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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 [[ "${DIB_DEBUG_TRACE:-0}" -gt 0 ]]; then
set -x
fi
set -eu
set -o pipefail
# note(JayF): YACC and LEX are both set by gentoo alternatives handling if you want to
# use alternative implementations of them. Since whatever alternative
# implementation is opted-for may not availabe inside the image, we need to
# unset the environment to ensure default behavior.
unset YACC LEX
# env is not sourced with user specified package inclusions
# set the default bash array if GENTOO_EMERGE_ENV is not defined as an array
if ! declare -p GENTOO_EMERGE_ENV 2> /dev/null | grep -q '^declare \-a'; then
declare -a GENTOO_EMERGE_ENV
GENTOO_EMERGE_ENV+=("USE=\"-build\"")
GENTOO_EMERGE_ENV+=("FEATURES=\"binpkg-multi-instance buildpkg parallel-fetch parallel-install\"")
GENTOO_EMERGE_ENV+=("PKGDIR=\"/tmp/portage-pkgdir\"")
GENTOO_EMERGE_ENV+=("DISTDIR=\"/tmp/portage-distdir\"")
GENTOO_EMERGE_ENV+=("PORTDIR=\"/tmp/portage-portdir\"")
export GENTOO_EMERGE_ENV
fi
# iterate over the array, exporting each 'line'
for (( i=0; i<${#GENTOO_EMERGE_ENV[@]}; i++ )); do
eval export "${GENTOO_EMERGE_ENV[i]}"
done
# set default opts
GENTOO_EMERGE_DEFAULT_OPTS=${GENTOO_EMERGE_DEFAULT_OPTS:-"--binpkg-respect-use --rebuilt-binaries=y --usepkg=y --with-bdeps=y --binpkg-changed-deps=y --jobs=2 --verbose --autounmask=n"}
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 install_gentoo_packages {
RUN_ONCE_SHM='1'
if mountpoint -q /dev/shm; then
emerge ${GENTOO_EMERGE_DEFAULT_OPTS} $@
elif [[ -k /dev/shm ]]; then
emerge ${GENTOO_EMERGE_DEFAULT_OPTS} $@
else
fix_shm
emerge ${GENTOO_EMERGE_DEFAULT_OPTS} $@
unfix_shm
fi
}
TEMP="$(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 ${PORTDIR}/profiles ]]; then
emerge-webrsync -q
fi
install_gentoo_packages --update --deep --changed-use @world
install_gentoo_packages --verbose=n --depclean
install_gentoo_packages --usepkg=n @preserved-rebuild
etc-update --automode -5
eselect news read new
exit 0
;;
-e )
ACTION='remove'
shift
;;
-m )
MAP_ELEMENT="${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 ${PORTDIR}/profiles ]]; then
emerge-webrsync -q
fi
# --noreplace prevents us from rebuilding a package already installed
# --changed-use means that package will be rebuilt *if* USE flags for
# it (configuration) has changed
install_gentoo_packages --noreplace --changed-use "${PKGS}"
elif [[ "${ACTION}" == 'remove' ]]; then
if [[ ! -f ${PORTDIR}/profiles ]]; then
emerge-webrsync -q
fi
# A good practice for removing packages in gentoo is to deselect them,
# removing them from "world" set -- the equivalent of "unmark" in dnf.
# This tells portage we no longer care if the package is installed,
# and it can be removed if depedancies allow.
# This means a removal is two steps:
# - emerge --deselect $pkg
# - emerge --depclean
#
# The depclean step removes all packages that are not in the "world"
# set and are not in the dependency graph for any packages in "world"
# set.
#
# Other methods of removal may work; but this method sets us up to
# calculate the dependency graph exactly once and prevents portage
# from erroring if any of the packages were not already selected.
for PKG in ${PKGS}; do
install_gentoo_packages --deselect $PKG
done
install_gentoo_packages --depclean
else
echo 'something went really wrong, install action is not install or remove'
fi
fi
|
