blob: f9b5fafe22117a0901a10e2925e70b9d43cb59b0 [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.
# 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."
DEFINE_boolean eclean ${FLAGS_TRUE} \
"Run eclean to delete old binpkgs after updating the chroot."
# Parse command line flags
FLAGS "$@" || 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[@]}"
# Make sure depot_tools is bootstrapped, so that it can build chromeos-chrome.
info "Bootstrapping depot_tools"
# depot_tools doesn't support Python 3 at all.
# TODO( Drop EPYTHON setting if they ever finish.
EPYTHON="python2" ensure_bootstrap
# Perform an update of all the sdk packages in the chroot.
info "Rebuilding Portage cache"
# Before running any emerge operations, regenerate the Portage dependency cache
# in parallel.
"${EMERGE_CMD[@]}" --regen --quiet
info "Updating the SDK"
EMERGE_FLAGS=( -uNv --with-bdeps=y )
if [ "${FLAGS_usepkg}" -eq "${FLAGS_TRUE}" ]; then
EMERGE_FLAGS+=( --getbinpkg )
# Only update toolchain when binpkgs are available. Toolchain rollout
# process only takes place when the chromiumos sdk builder finishes
# a successful build.
$("${CHROMITE_BIN}/cros_setup_toolchains" --show-packages host)
# Sanity check we got some valid results.
[[ ${#PACKAGES[@]} -eq 0 ]] && die_notrace "cros_setup_toolchains failed"
# Update post cross-packages. This is needed to update rust.
$("${CHROMITE_BIN}/cros_setup_toolchains" --show-packages host-post-cross)
$(printf ' --useoldpkg-atoms=%s' "${PACKAGES[@]}")
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
# Install post cross packages if binary pkgs are available.
if [ "${FLAGS_usepkg}" -eq "${FLAGS_TRUE}" ]; then
# Install nobdeps packages only when binary pkgs are available, since we don't
# want to accidentally pull in build deps for a rebuild.
EMERGE_FLAGS=( -uNv --with-bdeps=n --oneshot --getbinpkg --deep --usepkgonly )
sudo -E "${EMERGE_CMD}" "${EMERGE_FLAGS[@]}" virtual/target-sdk-nobdeps
# 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.
# Finally clean out any stale binpkgs we've accumulated.
if [[ ${FLAGS_eclean} -eq ${FLAGS_TRUE} ]]; then
info "Running 'eclean -d packages' to clean up stale binpkgs"
sudo eclean -d packages