diskimage-builder/diskimage_builder/elements/gentoo/pre-install.d/02-gentoo-02-flags

#!/bin/bash

if [ ${DIB_DEBUG_TRACE:-0} -gt 0 ]; then
    set -x
fi
set -eu
set -o pipefail

# get the directories in order
mkdir -p /etc/portage/profile
mkdir -p /etc/portage/package.keywords
mkdir -p /etc/portage/package.mask
mkdir -p /etc/portage/package.unmask
mkdir -p /etc/portage/package.use

# needed in order to install pip packages as root
echo 'dev-python/pip vanilla' >> /etc/portage/package.use/pip
# needed to create disk images
echo 'sys-fs/lvm2 -thin' >> /etc/portage/package.use/grub
echo 'sys-boot/grub device-mapper' >> /etc/portage/package.use/grub

# needed in order to install pip packages as root
echo '=dev-python/pip-9.0.1-r2 ~amd64' >> /etc/portage/package.keywords/pip