fix(cosmovisor): fix show-upgrade info command (#22010)

tools/cosmovisor/cmd/cosmovisor/show_upgrade.go

@@ -10,40 +10,33 @@ import (
 )
 
 func NewShowUpgradeInfoCmd() *cobra.Command {
-	showUpgradeInfo := &cobra.Command{
+	return &cobra.Command{
 		Use:          "show-upgrade-info",
-		Short:        "Show upgrade-info.json into stdout.",
+		Short:        "Display current upgrade-info.json from <app> data directory",
 		SilenceUsage: false,
 		Args:         cobra.NoArgs,
-		RunE:         showUpgradeInfoCmd,
-	}
+		RunE: func(cmd *cobra.Command, args []string) error {
+			configPath, err := cmd.Flags().GetString(cosmovisor.FlagCosmovisorConfig)
+			if err != nil {
+				return fmt.Errorf("failed to get config flag: %w", err)
+			}
 
-	return showUpgradeInfo
-}
-
-func showUpgradeInfoCmd(cmd *cobra.Command, args []string) error {
-	configPath, err := cmd.Flags().GetString(cosmovisor.FlagCosmovisorConfig)
-	if err != nil {
-		return fmt.Errorf("failed to get config flag: %w", err)
-	}
-
-	cfg, err := cosmovisor.GetConfigFromFile(configPath)
-	if err != nil {
-		return err
-	}
-
-	data, err := os.ReadFile(cfg.UpgradeInfoFilePath())
-	if err != nil {
-		if os.IsNotExist(err) {
-			return fmt.Errorf("upgrade-info.json not found at %s: %w", args[0], err)
-		}
-		return fmt.Errorf("failed to read upgrade-info.json: %w", err)
-	}
-
-	_, err = fmt.Fprintln(cmd.OutOrStdout(), string(data))
-	if err != nil {
-		return fmt.Errorf("failed to write output: %w", err)
-	}
-
-	return nil
+			cfg, err := cosmovisor.GetConfigFromFile(configPath)
+			if err != nil {
+				return err
+			}
+
+			data, err := os.ReadFile(cfg.UpgradeInfoFilePath())
+			if err != nil {
+				if os.IsNotExist(err) {
+					cmd.Printf("No upgrade info found at %s\n", cfg.UpgradeInfoFilePath())
+					return nil
+				}
+				return fmt.Errorf("failed to read upgrade-info.json: %w", err)
+			}
+
+			cmd.Println(string(data))
+			return nil
+		},
+	}
 }