Comment 6 for bug 1065678

root@mele:~# debconf-show apt-build debconf
  debconf-apt-progress/preparing:
  debconf/frontend: Dialog
  debconf-apt-progress/title:
  debconf/priority: high
  debconf-apt-progress/info:
  debconf-apt-progress/media-change:

root@mele:~# DEBCONF_DEBUG=developer dpkg --configure -a
Setting up apt-build (0.12.43) ...
debconf (developer): frontend started
debconf (developer): frontend running, package name is apt-build
debconf (developer): starting /var/lib/dpkg/info/apt-build.config configure
debconf (developer): <-- INPUT medium apt-build/build_dir
debconf (developer): --> 30 question skipped
debconf (developer): <-- GO
debconf (developer): --> 0 ok
debconf (developer): <-- GET apt-build/build_dir
debconf (developer): --> 0 /var/cache/apt-build/build
debconf (developer): <-- INPUT medium apt-build/repository_dir
debconf (developer): --> 30 question skipped
debconf (developer): <-- GO
debconf (developer): --> 0 ok
debconf (developer): <-- GET apt-build/repository_dir
debconf (developer): --> 0 /var/cache/apt-build/repository
debconf (developer): <-- SUBST apt-build/add_to_sourceslist repo /var/cache/apt-build/repository
debconf (developer): --> 0
debconf (developer): <-- SET apt-build/add_to_sourceslist true
debconf (developer): --> 0 value set
debconf (developer): <-- INPUT critical apt-build/add_to_sourceslist
debconf (developer): --> 0 question will be asked
debconf (developer): <-- INPUT critical apt-build/olevel
debconf (developer): --> 0 question will be asked
debconf (developer): <-- INPUT medium apt-build/options
debconf (developer): --> 30 question skipped
debconf (developer): <-- GO
debconf (developer): --> 0 ok
dpkg: error processing apt-build (--configure):
 subprocess installed post-installation script returned error exit status 1
Errors were encountered while processing:
 apt-build