minimal/src/14_generate_iso.sh

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#!/bin/sh
set -e
# Load common properties and functions in the current script.
. ./common.sh
# Generate ISO image for UEFI based systems.
uefi() {
cd $ISOIMAGE
# Now we generate 'hybrid' ISO image file which can also be used on
# USB flash drive, e.g. 'dd if=minimal_linux_live.iso of=/dev/sdb'.
xorriso -as mkisofs \
-isohybrid-mbr $WORK_DIR/syslinux/syslinux-*/bios/mbr/isohdpfx.bin \
-c boot.cat \
-e boot/uefi.img \
-no-emul-boot \
-isohybrid-gpt-basdat \
-o $SRC_DIR/minimal_linux_live.iso \
$ISOIMAGE
}
# Generate ISO image for BIOS based systems.
bios() {
cd $ISOIMAGE
# Now we generate 'hybrid' ISO image file which can also be used on
# USB flash drive, e.g. 'dd if=minimal_linux_live.iso of=/dev/sdb'.
xorriso -as mkisofs \
-isohybrid-mbr $WORK_DIR/syslinux/syslinux-*/bios/mbr/isohdpfx.bin \
-c boot/syslinux/boot.cat \
-b boot/syslinux/isolinux.bin \
-no-emul-boot \
-boot-load-size 4 \
-boot-info-table \
-o $SRC_DIR/minimal_linux_live.iso \
$ISOIMAGE
}
# Generate ISO image for both BIOS and UEFI based systems.
both() {
cd $ISOIMAGE
xorriso -as mkisofs \
-isohybrid-mbr $WORK_DIR/syslinux/syslinux-*/bios/mbr/isohdpfx.bin \
-c boot/syslinux/boot.cat \
-b boot/syslinux/isolinux.bin \
-no-emul-boot \
-boot-load-size 4 \
-boot-info-table \
-eltorito-alt-boot \
-e boot/uefi.img \
-no-emul-boot \
-isohybrid-gpt-basdat \
-o $SRC_DIR/minimal_linux_live.iso \
$ISOIMAGE
}
echo "*** GENERATE ISO BEGIN ***"
if [ ! -d $ISOIMAGE ] ; then
echo "Cannot locate ISO image work folder. Cannot continue."
exit 1
fi
# Read the 'FIRMWARE_TYPE' property from '.config'
FIRMWARE_TYPE=`read_property FIRMWARE_TYPE`
echo "Firmware type is '$FIRMWARE_TYPE'."
case $FIRMWARE_TYPE in
bios)
bios
;;
uefi)
uefi
;;
both)
both
;;
*)
echo "Firmware type '$FIRMWARE_TYPE' is not recognized. Cannot continue."
exit 1
;;
esac
cd $SRC_DIR
cat << CEOF
#################################################################
# #
# ISO image file 'minimal_linux_live.iso' has been generated. #
# #
#################################################################
CEOF
echo "*** GENERATE ISO END ***"