1package commands
 2
 3import (
 4	"github.com/spf13/cobra"
 5)
 6
 7func newLsLabelCommand() *cobra.Command {
 8	env := newEnv()
 9
10	cmd := &cobra.Command{
11		Use:   "ls-label",
12		Short: "List valid labels.",
13		Long: `List valid labels.
14
15Note: in the future, a proper label policy could be implemented where valid labels are defined in a configuration file. Until that, the default behavior is to return the list of labels already used.`,
16		PreRunE: loadBackend(env),
17		RunE: closeBackend(env, func(cmd *cobra.Command, args []string) error {
18			return runLsLabel(env)
19		}),
20	}
21
22	return cmd
23}
24
25func runLsLabel(env *Env) error {
26	labels := env.backend.ValidLabels()
27
28	for _, l := range labels {
29		env.out.Println(l)
30	}
31
32	return nil
33}