homebrew 跑了下 upgrade，所有 app 都能正常更新，唯独 lulu 被删了，稳定复现

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这是一个创建于 338 天前的主题，其中的信息可能已经有所发展或是发生改变。

1.现象

用 brew upgrade 更新了一堆软件，唯独 lulu 在最后 Purging files 的时候报了错，然后 lulu 的 app 也从电脑里消失了

2.这是成功的，以 keycastr 为例

==> Upgrading keycastr
==> Downloading https://github.com/keycastr/keycastr/releases/download/v0.9.15/K
==> Downloading from https://objects.githubusercontent.com/github-production-rel
######################################################################### 100.0%
==> Backing App 'KeyCastr.app' up to '/opt/homebrew/Caskroom/keycastr/0.9.13/Key
==> Removing App '/Applications/KeyCastr.app'
==> Moving App 'KeyCastr.app' to '/Applications/KeyCastr.app'
==> Purging files for version 0.9.13 of Cask keycastr
🍺  keycastr was successfully upgraded!

3.这是失败的 lulu ，error 在最后

==> Upgrading lulu
==> Downloading https://github.com/objective-see/LuLu/releases/download/v2.5.1/L
==> Downloading from https://objects.githubusercontent.com/github-production-rel
######################################################################### 100.0%
==> Running uninstall script /Applications/LuLu.app/Contents/Resources/LuLu Unin
Password:
LULU: performing full 'uninstall' logic
LULU: waiting for 'kextcache' to complete
LULU: uninstall ok!
...reboot to complete

==> Purging files for version 2.5.1 of Cask lulu
Error: lulu: It seems the App source '/Applications/LuLu.app' is not there.