| # Copyright 2018 Gentoo Foundation |
| # Distributed under the terms of the GNU General Public License v2 |
| |
| from portage.repository.storage.interface import ( |
| RepoStorageException, |
| RepoStorageInterface, |
| ) |
| from portage.util.futures.compat_coroutine import coroutine, coroutine_return |
| |
| |
| class InplaceRepoStorage(RepoStorageInterface): |
| """ |
| Legacy repo storage behavior, where updates are applied in-place. |
| This module is not recommended, since the repository is left in an |
| unspecified (possibly malicious) state if the update fails. |
| """ |
| def __init__(self, repo, spawn_kwargs): |
| self._user_location = repo.location |
| self._update_location = None |
| |
| @coroutine |
| def init_update(self): |
| self._update_location = self._user_location |
| coroutine_return(self._update_location) |
| yield None |
| |
| @property |
| def current_update(self): |
| if self._update_location is None: |
| raise RepoStorageException('current update does not exist') |
| return self._update_location |
| |
| @coroutine |
| def commit_update(self): |
| self.current_update |
| self._update_location = None |
| coroutine_return() |
| yield None |
| |
| @coroutine |
| def abort_update(self): |
| self._update_location = None |
| coroutine_return() |
| yield None |
| |
| @coroutine |
| def garbage_collection(self): |
| coroutine_return() |
| yield None |
