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package commands
import (
"sort"
"github.com/spf13/cobra"
)
type commandOptions struct {
desc bool
}
func newCommandsCommand() *cobra.Command {
env := newEnv()
options := commandOptions{}
cmd := &cobra.Command{
Use: "commands",
Short: "Display available commands.",
RunE: func(cmd *cobra.Command, args []string) error {
return runCommands(env, options)
},
}
flags := cmd.Flags()
flags.SortFlags = false
flags.BoolVarP(&options.desc, "pretty", "p", false,
"Output the command description as well as Markdown compatible comment",
)
return cmd
}
func runCommands(env *Env, opts commandOptions) error {
first := true
var allCmds []*cobra.Command
queue := []*cobra.Command{NewRootCommand()}
for len(queue) > 0 {
cmd := queue[0]
queue = queue[1:]
allCmds = append(allCmds, cmd)
queue = append(queue, cmd.Commands()...)
}
sort.Sort(commandSorterByName(allCmds))
for _, cmd := range allCmds {
if !first {
env.out.Println()
}
first = false
if opts.desc {
env.out.Printf("# %s\n", cmd.Short)
}
env.out.Print(cmd.UseLine())
if opts.desc {
env.out.Println()
}
}
if !opts.desc {
env.out.Println()
}
return nil
}
type commandSorterByName []*cobra.Command
func (c commandSorterByName) Len() int { return len(c) }
func (c commandSorterByName) Swap(i, j int) { c[i], c[j] = c[j], c[i] }
func (c commandSorterByName) Less(i, j int) bool { return c[i].CommandPath() < c[j].CommandPath() }
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