config() {
  NEW="$1"
  OLD="$(dirname $NEW)/$(basename $NEW .new)"
  # If there's no config file by that name, mv it over:
  if [ ! -r $OLD ]; then
    mv $NEW $OLD
  elif [ "$(cat $OLD | md5sum)" = "$(cat $NEW | md5sum)" ]; then
    # toss the redundant copy
    rm $NEW
  fi
  # Otherwise, we leave the .new copy for the admin to consider...
}

if ! getent passwd dendrite >/dev/null; then
  useradd dendrite \
    --comment 'Dendrite matrix server' \
    --user-group \
    --system \
    --home-dir /var/lib/dendrite \
    || true
fi

config etc/rc.d/rc.dendrite.new
config etc/dendrite/dendrite.yaml.new

chown root:dendrite etc/dendrite
chown dendrite:dendrite var/lib/dendrite
chown dendrite:dendrite var/log/dendrite