Package: aptitude
Version: 0.4.11.3-1
Severity: normal

Every time there's an upload of some hplip related packages they are
broken for a few days in sid until the buildd catch up and every time
aptitude wants to downgrade hpijs-ppds:
| $ LANG=C sudo aptitude dist-upgrade
| [sudo] password for rhertzog: 
| Reading package lists... Done
| Building dependency tree       
| Reading state information... Done
| Reading extended state information       
| Initializing package states... Done
| Reading task descriptions... Done  
| The following packages are BROKEN:
|   gnome-system-tools hpijs-ppds hplip 
| The following NEW packages will be installed:
|   libauthen-dechpwd-perl{a} libauthen-passphrase-perl{a} 
libcrypt-blowfish-perl{a} 
|   libcrypt-des-perl{a} libcrypt-eksblowfish-perl{a} libcrypt-mysql-perl{a} 
|   libcrypt-passwdmd5-perl{a} libcrypt-rijndael-perl{a} 
libcrypt-unixcrypt-xs-perl{a} 
|   libdata-entropy-perl{a} libdata-float-perl{a} libdata-integer-perl{a} 
libdigest-md4-perl{a} 
|   libdigest-perl{a} libmodule-runtime-perl{a} libparams-classify-perl{a} 
libscalar-number-perl{a} 
| The following packages will be REMOVED:
|   liboobs-1-3{a} 
| The following packages will be upgraded:
|   apt-file debian-maintainers g-wrap grub-common grub-pc guile-g-wrap 
hplip-data hplip-gui ikiwiki 
|   libgwrap-runtime-dev libgwrap-runtime2 libsmbclient po-debconf 
python-sqlobject samba-common 
|   smbclient smbfs system-tools-backends tzdata 
| The following packages are RECOMMENDED but will NOT be installed:
|   libnet-openid-consumer-perl 
| 20 packages upgraded, 17 newly installed, 1 to remove and 0 not upgraded.
| Need to get 22.2MB of archives. After unpacking 1717kB will be used.
| The following packages have unmet dependencies:
|   hplip: Depends: hplip-data (< 2.8.4.1) but 2.8.5-1 is to be installed.
|   gnome-system-tools: Depends: liboobs-1-3 (>= 2.19.91) but it is not 
installable
|   hpijs-ppds: Depends: hpijs (>= 2.8.5+2.8.5-1) but 2.8.4+2.8.4-1 is 
installed.
| The following actions will resolve these dependencies:
| 
| Keep the following packages at their current version:
| hplip-data [2.8.4-1 (testing, now)]
| liboobs-1-3 [2.20.0-1 (unstable, testing, now)]
| system-tools-backends [2.4.2-1 (testing, now)]
| 
| Downgrade the following packages:
| hpijs-ppds [2.8.4+2.8.4-1 (testing, now) -> 2.6.10+1.6.10-4.2+lenny1 
(testing)]
| 
| Score is 2171
| 
| Accept this solution? [Y/n/q/?] 

Responding "n" to see alternative scenario leads to more downgrades... while
typing ": hpijs-ppds" works perfectly well:

| Accept this solution? [Y/n/q/?] : hpijs-ppds
| The following packages have unmet dependencies:
|   hplip: Depends: hplip-data (< 2.8.4.1) but 2.8.5-1 is to be installed.
|   gnome-system-tools: Depends: liboobs-1-3 (>= 2.19.91) but it is not 
installable
| The following actions will resolve these dependencies:
| 
| Keep the following packages at their current version:
| hplip-data [2.8.4-1 (testing, now)]
| liboobs-1-3 [2.20.0-1 (unstable, testing, now)]
| system-tools-backends [2.4.2-1 (testing, now)]
| 
| Score is 141
| 
| Accept this solution? [Y/n/q/?] 


Aptitude should really only suggest downgrade as a last solution and ideally
only when the current system is already broken. 

To duplicate the problem I've put my dpkg status file and the /var/lib/apt
lists (and sources.list) in 
http://people.debian.org/~hertzog/aptitude-downgrade.tar.bz2

Cheers,

PS: BTW looking at the info below, you might want to add a LC_ALL=C in the
script that gathers those infos ;-)

-- Package-specific info:
aptitude 0.4.11.3 compilé le May 27 2008 04:52:17
Compilateur : g++ 4.2.4 (Debian 4.2.4-1)
Compilé avec :
  version d'APT : 4 6 0
  version de NCurses : 5.6
  version de libsigc++ : 2.0.18
  gestion d'Ept activée.

versions des bibliothèques :
  version de NCurses : ncurses 5.6.20080503
  version de cwidget : 0.5.11
  version d'APT : 4.6.0
        linux-gate.so.1 =>  (0xffffe000)
        libapt-pkg-libc6.7-6.so.4.6 => /usr/lib/libapt-pkg-libc6.7-6.so.4.6 
(0xb7e67000)
        libncursesw.so.5 => /lib/libncursesw.so.5 (0xb7e2b000)
        libsigc-2.0.so.0 => /usr/lib/libsigc-2.0.so.0 (0xb7e24000)
        libcwidget.so.3 => /usr/lib/libcwidget.so.3 (0xb7d34000)
        libept.so.0 => /usr/lib/libept.so.0 (0xb7cbc000)
        libxapian.so.15 => /usr/lib/libxapian.so.15 (0xb7b49000)
        libz.so.1 => /usr/lib/libz.so.1 (0xb7b34000)
        libpthread.so.0 => /lib/i686/cmov/libpthread.so.0 (0xb7b1c000)
        libstdc++.so.6 => /usr/lib/libstdc++.so.6 (0xb7a2e000)
        libm.so.6 => /lib/i686/cmov/libm.so.6 (0xb7a09000)
        libgcc_s.so.1 => /lib/libgcc_s.so.1 (0xb79fc000)
        libc.so.6 => /lib/i686/cmov/libc.so.6 (0xb78ae000)
        libutil.so.1 => /lib/i686/cmov/libutil.so.1 (0xb78aa000)
        libdl.so.2 => /lib/i686/cmov/libdl.so.2 (0xb78a5000)
        /lib/ld-linux.so.2 (0xb7f4c000)
Terminal: xterm
$DISPLAY is set.
`which aptitude`: /usr/bin/aptitude
aptitude version information:

aptitude linkage:

-- System Information:
Debian Release: lenny/sid
  APT prefers unstable
  APT policy: (500, 'unstable'), (500, 'testing'), (500, 'stable'), (1, 
'experimental')
Architecture: i386 (i686)

Kernel: Linux 2.6.24-1-686 (SMP w/1 CPU core)
Locale: LANG=fr_FR.UTF-8, LC_CTYPE=fr_FR.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash

Versions of packages aptitude depends on:
ii  apt [libapt-pkg-libc6. 0.7.14            Advanced front-end for dpkg
ii  libc6                  2.7-11            GNU C Library: Shared libraries
ii  libcwidget3            0.5.11-1          high-level terminal interface libr
ii  libept0                0.5.17            High-level library for managing De
ii  libgcc1                1:4.3.0-5         GCC support library
ii  libncursesw5           5.6+20080503-1    Shared libraries for terminal hand
ii  libsigc++-2.0-0c2a     2.0.18-2          type-safe Signal Framework for C++
ii  libstdc++6             4.3.0-5           The GNU Standard C++ Library v3
ii  libxapian15            1.0.5-1           Search engine library
ii  zlib1g                 1:1.2.3.3.dfsg-12 compression library - runtime

Versions of packages aptitude recommends:
ii  aptitude-doc-en [aptitude-doc 0.4.11.3-1 English manual for aptitude, a ter
ii  aptitude-doc-fr [aptitude-doc 0.4.11.3-1 French manual for aptitude, a term
ii  libparse-debianchangelog-perl 1.1.1-2    parse Debian changelogs and output

-- no debconf information



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