Package: optipng Version: 0.7.5-1 Severity: normal When using the -backup option, if the .bak file is a symbolic link pointing to a non-existing target, OptiPNG 0.7.5 transforms this symbolic link to a normal file, losing the symbolic link itself.
This can be reproduced with: ------------------------------------------------------------------ #!/bin/sh prefix=symlinktest.$$ base64 -d > $prefix.1.png <<EOF iVBORw0KGgoAAAANSUhEUgAAACgAAAAoAQAAAACkhYXAAAAABGdBTUEAALGPC/xhBQAAAAFzUkdC AK7OHOkAAAAgY0hSTQAAeiYAAICEAAD6AAAAgOgAAHUwAADqYAAAOpgAABdwnLpRPAAAAAJiS0dE AAHdihOkAAAACW9GRnMAAAEfAAACiQBnGPpYAAAACXBIWXMAAABgAAAAYADwa0LPAAAACXZwQWcA AAH1AAADKACp4S7kAAAADElEQVQI12NgGFkAAADwAAHXt5aiAAAAJXRFWHRkYXRlOmNyZWF0ZQAy MDE0LTA2LTIyVDExOjE0OjQyKzAyOjAw2bjiaQAAACV0RVh0ZGF0ZTptb2RpZnkAMjAxNC0wNi0y MlQxMToxNDo0MiswMjowMKjlWtUAAAAZdEVYdFNvZnR3YXJlAGdub21lLXNjcmVlbnNob3TvA78+ AAAAAElFTkSuQmCC EOF cp $prefix.1.png $prefix.2.png touch $prefix.3.png ln -s $prefix.3.png $prefix.1.png.bak rm -f $prefix.4.png ln -s $prefix.4.png $prefix.2.png.bak ls -l $prefix.* optipng -backup $prefix.1.png optipng -backup $prefix.2.png ls -l $prefix.* rm $prefix.* ------------------------------------------------------------------ I get, for instance: -rw-r--r-- 1 vinc17 vinc17 354 2014-06-22 11:34:19 symlinktest.31986.1.png lrwxrwxrwx 1 vinc17 vinc17 23 2014-06-22 11:34:19 symlinktest.31986.1.png.bak -> symlinktest.31986.3.png -rw-r--r-- 1 vinc17 vinc17 354 2014-06-22 11:34:19 symlinktest.31986.2.png lrwxrwxrwx 1 vinc17 vinc17 23 2014-06-22 11:34:19 symlinktest.31986.2.png.bak -> symlinktest.31986.4.png -rw-r--r-- 1 vinc17 vinc17 0 2014-06-22 11:34:19 symlinktest.31986.3.png [...] -rw-r--r-- 1 vinc17 vinc17 354 2014-06-22 11:34:19 symlinktest.31986.1.png lrwxrwxrwx 1 vinc17 vinc17 23 2014-06-22 11:34:19 symlinktest.31986.1.png.bak -> symlinktest.31986.3.png -rw-r--r-- 1 vinc17 vinc17 353 2014-06-22 11:34:19 symlinktest.31986.2.png -rw-r--r-- 1 vinc17 vinc17 354 2014-06-22 11:34:19 symlinktest.31986.2.png.bak -rw-r--r-- 1 vinc17 vinc17 0 2014-06-22 11:34:19 symlinktest.31986.3.png One can see that the symlinktest.31986.2.png.bak target information has been lost. -- System Information: Debian Release: jessie/sid APT prefers unstable APT policy: (500, 'unstable'), (500, 'testing'), (500, 'stable'), (1, 'experimental') Architecture: amd64 (x86_64) Foreign Architectures: i386 Kernel: Linux 3.11-2-amd64 (SMP w/2 CPU cores) Locale: LANG=POSIX, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8) Shell: /bin/sh linked to /bin/dash Versions of packages optipng depends on: ii libc6 2.19-3 ii libpng12-0 1.2.50-1 ii zlib1g 1:1.2.8.dfsg-1 optipng recommends no packages. optipng suggests no packages. -- no debconf information -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org