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.accept_keywords
if [ -f /etc/portage/package.keywords ]; then
    mv /etc/portage/package.keywords /etc/portage/package.accept_keywords/prebuilt-1
fi
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.accept_keywords/pip
# needed to install static kernel
echo '~sys-apps/debianutils-4.9.1 ~amd64' >> /etc/portage/package.accept_keywords/kernel
echo 'sys-kernel/installkernel-gentoo ~amd64' >> /etc/portage/package.accept_keywords/kernel
echo 'sys-kernel/gentoo-kernel-bin ~amd64' >> /etc/portage/package.accept_keywords/kernel

# needed for sfdisk to work
echo '~sys-apps/util-linux-2.35.2 ~amd64  # sfdisk growpart fix' >> /etc/portage/package.accept_keywords/util-linux

if [[ "${GENTOO_PROFILE}" == *"systemd"* ]]; then
    # systemd import-tar is broken, use a more recent (fixed) version
    echo '~sys-apps/systemd-241 ~amd64' >> /etc/portage/package.accept_keywords/systemd
fi

if [[ "${GENTOO_PROFILE}" == *"musl"* ]]; then
    echo "dev-vcs/git -gpg" >> /etc/portage/package.use/musl  # gpg doesn't build on musl profiles
    echo "=sys-block/open-iscsi-2.0.874-r1 ~amd64" >> /etc/portage/package.accept_keywords/musl
    echo "=sys-block/open-isns-0.97 ~amd64" >> /etc/portage/package.accept_keywords/musl
    echo "sys-libs/pam cracklib" >> /etc/portage/package.use/musl
fi