#!/bin/bash
#
# This script downloads the exim4 binary from Debian's package.
# It assumes "apt" is functional, which means it's not very portable, but
# given the nature of these tests that's acceptable for now.
set -e
. $(dirname ${0})/../util/lib.sh
init
# Download and extract the package in .exim-bin
apt download exim4-daemon-light
dpkg -x exim4-daemon-light_*.deb $PWD/.exim-bin/
# Create a symlink to .exim4, which is the directory we will use to store
# configuration, spool, etc.
# The configuration template will look for it here.
mkdir -p .exim4
ln -sf $PWD/.exim-bin/usr/sbin/exim4 .exim4/
# Remove the setuid bit, if there is one - we don't need it and may cause
# confusion and/or security troubles.
chmod -s .exim-bin/usr/sbin/exim4
success