 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 *IntFlag) GetValue() string {
+	return fmt.Sprintf("%d", f.Value)
+}
+
+// GetDefaultText returns the default text for this flag
+func (f *IntFlag) GetDefaultText() string {
+	if f.DefaultText != "" {
+		return f.DefaultText
+	}
+	if f.defaultValueSet {
+		return fmt.Sprintf("%d", f.defaultValue)
+	}
+	return fmt.Sprintf("%d", f.Value)
+}
+
+// GetEnvVars returns the env vars for this flag
+func (f *IntFlag) GetEnvVars() []string {
+	return f.EnvVars
+}
+
+// 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
+	f.defaultValueSet = true
+
+	if val, source, found := flagFromEnvOrFile(f.EnvVars, f.FilePath); found {
+		if val != "" {
+			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)
+			}
+
+			f.Value = int(valInt)
+			f.HasBeenSet = true
+		}
+	}
+
+	for _, name := range f.Names() {
+		if f.Destination != nil {
+			set.IntVar(f.Destination, name, f.Value, f.Usage)
+			continue
+		}
+		set.Int(name, f.Value, f.Usage)
+	}
+
+	return nil
+}
+
+// Get returns the flag’s value in the given Context.
+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 {
+	if fs := cCtx.lookupFlagSet(name); fs != nil {
+		return lookupInt(name, fs)
+	}
+	return 0
+}
+
+func lookupInt(name string, set *flag.FlagSet) int {
+	f := set.Lookup(name)
+	if f != nil {
+		parsed, err := strconv.ParseInt(f.Value.String(), 0, 64)
+		if err != nil {
+			return 0
+		}
+		return int(parsed)
+	}
+	return 0
+}

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

+package cli
+
+import (
+	"flag"
+	"fmt"
+	"strconv"
+)
+
+// TakesValue returns true of the flag takes a value, otherwise false
+func (f *Int64Flag) TakesValue() bool {
+	return true
+}
+
+// GetUsage returns the usage string for the flag
+func (f *Int64Flag) GetUsage() string {
+	return f.Usage
+}
+
+// GetCategory returns the category for the flag
+func (f *Int64Flag) 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 *Int64Flag) GetValue() string {
+	return fmt.Sprintf("%d", f.Value)
+}
+
+// GetDefaultText returns the default text for this flag
+func (f *Int64Flag) GetDefaultText() string {
+	if f.DefaultText != "" {
+		return f.DefaultText
+	}
+	if f.defaultValueSet {
+		return fmt.Sprintf("%d", f.defaultValue)
+	}
+	return fmt.Sprintf("%d", f.Value)
+}
+
+// GetEnvVars returns the env vars for this flag
+func (f *Int64Flag) GetEnvVars() []string {
+	return f.EnvVars
+}
+
+// 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
+	f.defaultValueSet = true
+
+	if val, source, found := flagFromEnvOrFile(f.EnvVars, f.FilePath); found {
+		if val != "" {
+			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)
+			}
+
+			f.Value = valInt
+			f.HasBeenSet = true
+		}
+	}
+
+	for _, name := range f.Names() {
+		if f.Destination != nil {
+			set.Int64Var(f.Destination, name, f.Value, f.Usage)
+			continue
+		}
+		set.Int64(name, f.Value, f.Usage)
+	}
+	return nil
+}
+
+// Get returns the flag’s value in the given Context.
+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 {
+	if fs := cCtx.lookupFlagSet(name); fs != nil {
+		return lookupInt64(name, fs)
+	}
+	return 0
+}
+
+func lookupInt64(name string, set *flag.FlagSet) int64 {
+	f := set.Lookup(name)
+	if f != nil {
+		parsed, err := strconv.ParseInt(f.Value.String(), 0, 64)
+		if err != nil {
+			return 0
+		}
+		return parsed
+	}
+	return 0
+}

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

+package cli
+
+import (
+	"encoding/json"
+	"flag"
+	"fmt"
+	"strconv"
+	"strings"
+)
+
+// Int64Slice wraps []int64 to satisfy flag.Value
+type Int64Slice struct {
+	slice      []int64
+	separator  separatorSpec
+	hasBeenSet bool
+}
+
+// NewInt64Slice makes an *Int64Slice with default values
+func NewInt64Slice(defaults ...int64) *Int64Slice {
+	return &Int64Slice{slice: append([]int64{}, defaults...)}
+}
+
+// clone allocate a copy of self object
+func (i *Int64Slice) clone() *Int64Slice {
+	n := &Int64Slice{
+		slice:      make([]int64, len(i.slice)),
+		hasBeenSet: i.hasBeenSet,
+	}
+	copy(n.slice, i.slice)
+	return n
+}
+
+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 {
+		i.slice = []int64{}
+		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.ParseInt(strings.TrimSpace(s), 0, 64)
+		if err != nil {
+			return err
+		}
+
+		i.slice = append(i.slice, tmp)
+	}
+
+	return nil
+}
+
+// String returns a readable representation of this value (for usage defaults)
+func (i *Int64Slice) String() string {
+	v := i.slice
+	if v == nil {
+		// treat nil the same as zero length non-nil
+		v = make([]int64, 0)
+	}
+	return fmt.Sprintf("%#v", v)
+}
+
+// Serialize allows Int64Slice to fulfill Serializer
+func (i *Int64Slice) 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 *Int64Slice) Value() []int64 {
+	return i.slice
+}
+
+// Get returns the slice of ints set by this flag
+func (i *Int64Slice) Get() interface{} {
+	return *i
+}
+
+// String returns a readable representation of this value
+// (for usage defaults)
+func (f *Int64SliceFlag) String() string {
+	return FlagStringer(f)
+}
+
+// TakesValue returns true of the flag takes a value, otherwise false
+func (f *Int64SliceFlag) TakesValue() bool {
+	return true
+}
+
+// GetUsage returns the usage string for the flag
+func (f *Int64SliceFlag) GetUsage() string {
+	return f.Usage
+}
+
+// GetCategory returns the category for the flag
+func (f *Int64SliceFlag) 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 *Int64SliceFlag) GetValue() 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 strings.Join(defaultVals, ", ")
+}
+
+// GetDefaultText returns the default text for this flag
+func (f *Int64SliceFlag) GetDefaultText() string {
+	if f.DefaultText != "" {
+		return f.DefaultText
+	}
+	return f.GetValue()
+}
+
+// GetEnvVars returns the env vars for this flag
+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
+	if f.Destination != nil && f.Value != nil {
+		f.Destination.slice = make([]int64, len(f.Value.slice))
+		copy(f.Destination.slice, f.Value.slice)
+	}
+
+	// resolve setValue (what we will assign to the set)
+	var setValue *Int64Slice
+	switch {
+	case f.Destination != nil:
+		setValue = f.Destination
+	case f.Value != nil:
+		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 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)
+			}
+		}
+
+		// 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 *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 {
+	if fs := cCtx.lookupFlagSet(name); fs != nil {
+		return lookupInt64Slice(name, fs)
+	}
+	return nil
+}
+
+func lookupInt64Slice(name string, set *flag.FlagSet) []int64 {
+	f := set.Lookup(name)
+	if f != nil {
+		if slice, ok := unwrapFlagValue(f.Value).(*Int64Slice); ok {
+			return slice.Value()
+		}
+	}
+	return nil
+}

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

+package cli
+
+import (
+	"encoding/json"
+	"flag"
+	"fmt"
+	"strconv"
+	"strings"
+)
+
+// IntSlice wraps []int to satisfy flag.Value
+type IntSlice struct {
+	slice      []int
+	separator  separatorSpec
+	hasBeenSet bool
+}
+
+// NewIntSlice makes an *IntSlice with default values
+func NewIntSlice(defaults ...int) *IntSlice {
+	return &IntSlice{slice: append([]int{}, defaults...)}
+}
+
+// clone allocate a copy of self object
+func (i *IntSlice) clone() *IntSlice {
+	n := &IntSlice{
+		slice:      make([]int, len(i.slice)),
+		hasBeenSet: i.hasBeenSet,
+	}
+	copy(n.slice, i.slice)
+	return n
+}
+
+// TODO: Consistently have specific Set function for Int64 and Float64 ?
+// SetInt directly adds an integer to the list of values
+func (i *IntSlice) SetInt(value int) {
+	if !i.hasBeenSet {
+		i.slice = []int{}
+		i.hasBeenSet = true
+	}
+
+	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 {
+		i.slice = []int{}
+		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.ParseInt(strings.TrimSpace(s), 0, 64)
+		if err != nil {
+			return err
+		}
+
+		i.slice = append(i.slice, int(tmp))
+	}
+
+	return nil
+}
+
+// String returns a readable representation of this value (for usage defaults)
+func (i *IntSlice) String() string {
+	v := i.slice
+	if v == nil {
+		// treat nil the same as zero length non-nil
+		v = make([]int, 0)
+	}
+	return fmt.Sprintf("%#v", v)
+}
+
+// Serialize allows IntSlice to fulfill Serializer
+func (i *IntSlice) 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 *IntSlice) Value() []int {
+	return i.slice
+}
+
+// Get returns the slice of ints set by this flag
+func (i *IntSlice) Get() interface{} {
+	return *i
+}
+
+// String returns a readable representation of this value
+// (for usage defaults)
+func (f *IntSliceFlag) String() string {
+	return FlagStringer(f)
+}
+
+// TakesValue returns true of the flag takes a value, otherwise false
+func (f *IntSliceFlag) TakesValue() bool {
+	return true
+}
+
+// GetUsage returns the usage string for the flag
+func (f *IntSliceFlag) GetUsage() string {
+	return f.Usage
+}
+
+// GetCategory returns the category for the flag
+func (f *IntSliceFlag) 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 *IntSliceFlag) GetValue() 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 strings.Join(defaultVals, ", ")
+}
+
+// GetDefaultText returns the default text for this flag
+func (f *IntSliceFlag) GetDefaultText() string {
+	if f.DefaultText != "" {
+		return f.DefaultText
+	}
+	return f.GetValue()
+}
+
+// GetEnvVars returns the env vars for this flag
+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
+	if f.Destination != nil && f.Value != nil {
+		f.Destination.slice = make([]int, len(f.Value.slice))
+		copy(f.Destination.slice, f.Value.slice)
+	}
+
+	// resolve setValue (what we will assign to the set)
+	var setValue *IntSlice
+	switch {
+	case f.Destination != nil:
+		setValue = f.Destination
+	case f.Value != nil:
+		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 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)
+			}
+		}
+
+		// 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 *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 {
+	if fs := cCtx.lookupFlagSet(name); fs != nil {
+		return lookupIntSlice(name, fs)
+	}
+	return nil
+}
+
+func lookupIntSlice(name string, set *flag.FlagSet) []int {
+	f := set.Lookup(name)
+	if f != nil {
+		if slice, ok := unwrapFlagValue(f.Value).(*IntSlice); ok {
+			return slice.Value()
+		}
+	}
+	return nil
+}

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

+package cli
+
+import (
+	"flag"
+	"fmt"
+)
+
+type Path = string
+
+// TakesValue returns true of the flag takes a value, otherwise false
+func (f *PathFlag) TakesValue() bool {
+	return true
+}
+
+// GetUsage returns the usage string for the flag
+func (f *PathFlag) GetUsage() string {
+	return f.Usage
+}
+
+// GetCategory returns the category for the flag
+func (f *PathFlag) 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 *PathFlag) GetValue() string {
+	return f.Value
+}
+
+// GetDefaultText returns the default text for this flag
+func (f *PathFlag) GetDefaultText() string {
+	if f.DefaultText != "" {
+		return f.DefaultText
+	}
+	val := f.Value
+	if f.defaultValueSet {
+		val = f.defaultValue
+	}
+	if val == "" {
+		return val
+	}
+	return fmt.Sprintf("%q", val)
+}
+
+// GetEnvVars returns the env vars for this flag
+func (f *PathFlag) GetEnvVars() []string {
+	return f.EnvVars
+}
+
+// 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
+	f.defaultValueSet = true
+
+	if val, _, found := flagFromEnvOrFile(f.EnvVars, f.FilePath); found {
+		f.Value = val
+		f.HasBeenSet = true
+	}
+
+	for _, name := range f.Names() {
+		if f.Destination != nil {
+			set.StringVar(f.Destination, name, f.Value, f.Usage)
+			continue
+		}
+		set.String(name, f.Value, f.Usage)
+	}
+
+	return nil
+}
+
+// Get returns the flag’s value in the given Context.
+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 {
+	if fs := cCtx.lookupFlagSet(name); fs != nil {
+		return lookupPath(name, fs)
+	}
+
+	return ""
+}
+
+func lookupPath(name string, set *flag.FlagSet) string {
+	if f := set.Lookup(name); f != nil {
+		return f.Value.String()
+	}
+	return ""
+}

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

+package cli
+
+import (
+	"flag"
+	"fmt"
+)
+
+// TakesValue returns true of the flag takes a value, otherwise false
+func (f *StringFlag) TakesValue() bool {
+	return true
+}
+
+// GetUsage returns the usage string for the flag
+func (f *StringFlag) GetUsage() string {
+	return f.Usage
+}
+
+// GetCategory returns the category for the flag
+func (f *StringFlag) 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 *StringFlag) GetValue() string {
+	return f.Value
+}
+
+// GetDefaultText returns the default text for this flag
+func (f *StringFlag) GetDefaultText() string {
+	if f.DefaultText != "" {
+		return f.DefaultText
+	}
+	val := f.Value
+	if f.defaultValueSet {
+		val = f.defaultValue
+	}
+
+	if val == "" {
+		return val
+	}
+	return fmt.Sprintf("%q", val)
+}
+
+// GetEnvVars returns the env vars for this flag
+func (f *StringFlag) GetEnvVars() []string {
+	return f.EnvVars
+}
+
+// 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
+	f.defaultValueSet = true
+
+	if val, _, found := flagFromEnvOrFile(f.EnvVars, f.FilePath); found {
+		f.Value = val
+		f.HasBeenSet = true
+	}
+
+	for _, name := range f.Names() {
+		if f.Destination != nil {
+			set.StringVar(f.Destination, name, f.Value, f.Usage)
+			continue
+		}
+		set.String(name, f.Value, f.Usage)
+	}
+
+	return nil
+}
+
+// Get returns the flag’s value in the given Context.
+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 {
+	if fs := cCtx.lookupFlagSet(name); fs != nil {
+		return lookupString(name, fs)
+	}
+	return ""
+}
+
+func lookupString(name string, set *flag.FlagSet) string {
+	if f := set.Lookup(name); f != nil {
+		return f.Value.String()
+	}
+	return ""
+}

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

+package cli
+
+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
+func NewStringSlice(defaults ...string) *StringSlice {
+	return &StringSlice{slice: append([]string{}, defaults...)}
+}
+
+// clone allocate a copy of self object
+func (s *StringSlice) clone() *StringSlice {
+	n := &StringSlice{
+		slice:      make([]string, len(s.slice)),
+		hasBeenSet: s.hasBeenSet,
+	}
+	copy(n.slice, s.slice)
+	return n
+}
+
+// Set appends the string value to the list of values
+func (s *StringSlice) Set(value string) error {
+	if !s.hasBeenSet {
+		s.slice = []string{}
+		s.hasBeenSet = true
+	}
+
+	if strings.HasPrefix(value, slPfx) {
+		// Deserializing assumes overwrite
+		_ = json.Unmarshal([]byte(strings.Replace(value, slPfx, "", 1)), &s.slice)
+		s.hasBeenSet = true
+		return nil
+	}
+
+	for _, t := range s.separator.flagSplitMultiValues(value) {
+		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)
+}
+
+// Serialize allows StringSlice to fulfill Serializer
+func (s *StringSlice) Serialize() string {
+	jsonBytes, _ := json.Marshal(s.slice)
+	return fmt.Sprintf("%s%s", slPfx, string(jsonBytes))
+}
+
+// Value returns the slice of strings set by this flag
+func (s *StringSlice) Value() []string {
+	return s.slice
+}
+
+// Get returns the slice of strings set by this flag
+func (s *StringSlice) Get() interface{} {
+	return *s
+}
+
+// String returns a readable representation of this value
+// (for usage defaults)
+func (f *StringSliceFlag) String() string {
+	return FlagStringer(f)
+}
+
+// TakesValue returns true of the flag takes a value, otherwise false
+func (f *StringSliceFlag) TakesValue() bool {
+	return true
+}
+
+// GetUsage returns the usage string for the flag
+func (f *StringSliceFlag) GetUsage() string {
+	return f.Usage
+}
+
+// GetCategory returns the category for the flag
+func (f *StringSliceFlag) 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 *StringSliceFlag) GetValue() 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 strings.Join(defaultVals, ", ")
+}
+
+// GetDefaultText returns the default text for this flag
+func (f *StringSliceFlag) GetDefaultText() string {
+	if f.DefaultText != "" {
+		return f.DefaultText
+	}
+	return f.GetValue()
+}
+
+// GetEnvVars returns the env vars for this flag
+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
+	if f.Destination != nil && f.Value != nil {
+		f.Destination.slice = make([]string, len(f.Value.slice))
+		copy(f.Destination.slice, f.Value.slice)
+	}
+
+	// resolve setValue (what we will assign to the set)
+	var setValue *StringSlice
+	switch {
+	case f.Destination != nil:
+		setValue = f.Destination
+	case f.Value != nil:
+		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 f.separator.flagSplitMultiValues(val) {
+			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)
+			}
+		}
+
+		// 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 *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 {
+	if fs := cCtx.lookupFlagSet(name); fs != nil {
+		return lookupStringSlice(name, fs)
+	}
+	return nil
+}
+
+func lookupStringSlice(name string, set *flag.FlagSet) []string {
+	f := set.Lookup(name)
+	if f != nil {
+		if slice, ok := unwrapFlagValue(f.Value).(*StringSlice); ok {
+			return slice.Value()
+		}
+	}
+	return nil
+}

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

+package cli
+
+import (
+	"flag"
+	"fmt"
+	"time"
+)
+
+// Timestamp wrap to satisfy golang's flag interface.
+type Timestamp struct {
+	timestamp  *time.Time
+	hasBeenSet bool
+	layout     string
+	location   *time.Location
+}
+
+// Timestamp constructor
+func NewTimestamp(timestamp time.Time) *Timestamp {
+	return &Timestamp{timestamp: &timestamp}
+}
+
+// Set the timestamp value directly
+func (t *Timestamp) SetTimestamp(value time.Time) {
+	if !t.hasBeenSet {
+		t.timestamp = &value
+		t.hasBeenSet = true
+	}
+}
+
+// Set the timestamp string layout for future parsing
+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 {
+	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
+	}
+
+	t.timestamp = &timestamp
+	t.hasBeenSet = true
+	return nil
+}
+
+// String returns a readable representation of this value (for usage defaults)
+func (t *Timestamp) String() string {
+	return fmt.Sprintf("%#v", t.timestamp)
+}
+
+// Value returns the timestamp value stored in the flag
+func (t *Timestamp) Value() *time.Time {
+	return t.timestamp
+}
+
+// Get returns the flag structure
+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
+}
+
+// GetUsage returns the usage string for the flag
+func (f *TimestampFlag) GetUsage() string {
+	return f.Usage
+}
+
+// GetCategory returns the category for the flag
+func (f *TimestampFlag) 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 *TimestampFlag) GetValue() string {
+	if f.Value != nil && f.Value.timestamp != nil {
+		return f.Value.timestamp.String()
+	}
+	return ""
+}
+
+// GetDefaultText returns the default text for this flag
+func (f *TimestampFlag) GetDefaultText() string {
+	if f.DefaultText != "" {
+		return f.DefaultText
+	}
+	val := f.Value
+	if f.defaultValueSet {
+		val = f.defaultValue
+	}
+
+	if val != nil && val.timestamp != nil {
+		return val.timestamp.String()
+	}
+
+	return ""
+}
+
+// GetEnvVars returns the env vars for this flag
+func (f *TimestampFlag) GetEnvVars() []string {
+	return f.EnvVars
+}
+
+// Apply populates the flag given the flag set and environment
+func (f *TimestampFlag) Apply(set *flag.FlagSet) error {
+	if f.Layout == "" {
+		return fmt.Errorf("timestamp Layout is required")
+	}
+	if f.Value == nil {
+		f.Value = &Timestamp{}
+	}
+	f.Value.SetLayout(f.Layout)
+	f.Value.SetLocation(f.Timezone)
+
+	f.defaultValue = f.Value.clone()
+	f.defaultValueSet = true
+
+	if val, source, found := flagFromEnvOrFile(f.EnvVars, f.FilePath); found {
+		if err := f.Value.Set(val); err != nil {
+			return fmt.Errorf("could not parse %q as timestamp value from %s for flag %s: %s", val, source, f.Name, err)
+		}
+		f.HasBeenSet = true
+	}
+
+	if f.Destination != nil {
+		*f.Destination = *f.Value
+	}
+
+	for _, name := range f.Names() {
+		if f.Destination != nil {
+			set.Var(f.Destination, name, f.Usage)
+			continue
+		}
+
+		set.Var(f.Value, name, f.Usage)
+	}
+	return nil
+}
+
+// Get returns the flag’s value in the given Context.
+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 {
+		return lookupTimestamp(name, fs)
+	}
+	return nil
+}
+
+// Fetches the timestamp value from the local timestampWrap
+func lookupTimestamp(name string, set *flag.FlagSet) *time.Time {
+	f := set.Lookup(name)
+	if f != nil {
+		return (f.Value.(*Timestamp)).Value()
+	}
+	return nil
+}