Bug#742676: libav-tools: dpkg --compare-verisons error during installation

[matteo nunziati]

Package: libav-tools
Version: 6:9.11-3
Severity: normal

Dear Maintainer,

during installation of libav-tools on jessie I've got the following error from
dpkg:

--------------------------------------------------------------------
root at t440-matte:/home/utente/# aptitude install libav-tools
I seguenti pacchetti NUOVI (NEW) saranno installati:
  libav-tools libavdevice53{a} libavfilter3{a} libavresample1{a}
0 pacchetti aggiornati, 4 installati, 0 da rimuovere e 0 non aggiornati.
È necessario prelevare 3663 kB di archivi. Dopo l'estrazione, verranno
occupati 9983 kB.
Continuare? [Y/n/?]
[...]
Preparing to unpack .../libav-tools_6%3a9.11-3_amd64.deb ...
dpkg: errore: --compare-versions richiede tre argomenti: <versione> <operatore>
<versione>

Type dpkg --help for help about installing and deinstalling packages [*];
Use 'apt' or 'aptitude' for user-friendly package management;
Type dpkg -Dhelp for a list of dpkg debug flag values;
Type dpkg --force-help for a list of forcing options;
Type dpkg-deb --help for help about manipulating *.deb files;

Options marked [*] produce a lot of output - pipe it through 'less' or 'more' !
Unpacking libav-tools (6:9.11-3) ...
Processing triggers for man-db (2.6.6-1) ...
Configurazione di libavdevice53:amd64 (6:9.11-3)...
Configurazione di libavresample1:amd64 (6:9.11-3)...
Configurazione di libavfilter3:amd64 (6:9.11-3)...
Configurazione di libav-tools (6:9.11-3)...
Processing triggers for libc-bin (2.18-4) ...
--------------------------------------------------------------------

sorry for the italian localization. in the end the message points out than
there a syntax error with dpkg --compare-verisons.
I've used avconv with few wma files an everything seems ok!

bye,
M



-- System Information:
Debian Release: jessie/sid
  APT prefers testing
  APT policy: (500, 'testing')
Architecture: amd64 (x86_64)

Kernel: Linux 3.13-1-amd64 (SMP w/4 CPU cores)
Locale: LANG=it_IT.UTF-8, LC_CTYPE=it_IT.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash

Versions of packages libav-tools depends on:
ii  dpkg                   1.17.6
ii  libavcodec54           6:9.11-3
ii  libavdevice53          6:9.11-3
ii  libavfilter3           6:9.11-3
ii  libavformat54          6:9.11-3
ii  libavresample1         6:9.11-3
ii  libavutil52            6:9.11-3
ii  libbz2-1.0             1.0.6-5
ii  libc6                  2.18-4
ii  libgnutls26            2.12.23-13
ii  libgsm1                1.0.13-4
ii  libmp3lame0            3.99.5+repack1-3
ii  libopenjpeg2           1.3+dfsg-4.7+b1
ii  libopus0               1.1-1
ii  librtmp0               2.4+20121230.gitdf6c518-1
ii  libschroedinger-1.0-0  1.0.11-2
ii  libsdl1.2debian        1.2.15-9
ii  libspeex1              1.2~rc1.1-1
ii  libswscale2            6:9.11-3
ii  libtheora0             1.1.1+dfsg.1-3.2
ii  libva1                 1.2.1-2
ii  libvorbis0a            1.3.2-1.3
ii  libvorbisenc2          1.3.2-1.3
ii  libvpx1                1.3.0-2
ii  libx264-133            2:0.133.2339+git585324f-2+b1
ii  libxvidcore4           2:1.3.2-9
ii  zlib1g                 1:1.2.8.dfsg-1

libav-tools recommends no packages.

Versions of packages libav-tools suggests:
pn  frei0r-plugins  <none>

-- no debconf information