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New "example" section of commands

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We have a long and short description.  This adds an "Example" section.
Which can used to create better docs than putting it all in Long.
This commit is contained in:
Eric Paris 2015-02-12 18:12:07 -05:00
parent 07a9dc0024
commit e36f81afb0
1 changed files with 11 additions and 2 deletions
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13
command.go
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@ -40,6 +40,8 @@ type Command struct {
Short string Short string
// The long message shown in the 'help <this-command>' output. // The long message shown in the 'help <this-command>' output.
Long string Long string
// Examples of how to use the command
Example string
// Full set of flags // Full set of flags
flags *flag.FlagSet flags *flag.FlagSet
// Set of flags childrens of this command will inherit // Set of flags childrens of this command will inherit
@ -195,8 +197,11 @@ Usage: {{if .Runnable}}
{{ .CommandPath}} [command]{{end}}{{if gt .Aliases 0}} {{ .CommandPath}} [command]{{end}}{{if gt .Aliases 0}}
Aliases: Aliases:
{{.NameAndAliases}}{{end}} {{.NameAndAliases}}
{{ if .HasSubCommands}} {{end}}{{if .HasExample}}
Examples:
{{ .Example }}
{{end}}{{ if .HasSubCommands}}
Available Commands: {{range .Commands}}{{if .Runnable}} Available Commands: {{range .Commands}}{{if .Runnable}}
{{rpad .Use .UsagePadding }} {{.Short}}{{end}}{{end}} {{rpad .Use .UsagePadding }} {{.Short}}{{end}}{{end}}
{{end}} {{end}}
@ -669,6 +674,10 @@ func (c *Command) NameAndAliases() string {
return strings.Join(append([]string{c.Name()}, c.Aliases...), ", ") return strings.Join(append([]string{c.Name()}, c.Aliases...), ", ")
} }
func (c *Command) HasExample() bool {
return len(c.Example) > 0
}
// Determine if the command is itself runnable // Determine if the command is itself runnable
func (c *Command) Runnable() bool { func (c *Command) Runnable() bool {
return c.Run != nil return c.Run != nil