Add suggestions to restore and backup for conflict

Issue: PGO-646

Author: Anthony Landreth

internal/cmd/backup.go

@@ -16,6 +16,7 @@ package cmd
 
 import (
 	"context"
+	"strings"
 	"time"
 
 	"github.com/spf13/cobra"
@@ -128,6 +129,9 @@ postgresclusters/hippo backup initiated`)
 		)
 
 		if err != nil {
+			if strings.Contains(err.Error(), "conflict") {
+				cmd.Printf("SUGGESTION: The --force-conflicts flag may help in performing this operation.")
+			}
 			cmd.Printf("\nError requesting update: %s\n", err)
 			return err
 		}

internal/cmd/restore.go

@@ -33,7 +33,10 @@ func newRestoreCommand(config *internal.Config) *cobra.Command {
 	cmd := &cobra.Command{
 		Use:   "restore CLUSTER_NAME",
 		Short: "Restore cluster",
-		Long: `Restore the data of a PostgreSQL cluster from a backup
+		Long: `Restore the data of a PostgreSQL cluster from a backup either by
+using the current "spec.backups.pgbackrest.restore" settings on the PostgreSQL
+cluster or by using flags to write your settings. Overwriting those settings
+may require the --force-conflicts flags.
 
 ### RBAC Requirements
     Resources                                           Verbs
@@ -190,6 +193,9 @@ func (config pgBackRestRestore) Run(ctx context.Context) error {
 		config.PostgresCluster, types.ApplyPatchType, patch,
 		config.Patch.PatchOptions(patchOptions))
 	if err != nil {
+		if strings.Contains(err.Error(), "conflict") {
+			fmt.Fprintf(config.Out, "SUGGESTION: The --force-conflicts flag may help in performing this operation.\n")
+		}
 		return err
 	}