Bug#793085: ffmpeg: removal of ffmpeg makes files disappear from libav-tools
anbe at debian.org
Tue Jul 21 08:48:09 UTC 2015
User: debian-qa at lists.debian.org
Usertags: piuparts replaces-without-breaks
Control: affects -1 + libav-tools
during a test with piuparts and DOSE tools I noticed your package causes
removal of files that also belong to another package.
This is caused by using Replaces without corresponding Breaks.
The installation sequence to reproduce this problem is
apt-get install libav-tools
apt-get install ffmpeg
apt-get remove ffmpeg
The list of installed files at points (1) and (2) should be identical,
but the following files have disappeared:
This is a serious bug violating policy 7.6, see
and also see the footnote that describes this incorrect behavior
The ffmpeg package has the following relationships with libav-tools:
Breaks: libav-tools (<< 6:9~), qt-faststart (<< 7:2.7.1-3~)
Replaces: libav-tools (<< 6:12~), qt-faststart (<< 7:2.7.1-3~)
The Breaks was not bumped to match the Replaces.
>From the attached log (scroll to the bottom...):
1m28.2s ERROR: FAIL: After purging files have disappeared:
/usr/bin/qt-faststart owned by: ffmpeg
/usr/share/man/man1/qt-faststart.1.gz owned by: ffmpeg
1m28.2s ERROR: FAIL: After purging files have been modified:
/var/lib/dpkg/info/libav-tools.list not owned
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