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Merge pull request #77 from eparis/additional-help-topics

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Additional help topics
This commit is contained in:
Eric Paris 2015-04-06 15:04:48 -05:00
commit bbc51773c3
1 changed files with 34 additions and 3 deletions
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37
command.go
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@ -223,7 +223,7 @@ Aliases:
Examples:
{{ .Example }}
{{end}}{{ if .HasSubCommands}}
{{end}}{{ if .HasRunnableSubCommands}}
Available Commands: {{range .Commands}}{{if .Runnable}}
{{rpad .Name .NamePadding }} {{.Short}}{{end}}{{end}}
@ -231,8 +231,8 @@ Available Commands: {{range .Commands}}{{if .Runnable}}
{{ if .HasLocalFlags}}Flags:
{{.LocalFlags.FlagUsages}}{{end}}
{{ if .HasInheritedFlags}}Global Flags:
{{.InheritedFlags.FlagUsages}}{{end}}{{if .HasParent}}{{if and (gt .Commands 0) (gt .Parent.Commands 1) }}
Additional help topics: {{if gt .Commands 0 }}{{range .Commands}}{{if not .Runnable}} {{rpad .CommandPath .CommandPathPadding}} {{.Short}}{{end}}{{end}}{{end}}{{if gt .Parent.Commands 1 }}{{range .Parent.Commands}}{{if .Runnable}}{{if not (eq .Name $cmd.Name) }}{{end}}
{{.InheritedFlags.FlagUsages}}{{end}}{{if or (.HasHelpSubCommands) (.HasRunnableSiblings)}}
Additional help topics: {{if .HasHelpSubCommands}}{{range .Commands}}{{if not .Runnable}} {{rpad .CommandPath .CommandPathPadding}} {{.Short}}{{end}}{{end}}{{end}}{{if .HasRunnableSiblings }}{{range .Parent.Commands}}{{if .Runnable}}{{if not (eq .Name $cmd.Name) }}
{{rpad .CommandPath .CommandPathPadding}} {{.Short}}{{end}}{{end}}{{end}}{{end}}
{{end}}{{ if .HasSubCommands }}
Use "{{.Root.Name}} help [command]" for more information about a command.
@ -744,6 +744,37 @@ func (c *Command) HasSubCommands() bool {
return len(c.commands) > 0
}
func (c *Command) HasRunnableSiblings() bool {
if !c.HasParent() {
return false
}
for _, sub := range c.parent.commands {
if sub.Runnable() {
return true
}
}
return false
}
func (c *Command) HasHelpSubCommands() bool {
for _, sub := range c.commands {
if !sub.Runnable() {
return true
}
}
return false
}
// Determine if the command has runnable children commands
func (c *Command) HasRunnableSubCommands() bool {
for _, sub := range c.commands {
if sub.Runnable() {
return true
}
}
return false
}
// Determine if the command is a child command
func (c *Command) HasParent() bool {
return c.parent != nil