64 lines
1.2 KiB
Go
64 lines
1.2 KiB
Go
package cmd
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import (
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"fmt"
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"go.fifitido.net/cmd/opts"
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)
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func (c *Command) ShowHelp() {
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cmdPath := c.CommandPath()
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fmt.Println(c.longDescription)
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fmt.Println()
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fmt.Println("Usage: ")
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fmt.Printf(" %s ", cmdPath)
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if len(c.subcommands) > 0 {
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if c.CanRun() {
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fmt.Print("[command] ")
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} else {
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fmt.Print("<command> ")
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}
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}
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fmt.Println("[options]")
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if len(c.subcommands) > 0 {
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fmt.Println()
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if c.isRoot {
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fmt.Println("Available commands:")
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} else {
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fmt.Println("Available subcommands:")
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}
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for _, s := range c.subcommands {
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fmt.Println(" " + s.name + " " + s.shortDescription)
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}
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}
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fmt.Println()
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fmt.Println("Available options:")
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paddedWidth := c.opts.MaxWidth()
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for _, f := range c.opts {
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fmt.Println(" " + opts.HelpLine(f, paddedWidth))
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}
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globalOpts := opts.Globals()
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if len(globalOpts) > 0 {
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paddedWidth = globalOpts.MaxWidth()
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fmt.Println()
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fmt.Println("Global options:")
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for _, f := range globalOpts {
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fmt.Println(" " + opts.HelpLine(f, paddedWidth))
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}
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}
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if len(c.subcommands) > 0 {
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fmt.Println()
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fmt.Printf("Run '%s <command> --help' for more information about a command.\n", c.Root().CommandPath())
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}
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}
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