#!/bin/bash
set -e

update-alternatives --install /usr/bin/ex ex /usr/bin/nex 20 \
  --slave /usr/share/man/man1/ex.1.gz ex.1.gz /usr/share/man/man1/nex.1.gz
update-alternatives --install /usr/bin/vi vi /usr/bin/nvi 20 \
  --slave /usr/share/man/man1/vi.1.gz vi.1.gz /usr/share/man/man1/nvi.1.gz
update-alternatives --install /usr/bin/view view /usr/bin/nview 20 \
  --slave /usr/share/man/man1/view.1.gz view.1.gz /usr/share/man/man1/nview.1.gz

update-alternatives --install /usr/bin/editor editor /usr/bin/nvi 19 \
  --slave /usr/share/man/man1/editor.1.gz editor.1.gz /usr/share/man/man1/nvi.1.gz

if [ $1 = "configure" ] ; then
    if [[ -L /var/tmp/vi.recover || \
	  -e /var/tmp/vi.recover && ! -d /var/tmp/vi.recover ]]; then
      echo "Cannot create recovery directory /var/tmp/vi.recover" 1>&2
      exit 1
    fi
    [ -d /var/tmp/vi.recover ] || mkdir -p /var/tmp/vi.recover
    chown root:root /var/tmp/vi.recover
    chmod 1777 /var/tmp/vi.recover
fi

#DEBHELPER#

exit 0
