mkiso

#!/bin/bash

set -e

#Prereqs
pkgr -i dosfstools cpio squashfs-tools xorriso mtools grub &> /dev/null

#Current options: core, mate, xfce4, enlightenment, kde, everything
export NOOP_ISO_CREATE=$1

#Yes this is bad, but ISO creation is done in a VM anyways.
cd /root

if [ -e iso-fs ];
then
	umount iso-fs/dev iso-fs/sys iso-fs/proc || true
fi

if [ -z "$KEEP" ]; then
	rm -rf iso iso-fs efs
else
	rm -rf iso/root.sqsh
fi
mkdir -p iso iso-fs efs


#Initramfs
/var/noop/initramfs/mkinitramfs-live

#Instlr
/var/noop/instlr /root/iso-fs $2

umount iso-fs/dev iso-fs/sys iso-fs/proc;

#Install grub to iso, fails on encrypted drives, doesn't matter though.
grub-install \
	--boot-directory=/root/iso/boot \
	--no-bootsector \
	--no-rs-codes \
	--target=i386-pc \
	--skip-fs-probe \
	--no-nvram \
	/dev/zero || true

#Create fat partition image, 30MB
dd if=/dev/zero of=/root/iso/boot/efs.img bs=1024 count=30720
mkfs.fat /root/iso/boot/efs.img
mount /root/iso/boot/efs.img /root/efs

#Get grub config
cp /var/noop/etc/iso-grub.cfg /root/iso/boot/grub/grub.cfg

#Copy initrd
cp noop-initramfs-live.igz /root/iso/boot
mv noop-initramfs-live.igz /root/efs/

#Copy kernel
cp -r /root/iso-fs/boot/vmlinuz /root/iso/boot/vmlinuz
cp -r /root/iso-fs/boot/vmlinuz /root/efs/vmlinuz.efi

#Copy systemd-boot (gummiboot)
mkdir -p /root/efs/EFI/boot/
cp /usr/lib/systemd/boot/efi/systemd-bootx64.efi /root/efs/EFI/boot/bootx64.efi

#Create initial grub config
rm -rf init.grub.config
for i in part_acorn part_amiga part_apple part_bsd part_dfly part_dvh part_gpt part_msdos part_plan part_sun part_sunpc;
do
	echo "insmod $i" >> init.grub.config
done

#Create loader for systemd-boot
mkdir -p /root/efs/loader/entries
echo "timeout 3" >> /root/efs/loader/loader.conf
echo "default noop-live*" >> /root/efs/loader/loader.conf
echo "title      noop live" >> /root/efs/loader/entries/noop-live.conf
echo "linux      /vmlinuz.efi" >> /root/efs/loader/entries/noop-live.conf
echo "initrd     /noop-initramfs-live.igz" >> /root/efs/loader/entries/noop-live.conf

umount /root/efs
if [ "$NOOP_ISO_CREATE" == "enlightenment" ];
then
	pushd /root/iso-fs/home/livecd
	wget http://www.nooplinux.org/dist/enlightenemnt-livecd-home.tar.xz
	tar xf enlightenemnt-livecd-home.tar.xz && rm enlightenemnt-livecd-home.tar.xz
	popd

fi

cd /root/iso-fs
rm -rf tmp/*
mksquashfs * ../iso/root.sqsh
cd .. 


grub-mkimage \
	--directory '/usr/lib/grub/i386-pc' \
	--prefix '/boot/grub' \
	--output '/root/iso/boot/grub/i386-pc/eltorito.img' \
	--format 'i386-pc-eltorito' \
	--compression 'auto'  \
	--config '/root/init.grub.config' 'biosdisk' 'iso9660'

NAME_DATE=`date +%Y%m%d`

if [ -e "$1" ]; then
    iso_name=custom
else
    iso_name=$1
fi

xorriso -as mkisofs \
	-graft-points \
	-b boot/grub/i386-pc/eltorito.img \
	-no-emul-boot \
	-boot-load-size 4 \
	-boot-info-table \
	--grub2-boot-info \
	--grub2-mbr /usr/lib/grub/i386-pc/boot_hybrid.img \
	-apm-block-size 2048 \
	--efi-boot boot/efs.img \
	-efi-boot-part \
	--efi-boot-image \
	--protective-msdos-label \
	-o "noop-${iso_name}-${NAME_DATE}${2}.iso" \
	-rational-rock \
	--sort-weight 0 / --sort-weight 1 /boot \
	iso


rm init.grub.config
rm -r efs