Bug#264606: marked as done (dpkg has problems to replace directories with symlinks during updates)
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and subject line Bug#264606: dpkg has problems to replace directories with symlinks during updates
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From: Thomas Schmidt <thomas.schmidt@in.stud.tu-ilmenau.de>
To: Debian Bug Tracking System <submit@bugs.debian.org>
Subject: dpkg has problems to replace directories with symlinks during updates
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Package: dpkg
Version: 1.10.23
Severity: important
Hi
During the T&S-Stage of the NM-process i found a weird problem with
dpkg:
Assume you have a package (revision 1) with 2 directories which contain
the same data. You now want to change in revision 2 that directory 2 is
just a symlink to directory 1.
But after the upgrade from revision 1 to revision 2, directory 2 wont be
a symlink, but a empty!!! directory.
(When installing revision 2 without the revision 1 installed previously,
everything works as expected.)
My Application Manager, Marc Brockschmidt wrote a simple package to
demonstrate this issue, see the attached file.
Regards,
Thomas
-- System Information:
Debian Release: 3.1
APT prefers unstable
APT policy: (500, 'unstable'), (1, 'experimental')
Architecture: i386 (i686)
Kernel: Linux 2.6.7-bk20
Locale: LANG=de_DE@euro, LC_CTYPE=iso_8859_15 (ignored: LC_ALL set to de_DE@euro)
Versions of packages dpkg depends on:
ii dselect 1.10.23 a user tool to manage Debian packa
ii libc6 2.3.2.ds1-15 GNU C Library: Shared libraries an
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Date: Mon, 9 Aug 2004 12:53:49 -0500 (CDT)
From: Adam Heath <doogie@debian.org>
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To: Thomas Schmidt <thomas.schmidt@in.stud.tu-ilmenau.de>,
264606-done@bugs.debian.org
Subject: Re: Bug#264606: dpkg has problems to replace directories with symlinks
during updates
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On Mon, 9 Aug 2004, Thomas Schmidt wrote:
> Package: dpkg
> Version: 1.10.23
> Severity: important
>
> Hi
>
> During the T&S-Stage of the NM-process i found a weird problem with
> dpkg:
>
> Assume you have a package (revision 1) with 2 directories which contain
> the same data. You now want to change in revision 2 that directory 2 is
> just a symlink to directory 1.
>
> But after the upgrade from revision 1 to revision 2, directory 2 wont be
> a symlink, but a empty!!! directory.
>
> (When installing revision 2 without the revision 1 installed previously,
> everything works as expected.)
>
> My Application Manager, Marc Brockschmidt wrote a simple package to
> demonstrate this issue, see the attached file.
This is how it is supposed to function. Use your preinst to change it, if you
really can.
Consider the case where a local admin has symlinked a directory to a new
place. If dpkg changed it back, it would be buggy.
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