#!/bin/sh

# $OpenBSD: fw_update.sh,v 1.6 2011/07/16 22:27:09 espie Exp $
# Copyright (c) 2011 Alexander Hall <alexander@beard.se>
#
# Permission to use, copy, modify, and distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

# This is the list of drivers we should look for
DRIVERS="acx athn bwi ipw iwi iwn malo otus pgt rsu uath ueagle upgt urtwn
	uvideo wpi"

PKG_ADD="pkg_add -D repair"

[ 0 = $(id -u) ] || { echo "${0##*/} must be run as root" >&2; exit 1; }

usage() {
	echo "usage: ${0##*/} [-v]" >&2
	exit 1
}

verbose=
while getopts 'v' s "$@" 2>&-; do
	case "$s" in
	v)	verbose=-v ;;
	*)	usage ;;
	esac
done

# No additional arguments allowed
[ $# = $(($OPTIND-1)) ] || usage

set -- $(sysctl -n kern.version | sed 's/^OpenBSD \([0-9]\.[0-9]\)\([^ ]*\).*/\1 \2/;q')

version=$1
tag=$2

[ -n "$tag" -a X"$tag" != X"-stable" ] && version=snapshots
export PKG_PATH=http://firmware.openbsd.org/firmware/$version/

installed=$(pkg_info -q)

install=
update=

for driver in $DRIVERS; do
	if print -r -- "$installed" | grep -q "^${driver}-firmware-"; then
		update="$update ${driver}-firmware"
	elif grep -q "^${driver}[0-9][0-9]* at " /var/run/dmesg.boot; then
		install="$install ${driver}-firmware"
	fi
done

[ "$install$update" ] || exit 0

# Install missing firmwares
[ "$install" ] && $PKG_ADD $verbose $install

# Update installed firmwares
[ "$update" ] && $PKG_ADD $verbose -u $update