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#!/usr/bin/env bash
# Vasile needs root privileges and a proper kernel to run
kernelconfig
checkroot
prepareisox86 () {
# we really need this folder as quick as possible
mkdir -p "$isosyncdirx86"
# create an empty 20GB ext4 fs were our rootfs will stay
dd if=/dev/zero of=""$isosyncdirx86".img" bs=50M count=400
mkfs.ext4 ""$isosyncdirx86".img"
# create live iso layout
mkdir -p "$isostagingdirx86"
mkdir -p "$isobootdirx86"
mkdir -p "$isoliveosdirx86"
mkdir -p "$isosupersquashdirx86"
mkdir -p "$isolivesqfsdirx86"
# mount && copy core stage 4 image
mount -t squashfs "$chrootx86" "$isostagingdirx86"
mount -t ext4 ""$isosyncdirx86".img" "$isosyncdirx86"
rsync -aHAXr --progress "$isostagingdirx86/" "$isosyncdirx86/"
# copy kernel into cdroot
cp -avx ""$isosyncdirx86"/boot/"$isokernelnamex86"" ""$isorootdirx86"/boot/vmlinuz"
# generate live initramfs
isostartx86
isoramfsx86
isostopx86
# copy live initramfs
mv ""$isosyncdirx86"/boot/"$isoramfsname"" ""$isorootdirx86"/boot/initrd"
# configure portage && give up control for package / desktop environment installation
isostartx86
isooverlaysx86
isobuildsystemx86
isochrootx86
isostopx86
# umount rootfs before compression
umount -l "$isosyncdirx86" > /dev/null 2>&1
# move rootfs in place
mv ""$isosyncdirx86".img" "$isolivesqfsdirx86"
# squash rootfs with best compression
mksquashfs "$isosupersquashdirx86" ""$isorootdirx86"/squashfs.img" -b 1048576 -comp xz -Xdict-size 100%
# move squashed rootfs in place
mv ""$isorootdirx86"/squashfs.img" "$isoliveosdirx86"
}
bootcoreisox86 () {
# configure live bootloader
git clone https://gitlab.com/rogentos/boot-core.git "$bootcorepath"
cp -avx "$bootcorefiles" "$isorootdirx86"
}
cleanupisox86 () {
umount "$isostagingdirx86"
rm -rf "$isosyncdirx86"
rm -rf "$isostagingdirx86"
rm -rf "$bootcorepath"
rm -rf "$isosupersquashdirx86"
}
makeisox86 () {
grub2-mkrescue -o ""$releasename"-"$releasetarget"-"$releaseversion"-"$isomainarchx86".iso" "$isorootdirx86"
}
main () {
chrootchecksumx86
prepareisox86
bootcoreisox86
cleanupisox86
makeisox86
}
main
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