[Bug 1058790] Re: package does not uninstall

[ill]

"The package maintainer scripts contain instructions on how to remove
the package. APT and dpkg absolutely rely on those instructions and can
not remove a package if they are broken. It is not safe otherwise,
neither is it clear *how* to remove the package."

That in itself is a security risk, because then a maintainer can make it
so that the package is not actually removed even if apt says it is, or
make the user think a package is uninstalled when it isn't.

"Please do not confirm your own reports."

I was only going by the status descriptions

** Changed in: apt (Ubuntu)
       Status: Invalid => New

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Title:
  package does not uninstall

Status in “apt” package in Ubuntu:
  New

Bug description:
  when attempting to uninstall a package, apt-get fails to remove it. 
  $ sudo apt-get remove brscan2
  Reading package lists... Done
  Building dependency tree       
  Reading state information... Done
  The following packages were automatically installed and are no longer required:
    libjack-jackd2-dev libutouch-evemu1 libutouch-geis1 libutouch-frame1 libsndfile1-dev
    kbuild libreadline6-dev module-assistant libutouch-grail1 libgsoap1 libreadline-dev
  Use 'apt-get autoremove' to remove them.
  The following packages will be REMOVED:
    brscan2
  0 upgraded, 0 newly installed, 1 to remove and 50 not upgraded.
  1 not fully installed or removed.
  After this operation, 0 B of additional disk space will be used.
  Do you want to continue [Y/n]? y
  (Reading database ... 270358 files and directories currently installed.)
  Removing brscan2 ...
  rmdir: failed to remove `/usr/local/Brother/sane/GrayCmData/ALL': No such file or directory
  rmdir: failed to remove `/usr/local/Brother/sane/GrayCmData/AL': No such file or directory
  rmdir: failed to remove `/usr/local/Brother/sane/GrayCmData': No such file or directory
  rmdir: failed to remove `/usr/local/Brother/sane/models2': No such file or directory
  rmdir: failed to remove `/usr/local/Brother/sane': No such file or directory
  rmdir: failed to remove `/usr/local/Brother': No such file or directory
  dpkg: error processing brscan2 (--remove):
   subprocess installed post-removal script returned error exit status 1
  Errors were encountered while processing:
   brscan2
  E: Sub-process /usr/bin/dpkg returned an error code (1)

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