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Edit: The link.
There were lots of good titles for this submission, as in "Breaking news: Poettering clueless?" to finally disprove Betteridge's law, or "systemd surprisingly not as good as advertised" or "Breaking new: systemd broken" or "Poettering censors critics after epic fail".
Systemd implementation of "rm -rf .*" will follow ".." to upper directory and erase /
How to reproduce:
# mkdir -p /foo/dir{1,2}
# touch /foo/.bar{1,2}
# cat /etc/tmpfiles.d/test.conf
R! /foo/.* - - - - -
Reboot.
After the issue was fixed, finally Poettering added this gem of wisdom:
I am not sure I'd consider this much of a problem. Yeah, it's a UNIX pitfall, but "rm -rf /foo/.*" will work the exact same way, no?
The answer to this question, as many clarified for him, obviously is a loud "NO!". After being told a couple of times in no uncertain terms, the thread was closed for non-developers
poettering locked and limited conversation to collaborators 4 hours ago
for which I proposed the "freedom-of-speech" department (although I admit it is a weak proposal).
(Score: 3, Interesting) by NCommander on Monday April 17 2017, @10:01PM
On the topic of Avahi, while I'm happy to bash Lennart for most things, that one is actually just due to the fact that Apple's zeroconf specification more or less works that way; it's the implementation of a (IMHO dubious) standard to replicate AppleTalk plug-and-play on IP. A large part of me still thinks we'd been better off keeping support for AppleTalk (or another LAN) network protocol and leaving zeroconf and .local alone.
Still always moving