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|
package commands
import (
"fmt"
"sort"
"github.com/spf13/cobra"
)
var (
commandsDesc bool
)
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() }
func runCommands(cmd *cobra.Command, args []string) error {
first := true
var allCmds []*cobra.Command
queue := []*cobra.Command{RootCmd}
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 {
fmt.Println()
}
first = false
if commandsDesc {
fmt.Printf("# %s\n", cmd.Short)
}
fmt.Print(cmd.UseLine())
if commandsDesc {
fmt.Println()
}
}
if !commandsDesc {
fmt.Println()
}
return nil
}
var commandsCmd = &cobra.Command{
Use: "commands [<option>...]",
Short: "Display available commands.",
RunE: runCommands,
}
func init() {
RootCmd.AddCommand(commandsCmd)
commandsCmd.Flags().SortFlags = false
commandsCmd.Flags().BoolVarP(&commandsDesc, "pretty", "p", false,
"Output the command description as well as Markdown compatible comment",
)
}
|
