blob: a7fbd04e1ecab8f58972ac4c5bc380a0eec77fbb [file] [log] [blame]
# Copyright (c) 2012 The Chromium OS Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
. "$(dirname "$0")/" || exit 1
# Script must run inside the chroot
assert_inside_chroot "$@"
# Do not run as root
# Developer-visible flags.
DEFINE_boolean usepkg $FLAGS_TRUE \
"Use binary packages to bootstrap."
FLAGS_HELP="usage: $(basename $0) [flags]
Performs an update of the chroot. This script is called as part of
build_packages, so there is typically no need to call this script directly.
show_help_if_requested "$@"
# The following options are advanced options, only available to those willing
# to read the source code. They are not shown in help output, since they are
# not needed for the typical developer workflow.
DEFINE_integer jobs -1 \
"How many packages to build in parallel at maximum."
DEFINE_boolean skip_toolchain_update $FLAGS_FALSE \
"Don't update the toolchains."
DEFINE_string toolchain_boards "" \
"Extra toolchains to setup for the specified boards."
# Parse command line flags
FLAGS "$@" || exit 1
eval set -- "${FLAGS_ARGV}"
# Only now can we die on error. shflags functions leak non-zero error codes,
# so will die prematurely if 'switch_to_strict_mode' is specified before now.
. ${SCRIPTS_DIR}/sdk_lib/
# Run version hooks as pre-update
info "Updating chroot"
# Create /etc/make.conf.host_setup. The file content is regenerated
# from scratch every update. There are various reasons to do this:
# + It's cheap, so this is an easy way to guarantee correct content
# after an upgrade.
# + Inside, we use a temporary version of the file
# which must be updated before the script completes; that final
# update happens here.
# + If the repositories change to add or remove the private
# overlay, the file may need to be regenerated.
sudo_clear_shadow_locks /
# First make sure the cross-compilers have the right config settings.
# We don't actually build them yet though as we want to wait for the
# sdk to have all up-to-date packages.
if [ "${FLAGS_skip_toolchain_update}" -eq "${FLAGS_FALSE}" ]; then
info "Updating cross-compilers"
if [[ -n ${FLAGS_toolchain_boards} ]]; then
# This should really only be skipped while bootstrapping.
if [ "${FLAGS_usepkg}" -eq "${FLAGS_FALSE}" ]; then
TOOLCHAIN_FLAGS+=( --nousepkg )
# Expand the path before sudo, as root doesn't have the same path magic.
sudo -E $(type -p cros_setup_toolchains) "${TOOLCHAIN_FLAGS[@]}"
info "Updating the SDK"
# Perform an update of all the sdk packages in the chroot.
EMERGE_FLAGS="-uNv --with-bdeps=y --select"
if [ "${FLAGS_usepkg}" -eq "${FLAGS_TRUE}" ]; then
# Only update toolchain when binpkgs are available. Toolchain rollout
# process only takes place when the chromiumos sdk builder finishes
# a successful build.
EMERGE_FLAGS+=" --useoldpkg-atoms=sys-devel/binutils"
EMERGE_FLAGS+=" --useoldpkg-atoms=sys-devel/gcc"
EMERGE_FLAGS+=" --useoldpkg-atoms=sys-libs/glibc"
if [[ "${FLAGS_jobs}" -ne -1 ]]; then
EMERGE_FLAGS+=" --jobs=${FLAGS_jobs}"
# Build cros_workon packages when they are changed.
for pkg in $("${CHROMITE_BIN}/cros_list_modified_packages" --host); do
EMERGE_FLAGS+=" --reinstall-atoms=${pkg} --usepkg-exclude=${pkg}"
# Second pass, update everything else.
EMERGE_FLAGS+=" --deep"
sudo -E ${EMERGE_CMD} ${EMERGE_FLAGS} virtual/target-sdk world
# Automatically discard all CONFIG_PROTECT'ed files. Those that are
# protected should not be overwritten until the variable is changed.
# Autodiscard is option "-9" followed by the "YES" confirmation.
printf '%s\nYES\n' -9 | sudo etc-update
# If the user still has old perl modules installed, update them.
PERL_VERSIONS=$(find /usr/lib*/perl5/vendor_perl/ -maxdepth 1 -mindepth 1 \
-type d -printf '%P\n' | sort -u | wc -w)
if [ "$PERL_VERSIONS" -gt 1 ] ; then
# Some perl packages might not exist anymore due to the upgrade, so unmerge
# any that no longer exist.
info "Looking for outdated perl packages"
for pkg in $(qlist -IC dev-perl/ perl-core/ virtual/perl-); do
equery which ${pkg} >/dev/null || pkgs+=( "${pkg}" )
if [[ ${#pkgs[@]} -gt 0 ]]; then
sudo qmerge -Uyq "${pkgs[@]}"
sudo perl-cleaner --all -- --quiet