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#!/bin/bash
if [ $(id -u) != "0" ]; then
echo "This script must be run as root" 1>&2
exit 1
fi
builddate="$(date +%Y%m%d).graphite"
builddir="build-$(date +%Y%m%d)"
cd $builddir
if [[ -z $(findmnt image/proc) ]]; then
mount -t proc none image/proc
mount --rbind /dev image/dev
mount --rbind /sys image/sys
else
echo "proc already mounted..."
fi
cd image/
cat <<HEREDOC | chroot .
eclean-dist --deep
eclean-pkg --deep
rm -rf /var/tmp/portage/*
rm -f /usr/src/linux/.tmp*
find /usr/src/linux/ -name "*.o" -exec rm -f {} \;
find /usr/src/linux/ -name "*.ko" -exec rm -f {} \;
rm -f /var/tmp/genkernel/*
rm -f /var/cache/eix/portage.eix
rm -f /var/cache/edb/mtimedb
rm -rf /var/db/repos/gentoo/*
rm -rf /var/db/repos/gentoo/.*
truncate -s 0 /var/log/*.log
truncate -s 0 /var/log/portage/elog/summary.log
rm -f /var/log/genkernel.log
history -c
history -w
HEREDOC
cd ..
umount -l image/var/cache/{binpkgs,distfiles}
umount -l image/*
mksquashfs image/ image.squashfs -b 1M -comp zstd -Xcompression-level 20
mv image.squashfs iso/image.squashfs
xorriso -as mkisofs -iso-level 3 -r -J \
-joliet-long -l -cache-inodes \
-isohybrid-mbr /usr/share/syslinux/isohdpfx.bin \
-partition_offset 16 -A "GENTOOX" \
-b isolinux/isolinux.bin -c isolinux/boot.cat \
-no-emul-boot -boot-load-size 4 -boot-info-table \
-eltorito-alt-boot -e gentoo.efimg -no-emul-boot -isohybrid-gpt-basdat \
-V "GENTOOX" -o GentooX-x86_64-$builddate.iso iso/
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