[Bug 1270025] Re: graphviz package does not configure plugins

[grobbelaar]

Does not seem to work with current 14.04 LTS:

$ cat /etc/issue
Ubuntu 14.04 LTS \n \l
$ dot -Tpng
Format: "png" not recognized. Use one of:
$ dot -V
dot - graphviz version 2.36.0 (20140111.2315)
$ aptitude show graphviz
Package: graphviz                        
State: installed
Automatically installed: no
Multi-Arch: foreign
Version: 2.36.0-0ubuntu3
(snipped)

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https://bugs.launchpad.net/bugs/1270025

Title:
  graphviz package does not configure plugins

Status in “graphviz” package in Ubuntu:
  Fix Released

Bug description:
  After installing graphviz 2.36.0-0ubuntu1 in Trusty, I can no longer
  generate any PNG images with the 'dot' tool. The reason for this is
  that the package scripts do not configure the installed graphviz
  plugins:

  To reproduce:
  ----

  $ dot -Tpng my_file.dot > my_file.png
  There is no layout engine support for "dot"
  Perhaps "dot -c" needs to be run (with installer's privileges) to register the plugins?

  
  $ sudo dot -c
  [sudo] password for thomi: 

  
  $ dot -Tpng my_file.dot > my_file.png
  # works now.

  
  I think the 'sudo dot -c' step ought to be done as part of the package installation scripts.

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