#!/bin/sh
set -e

basedir=/usr/share/vim/@VIMCUR@/doc

rm_diversion() {
  dpkg-divert --package vim-runtime --rename --remove "$1"
}

# Used to remove the previous diversion when upgrading from one major release
# to the next
remove_previous_diversions() {
  for v in vim71 vim72a vim72b vim72c; do
    oldpath="$(echo $1 | sed s/@VIMCUR@/$v/)"
    if dpkg-divert --list 2>/dev/null | grep -q "$oldpath"; then
      rm_diversion $oldpath
    fi
  done
}

# Need to run helpztags since we're overwriting /u/s/v/a/d/tags whenever
# vim-runtime is install/upgraded which breaks the help for other vim addons
if which helpztags >/dev/null 2>&1; then
  helpztags /usr/share/vim/addons/doc
fi

if [ "$1" = "configure" ]; then
  remove_previous_diversions $basedir/help.txt
  remove_previous_diversions $basedir/tags
fi



exit 0