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diskimage-builder/diskimage_builder/elements/gentoo/pre-install.d/02-gentoo-03-enable-overlays
Sam James 9e0ff1f5b3 Fix various minor issues with Gentoo; make CI pass
This patch contains the known set of changes needed to make a gentoo
image build successfully.

- Standardize use of GENTOO_EMERGE_DEFAULT_OPTS, reduce duplication of
  options set there.
- Correct the cleanup commands to reflect standard Gentoo good
  practices by omitting --complete-graph, which is unneeded with --deep,
  and using --changed-use instead of --newuse to reduce unneeded package
  churn.
- Stop using deprecated layman command to manage reposiotry overlays,
  instead use new supported eselect-repository
- Set new USE flags required for LVM and installkernel. This was
  communicated via a Gentoo news item and is a required cleanup.
- Remove now-invalid skip of gpg if using musl

This is the set of changes needed to get the CI job passing and make DIB
build images at all, and we'd like to land them, but there are still
items we'd like to complete to enhance Gentoo support in DIB:
- Optional, built-in support for Gentoo binhosts -- where you can set a
  DIB_GENTOO_BINHOST=true (or similar) and have the binhost enabled by
  default.
- Make the default configuration of EMERGE_DEFAULT_OPTS more easily
  managed in a DIB-style manner, e.g. setting --quiet vs --verbose based
  on the value of DIB_DEBUG_TRACE.

Signed-Off-By: Jay Faulkner <jay@jvf.cc>
Signed-Off-By: Sam James <sam@gentoo.org>
Co-Authored-By: Sam James <sam@gentoo.org>
Change-Id: Idab82a9fa986fcc56fe4e1e1bf0445c7306b2858
2024-02-05 22:11:46 +00:00

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#!/bin/bash
if [ ${DIB_DEBUG_TRACE:-0} -gt 0 ]; then
set -x
fi
set -eu
set -o pipefail
if [[ ${GENTOO_OVERLAYS} != '' ]]; then
if mountpoint -q /dev/shm; then
echo "/dev/shm found in /proc/self/mountinfo"
elif [[ -k /dev/shm ]]; then
echo "/dev/shm exists and is stickied"
else
fix_shm
fi
if [[ ! -f ${PORTDIR}/profiles ]]; then
emerge-webrsync -q
fi
emerge ${GENTOO_EMERGE_DEFAULT_OPTS} --oneshot openssl openssh
emerge ${GENTOO_EMERGE_DEFAULT_OPTS} --oneshot eselect-repository
# enable the various overlays, ignore failures (overlay my already be enabled)
set +e
for OVERLAY in ${GENTOO_OVERLAYS}; do
eselect repository enable "${OVERLAY}"
done
set -e
unfix_shm
fi