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#!/bin/sh
# prerm script for google-o3d

set -e

# Find out which Debian-derived distro this is.
. /etc/lsb-release
if test "$DISTRIB_ID" = Ubuntu; then
  distro=Ubuntu
else
  distro=Other
fi

# The nspluginwrapper package in Ubuntu behaves differently from upstream. By
# default it installs the wrapped plugin to multiple directories. -n must be
# used to suppress this. Additionally, when using -n the directory that it
# installs to is still different. Hence the logic here.
if test $distro = Ubuntu; then
  WRAPPED_PLUGIN_PATH="/usr/lib/nspluginwrapper/plugins/npwrapper.libnpo3dautoplugin.so"
  APPS="iceape iceweasel mozilla firefox xulrunner midbrowser xulrunner-addons"
else
  WRAPPED_PLUGIN_PATH="/usr/lib/mozilla/plugins/npwrapper.libnpo3dautoplugin.so"
  APPS="iceape iceweasel firefox xulrunner midbrowser xulrunner-addons"
fi

case "$1" in
  remove|upgrade|deconfigure)
    # Remove the symlinks.
    for app in $APPS; do
      # Don't fail if it happens to not be there. User might have removed it
      # themselves, for example.
      rm -f /usr/lib/$app/plugins/npwrapper.libnpo3dautoplugin.so
    done
    if ! which nspluginwrapper 2>&1 > /dev/null; then
      echo "Warning: nspluginwrapper not found. Some files may be left over." >&2
    else
      # Remove the wrapper. Again, don't fail.
      nspluginwrapper -r $WRAPPED_PLUGIN_PATH || { echo "Warning: Unable to remove wrapped plugin. Some files may be left over." >&2; }
    fi
  ;;

  failed-upgrade)
    # Executing "old-prerm upgrade" failed. This gets called to take over.
    # If it succeeds, the upgrade continues and postinst is later called.
    # We don't want users to get stuck on an old version, so we always continue
    # the upgrade.
    echo "Warning: continuing upgrade even though old version wasn't successfully deconfigured" >&2
  ;;

  *)
    echo "prerm called with unknown argument \`$1'" >&2
    exit 1
  ;;
esac

# dh_installdeb will replace this with shell code automatically
# generated by other debhelper scripts.

#DEBHELPER#

exit 0