feat: move example to its package

example/cli/internal/cmd/root.go

@@ -0,0 +1,34 @@
+package cmd
+
+import (
+	"os"
+
+	"github.com/pterm/pterm"
+	"github.com/snapp-incubator/pakhshi/example/cli/internal/cmd/publish"
+	"github.com/snapp-incubator/pakhshi/example/cli/internal/cmd/subscribe"
+	"github.com/spf13/cobra"
+)
+
+// ExitFailure status code.
+const ExitFailure = 1
+
+// Execute adds all child commands to the root command and sets flags appropriately.
+// This is called by main.main(). It only needs to happen once to the rootCmd.
+func Execute() {
+	// nolint: exhaustivestruct
+	root := &cobra.Command{
+		Use: "pakhshi",
+	}
+
+	brokers := new([]string)
+	root.PersistentFlags().StringSliceVarP(brokers, "brokers", "b",
+		[]string{"tcp://127.0.0.1:1883"}, "brokers e.g. tcp://127.0.0.1:1883")
+
+	subscribe.Register(root, brokers)
+	publish.Register(root, brokers)
+
+	if err := root.Execute(); err != nil {
+		pterm.Error.Printf("failed to execute root command: %s", err.Error())
+		os.Exit(ExitFailure)
+	}
+}