Merge pull request #269 from HyperloopUPV-H8/backend/updater-path

[Backend] Updaters path draft

Author: JESUSJH18

backend/cmd/main.go

@@ -184,10 +184,32 @@ func main() {
 				} else {
 
 					fmt.Println("Backend folder not detected. Launching existing updater...")
+					osType := detectOS()
+
+					execPath, err := os.Executable()
+					if err != nil {
+						fmt.Fprintf(os.Stderr, "Error getting executable path: %v\n", err)
+						os.Exit(1)
+					}
+					updatersDir := filepath.Join(filepath.Dir(execPath), "updaters")
+
+					var updaterExe string
+					switch osType {
+					case "updaters/updater-windows-64.exe":
+						updaterExe = filepath.Join(updatersDir, "updater-windows-64")
+					case "updaters/updater-linux":
+						updaterExe = filepath.Join(updatersDir, "updater-linux")
+					case "updaters/updater-macos-m1":
+						updaterExe = filepath.Join(updatersDir, "updater-macos-m1")
+					case "updaters/updater-macos-64":
+						updaterExe = filepath.Join(updatersDir, "updater-macos-64")
+					default:
+						fmt.Fprintf(os.Stderr, "Unsupported updater: %s\n", osType)
+						os.Exit(1)
+					}
 
-					updaterExe := filepath.Join(execDir, "updater.exe")
 					cmd := exec.Command(updaterExe)
-					cmd.Dir = filepath.Dir(updaterExe)
+					cmd.Dir = updatersDir
 					cmd.Stdout = os.Stdout
 					cmd.Stderr = os.Stderr
 					if err := cmd.Run(); err != nil {
@@ -715,3 +737,20 @@ func getLatestVersionFromGitHub() (string, error) {
 	version := strings.TrimPrefix(release.TagName, "v")
 	return version, nil
 }
+func detectOS() string {
+	switch runtime.GOOS {
+	case "windows":
+		return "updaters/updater-windows-64.exe"
+	case "darwin":
+		if strings.Contains(runtime.GOARCH, "arm") {
+			return "updaters/updater-macos-m1"
+		}
+		return "updaters/updater-macos-64"
+	case "linux":
+		return "updaters/updater-linux"
+	default:
+		fmt.Fprintf(os.Stderr, "Unsupported operating system: %s\n", runtime.GOOS)
+		os.Exit(1)
+		return ""
+	}
+}

updater/main.go

@@ -194,43 +194,46 @@ func downloadFile(filepath string, url string) error {
 }
 
 func extractBinaryFromZip(zipPath, binaryName string) (string, error) {
-	// Open the ZIP file
 	r, err := zip.OpenReader(zipPath)
 	if err != nil {
 		return "", err
 	}
 	defer r.Close()
 
-	// Iterate through the files in the ZIP
+	var binaryPath string
+	parentDir, _ := filepath.Abs(filepath.Join(".", ".."))
+
 	for _, f := range r.File {
-		if f.Name == binaryName {
-			// Open the file inside the ZIP
+		baseName := filepath.Base(f.Name)
+		if baseName == binaryName || baseName == "VERSION.md" {
 			rc, err := f.Open()
 			if err != nil {
 				return "", err
 			}
 			defer rc.Close()
 
-			// Create the output file
-			outPath := "./" + binaryName
+			outPath := filepath.Join(parentDir, baseName)
 			outFile, err := os.Create(outPath)
 			if err != nil {
 				return "", err
 			}
 			defer outFile.Close()
 
-			// Copy the contents of the file
 			_, err = io.Copy(outFile, rc)
 			if err != nil {
 				return "", err
 			}
 
-			// Return the path to the extracted binary
-			return outPath, nil
+			if baseName == binaryName {
+				binaryPath = outPath
+			}
 		}
 	}
 
-	return "", fmt.Errorf("binary %s not found in ZIP", binaryName)
+	if binaryPath == "" {
+		return "", fmt.Errorf("binary %s not found in ZIP", binaryName)
+	}
+	return binaryPath, nil
 }
 
 func getLatestVersion() (string, error) {