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Bug#767850: marked as done (apache2: unhandled symlink to directory conversion: /usr/share/doc/apache2)

Your message dated Sun, 09 Nov 2014 18:19:08 +0000
with message-id <E1XnX4u-0007AX-Vu@franck.debian.org>
and subject line Bug#767850: fixed in apache2 2.4.10-7
has caused the Debian Bug report #767850,
regarding apache2: unhandled symlink to directory conversion: /usr/share/doc/apache2
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
message is talking about, this may indicate a serious mail system
misconfiguration somewhere. Please contact owner@bugs.debian.org
immediately.)


-- 
767850: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=767850
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
Package: apache2
Version: 2.4.10-6
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:

  wheezy -> jessie

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:
http://www.debian.org/doc/debian-policy/ch-docs.html#s-copyrightfile

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
http://www.debian.org/doc/debian-policy/ch-maintainerscripts.html#s-unpackphase

It is recommended to use the dpkg-maintscript-helper commands
'dir_to_symlink' and 'symlink_to_dir' (available since dpkg 1.17.2)
to perform the conversion, ideally using d/$PACKAGE.mainstscript.
See dpkg-maintscript-helper(1) and dh_installdeb(1) for details.


>From the attached log (usually somewhere in the middle...):

1m34.4s ERROR: FAIL: silently overwrites files via directory symlinks:
  /usr/share/doc/apache2/NEWS.Debian.gz (apache2) != /usr/share/doc/apache2.2-common/NEWS.Debian.gz (?)
  /usr/share/doc/apache2/PACKAGING.gz (apache2) != /usr/share/doc/apache2.2-common/PACKAGING.gz (?)
  /usr/share/doc/apache2/README.Debian.gz (apache2) != /usr/share/doc/apache2.2-common/README.Debian.gz (?)
  /usr/share/doc/apache2/README.backtrace (apache2) != /usr/share/doc/apache2.2-common/README.backtrace (?)
  /usr/share/doc/apache2/README.multiple-instances (apache2) != /usr/share/doc/apache2.2-common/README.multiple-instances (?)
  /usr/share/doc/apache2/changelog.Debian.gz (apache2) != /usr/share/doc/apache2.2-common/changelog.Debian.gz (apache2.2-common)
  /usr/share/doc/apache2/changelog.gz (apache2) != /usr/share/doc/apache2.2-common/changelog.gz (apache2.2-common)
  /usr/share/doc/apache2/copyright (apache2) != /usr/share/doc/apache2.2-common/copyright (apache2.2-common)
  /usr/share/doc/apache2/examples (apache2) != /usr/share/doc/apache2.2-common/examples (?)
  /usr/share/doc/apache2/examples/apache2.monit (apache2) != /usr/share/doc/apache2.2-common/examples/apache2.monit (?)
  /usr/share/doc/apache2/examples/secondary-init-script (apache2) != /usr/share/doc/apache2.2-common/examples/secondary-init-script (?)
  /usr/share/doc/apache2/examples/setup-instance (apache2) != /usr/share/doc/apache2.2-common/examples/setup-instance (?)
  /usr/share/doc/apache2/migrate-sites.pl (apache2) != /usr/share/doc/apache2.2-common/migrate-sites.pl (?)

And there are more problems but I didn't have time to look at them in detail:

1m36.2s ERROR: FAIL: debsums reports modifications inside the chroot:
  debsums: missing file /etc/apache2/mods-available/imagemap.load (from apache2.2-common package)
  debsums: missing file /etc/apache2/mods-available/cern_meta.load (from apache2.2-common package)
  debsums: missing file /etc/apache2/mods-available/authz_default.load (from apache2.2-common package)
  debsums: missing file /etc/apache2/sites-available/default-ssl (from apache2.2-common package)
  debsums: missing file /etc/apache2/mods-available/disk_cache.load (from apache2.2-common package)
  debsums: missing file /etc/apache2/mods-available/disk_cache.conf (from apache2.2-common package)
  debsums: missing file /etc/apache2/conf.d/charset (from apache2.2-common package)
  debsums: missing file /etc/apache2/sites-available/default (from apache2.2-common package)
  debsums: missing file /etc/apache2/mods-available/authn_default.load (from apache2.2-common package)
  debsums: missing file /etc/bash_completion.d/apache2.2-common (from apache2.2-common package)
  debsums: missing file /etc/apache2/conf.d/security (from apache2.2-common package)
  debsums: missing file /etc/apache2/conf.d/other-vhosts-access-log (from apache2.2-common package)
  debsums: missing file /etc/apache2/mods-available/mem_cache.conf (from apache2.2-common package)
  debsums: missing file /etc/apache2/mods-available/authn_alias.load (from apache2.2-common package)
  debsums: missing file /etc/apache2/mods-available/mem_cache.load (from apache2.2-common package)
  debsums: missing file /etc/apache2/conf.d/localized-error-pages (from apache2.2-common package)


cheers,

Andreas

Attachment: gitweb_1:2.1.1-1.log.gz
Description: application/gzip


--- End Message ---
--- Begin Message --- 
Source: apache2
Source-Version: 2.4.10-7

We believe that the bug you reported is fixed in the latest version of
apache2, 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 767850@bugs.debian.org,
and the maintainer will reopen the bug report if appropriate.

Debian distribution maintenance software
pp.
Stefan Fritsch <sf@debian.org> (supplier of updated apache2 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: SHA256

Format: 1.8
Date: Sun, 09 Nov 2014 19:03:30 +0100
Source: apache2
Binary: apache2 apache2-data apache2-bin apache2-mpm-worker apache2-mpm-prefork apache2-mpm-event apache2-mpm-itk apache2.2-bin apache2.2-common libapache2-mod-proxy-html libapache2-mod-macro apache2-utils apache2-suexec apache2-suexec-pristine apache2-suexec-custom apache2-doc apache2-dev apache2-dbg
Architecture: source amd64 all
Version: 2.4.10-7
Distribution: unstable
Urgency: medium
Maintainer: Debian Apache Maintainers <debian-apache@lists.debian.org>
Changed-By: Stefan Fritsch <sf@debian.org>
Description:
 apache2    - Apache HTTP Server
 apache2-bin - Apache HTTP Server (modules and other binary files)
 apache2-data - Apache HTTP Server (common files)
 apache2-dbg - Apache debugging symbols
 apache2-dev - Apache HTTP Server (development headers)
 apache2-doc - Apache HTTP Server (on-site documentation)
 apache2-mpm-event - transitional event MPM package for apache2
 apache2-mpm-itk - transitional itk MPM package for apache2
 apache2-mpm-prefork - transitional prefork MPM package for apache2
 apache2-mpm-worker - transitional worker MPM package for apache2
 apache2-suexec - transitional package for apache2-suexec-pristine
 apache2-suexec-custom - Apache HTTP Server configurable suexec program for mod_suexec
 apache2-suexec-pristine - Apache HTTP Server standard suexec program for mod_suexec
 apache2-utils - Apache HTTP Server (utility programs for web servers)
 apache2.2-bin - Transitional package for apache2-bin
 apache2.2-common - Transitional package for apache2
 libapache2-mod-macro - Transitional package for apache2-bin
 libapache2-mod-proxy-html - Transitional package for apache2-bin
Closes: 767850
Changes:
 apache2 (2.4.10-7) unstable; urgency=medium
 .
   * Handle transitions of doc dirs and symlinks correctly during upgrade.
     Use dpkg-maintscript-helper for this and remove existing explicit logic.
     Closes: #767850
   * Remove obsolete conffiles in apache2.2-common, instead doing this only in
     apache2. This partially fixes #768815
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