#!/bin/sh

# COLORS
BLUE='\e[0;34m'
RED='\e[1;31m'
GREEN='\e[1;32m'
YELLOW='\e[1;33m'

NC='\e[0m'


# FUNCTIONS
function usage()
{
    echo "kadu_modrebuild version 1.0 written by Marcin O'BenY Benka <obeny@obeny.net> 2007"
    echo
    echo "USAGE: kadu_modrebuild [-p|-e] [LIST_OF_MODULES]"
    echo "       LIST_OF_MODULES - optional list of modules to rebuild, if not given"
    echo "	   rebuilds all currently installed"
    echo "       -e - use emerge"
    echo "       -p - use paludis"
    echo
    echo "NOTE:  you have to run this script as ROOT user!"
}

function vsleep()
{
    SEC=0
    
    while [ ${SEC} -lt ${1} ]
    do
	SEC=$((SEC+1))
	echo -n "${SEC}..."
	sleep 1
    done
    echo
}

# MAIN SCRIPT
if test `whoami` != "root" -o $# = 0
then
    usage
    exit
fi

while getopts "eph" OPTION
do
    case ${OPTION} in
    	"e")	OPT_EMERGE=1;;
    	"p")	OPT_PALUDIS=1;;

	"h")    usage
		exit;;

	"?")    exit 1;;
    esac
done

MODULES="`find /usr/lib/kadu/modules -maxdepth 1 -type f 2>/dev/null | grep "\.so$" | sed "s%.*/\(.*\)\.so$%kadu-\1%g" | sort | xargs`"
MODULES_FAILED=""

if [ ${OPT_EMERGE} ]
then
    CMD_INS="emerge --oneshot -u"
    CMD_REM="emerge -C"
elif [ ${OPT_PALUDIS} ]
then
    CMD_INS="paludis -i"
    CMD_REM="paludis -u"
fi

if [ "${MODULES}" ]
then
    echo -e "${YELLOW}WARNING:${NC} Interrupting rebuilding process may cause that all kadu modules will be removed!"
    echo
    echo -e "Rebuilding following Kadu modules: ${BLUE}${MODULES}${NC}"
    vsleep 5
	
    ${CMD_REM} ${MODULES}
	
    for I in ${MODULES}
    do
	${CMD_INS} ${I}
	if [ $? != 0 ]
	then
	    MODULES_FAILED="${MODULES_FAILED} ${I}"
	fi
    done
	
    if [ ! -z ${MODULES_FAILED} ]
    then
	echo -e "${YELLOW}WARNING:${NC} Modules that installation failed: ${RED}${MODULES_FAILED}${NC}"
    else
	echo -e "${GREEN}OK:${NC} All done ;-)"
    fi
else
    echo -e "${YELLOW}WARNING:${NC} Nothing to do!"
fi