#! /bin/sh

set -e

update-alternatives --install /usr/share/dict/words dictionary \
                              /usr/share/dict/american-english 50

OLDLANG=/usr/dict/english
NEWLANG=/usr/share/dict/american-english

if test -h /etc/dictionary; then

  dict="$(perl -e 'print readlink "/etc/dictionary"')"
  newdict="$(perl -e 'print readlink "/etc/alternatives/dictionary"')"

  if test "$dict" = "$OLDLANG" -o "$dict" = "..$OLDLANG"; then

    if ! test "$newdict" = "$NEWLANG"; then
      echo "Forcing new symlink /etc/alternatives/dictionary to point"
      echo "to $NEWLANG..."
      update-alternatives --install /usr/share/dict/words dictionary / 1000 >/dev/null
      ln -snf $NEWLANG /etc/alternatives/dictionary
      update-alternatives --remove dictionary /
    fi

    echo "Cleaning up old symlink /etc/dictionary -> $dict..."
    rm -f /etc/dictionary
  fi

fi