#!/bin/zsh

if grep -qs '/media/dock' /proc/mounts; then
  mkdir /media/dock/tmp
  chmod 777 /media/dock/tmp
else
  echo "External disk not mounted, exiting."
  exit
fi
cd /usr
rsync -avv portage/ portage_/
umount portage
rm portage.squashfs
mv portage_ portage
perl-cleaner --reallyall
python-updater
emaint --check all
emaint --fix all
emerge --sync
emerge -avuDN --with-bdeps y --keep-going world
echo "-------------------------"
read p\?"press enter to continue... "
etc-update
emerge -av --depclean
revdep-rebuild
eclean -d distfiles
localepurge
mksquashfs portage portage.squashfs -comp xz
rm -rf /usr/portage
mkdir /usr/portage
mount portage
rm -r /media/dock/tmp