def downgrade(self, pkg: FlatpakApplication, root_password: str,
watcher: ProcessWatcher) -> bool:
if not self._make_exports_dir(watcher):
return False
watcher.change_progress(10)
watcher.change_substatus(self.i18n['flatpak.downgrade.commits'])
history = self.get_history(pkg, full_commit_str=True)
# downgrade is not possible if the app current commit in the first one:
if history.pkg_status_idx == len(history.history) - 1:
watcher.show_message(
self.i18n['flatpak.downgrade.impossible.title'],
self.i18n['flatpak.downgrade.impossible.body'].format(
bold(pkg.name)), MessageType.ERROR)
return False
commit = history.history[history.pkg_status_idx + 1]['commit']
watcher.change_substatus(self.i18n['flatpak.downgrade.reverting'])
watcher.change_progress(50)
success, _ = ProcessHandler(watcher).handle_simple(
flatpak.downgrade(pkg.ref, commit, pkg.installation,
root_password))
watcher.change_progress(100)
return success
def downgrade(self, pkg: FlatpakApplication, root_password: str,
watcher: ProcessWatcher) -> bool:
handler = ProcessHandler(watcher)
pkg.commit = flatpak.get_commit(pkg.id, pkg.branch, pkg.installation)
watcher.change_progress(10)
watcher.change_substatus(self.i18n['flatpak.downgrade.commits'])
commits = flatpak.get_app_commits(pkg.ref, pkg.origin,
pkg.installation, handler)
if commits is None:
return False
commit_idx = commits.index(pkg.commit)
# downgrade is not possible if the app current commit in the first one:
if commit_idx == len(commits) - 1:
watcher.show_message(
self.i18n['flatpak.downgrade.impossible.title'],
self.i18n['flatpak.downgrade.impossible.body'],
MessageType.WARNING)
return False
commit = commits[commit_idx + 1]
watcher.change_substatus(self.i18n['flatpak.downgrade.reverting'])
watcher.change_progress(50)
success = handler.handle(
SystemProcess(
subproc=flatpak.downgrade(pkg.ref, commit, pkg.installation,
root_password),
success_phrases=['Changes complete.', 'Updates complete.'],
wrong_error_phrase='Warning'))
watcher.change_progress(100)
return success
def uninstall(self, pkg: ArchPackage, root_password: str,
watcher: ProcessWatcher) -> bool:
handler = ProcessHandler(watcher)
watcher.change_progress(10)
info = pacman.get_info_dict(pkg.name)
watcher.change_progress(50)
if info.get('required by'):
pkname = bold(pkg.name)
msg = '{}:<br/><br/>{}<br/><br/>{}'.format(
self.i18n['arch.uninstall.required_by'].format(pkname),
bold(info['required by']),
self.i18n['arch.uninstall.required_by.advice'].format(pkname))
watcher.show_message(title=self.i18n['error'],
body=msg,
type_=MessageType.WARNING)
return False
uninstalled = self._uninstall(pkg.name, root_password, handler)
watcher.change_progress(100)
return uninstalled
def _update_progress(self, watcher: ProcessWatcher, val: int,
change_progress: bool):
if change_progress:
watcher.change_progress(val)
def downgrade(self, pkg: ArchPackage, root_password: str,
watcher: ProcessWatcher) -> bool:
handler = ProcessHandler(watcher)
app_build_dir = '{}/build_{}'.format(BUILD_DIR, int(time.time()))
watcher.change_progress(5)
try:
if not os.path.exists(app_build_dir):
build_dir = handler.handle(
SystemProcess(
new_subprocess(['mkdir', '-p', app_build_dir])))
if build_dir:
watcher.change_progress(10)
watcher.change_substatus(self.i18n['arch.clone'].format(
bold(pkg.name)))
clone = handler.handle(
SystemProcess(subproc=new_subprocess(
['git', 'clone',
URL_GIT.format(pkg.name)],
cwd=app_build_dir),
check_error_output=False))
watcher.change_progress(30)
if clone:
watcher.change_substatus(
self.i18n['arch.downgrade.reading_commits'])
clone_path = '{}/{}'.format(app_build_dir, pkg.name)
pkgbuild_path = '{}/PKGBUILD'.format(clone_path)
commits = run_cmd("git log", cwd=clone_path)
watcher.change_progress(40)
if commits:
commit_list = re.findall(r'commit (.+)\n', commits)
if commit_list:
if len(commit_list) > 1:
for idx in range(1, len(commit_list)):
commit = commit_list[idx]
with open(pkgbuild_path) as f:
pkgdict = aur.map_pkgbuild(
f.read())
if not handler.handle(
SystemProcess(
subproc=new_subprocess(
[
'git', 'reset',
'--hard', commit
],
cwd=clone_path),
check_error_output=False)):
watcher.print(
'Could not downgrade anymore. Aborting...'
)
return False
if '{}-{}'.format(
pkgdict.get('pkgver'),
pkgdict.get(
'pkgrel')) == pkg.version:
# current version found
watcher.change_substatus(self.i18n[
'arch.downgrade.version_found']
)
break
watcher.change_substatus(
self.
i18n['arch.downgrade.install_older'])
return self._make_pkg(pkg.name,
pkg.maintainer,
root_password,
handler,
app_build_dir,
clone_path,
dependency=False,
skip_optdeps=True)
else:
watcher.show_message(
title=self.
i18n['arch.downgrade.error'],
body=self.
i18n['arch.downgrade.impossible'].
format(pkg.name),
type_=MessageType.ERROR)
return False
watcher.show_message(
title=self.i18n['error'],
body=self.i18n['arch.downgrade.no_commits'],
type_=MessageType.ERROR)
return False
finally:
if os.path.exists(app_build_dir):
handler.handle(
SystemProcess(
subproc=new_subprocess(['rm', '-rf', app_build_dir])))
return False
