From 01024076068834908da9f3575537a8fa437ffba9 Mon Sep 17 00:00:00 2001
From: Stefan Orosz <orosz@egroup.sk>
Date: Sun, 11 Sep 2022 15:31:16 +0200
Subject: [PATCH] [NEW] selfupdate

---
 cmd/list.go       | 21 +++++++-----
 cmd/root.go       |  3 +-
 cmd/selfupdate.go | 86 +++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 100 insertions(+), 10 deletions(-)
 create mode 100644 cmd/selfupdate.go

diff --git a/cmd/list.go b/cmd/list.go
index 836d63e..c124714 100644
--- a/cmd/list.go
+++ b/cmd/list.go
@@ -15,14 +15,10 @@ import (
 
 // listCmd represents the list command
 var listCmd = &cobra.Command{
-	Use:   "list",
-	Short: "A brief description of your command",
-	Long: `A longer description that spans multiple lines and likely contains examples
-and usage of using your command. For example:
-
-Cobra is a CLI library for Go that empowers applications.
-This application is a tool to generate the needed files
-to quickly create a Cobra application.`,
+	Use:   "list <bucket>",
+	Short: "List bucket contents",
+	Long:  `This command lists the content of specified bucket`,
+	Args:  cobra.ExactArgs(1),
 	RunE: func(cmd *cobra.Command, args []string) error {
 		isps3 := util.S3{
 			Endpoint:        "isp-dev.paasdev.sk:9000",
@@ -36,7 +32,14 @@ to quickly create a Cobra application.`,
 		}
 
 		ctx := context.Background()
-		objectCh := isps3.Client.ListObjects(ctx, "test", minio.ListObjectsOptions{
+		found, err := isps3.Client.BucketExists(ctx, args[0])
+		if err != nil {
+			return err
+		}
+		if !found {
+			return fmt.Errorf("bucket %q does not exist", args[0])
+		}
+		objectCh := isps3.Client.ListObjects(ctx, args[0], minio.ListObjectsOptions{
 			Prefix:    "",
 			Recursive: true,
 		})
diff --git a/cmd/root.go b/cmd/root.go
index 76da54d..b9130c1 100644
--- a/cmd/root.go
+++ b/cmd/root.go
@@ -22,7 +22,8 @@ to quickly create a Cobra application.`,
 	// Uncomment the following line if your bare application
 	// has an action associated with it:
 	// Run: func(cmd *cobra.Command, args []string) { },
-	Version: "0.0.1",
+	Version:      "0.0.5",
+	SilenceUsage: true,
 }
 
 // Execute adds all child commands to the root command and sets flags appropriately.
diff --git a/cmd/selfupdate.go b/cmd/selfupdate.go
new file mode 100644
index 0000000..30105d2
--- /dev/null
+++ b/cmd/selfupdate.go
@@ -0,0 +1,86 @@
+/*
+Copyright © 2022 NAME HERE <EMAIL ADDRESS>
+*/
+package cmd
+
+import (
+	"context"
+	"dummy/util"
+	"fmt"
+	"runtime"
+
+	"github.com/minio/minio-go/v7"
+	"github.com/minio/selfupdate"
+	"github.com/spf13/cobra"
+)
+
+var (
+	Ver  string
+	List bool
+)
+
+// selfupdateCmd represents the selfupdate command
+var selfupdateCmd = &cobra.Command{
+	Use:   "selfupdate",
+	Short: "Updates to latest or specific version",
+	Long: `Updates to latest or specific version of dummy.
+
+To update to latest version use:
+	dummy selfupdate
+	
+To update to version 0.0.3 use:
+	dummy selfupdate --version=0.0.3`,
+	RunE: func(cmd *cobra.Command, args []string) error {
+
+		// Initialize minio client
+		isps3 := util.S3{
+			Endpoint:        "isp-dev.paasdev.sk:9000",
+			AccessKeyID:     "LHHV6WR7EEMRS1RLX6BW",
+			SecretAccessKey: "m8PvnzpRB4ORYwcJtzeJpboFUIBAfbZ3wwh3Bkcp",
+			UseSSL:          true,
+		}
+		err := isps3.Init()
+		if err != nil {
+			return err
+		}
+
+		if List {
+			updateCol := isps3.Client.ListObjects(context.Background(), "dummy", minio.ListObjectsOptions{
+				Prefix: fmt.Sprintf("%s/dummy", runtime.GOOS),
+			})
+
+			fmt.Println("Available updates:")
+			for object := range updateCol {
+				if object.Err != nil {
+					return err
+				}
+				fmt.Println(object.Key)
+			}
+			return nil
+		}
+
+		path := fmt.Sprintf("%s/dummy-%s", runtime.GOOS, Ver)
+		fmt.Println("Updating dummy to: ", path)
+		// Read the update
+		update, err := isps3.Client.GetObject(context.Background(), "dummy", path, minio.GetObjectOptions{})
+		if err != nil {
+			return err
+		}
+		// Do update
+		err = selfupdate.Apply(update, selfupdate.Options{})
+		if err != nil {
+			return err
+		}
+		fmt.Println("Update finished")
+		return nil
+	},
+}
+
+func init() {
+	rootCmd.AddCommand(selfupdateCmd)
+
+	selfupdateCmd.Flags().StringVar(&Ver, "version", "latest", "Version to install (optional)")
+	selfupdateCmd.Flags().BoolVar(&List, "list", false, "List available versions (optional)")
+
+	selfupdateCmd.MarkFlagsMutuallyExclusive("version", "list")
+}