Make sure we validate specified hash in app.yaml matches with dir's a…

…ctual hash

apps_validation/validation/validate_app_version.py

@@ -8,6 +8,7 @@
 
 from apps_validation.exceptions import ValidationErrors
 from catalog_reader.app_utils import get_app_basic_details
+from catalog_reader.hash_utils import get_hash_of_directory
 from catalog_reader.names import get_base_library_dir_name_from_version
 from catalog_reader.questions_util import CUSTOM_PORTALS_KEY
 
@@ -67,6 +68,8 @@ def validate_catalog_item_version(
             )
         elif not base_lib_dir.is_dir():
             verrors.add(f'{schema}.lib_version', f'{base_lib_dir!r} is not a directory')
+        elif get_hash_of_directory(str(base_lib_dir)) != app_basic_details['lib_version_hash']:
+            verrors.add(f'{schema}.lib_version', 'Library version hash does not match with the actual library version')
 
     questions_path = os.path.join(version_path, 'questions.yaml')
     if os.path.exists(questions_path):

catalog_reader/app_utils.py

@@ -47,7 +47,7 @@ def get_app_basic_details(app_path: str) -> dict:
     with contextlib.suppress(FileNotFoundError, yaml.YAMLError, KeyError):
         with open(os.path.join(app_path, 'app.yaml'), 'r') as f:
             app_config = yaml.safe_load(f.read())
-        return {'lib_version': app_config.get('lib_version')} | {
+        return {k: app_config.get(k) for k in ('lib_version', 'lib_version_hash')} | {
             k: app_config[k] for k in ('name', 'train', 'version')
         }