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Issue #267: Ensure hidden flags/subcommands do not change help 

If a command has one flag which is hidden, it should not, for
instance, show the `Flags: ` heading.  Likewise there are other
items in the help template which should respect hidden/deprecated
state.
This commit is contained in:
John Schnake 2016-04-13 13:27:05 -05:00 committed by Steve Francia
parent 9a8186dbb5
commit e14e47b7a9
1 changed files with 28 additions and 4 deletions
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32
command.go
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@ -261,7 +261,7 @@ func (c *Command) UsageTemplate() string {
return c.parent.UsageTemplate()
}
return `Usage:{{if .Runnable}}
{{if .HasFlags}}{{appendIfNotPresent .UseLine "[flags]"}}{{else}}{{.UseLine}}{{end}}{{end}}{{if .HasSubCommands}}
{{if .HasAvailableFlags}}{{appendIfNotPresent .UseLine "[flags]"}}{{else}}{{.UseLine}}{{end}}{{end}}{{if .HasAvailableSubCommands}}
{{ .CommandPath}} [command]{{end}}{{if gt .Aliases 0}}
Aliases:
@ -272,16 +272,16 @@ Examples:
{{ .Example }}{{end}}{{ if .HasAvailableSubCommands}}
Available Commands:{{range .Commands}}{{if .IsAvailableCommand}}
{{rpad .Name .NamePadding }} {{.Short}}{{end}}{{end}}{{end}}{{ if .HasLocalFlags}}
{{rpad .Name .NamePadding }} {{.Short}}{{end}}{{end}}{{end}}{{ if .HasAvailableLocalFlags}}
Flags:
{{.LocalFlags.FlagUsages | trimRightSpace}}{{end}}{{ if .HasInheritedFlags}}
{{.LocalFlags.FlagUsages | trimRightSpace}}{{end}}{{ if .HasAvailableInheritedFlags}}
Global Flags:
{{.InheritedFlags.FlagUsages | trimRightSpace}}{{end}}{{if .HasHelpSubCommands}}
Additional help topics:{{range .Commands}}{{if .IsHelpCommand}}
{{rpad .CommandPath .CommandPathPadding}} {{.Short}}{{end}}{{end}}{{end}}{{ if .HasSubCommands }}
{{rpad .CommandPath .CommandPathPadding}} {{.Short}}{{end}}{{end}}{{end}}{{ if .HasAvailableSubCommands }}
Use "{{.CommandPath}} [command] --help" for more information about a command.{{end}}
`
@ -1114,10 +1114,34 @@ func (c *Command) HasLocalFlags() bool {
return c.LocalFlags().HasFlags()
}
// Does the command have flags inherited from its parent command
func (c *Command) HasInheritedFlags() bool {
return c.InheritedFlags().HasFlags()
}
// Does the command contain any flags (local plus persistent from the entire
// structure) which are not hidden or deprecated
func (c *Command) HasAvailableFlags() bool {
return c.Flags().HasAvailableFlags()
}
// Does the command contain persistent flags which are not hidden or deprecated
func (c *Command) HasAvailablePersistentFlags() bool {
return c.PersistentFlags().HasAvailableFlags()
}
// Does the command has flags specifically declared locally which are not hidden
// or deprecated
func (c *Command) HasAvailableLocalFlags() bool {
return c.LocalFlags().HasAvailableFlags()
}
// Does the command have flags inherited from its parent command which are
// not hidden or deprecated
func (c *Command) HasAvailableInheritedFlags() bool {
return c.InheritedFlags().HasAvailableFlags()
}
// Flag climbs up the command tree looking for matching flag
func (c *Command) Flag(name string) (flag *flag.Flag) {
flag = c.Flags().Lookup(name)