chore: small snapshot commands & docs improvement (backport cosmos#16404

) (cosmos#16409)

Co-authored-by: Julien Robert <julien@rbrt.fr>

client/snapshot/cmd.go

@@ -10,7 +10,6 @@ func Cmd(appCreator servertypes.AppCreator) *cobra.Command {
 	cmd := &cobra.Command{
 		Use:   "snapshots",
 		Short: "Manage local snapshots",
-		Long:  "Manage local snapshots",
 	}
 	cmd.AddCommand(
 		ListSnapshotsCmd,

client/snapshot/export.go

@@ -1,8 +1,6 @@
 package snapshot
 
 import (
-	"fmt"
-
 	"github.com/cosmos/cosmos-sdk/server"
 	servertypes "github.com/cosmos/cosmos-sdk/server/types"
 	"github.com/spf13/cobra"
@@ -34,15 +32,15 @@ func ExportSnapshotCmd(appCreator servertypes.AppCreator) *cobra.Command {
 				height = app.CommitMultiStore().LastCommitID().Version
 			}
 
-			fmt.Printf("Exporting snapshot for height %d\n", height)
+			cmd.Printf("Exporting snapshot for height %d\n", height)
 
 			sm := app.SnapshotManager()
 			snapshot, err := sm.Create(uint64(height))
 			if err != nil {
 				return err
 			}
 
-			fmt.Printf("Snapshot created at height %d, format %d, chunks %d\n", snapshot.Height, snapshot.Format, snapshot.Chunks)
+			cmd.Printf("Snapshot created at height %d, format %d, chunks %d\n", snapshot.Height, snapshot.Format, snapshot.Chunks)
 			return nil
 		},
 	}

client/snapshot/list.go

@@ -22,7 +22,7 @@ var ListSnapshotsCmd = &cobra.Command{
 			return fmt.Errorf("failed to list snapshots: %w", err)
 		}
 		for _, snapshot := range snapshots {
-			fmt.Println("height:", snapshot.Height, "format:", snapshot.Format, "chunks:", snapshot.Chunks)
+			cmd.Println("height:", snapshot.Height, "format:", snapshot.Format, "chunks:", snapshot.Chunks)
 		}
 
 		return nil

client/snapshot/load.go

@@ -22,7 +22,7 @@ const SnapshotFileName = "_snapshot"
 func LoadArchiveCmd() *cobra.Command {
 	return &cobra.Command{
 		Use:   "load <archive-file>",
-		Short: "Load a snapshot archive file into snapshot store",
+		Short: "Load a snapshot archive file (.tar.gz) into snapshot store",
 		Args:  cobra.ExactArgs(1),
 		RunE: func(cmd *cobra.Command, args []string) error {
 			ctx := server.GetServerContextFromCmd(cmd)
@@ -70,7 +70,7 @@ func LoadArchiveCmd() *cobra.Command {
 
 				savedSnapshot, err := snapshotStore.Save(snapshot.Height, snapshot.Format, chunks)
 				if err != nil {
-					fmt.Println("failed to save snapshot", err)
+					cmd.Println("failed to save snapshot", err)
 					return
 				}
 				quitChan <- savedSnapshot

server/util.go

@@ -309,12 +309,12 @@ func interceptConfigs(rootViper *viper.Viper, customAppTemplate string, customCo
 	return conf, nil
 }
 
-// AddCommands add server commands
-func AddCommands[T types.Application](rootCmd *cobra.Command, appCreator types.AppCreator[T], opts StartCmdOptions[T]) {
-	cometCmd := &cobra.Command{
-		Use:     "comet",
-		Aliases: []string{"cometbft", "tendermint"},
-		Short:   "CometBFT subcommands",
+// add server commands
+func AddCommands(rootCmd *cobra.Command, defaultNodeHome string, appCreator types.AppCreator, appExport types.AppExporter, addStartFlags types.ModuleInitFlags) {
+	tendermintCmd := &cobra.Command{
+		Use:     "tendermint",
+		Aliases: []string{"comet", "cometbft"},
+		Short:   "Tendermint subcommands",
 	}
 
 	cometCmd.AddCommand(