#!/bin/bash

set -e

BLACKLIST=/etc/modprobe.d/broadcom-sta-dkms.conf
ID_LIST=/usr/share/broadcom-sta/broadcom-sta.ids

# Checking if package is installed
[ -e /var/lib/dpkg/info/broadcom-sta-dkms.list ] || exit 0

# without lspci this won't work
[ -x /usr/bin/lspci ] || exit 0

echo -n " broadcom-sta-dkms"

# search for devices of pci class "network controller" subclass "network controller"
_DEVICE="$(lspci -mn | awk '$2 == "\"0280\"" { gsub ("\"",""); print $3$4 }' | uniq)"

if grep -qis "^[[:space:]]*${_DEVICE}[[:space:]]*$" ${ID_LIST}
then
	# uncomment all blacklist entries, remove wl blacklist
	sed -i -e 's/^ *# *blacklist/blacklist/' -e 's/^ *blacklist wl *$//' ${BLACKLIST}
else
	# comment out all blacklist entries, blacklist wl
	sed -i -e 's/^ *blacklist/# blacklist/' -e 's/^ *# *blacklist wl *$/blacklist wl/' ${BLACKLIST}
    
	# add blacklist for wl if not present
	if ! grep -q '^ *blacklist wl *' ${BLACKLIST}
	then
		echo "blacklist wl" >> ${BLACKLIST}
	fi
fi