source: vbox/trunk/src/VBox/Devices/PC/Etherboot-src/util/genliso@ 26302

#!/bin/bash
#
# Generate a legacy floppy emulation ISO boot image
#
# genliso foo.liso foo.zlilo
#
# the ISO image is the first argument so that a list of .zlilo images
# to include can be specified
#
case $0 in
*genliso)
        ;;
*genfdimg)
        genfdimg=1
        ;;
esac
case $# in
0|1)
        echo Usage: $0 foo.liso foo.zlilo ...
        exit 1
        ;;
esac
case "`mtools -V`" in
Mtools\ version\ 3.9.9*|Mtools\ version\ 4.*)
        ;;
*)
        echo Mtools version 3.9.9 or later is required
        exit 1
        ;;
esac
out=$1
shift
dir=bin/liso.dir
mkdir -p $dir
case "$genfdimg" in
1)
        img=$out
        ;;
*)
        img=$dir/boot.img
        ;;
esac
mformat -f 1440 -C -i $img ::
cfg=bin/syslinux.cfg
cat > $cfg <<EOF
# These default options can be changed in the genliso script
SAY Etherboot ISO boot image generated by genliso
TIMEOUT 30
EOF
first=
for f
do
        if [ ! -r $f ]
        then
                echo $f does not exist, skipping 1>&2
                continue
        fi
        # shorten name for 8.3 filesystem
        b=$(basename $f)
        g=${b%.zlilo}
        g=${g//[^a-z0-9]}
        g=${g:0:8}.zli
        case "$first" in
        "")
                echo DEFAULT $g
                ;;
        esac
        first=$g
        echo LABEL $b
        echo "" KERNEL $g
        mcopy -m -i $img $f ::$g
done >> $cfg
mcopy -i $img $cfg ::syslinux.cfg
if ! syslinux $img
then
        exit 1
fi
case "$genfdimg" in
1)
        ;;
*)
        mkisofs -o $out -c boot.cat -b boot.img $dir
        ;;
esac
rm -fr $dir