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appimage downgrading

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This commit is contained in:
Vinicius Moreira
2019-10-08 18:36:47 -03:00
parent d44258bcab
commit a3bccb86f4
7 changed files with 62 additions and 15 deletions
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36
bauh/gems/appimage/controller.py
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@@ -85,7 +85,41 @@ class AppImageManager(SoftwareManager):
return res
def downgrade(self, pkg: AppImage, root_password: str, watcher: ProcessWatcher) -> bool:
pass
versions = self.get_history(pkg)
if len(versions.history) == 1:
watcher.show_message(title=self.i18n['appimage.downgrade.impossible.title'],
body=self.i18n['appimage.downgrade.impossible.body'].format(bold(pkg.name)),
type_=MessageType.ERROR)
return False
elif versions.pkg_status_idx == -1:
watcher.show_message(title=self.i18n['appimage.downgrade.impossible.title'],
body=self.i18n['appimage.downgrade.unknown_version.body'].format(bold(pkg.name)),
type_=MessageType.ERROR)
return False
elif versions.pkg_status_idx == len(versions.history) - 1:
watcher.show_message(title=self.i18n['appimage.downgrade.impossible.title'],
body=self.i18n['appimage.downgrade.first_version'].format(bold(pkg.name)),
type_=MessageType.ERROR)
return False
else:
if self.uninstall(pkg, root_password, watcher):
old_release = versions.history[versions.pkg_status_idx + 1]
pkg.version = old_release['0_version']
pkg.url_download = old_release['2_url_download']
if self.install(pkg, root_password, watcher):
self.cache_to_disk(pkg, None, False)
return True
else:
watcher.show_message(title=self.i18n['error'],
body=self.i18n['appimage.downgrade.install_version'].format(bold(pkg.version), bold(pkg.url_download)),
type_=MessageType.ERROR)
else:
watcher.show_message(title=self.i18n['error'],
body=self.i18n['appimage.downgrade.uninstall_current_version'].format(bold(pkg.name)),
type_=MessageType.ERROR)
return False
def update(self, pkg: AppImage, root_password: str, watcher: ProcessWatcher) -> SystemProcess:
pass