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Bug#985295: marked as done (qbs-examples: unhandled symlink to directory conversion: /usr/share/qbs/examples/cocoa-application/CocoaApplication/en_US.lproj -> en.lproj)

Your message dated Mon, 15 Mar 2021 18:50:47 +0000
with message-id <E1lLsIh-0008IU-OD@fasolo.debian.org>
and subject line Bug#985295: fixed in qbs 1.18.0-5
has caused the Debian Bug report #985295,
regarding qbs-examples: unhandled symlink to directory conversion: /usr/share/qbs/examples/cocoa-application/CocoaApplication/en_US.lproj -> en.lproj
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

(NB: If you are a system administrator and have no idea what this
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-- 
985295: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=985295
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
Package: qbs-examples
Version: 1.18.0-4
Severity: serious
User: debian-qa@lists.debian.org
Usertags: piuparts

Hi,

an upgrade test with piuparts revealed that your package installs files
over existing symlinks and possibly overwrites files owned by other
packages. This usually means an old version of the package shipped a
symlink but that was later replaced by a real (and non-empty)
directory. This kind of overwriting another package's files cannot be
detected by dpkg.

This was observed on the following upgrade paths:

  buster -> bullseye

For /usr/share/doc/PACKAGE this may not be problematic as long as both
packages are installed, ship byte-for-byte identical files and are
upgraded in lockstep. But once one of the involved packages gets
removed, the other one will lose its documentation files, too,
including the copyright file, which is a violation of Policy 12.5:
https://www.debian.org/doc/debian-policy/ch-docs.html#copyright-information

For other overwritten locations anything interesting may happen.

Note that dpkg intentionally does not replace directories with symlinks
and vice versa, you need the maintainer scripts to do this.
See in particular the end of point 4 in
https://www.debian.org/doc/debian-policy/ch-maintainerscripts.html#details-of-unpack-phase-of-installation-or-upgrade

It is recommended to use the dpkg-maintscript-helper commands
'dir_to_symlink' and 'symlink_to_dir' (available since dpkg 1.17.14)
to perform the conversion, ideally using d/$PACKAGE.maintscript.
See dpkg-maintscript-helper(1) and dh_installdeb(1) for details.


>From the attached log (scroll to the bottom...):

  Preparing to unpack .../qbs-examples_1.18.0-4_all.deb ...
  Unpacking qbs-examples (1.18.0-4) over (1.12.2+dfsg-2) ...
  dpkg: error processing archive /var/cache/apt/archives/qbs-examples_1.18.0-4_all.deb (--unpack):
   unable to install new version of '/usr/share/qbs/examples/cocoa-application/CocoaApplication/en_US.lproj/Credits.rtf': No such file or directory
  Errors were encountered while processing:
   /var/cache/apt/archives/qbs-examples_1.18.0-4_all.deb


In buster /usr/share/qbs/examples/cocoa-application/CocoaApplication/en_US.lproj
was a symlink to en.lproj.

cheers,

Andreas

Attachment: qbs-examples_1.18.0-4.log.gz
Description: application/gzip


--- End Message ---
--- Begin Message --- 
Source: qbs
Source-Version: 1.18.0-5
Done: Dmitry Shachnev <mitya57@debian.org>

We believe that the bug you reported is fixed in the latest version of
qbs, which is due to be installed in the Debian FTP archive.

A summary of the changes between this version and the previous one is
attached.

Thank you for reporting the bug, which will now be closed.  If you
have further comments please address them to 985295@bugs.debian.org,
and the maintainer will reopen the bug report if appropriate.

Debian distribution maintenance software
pp.
Dmitry Shachnev <mitya57@debian.org> (supplier of updated qbs package)

(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing ftpmaster@ftp-master.debian.org)


-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512

Format: 1.8
Date: Mon, 15 Mar 2021 21:02:24 +0300
Source: qbs
Architecture: source
Version: 1.18.0-5
Distribution: unstable
Urgency: medium
Maintainer: Debian Qt/KDE Maintainers <debian-qt-kde@lists.debian.org>
Changed-By: Dmitry Shachnev <mitya57@debian.org>
Closes: 985295
Changes:
 qbs (1.18.0-5) unstable; urgency=medium
 .
   * Handle symlink to directory change in qbs-examples (closes: #985295).
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--- End Message ---
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