jpictl: add dump command with toml output

Signed-off-by: Alejandro Mery <amery@jpi.io>

cmd/jpictl/config.go

@@ -0,0 +1,10 @@
+package main
+
+// Config describes the repository
+type Config struct {
+	Base string
+}
+
+var cfg = &Config{
+	Base: "./m",
+}

cmd/jpictl/dump.go

@@ -0,0 +1,40 @@
+package main
+
+import (
+	"bytes"
+	"os"
+
+	"github.com/burntSushi/toml"
+	"github.com/spf13/cobra"
+
+	"git.jpi.io/amery/jpictl/pkg/zones"
+)
+
+// Command
+var dumpCmd = &cobra.Command{
+	Use:   "dump",
+	Short: "generates a toml representation of the config",
+	RunE: func(_ *cobra.Command, _ []string) error {
+		var buf bytes.Buffer
+
+		m, err := zones.New(cfg.Base)
+		if err != nil {
+			return err
+		}
+
+		enc := toml.NewEncoder(&buf)
+		if err = enc.Encode(m); err != nil {
+			return err
+		}
+
+		if _, err = buf.WriteTo(os.Stdout); err != nil {
+			return err
+		}
+
+		return nil
+	},
+}
+
+func init() {
+	rootCmd.AddCommand(dumpCmd)
+}