feat(cli): remove upgrade command

cli/cmd/upgrade.go

@@ -1,102 +0,0 @@
-package cmd
-
-import (
-	"errors"
-	"fmt"
-	"github.com/ansible-semaphore/semaphore/util"
-	"github.com/google/go-github/github"
-	"github.com/spf13/cobra"
-	"io"
-	"net/http"
-	"os"
-	"path/filepath"
-	"runtime"
-	"strings"
-	"time"
-)
-
-// Adapted from github.com/apex/apex
-
-// doUpgrade checks for an update, and if available downloads the binary and installs it
-func doUpgrade() error {
-	updateAvailable, err := util.CheckUpdate()
-
-	if err != nil || updateAvailable == nil {
-		return err
-	}
-
-	asset := findAsset(updateAvailable)
-	if asset == nil {
-		return errors.New("cannot find binary for your system")
-	}
-
-	// create tmp file
-	tmpPath := filepath.Join(os.TempDir(), "semaphore-upgrade")
-	f, err := os.OpenFile(tmpPath, os.O_CREATE|os.O_TRUNC|os.O_RDWR, 0755) //nolint: gas
-	if err != nil {
-		return err
-	}
-
-	// download binary
-	fmt.Printf("downloading %s\n", *asset.BrowserDownloadURL)
-	res, err := http.Get(*asset.BrowserDownloadURL)
-	if err != nil {
-		return err
-	}
-
-	defer res.Body.Close() //nolint: errcheck
-
-	// copy it down
-	_, err = io.Copy(f, res.Body)
-	if err != nil {
-		return err
-	}
-
-	// replace it
-	cmdPath := util.FindSemaphore()
-	if len(cmdPath) == 0 {
-		return errors.New("cannot find semaphore binary")
-	}
-
-	fmt.Printf("replacing %s\n", cmdPath)
-	err = os.Rename(tmpPath, cmdPath)
-	if err != nil {
-		return err
-	}
-
-	fmt.Println("visit https://github.com/ansible-semaphore/semaphore/releases for the changelog")
-	go func() {
-		time.Sleep(time.Second * 3)
-		os.Exit(0)
-	}()
-
-	return nil
-}
-
-// findAsset returns the binary for this platform.
-func findAsset(release *github.RepositoryRelease) *github.ReleaseAsset {
-	for _, asset := range release.Assets {
-		suffix := fmt.Sprintf("_%s_%s.tar.gz", runtime.GOOS, runtime.GOARCH)
-		if strings.HasPrefix(*asset.Name, "semaphore_") &&
-			strings.HasSuffix(*asset.Name, suffix) {
-			return &asset
-		}
-	}
-
-	return nil
-}
-
-func init() {
-	rootCmd.AddCommand(upgradeCmd)
-}
-
-var upgradeCmd = &cobra.Command{
-	Use:   "upgrade",
-	Short: "Upgrade to latest stable version",
-	Run: func(cmd *cobra.Command, args []string) {
-		err := doUpgrade()
-		if err != nil {
-			panic(err)
-		}
-	},
-}