Merge pull request #127 from criteo/fix-unzip-permission

Fix unzip package folder permission

internal/pkg/zip-package.go

@@ -59,9 +59,17 @@ func (pkg *zipPackage) InstallTo(targetDir string) (command.PackageManifest, err
 		extractedFilePath := filepath.Join(targetDir, file.Name)
 		if file.FileInfo().IsDir() {
 			log.Println("Directory Created:", extractedFilePath)
-			err := os.MkdirAll(extractedFilePath, file.Mode())
-			if err != nil {
-				return nil, fmt.Errorf("directory extraction failed: %s", err)
+			if os.Stat(extractedFilePath); os.IsNotExist(err) {
+				// create the folder if it does not exist
+				err := os.MkdirAll(extractedFilePath, 0755)
+				if err != nil {
+					return nil, fmt.Errorf("directory extraction failed: %s", err)
+				}
+			} else {
+				// chmod to 755
+				if err := os.Chmod(extractedFilePath, 0755); err != nil {
+					return nil, fmt.Errorf("failed to chmod %s to 0755: %s", extractedFilePath, err)
+				}
 			}
 		} else {
 			log.Println("File extracted:", file.Name)