#!/bin/bash

set -e

# We clean up from old versions that didn't properly remove all
# symlinks to pydevd during the upgrade.  The first version to
# include this preinst is 1.8.2+ds-3, but this code was slightly
# inaccurate in the 1.8.2+ds series, so we regard anything earlier
# than 1.8.5+ds-1 as suspect.

if [ "$1" = upgrade -o \( "$1" = install -a -n "$2" \) ]
then
   old_version=$2
   if dpkg --compare-versions $old_version lt 1.8.5+ds-1
   then
       rm -rf /usr/lib/python3/dist-packages/debugpy/_vendored/pydevd
       rm -rf /usr/lib/python3/dist-packages/debugpy/_vendored/__pycache__
   fi
elif [ "$1" = install -a -d /usr/lib/python3/dist-packages/debugpy ]
then
    # There is cruft left over from a previous, now-purged, installation
    rm -rf /usr/lib/python3/dist-packages/debugpy
fi