root/morphix/trunk/morph-scripts/convert_to_boot.img.sh

#!/bin/bash
#
# First Draft - Lots of thing to clean up, but lets get it working first.....
# Version: 1.1.1.1 Dates 2004-11-04
#
# Copyright (c) 2004, Brendan M. Sleight <bmsleight@morphix._REMOVE_SPAM_TRAP.org> 
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2, or (at your option)
# any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; see the file COPYING.  If not, write to
# the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
#

TEMPDIR="$1"
STARTISO="$2"
FINISHISO="$3"

if [ -z "$TEMPDIR" -o -z "$STARTISO" -o -z "$FINISHISO" ]; then
    echo "Usage: $0 tmpdirectory starting.iso destination.iso"
    echo
    echo "e.g. $0 /tmp/ /mnt/hda5/lunix.iso/MorphixBase-0.5-pre2.iso /mnt/hda5/lunix.iso/MorphixTestConvert2.iso"
    echo
    echo "This script generates a new iso, with boot.img"
    echo "based upon a iso with an uncompressed /boot"
    echo
    echo "In other words, Morphix_0.5 -> an iso with boot.img"
    echo "Disk space is required to store a new iso"
    echo "Requires GRUB to be installed"
    echo
    exit
fi

# Set up the working directories ....
mkdir $TEMPDIR/convert_morphix_base
mkdir $TEMPDIR/convert_morphix_base/base
mkdir $TEMPDIR/convert_morphix_base/iso
mkdir $TEMPDIR/convert_morphix_base/boot
mkdir $TEMPDIR/convert_morphix_base/misc

#Mount the old iso so that we can extract the boot files..
mount $STARTISO $TEMPDIR/convert_morphix_base/iso -o loop

# Make a new floopy image, with file-system and mount it for writing
dd if=/dev/zero of=$TEMPDIR/convert_morphix_base/base/boot.img bs=1k count=2880
#mke2fs -F /tmp/convert_morphix_base/base/boot.img
#mkfs.vfat -F /tmp/convert_morphix_base/base/boot.img
# Tried all of the above, boot.img from 0-4-1d is vfat
mkfs.msdos -C $TEMPDIR/convert_morphix_base/base/boot.img 2880
mount $TEMPDIR/convert_morphix_base/base/boot.img $TEMPDIR/convert_morphix_base/boot -o loop

#Create the grub directories 
mkdir $TEMPDIR/convert_morphix_base/boot/boot
mkdir $TEMPDIR/convert_morphix_base/boot/boot/grub

#This is where grub is on my system
#  /usr/local/share/grub/i386-pc/
#  /boot/grub
GRUB_LOCATE=/boot/grub
cp $GRUB_LOCATE/stage1 $TEMPDIR/convert_morphix_base/boot/boot/grub
cp $GRUB_LOCATE/stage2 $TEMPDIR/convert_morphix_base/boot/boot/grub
# The following line appears to make no difference. Also stage 1_5 is not in 0.4-1d boot.img
# cp /usr/local/share/grub/i386-pc/e2fs_stage1_5 /tmp/convert_morphix_base/boot/boot/grub/


# Copy the files across.
cp $TEMPDIR/convert_morphix_base/iso/boot/miniroot.gz       $TEMPDIR/convert_morphix_base/boot/boot/
cp $TEMPDIR/convert_morphix_base/iso/boot/vmlinuz           $TEMPDIR/convert_morphix_base/boot/boot/
#cp /tmp/convert_morphix_base/iso/boot/grub/             /tmp/convert_morphix_base/boot/boot/ -R
# OK Anyone know how to do bash string or statements ?
for i in $(ls /tmp/convert_morphix_base/iso/boot/grub/);
do
  if   [ "$i" == "stage1" ] 
  then
        echo "Not copying file: $i"
  elif [ "$i" == "stage2" ] 
  then
        echo "Not copying file: $i"
  elif [ "$i" == "iso9660_stage1_5" ] 
  then
        echo "Not copying file: $i"
  else
        cp $TEMPDIR/convert_morphix_base/iso/boot/grub/$i             $TEMPDIR/convert_morphix_base/boot/boot/grub/  2>/dev/null
  fi
done


# Will run out of space for text.*
# Note, we have not copied memtest - tough not enough space.
# We need to make new grub index lst files. Replace line of (cd) with (fd0)
# sed -e 's/(cd)/(fd0)/g' $TEMPDIR/convert_morphix_base/iso/boot/grub/menu.lst > $TEMPDIR/convert_morphix_base/boot/boot/grub/menu.lst
for i in $(ls $TEMPDIR/convert_morphix_base/iso/boot/grub/*.lst);
do
    BASENAME=${i##*/}
    sed -e 's/(cd)/(fd0)/g' $TEMPDIR/convert_morphix_base/iso/boot/grub/$BASENAME > $TEMPDIR/convert_morphix_base/boot/boot/grub/$BASENAME
done

for i in $(ls $TEMPDIR/convert_morphix_base/iso/boot/grub/texts.*);
do
    BASENAME=${i##*/}
    sed -e 's/(cd)/(fd0)/g' $TEMPDIR/convert_morphix_base/iso/boot/grub/$BASENAME > $TEMPDIR/convert_morphix_base/boot/boot/grub/$BASENAME
done

# Finished making the boot.img, unmounting
umount $TEMPDIR/convert_morphix_base/base/boot.img

#Write the GRUB to the boot.img
echo "device (fd0) $TEMPDIR/convert_morphix_base/base/boot.img " > $TEMPDIR/convert_morphix_base/misc/grub_commands
echo "root (fd0)"                                               >> $TEMPDIR/convert_morphix_base/misc/grub_commands
echo "setup (fd0) "                                             >> $TEMPDIR/convert_morphix_base/misc/grub_commands
echo "quit"                                                     >> $TEMPDIR/convert_morphix_base/misc/grub_commands
cat $TEMPDIR/convert_morphix_base/misc/grub_commands | grub --batch 

#Write the new Iso with out having to copy ans extract the whole cd! (I like this command, note the -graft-points.)
mkisofs -graft-points -pad -l -r -J -v -V "Morphix LiveCD" -b base/boot.img -c base/boot.cat -hide -rr -moved -o  $FINISHISO $TEMPDIR/convert_morphix_base/iso /base/=$TEMPDIR/convert_morphix_base/base/

umount $STARTISO

#Clean-up
rm $TEMPDIR/convert_morphix_base/ -R