FreeBSD/Extract ISO Images For PXE Boot

#!/usr/local/bin/bash
#Copyright (C) 2009, Tom Judge
# ----------------------------------------------------------------------------
# "THE BEER-WARE LICENSE" (Revision 42):
# <tom@tomjudge.com> wrote this file. As long as you retain this notice you
# can do whatever you want with this stuff. If we meet some day, and you think
# this stuff is worth it, you can buy me a beer in return Tom Judge.
# ----------------------------------------------------------------------------
 
## Base of where the images are to be extracted to
DATADIR=$1
 
## Directory containing ISO's to be extracted
ISODIR=$2
 
## Mountpoint to use during extraction
MOUNTPOINT=$3
 
echo "Source ISO's DIR: ${ISODIR}"
echo "Destination DIR: ${DATADIR}"
echo "ISO Mount Point: ${MOUNTPOINT}"
echo
 
for ISO in `ls -1 ${ISODIR}/*.iso`; do
    echo
    echo "Starting Processing of: ${ISO}"
    echo
 
    ## Setup Vars used for processing
    BASENAME=`basename -s .iso ${ISO}`
    RELEASE=`echo ${BASENAME} | cut -d - -f1`
    ARCH=`echo ${BASENAME} | cut -d - -f3`
    RELEASEBASE=${DATADIR}/${RELEASE}/${ARCH}
 
    echo "FreeBSD Release: ${RELEASE} - Architechture: ${ARCH}"
    echo "Creating install base dir: ${RELEASEBASE} and directory structure."
 
    mkdir -p ${RELEASEBASE}
    mkdir ${RELEASEBASE}/install
    mkdir ${RELEASEBASE}/pxe
 
    echo -n "Creating ISO MD Interface: "
    MDDEV=`mdconfig -a -t vnode -f ${ISO}`
 
    echo "Mounting ${MDDEV} on ${MOUNTPOINT}"
    mount -t cd9660 /dev/${MDDEV} ${MOUNTPOINT}
 
    echo "Rsyncing iso into: ${RELEASEBASE}/install"
    cd ${MOUNTPOINT}
    rsync -a . ${RELEASEBASE}/install/
    cd -
 
    echo "Unmounting ${MOUNTPOINT}"
    umount ${MOUNTPOINT}
 
    echo "Destroying ISO MD Interface: ${MDDEV}"
    mdconfig -d -u ${MDDEV}
 
    ## Uncompress the MFS root image so that loader does not choke
    echo "Uncompressing mfsroot"
    cd ${RELEASEBASE}/install/boot
    gunzip -f mfsroot.gz
 
    echo "Copying boot into PXE Root"
    cd ${RELEASEBASE}/install/boot
    cp boot boot0 boot1 boot2 cdboot device.hints gptboot loader pmbr pxeboot mfsroot ${RELEASEBASE}/pxe/boot
    cp -r kernel ${RELEASEBASE}/pxe/boot
    cp -r firmware ${RELEASEBASE}/pxe/boot
    cp -r modules ${RELEASEBASE}/pxe/boot
    cp -r zfs ${RELEASEBASE}/pxe/boot
    cd -
    echo
    echo "Finished Processing of: ${ISO}"
    echo
done