#!/bin/sh
#
# (C)2009, lists@nerdbynature.de
# Update OpenBSD kernel/userland
# http://openbsd.org/faq/faq5.html
# http://openbsd.org/anoncvs.html#CVSROOT
#
# TODO:
# - build as a normal user
# - update sources as root
#
CONFIG=MYCONFIG			# MYCONFIG GENERIC
BUILDDIR=$HOME/build

# unset me!
# DEBUG=echo

test -d $BUILDDIR || $DEBUG mkdir $BUILDDIR

log() {
echo "*** `date +%Y-%m-%d\ %H:%M:%S`: " "$1"
test -n "$2" -a "$2" -gt 0 && exit "$2"
}

case $1 in
	kernel)
	log "CVS update in /usr/src/sys..."
	T_BEGIN=`date +%s`
	$DEBUG cd /usr/src/sys
	$DEBUG cvs update
	T_END=`date +%s`
	log "CVS update finished after `echo $T_END - $T_BEGIN | bc -l` seconds."

	# r/o tree
	log "Building new kernel..."
	T_BEGIN=`date +%s`
	$DEBUG cd $BUILDDIR
	$DEBUG cp /usr/src/sys/arch/`machine`/conf/$CONFIG .
	$DEBUG config -s /usr/src/sys -b . $CONFIG
#	$DEBUG cd /usr/src/sys/arch/`machine`/conf
#	$DEBUG config $CONFIG
#	$DEBUG cd ../compile/$CONFIG
	log "Building new kernel (make clean)..."
	$DEBUG make clean
	log "Building new kernel (make depend)..."
	$DEBUG make depend
	log "Building new kernel (make)..."
	$DEBUG make
	log "Building new kernel (make install)..."
	$DEBUG make install
	T_END=`date +%s`
	log "Building a new kernel finished after `echo "scale=1; ( $T_END - $T_BEGIN ) / 60" | bc -l` minutes."
	;;

	userland)
	log "CVS update in /usr/src..."
	T_BEGIN=`date +%s`
	$DEBUG cd /usr/src
	$DEBUG cvs update
	T_END=`date +%s`
	log "CVS update finished after `echo $T_END - $T_BEGIN | bc -l` seconds."

	log "Building new userland..."
	T_BEGIN=`date +%s`
	$DEBUG rm -rf /usr/obj/*
	log "Building new userland (make obj)..."
	$DEBUG make obj
	$DEBUG cd /usr/src/etc
	log "Building new userland (make distrib-dirs)..."
	$DEBUG env DESTDIR=/ make distrib-dirs
	$DEBUG cd /usr/src
	log "Building new userland (make build)..."
	$DEBUG make build
	T_END=`date +%s`
	log "Building a new userland finished after `echo "scale=1; ( $T_END - $T_BEGIN ) / 60^2" | bc -l` hours."
	;;

	*)
	echo "Usage: `basename $0` [kernel|userland]"
	exit 0
	;;
esac