#!/bin/sh
#
# Local version: 0.9.1
# Copyright (c) 2008 Peter Kuyarov, All rights reserved
#	Thu Feb 21 08:20:52 MST 2008
# script to automate build/install kernel/world
# scripts@pknet.net
#
# all work is done at end of file, first are all functions
#   type 'buildworld.sh help' for usage info
#
# scripts@pknet.net
# http://peterk.org/scripts/
#

export PATH=/sbin:/bin:/usr/sbin:/usr/bin:/usr/games:/usr/local/sbin:/usr/local/bin:/usr/X11R6/bin:/usr/local/vpopmail/bin:/root/bin

#
# user configurable variables
# default kernel config file is hostname but in all caps
# default [kernel=`hostname -s | tr '[a-z;]' '[A-Z.]'`]
#
kernel=`hostname -s | tr '[a-z;]' '[A-Z.]'`
#
#build stuff faster
# default [makecmd='make -j4']
#
makecmd='make -j4'
#
# log file of build status
# default [/var/log/buildworld_log]
#
buildworld_log=/var/log/buildworld.log
#
# end user configurable variables
#

#functions for buildworld
help() {
	printf "Usage:\n"
	printf " buildworld.sh [and one or more of the following options:] \n"
	printf "  rmobj\n"
	printf "  buildworld [does NOT rmobj]\n"
	printf "  buildkernel\n"
	printf "  installkernel\n"
	printf "  installworld\n"
	printf "  buildall [build world and kernel-does rmobj]\n"
	printf "  installall [install kernel and world]\n"
	printf " If using more than one option, they should be in order\n"
	exit 1
}

warning_msg() {
	echo "$1"
   echo "Press ctrl+c to cancel"
   count=5
   while [ $count -gt 0 ]
   do
      printf " $count "
      count=$(($count-1))
      sleep 1
   done
   printf " 0 \n"
}

rmobj() {
cd /usr/obj && \
touch /usr/obj/JUNK && \
rm -rf /usr/obj/* && \
echo RMOBJ - `date` >> $buildworld_log
}

buildworld() {
if [ `ls /usr/obj | wc -l` -gt 0 ]
then
 warning_msg "
Appears /usr/obj has objects
You should probably do 'rmobj' first"
fi
cd /usr/src && \
$makecmd buildworld && \
echo BUILD - `date` >> $buildworld_log
}

buildkernel() {
cd /usr/src && \
$makecmd buildkernel KERNCONF=$kernel && \
echo BKERNEL - `date`>>$buildworld_log
}

installkernel() {
cd /usr/src && \
$makecmd installkernel KERNCONF=$kernel && \
echo IKERNEL -`date`>>$buildworld_log
}

installworld() {
cd /usr/src && \
$makecmd installworld && \
echo INSTALL - `date` >> $buildworld_log
}

buildall() {
	rmobj
	buildworld
	buildkernel
}

installall() {
	installkernel
	installworld
}

# test arguments, do work
if [ $# -lt 1 ]
then
	help
fi
if [ $# -gt 0 ]
then
	$1 && $2 && $3 && $4 && $5 || ( printf "\nError - '$0 $*' failed\n"; help )
fi