func addSubCommand(app *kingpin.Application, name string, description string) {
c := app.Command(name, description).Action(func(c *kingpin.ParseContext) error {
fmt.Printf("Would have run command %s.\n", name)
return nil
})
c.Flag("nop-flag", "Example of a flag with no options").Bool()
}
func configureNetcatCommand(app *kingpin.Application) {
c := &NetcatCommand{}
nc := app.Command("nc", "Connect to a Host").Action(c.run)
nc.Flag("nop-flag", "Example of a flag with no options").Bool()
// You can provide hint options using a function to generate them
nc.Flag("host", "Provide a hostname to nc").
Required().
HintAction(listHosts).
StringVar(&c.hostName)
// You can provide hint options statically
nc.Flag("port", "Provide a port to connect to").
Required().
HintOptions("80", "443", "8080").
IntVar(&c.port)
// Enum/EnumVar options will be turned into completion options automatically
nc.Flag("format", "Define the output format").
Default("raw").
EnumVar(&c.format, "raw", "json")
// You can combine HintOptions with HintAction too
nc.Flag("host-with-multi", "Define a hostname").
HintAction(listHosts).
HintOptions("myhost.com").
String()
// And combine with themselves
nc.Flag("host-with-multi-options", "Define a hostname").
HintOptions("myhost.com").
HintOptions("myhost2.com").
String()
// If you specify HintOptions/HintActions for Enum/EnumVar, the options
// provided for Enum/EnumVar will be overridden.
nc.Flag("format-with-override-1", "Define a format").
HintAction(listHosts).
Enum("option1", "option2")
nc.Flag("format-with-override-2", "Define a format").
HintOptions("myhost.com", "myhost2.com").
Enum("option1", "option2")
}
func configureCmdList(app *kingpin.Application) {
c := &ListCommand{}
l := app.Command("list", "List all the caches and their status").Action(c.Run)
l.Flag("file", "Cache configuration file").Default(".cache.yml").OverrideDefaultFromEnvar("CACHE_FILE").StringVar(&c.File)
l.Flag("dir", "The directory to cache into").Default("/var/tmp/cache").OverrideDefaultFromEnvar("CACHE_DIR").StringVar(&c.Directory)
}
func configureLsCommand(app *kingpin.Application) {
c := &LsCommand{}
ls := app.Command("ls", "List files.").Action(c.run)
ls.Flag("all", "List all files.").Short('a').BoolVar(&c.All)
}
func configureCmdSnapshot(app *kingpin.Application) {
c := &SnapshotCommand{}
s := app.Command("snapshot", "Take a snapshot of the current directories").Action(c.Run)
s.Flag("file", "Cache configuration file").Default(".cache.yml").OverrideDefaultFromEnvar("CACHE_FILE").StringVar(&c.File)
s.Flag("dir", "The directory to cache into").Default("/var/tmp/cache").OverrideDefaultFromEnvar("CACHE_DIR").StringVar(&c.Directory)
}