[ui] fix: upgrading: only requesting the root password if required | [flatpak] fix -> crashing when trying to downgrade

bauh/gems/appimage/controller.py

@@ -17,7 +17,7 @@ from pkg_resources import parse_version
 
 from bauh.api.abstract.context import ApplicationContext
 from bauh.api.abstract.controller import SoftwareManager, SearchResult, UpgradeRequirements, UpgradeRequirement, \
-    TransactionResult
+    TransactionResult, SoftwareAction
 from bauh.api.abstract.disk import DiskCacheLoader
 from bauh.api.abstract.handler import ProcessWatcher, TaskManager
 from bauh.api.abstract.model import SoftwarePackage, PackageHistory, PackageUpdate, PackageSuggestion, \
@@ -416,7 +416,8 @@ class AppImageManager(SoftwareManager):
                 app_tuple = cursor.fetchone()
 
                 if not app_tuple:
-                    raise Exception("Could not retrieve {} from the database {}".format(pkg, DB_APPS_PATH))
+                    self.logger.warning("Could not retrieve {} from the database {}".format(pkg, DB_APPS_PATH))
+                    return res
             finally:
                 self._close_connection(DB_APPS_PATH, connection)
 
@@ -582,7 +583,7 @@ class AppImageManager(SoftwareManager):
     def can_work(self) -> bool:
         return self._is_sqlite3_available() and self.file_downloader.can_work()
 
-    def requires_root(self, action: str, pkg: AppImage):
+    def requires_root(self, action: SoftwareAction, pkg: AppImage) -> bool:
         return False
 
     def prepare(self, task_manager: TaskManager, root_password: str, internet_available: bool):

bauh/gems/appimage/resources/locale/en

@@ -14,7 +14,7 @@ appimage.downgrade.first_version={} is in its first published version
 appimage.downgrade.impossible.body={} has only one published version.
 appimage.downgrade.impossible.title=Impossible to downgrade
 appimage.downgrade.install_version=It was not possible to install the version {} ({})
-appimage.downgrade.unknown_version.body=It was not possible to identify {} current version in its versions history
+appimage.downgrade.unknown_version.body={} current version was not found in its release history
 appimage.error.uninstall_current_version=It was not possible to uninstall the current version of {}
 appimage.history.0_version=version
 appimage.history.1_published_at=date