alt Hacker NewsUh but this isn't random git repos these are packages available through the OS's repos. Why does the AUR even exist if not for malware distribution?
It's an uncontrolled free-for-all disguised as a watering hole. If they can't do the most basic of housekeeping it should not exist full stop.
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Nothing is "disguised" here. Arch Linux makes an enormous effort to warn that due dilligence is required before installing things, and to dissuade users from using the User Repository at all, to the point of not offering package manager support for it. The wiki even cites previous instances where malware was discovered in the AUR packages.
The only way you could possibly not be aware of the AUR's nature as an "uncontrolled free-for-all" is if you didn't read the Arch Wiki, and anyone who doesn't read the Arch Wiki should not be using Arch Linux to begin with.
"Uncontrolled free-for-all" is exactly the status quo of programming language package managers such as npm and pip. It's just as easy for total randoms to sign up for an account and push packages on those services as it is to push a package to the AUR. Only the AUR made the lack of trust explicit and part of the culture.
> these are packages
PKGBUILDs are not packages. They’re (user-contributed) instructions on how to build packages.
> available through the OS's repos.
No. The AUR is a platform, similarly to NPM or PyPI, that allows users to upload PKGBUILDs. It is not part of “the OS’s repos,” and it says that loud and clear, multiple times, including on the front page.
They *are* doing the basic housekeeping. What do you think this announcement is, if not exactly that? AUR is very clearly documented as user-submitted, and automatic installs from it are heavily discouraged by the maintainers for this reason. Malware aside, there is very little quality control, and a poorly made AUR has the potential to break the system pretty badly. (Though, in my experience, most of the useful AUR packages are trivial to remove if something goes wrong.)
The officially maintained repositories (which are part of a default installation) were not affected. Users need to go somewhat out of their way to use an AUR.
The definition files are all plain text and not especially complicated. It's not too difficult to glance at the file before doing an install to get a basic idea of what it's about to do, just like you should do when running a random shell script or cloning a random git repo. Indeed, most AURs are implemented by cloning an upstream git repo and configuring it so it can be built. The same basic threat model applies: Do you trust the install script? Do you trust the upstream URL whose code it is about to compile?