diskimage-builder/elements/gentoo/bin/install-packages
Matthew Thode dacfc23c36
Fix building on gentoo hosts
This patch fixes the profile autodetect.  If the profile was passed at install
time, it would overridden by the environment.d script.  This was fixed by
accepting the value passed by the user, if one was passed.

The enviroment.d file is run outside of chroot, because of this eselect will
not be available on non-gentoo systems.  We change the behavior to work
elsewhere, it was not working on non-gentoo systems and giving bad results on
gentoo systems (returing values from the host, not the guest being built).

This patch also fixes shm detection by checking if it is mounted already.

Change-Id: Ie58d8e19529a731bfbc9eeb4bb246988d1aaa772
2016-02-21 22:46:13 -06:00

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#!/bin/bash
# Copyright 2016 Matthew Thode
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
if [[ "${DIB_DEBUG_TRACE:-0}" -gt 0 ]]; then
set -x
fi
set -eu
set -o pipefail
ACTION='install'
SCRIPTNAME="$(basename $0)"
function show_options {
echo "Usage: ${SCRIPTNAME} [package ...]"
echo
echo 'Options:'
echo ' -u -- update all packages'
echo ' -e -- erase/remove packages'
exit 0
}
function fix_shm {
if [[ "${RUN_ONCE_SHM}" == '1' ]]; then
if [[ -L /dev/shm.orig ]]; then
rm /dev/shm.orig
fi
if [[ -d /dev/shm.orig ]]; then
rm -Rf /dev/shm.orig
fi
mv /dev/shm /dev/shm.orig
mkdir /dev/shm
mount -t tmpfs none /dev/shm
chmod 1777 /dev/shm
RUN_ONCE_SHM='0'
fi
}
function unfix_shm {
if [[ "${RUN_ONCE_SHM}" == '0' ]]; then
umount /dev/shm
rmdir /dev/shm
mv /dev/shm.orig /dev/shm
fi
}
function install_gentoo_packages {
RUN_ONCE_SHM='1'
if ! grep -q /dev/shm /proc/mounts; then
fix_shm
emerge $@
unfix_shm
else
emerge $@
fi
}
TEMP="$(getopt -o huem: -n ${SCRIPTNAME} -- ${@})"
if [[ "${?}" != 0 ]]; then
echo 'Terminating...' >&2
exit 1
fi
eval set -- "${TEMP}"
while true; do
case "${1}" in
-u )
emerge-webrsync -q
install_gentoo_packages -uDNv --with-bdeps=y --jobs=2 @world
install_gentoo_packages --verbose=n --depclean
install_gentoo_packages -v --usepkg=n @preserved-rebuild
etc-update --automode -5
eselect news read new
exit 0;
;;
-e )
ACTION='remove'
shift
;;
-m )
MAP_ELEMENT="${2}"
shift 2
;;
-h )
show_options
;;
-- )
shift
break
;;
* )
echo "Error: unsupported option ${1}."
exit 1
;;
esac
done
PKGS="${@}"
if [[ -n "${MAP_ELEMENT:-}" ]]; then
PKGS="$(pkg-map --element ${MAP_ELEMENT} ${@})"
if [[ "${?}" != 0 ]]; then
echo "bin/pkg-map error. ${PKGS}"
exit 1
fi
fi
if [[ -z "${PKGS}" ]]; then
echo "Not running install-packages ${ACTION} with empty packages list"
else
if [[ "${ACTION}" == 'install' ]]; then
emerge-webrsync -q
install_gentoo_packages -q --jobs=2 --changed-use "${PKGS}"
elif [[ "${ACTION}" == 'remove' ]]; then
emerge-webrsync -q
install_gentoo_packages -C "${PKGS}"
else
echo 'something when really wrong, install action is not install or remove'
fi
fi