[pkg-uWSGI-devel] Bug#839666: Incorrect usage of prerm

Neil Williams codehelp at debian.org
Tue Oct 4 15:28:23 UTC 2016

The problem appears to come down to the a2dismod being called inside a
check for "purge" in the prerm script.

prerm does not get called for "purge", only "remove".

postrm gets called with "purge" or with "remove".


prerm cannot expect to be called with "purge", that is not Policy

* uwsgi needs to use a2dismod in prerm upon the "remove" (and
  "deconfigure") command as that is when the .so is removed, leaving the
  dangling symlink which trips up Apache. This is how wsgi does it.

* uwsgi may also (like wsgi) choose to use a2dismod upon "purge" in the

So this is a packaging bug in uwsgi - the a2dismod is never called.


Neil Williams

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