setup_batman.sh

setup_batman_dkms() {
  if [ $(uname -r | awk '$1 > "4.19"' | wc -l ) -lt 1 ]; then
    apt-get -y install linux-headers
    # batman-adv-dkms haengt von linux-headers-generic ab, das gibt es auf Debian nicht
    if ! dpkg -l equivs >/dev/null 2>&1; then
      apt-get install equivs
    fi
    if ! dpkg -l linux-headers-generic | grep -qw $(uname -r); then
      TMPDIR=$(mktemp -d)
      equivs-control $TMPDIR/linux-headers-generic
      sed -i '
        s/^Package:.*/Package: linux-headers-generic/
        s/^# Version:.*/Version: '"$(uname -r)"'/
        s/^# Maintainer:.*/Maintainer: ffs-make-gateway <freifunk@lihas.de>/
        /^Description/,$d
      ' $TMPDIR/linux-headers-generic
      cat <<EOF >>$TMPDIR/linux-headers-generic
Description: linux-headers-generic translation package
 linux-headers-generic translation package for batman-adv-dkms
EOF
      equivs-build $TMPDIR/linux-headers-generic
      dpkg -i linux-headers-generic_$(uname -r)_all.deb
      rm -rf "$TMPDIR"
    fi
    apt-get -y install batman-adv-dkms
  fi
}

setup_batman_names() {
  for gw in $(seq 1 $GWS); do
  for subgw in $(seq 0 9); do
    ensureline "$(printf '02:00:38:00:%02i:%02i mgw%02ii%02i\n' $gw $subgw $gw $subgw)" /etc/bat-hosts
    ensureline "$(printf '02:00:37:00:%02i:%02i vgw%02ii%02i\n' $gw $subgw $gw $subgw)" /etc/bat-hosts
    for seg in $SEGMENTLIST; do
      seg=${seg##0}
      ensureline "$(printf '02:00:38:%02i:%02i:%02i mgw%02ii%02i-%i' $seg $gw $subgw $gw $subgw $seg)" /etc/bat-hosts
      ensureline "$(printf '02:00:37:%02i:%02i:%02i vgw%02ii%02i-%i' $seg $gw $subgw $gw $subgw $seg)" /etc/bat-hosts
    done
  done
  done
}