forked from forgejo/forgejo
Added all required dependencies
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Thomas Boerger
parent
78f86abba4
commit
1ebb35b988
660 changed files with 502447 additions and 0 deletions
284
vendor/github.com/urfave/cli/command.go
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vendored
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284
vendor/github.com/urfave/cli/command.go
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package cli
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import (
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"fmt"
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"io/ioutil"
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"sort"
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"strings"
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)
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// Command is a subcommand for a cli.App.
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type Command struct {
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// The name of the command
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Name string
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// short name of the command. Typically one character (deprecated, use `Aliases`)
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ShortName string
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// A list of aliases for the command
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Aliases []string
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// A short description of the usage of this command
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Usage string
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// Custom text to show on USAGE section of help
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UsageText string
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// A longer explanation of how the command works
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Description string
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// A short description of the arguments of this command
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ArgsUsage string
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// The category the command is part of
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Category string
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// The function to call when checking for bash command completions
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BashComplete BashCompleteFunc
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// An action to execute before any sub-subcommands are run, but after the context is ready
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// If a non-nil error is returned, no sub-subcommands are run
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Before BeforeFunc
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// An action to execute after any subcommands are run, but after the subcommand has finished
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// It is run even if Action() panics
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After AfterFunc
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// The function to call when this command is invoked
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Action interface{}
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// TODO: replace `Action: interface{}` with `Action: ActionFunc` once some kind
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// of deprecation period has passed, maybe?
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// Execute this function if a usage error occurs.
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OnUsageError OnUsageErrorFunc
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// List of child commands
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Subcommands Commands
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// List of flags to parse
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Flags []Flag
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// Treat all flags as normal arguments if true
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SkipFlagParsing bool
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// Skip argument reordering which attempts to move flags before arguments,
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// but only works if all flags appear after all arguments. This behavior was
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// removed n version 2 since it only works under specific conditions so we
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// backport here by exposing it as an option for compatibility.
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SkipArgReorder bool
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// Boolean to hide built-in help command
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HideHelp bool
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// Boolean to hide this command from help or completion
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Hidden bool
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// Full name of command for help, defaults to full command name, including parent commands.
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HelpName string
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commandNamePath []string
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}
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// FullName returns the full name of the command.
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// For subcommands this ensures that parent commands are part of the command path
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func (c Command) FullName() string {
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if c.commandNamePath == nil {
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return c.Name
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}
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return strings.Join(c.commandNamePath, " ")
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}
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// Commands is a slice of Command
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type Commands []Command
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// Run invokes the command given the context, parses ctx.Args() to generate command-specific flags
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func (c Command) Run(ctx *Context) (err error) {
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if len(c.Subcommands) > 0 {
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return c.startApp(ctx)
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}
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if !c.HideHelp && (HelpFlag != BoolFlag{}) {
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// append help to flags
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c.Flags = append(
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c.Flags,
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HelpFlag,
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)
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}
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if ctx.App.EnableBashCompletion {
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c.Flags = append(c.Flags, BashCompletionFlag)
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}
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set := flagSet(c.Name, c.Flags)
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set.SetOutput(ioutil.Discard)
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if c.SkipFlagParsing {
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err = set.Parse(append([]string{"--"}, ctx.Args().Tail()...))
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} else if !c.SkipArgReorder {
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firstFlagIndex := -1
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terminatorIndex := -1
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for index, arg := range ctx.Args() {
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if arg == "--" {
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terminatorIndex = index
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break
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} else if arg == "-" {
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// Do nothing. A dash alone is not really a flag.
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continue
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} else if strings.HasPrefix(arg, "-") && firstFlagIndex == -1 {
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firstFlagIndex = index
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}
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}
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if firstFlagIndex > -1 {
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args := ctx.Args()
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regularArgs := make([]string, len(args[1:firstFlagIndex]))
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copy(regularArgs, args[1:firstFlagIndex])
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var flagArgs []string
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if terminatorIndex > -1 {
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flagArgs = args[firstFlagIndex:terminatorIndex]
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regularArgs = append(regularArgs, args[terminatorIndex:]...)
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} else {
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flagArgs = args[firstFlagIndex:]
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}
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err = set.Parse(append(flagArgs, regularArgs...))
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} else {
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err = set.Parse(ctx.Args().Tail())
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}
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} else {
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err = set.Parse(ctx.Args().Tail())
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}
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if err != nil {
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if c.OnUsageError != nil {
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err := c.OnUsageError(ctx, err, false)
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HandleExitCoder(err)
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return err
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}
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fmt.Fprintln(ctx.App.Writer, "Incorrect Usage:", err.Error())
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fmt.Fprintln(ctx.App.Writer)
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ShowCommandHelp(ctx, c.Name)
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return err
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}
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nerr := normalizeFlags(c.Flags, set)
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if nerr != nil {
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fmt.Fprintln(ctx.App.Writer, nerr)
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fmt.Fprintln(ctx.App.Writer)
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ShowCommandHelp(ctx, c.Name)
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return nerr
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}
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context := NewContext(ctx.App, set, ctx)
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if checkCommandCompletions(context, c.Name) {
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return nil
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}
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if checkCommandHelp(context, c.Name) {
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return nil
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}
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if c.After != nil {
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defer func() {
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afterErr := c.After(context)
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if afterErr != nil {
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HandleExitCoder(err)
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if err != nil {
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err = NewMultiError(err, afterErr)
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} else {
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err = afterErr
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}
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}
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}()
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}
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if c.Before != nil {
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err = c.Before(context)
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if err != nil {
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fmt.Fprintln(ctx.App.Writer, err)
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fmt.Fprintln(ctx.App.Writer)
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ShowCommandHelp(ctx, c.Name)
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HandleExitCoder(err)
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return err
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}
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}
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context.Command = c
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err = HandleAction(c.Action, context)
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if err != nil {
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HandleExitCoder(err)
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}
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return err
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}
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// Names returns the names including short names and aliases.
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func (c Command) Names() []string {
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names := []string{c.Name}
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if c.ShortName != "" {
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names = append(names, c.ShortName)
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}
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return append(names, c.Aliases...)
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}
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// HasName returns true if Command.Name or Command.ShortName matches given name
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func (c Command) HasName(name string) bool {
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for _, n := range c.Names() {
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if n == name {
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return true
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}
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}
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return false
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}
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func (c Command) startApp(ctx *Context) error {
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app := NewApp()
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app.Metadata = ctx.App.Metadata
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// set the name and usage
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app.Name = fmt.Sprintf("%s %s", ctx.App.Name, c.Name)
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if c.HelpName == "" {
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app.HelpName = c.HelpName
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} else {
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app.HelpName = app.Name
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}
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if c.Description != "" {
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app.Usage = c.Description
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} else {
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app.Usage = c.Usage
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}
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// set CommandNotFound
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app.CommandNotFound = ctx.App.CommandNotFound
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// set the flags and commands
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app.Commands = c.Subcommands
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app.Flags = c.Flags
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app.HideHelp = c.HideHelp
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app.Version = ctx.App.Version
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app.HideVersion = ctx.App.HideVersion
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app.Compiled = ctx.App.Compiled
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app.Author = ctx.App.Author
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app.Email = ctx.App.Email
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app.Writer = ctx.App.Writer
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app.categories = CommandCategories{}
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for _, command := range c.Subcommands {
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app.categories = app.categories.AddCommand(command.Category, command)
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}
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sort.Sort(app.categories)
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// bash completion
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app.EnableBashCompletion = ctx.App.EnableBashCompletion
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if c.BashComplete != nil {
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app.BashComplete = c.BashComplete
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}
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// set the actions
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app.Before = c.Before
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app.After = c.After
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if c.Action != nil {
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app.Action = c.Action
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} else {
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app.Action = helpSubcommand.Action
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}
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for index, cc := range app.Commands {
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app.Commands[index].commandNamePath = []string{c.Name, cc.Name}
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}
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return app.RunAsSubcommand(ctx)
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}
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// VisibleFlags returns a slice of the Flags with Hidden=false
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func (c Command) VisibleFlags() []Flag {
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return visibleFlags(c.Flags)
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}
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