| #!/bin/bash |
| |
| # 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 "$0")/common.sh" || exit 1 |
| |
| # Script must run inside the chroot |
| assert_inside_chroot "$@" |
| |
| # Do not run as root |
| assert_not_root_user |
| |
| # 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." |
| |
| # 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. |
| switch_to_strict_mode |
| |
| . ${SCRIPTS_DIR}/sdk_lib/make_conf_util.sh |
| |
| # Run version hooks as pre-update |
| run_chroot_version_hooks |
| |
| info "Updating chroot" |
| |
| # Create /etc/make.conf.host_setup. The file content is regenerated |
| # from scratch every update. There are various reasons to do this: |
| # + It's cheap, so this is an easy way to guarantee correct content |
| # after an upgrade. |
| # + Inside make_chroot.sh, we use a temporary version of the file |
| # which must be updated before the script completes; that final |
| # update happens here. |
| # + If the repositories change to add or remove the private |
| # overlay, the file may need to be regenerated. |
| create_host_setup |
| |
| sudo_clear_shadow_locks / |
| |
| # First make sure the cross-compilers have the right config settings. |
| # We don't actually build them yet though as we want to wait for the |
| # sdk to have all up-to-date packages. |
| if [ "${FLAGS_skip_toolchain_update}" -eq "${FLAGS_FALSE}" ]; then |
| info "Updating cross-compilers" |
| TOOLCHAIN_FLAGS=() |
| |
| if [[ -n ${FLAGS_toolchain_boards} ]]; then |
| TOOLCHAIN_FLAGS+=( |
| "--targets=boards" |
| "--include-boards=${FLAGS_toolchain_boards}" |
| ) |
| fi |
| |
| # This should really only be skipped while bootstrapping. |
| if [ "${FLAGS_usepkg}" -eq "${FLAGS_FALSE}" ]; then |
| TOOLCHAIN_FLAGS+=( --nousepkg ) |
| fi |
| # Expand the path before sudo, as root doesn't have the same path magic. |
| info_run sudo -E $(type -p cros_setup_toolchains) "${TOOLCHAIN_FLAGS[@]}" |
| fi |
| |
| # Make sure depot_tools is bootstrapped, so that it can build chromeos-chrome. |
| info "Bootstrapping depot_tools" |
| ensure_bootstrap |
| |
| # Perform an update of all the sdk packages in the chroot. |
| EMERGE_CMD="${CHROMITE_BIN}/parallel_emerge" |
| |
| info "Rebuilding Portage cache" |
| # Before running any emerge operations, regenerate the Portage dependency cache |
| # in parallel. |
| info_run "${EMERGE_CMD[@]}" --regen --quiet |
| |
| # Clean out any stale binpkgs we've accumulated. This is done immediately after |
| # regenerating the cache in case ebuilds have been removed (e.g. from a revert). |
| if [[ "${FLAGS_eclean}" -eq "${FLAGS_TRUE}" ]]; then |
| info "Cleaning stale binpkgs" |
| get_eclean_exclusions | sudo eclean -e /dev/stdin packages |
| fi |
| |
| 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. |
| PACKAGES=( |
| $("${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. |
| PACKAGES+=( |
| $("${CHROMITE_BIN}/cros_setup_toolchains" --show-packages host-post-cross) |
| ) |
| EMERGE_FLAGS+=( |
| $(printf ' --useoldpkg-atoms=%s' "${PACKAGES[@]}") |
| ) |
| fi |
| if [[ "${FLAGS_jobs}" -ne -1 ]]; then |
| EMERGE_FLAGS+=( --jobs="${FLAGS_jobs}" ) |
| fi |
| |
| # 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}" ) |
| done |
| |
| # Second pass, update everything else. |
| EMERGE_FLAGS+=( --deep ) |
| info_run 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 ) |
| info_run sudo -E "${EMERGE_CMD}" "${EMERGE_FLAGS[@]}" \ |
| virtual/target-sdk-nobdeps |
| fi |
| |
| # 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. |
| "${SCRIPTS_DIR}/build_library/perl_rebuild.sh" |
| |
| # Deep clean any stale binpkgs. This includes any binary packages that do not |
| # correspond to a currently installed package (different versions are kept). |
| if [[ "${FLAGS_eclean}" -eq "${FLAGS_TRUE}" ]]; then |
| info "Deep cleaning stale binpkgs" |
| get_eclean_exclusions | sudo eclean -e /dev/stdin -d packages |
| fi |
| |
| command_completed |