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Sat, 08 Feb 2025 21:40:16 -0800 (PST)
Message-ID: <7a4548d3-b614-4498-8ad5-50080e708bff@gmail.com>
Date: Sun, 9 Feb 2025 06:40:15 +0100
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To: "cygwin AT cygwin DOT com" <cygwin AT cygwin DOT com>
Subject: [maintainer] coreutils-9.0-1: "ln -fs" bug
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From: Marco Atzeri via Cygwin <cygwin AT cygwin DOT com>
Reply-To: Marco Atzeri <marco DOT atzeri AT gmail DOT com>
Sender: "Cygwin" <cygwin-bounces~archive-cygwin=delorie DOT com AT cygwin DOT com>

Noticed today, not sure it is new nor that is Cygwin specific.

It can create unrequested circular links, to replicate:

$ cd /tmp
$ mkdir dirA
$ mkdir dirB
$ cd dirA
$ ln -fs /tmp/dirB dirB
$ ls -l
total 0
lrwxrwxrwx 1 marco marco 9 Feb  9 06:33 dirB -> /tmp/dirB
$ cd dirB
$ ls -l
total 0
lrwxrwxrwx 1 marco marco 7 Feb  9 06:25 dirB -> ../dirB

I built nothing in dirB, but now there is inside a circular link to itself.


It only happens with "ln -fs" not with "ln -s"

Regards
Marco





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