diskimage-builder/elements/gentoo/bin/install-packages
Matthew Thode c3a036e54f
Update portage only if needed
Currently we update portage whenever we could need it.  Instead we
should update portage only if we actually need to.  This update adds a
check to do so.

Change-Id: Ifdb27fd844b0b3a169ced945ac7ee0ddc235e9ec
2016-08-22 07:14:25 -05:00

139 lines
3.4 KiB
Bash
Executable file

#!/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
emerge $@
elif [[ -k /dev/shm ]]; then
emerge $@
else
fix_shm
emerge $@
unfix_shm
fi
}
TEMP="$(getopt -o huem: -n ${SCRIPTNAME} -- ${@})"
if [[ "${?}" != 0 ]]; then
echo 'Terminating...' >&2
exit 1
fi
eval set -- "${TEMP}"
while true; do
case "${1}" in
-u )
if [[ ! -f /usr/portage/profiles ]]; then
emerge-webrsync -q
fi
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
if [[ ! -f /usr/portage/profiles ]]; then
emerge-webrsync -q
fi
install_gentoo_packages -q --jobs=2 --changed-use "${PKGS}"
elif [[ "${ACTION}" == 'remove' ]]; then
if [[ ! -f /usr/portage/profiles ]]; then
emerge-webrsync -q
fi
install_gentoo_packages -C "${PKGS}"
else
echo 'something when really wrong, install action is not install or remove'
fi
fi