[Pkg-gmagick-im-team] Bug#814480: imagemagick: cannot upgrade: /usr/share/doc/imagemagick contains files not owned by package imagemagick:all

[Vincent Lefevre]

Package: imagemagick
Version: 8:6.9.2.10+dfsg-2
Severity: grave
Justification: renders package unusable

When upgrading, I get the following error:

dpkg-maintscript-helper: error: directory '/usr/share/doc/imagemagick' contains files not owned by package imagemagick:all, cannot switch to symlink
dpkg: error processing archive /var/cache/apt/archives/imagemagick_8%3a6.9.2.10+dfsg-2_all.deb (--unpack):
 subprocess new pre-installation script returned error exit status 1
Errors were encountered while processing:
 /var/cache/apt/archives/imagemagick_8%3a6.9.2.10+dfsg-2_all.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)

-- Package-specific info:
ImageMagick program version
---------------------------
animate: compare: convert: composite: conjure: display: identify: import: mogrify: montage: stream: 
-- System Information:
Debian Release: stretch/sid
  APT prefers unstable-debug
  APT policy: (500, 'unstable-debug'), (500, 'stable-updates'), (500, 'unstable'), (500, 'testing'), (500, 'stable'), (1, 'experimental')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 4.3.0-1-amd64 (SMP w/8 CPU cores)
Locale: LANG=POSIX, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: sysvinit (via /sbin/init)

Versions of packages imagemagick depends on:
iu  imagemagick-6.q16  8:6.9.2.10+dfsg-2

imagemagick recommends no packages.

imagemagick suggests no packages.

-- no debconf information