source: client/shared/scripts/updateBootCache @ 82ed0eb

#!/bin/bash

#/**
#         updateBootCache
#@brief   acelerador arranque pxe. incorpora a la cache el initrd y el kernel.
#@param 1 
#@param ejemplo:  
#@return  
#@exception OG_ERR_FORMAT     formato incorrecto.
#@note   
#@todo: 
#@version 1.0.1 - requiere el gestor de arranque grub2dos
#@author  Antonio J. Doblas Viso. Universidad de Malaga.
#@date    2010/07/27
#@author Irina Gómez. ETSII Universidad de Sevilla
#@version 1.1.0 - Permite varios ogLive dentro de subdirectorios
#@date    2017/04/27
#*/ ##

OGLIVEDIR=${oglivedir:-"ogclient"}
OGBTFTP="/opt/oglive/tftpboot/$OGLIVEDIR"
ogMountCache || exit 1

[ -d $OGCAC/boot ] || mkdir -p $OGCAC/boot 
        
        # comparamos los del server
        SERVERVMLINUZ=`cat ${OGBTFTP}/ogvmlinuz.sum`
        SERVERINITRD=`cat  ${OGBTFTP}/oginitrd.img.sum`
        
        #comparamos los de la cache
        CACHEVMLINUZ=`cat ${OGCAC}/boot/ogvmlinuz.sum`
        CACHEINITRD=`cat  ${OGCAC}/boot/oginitrd.img.sum`
        
        echo "MD5 on SERVER: $SERVERVMLINUZ $SERVERINITRD"
        echo "MD5  on CACHE: $CACHEVMLINUZ $CACHEINITRD"
        

        if [ "$CACHEVMLINUZ" != "$SERVERVMLINUZ" ]
        then            
                echo "ogvmlinuz updating"
                cp ${OGBTFTP}/ogvmlinuz ${OGCAC}/boot/ogvmlinuz
                cp ${OGBTFTP}/ogvmlinuz.sum ${OGCAC}/boot/ogvmlinuz.sum
                DOREBOOT=true
        fi
        if [ "$CACHEINITRD" != "$SERVERINITRD" ]
        then
                echo "oginitrd updating"
                cp ${OGBTFTP}/oginitrd.img ${OGCAC}/boot/oginitrd.img
                cp ${OGBTFTP}/oginitrd.img.sum ${OGCAC}/boot/oginitrd.img.sum
                DOREBOOT=true
        fi

echo $DOREBOOT
#       [ "$DOREBOOT" == "true" ] && busybox reboot -f

#TODO: Comprobar si es necesario
#cp -prv cp ${OGBTFTP}/ ${OGCAC}/boot/

#TODO
#/opt/opengnsys/lib/grub4dos/bootlace.com /dev/sda