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89 lines
4.2 KiB
Bash
89 lines
4.2 KiB
Bash
# Common start/end build functions. Used by the default build and others
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function main_default_start_build() {
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wait_for_disk_sync "before starting build" # fsync, wait for disk to sync, and then continue. alert user if takes too long.
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# Check that WORKDIR_BASE_TMP exists; if not, create it.
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if [[ ! -d "${WORKDIR_BASE_TMP}" ]]; then
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mkdir -p "${WORKDIR_BASE_TMP}"
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fi
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# Check the sanity of WORKDIR_BASE_TMP regarding mount options.
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LOG_SECTION="check_dir_for_mount_options" do_with_logging check_dir_for_mount_options "${WORKDIR_BASE_TMP}" "main temporary dir"
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# Starting work. Export TMPDIR, which will be picked up by all `mktemp` invocations hopefully.
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# Runner functions in logging/runners.sh will explicitly unset TMPDIR before invoking chroot.
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# Invoking chroot directly will fail in subtle ways, so, please use the runner.sh functions.
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display_alert "Starting single build, exporting TMPDIR" "${WORKDIR}" "debug"
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LOG_SECTION="prepare_tmpfs_workdir" do_with_logging prepare_tmpfs_for "WORKDIR" "${WORKDIR}" # this adds its own cleanup handler, which deletes it if it was created
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add_cleanup_handler trap_handler_cleanup_workdir # this is for when it is NOT a tmpfs, for any reason; it does not delete the dir itself.
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# 'declare -g -x': global, export
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declare -g -x TMPDIR="${WORKDIR}" # TMPDIR is default for a lot of stuff, but...
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declare -g -x CCACHE_TEMPDIR="${WORKDIR}/ccache_tmp" # Export CCACHE_TEMPDIR, under Workdir, which is hopefully under tmpfs. Thanks @the-Going for this.
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declare -g -x XDG_RUNTIME_DIR="${WORKDIR}/xdg_tmp" # XDG_RUNTIME_DIR is used by the likes of systemd/freedesktop centric apps.
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declare -g start_timestamp # global timestamp; read below by main_default_end_build()
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start_timestamp=$(date +%s)
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### Write config summary # @TODO: or not? this is a bit useless
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LOG_SECTION="config_summary" do_with_logging write_config_summary_output_file
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# Check and install dependencies, directory structure and settings
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prepare_host # this has its own logging sections, and is possibly interactive.
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# @TODO: what if there is no python2? bookworm/sid, currently. not long until more
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# Create a directory inside WORKDIR with a "python" symlink to "/usr/bin/python2"; add it to PATH first.
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BIN_WORK_DIR="${WORKDIR}/bin"
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# No cleanup of this is necessary, since it's inside WORKDIR.
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mkdir -p "${BIN_WORK_DIR}"
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ln -s "/usr/bin/python2" "${BIN_WORK_DIR}/python"
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export PATH="${BIN_WORK_DIR}:${PATH}"
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# Prepare ccache, cthreads, etc for the build
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LOG_SECTION="prepare_compilation_vars" do_with_logging prepare_compilation_vars
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# from mark_aggregation_required_in_default_build_start() possibly marked during config
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if [[ ${aggregation_required_in_default_build_start:-0} -gt 0 ]]; then
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display_alert "Configuration requires aggregation" "running aggregation now" "debug"
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aggregate_packages_in_logging_section
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else
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display_alert "Configuration does not require aggregation" "skipping aggregation" "debug"
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fi
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return 0
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}
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function main_default_end_build() {
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call_extension_method "run_after_build" <<- 'RUN_AFTER_BUILD'
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*hook for function to run after build, i.e. to change owner of `$SRC`*
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Really one of the last hooks ever called. The build has ended. Congratulations.
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- *NOTE:* this will run only if there were no errors during build process.
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RUN_AFTER_BUILD
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declare end_timestamp
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end_timestamp=$(date +%s)
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declare runtime=$(((end_timestamp - start_timestamp) / 60))
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# display_alert in its own logging section.
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LOG_SECTION="runtime_total" do_with_logging display_alert "Runtime" "${runtime} min" "info"
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return 0
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}
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function trap_handler_cleanup_workdir() {
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display_alert "Cleanup WORKDIR: $WORKDIR" "trap_handler_cleanup_workdir" "cleanup"
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unset TMPDIR
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if [[ -d "${WORKDIR}" ]]; then
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if [[ "${PRESERVE_WORKDIR}" != "yes" ]]; then
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if [[ "${SHOW_DEBUG}" == "yes" ]]; then
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display_alert "Cleaning up WORKDIR" "$(du -h -s "$WORKDIR")" "cleanup"
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fi
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# Remove all files and directories in WORKDIR, but not WORKDIR itself.
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rm -rf "${WORKDIR:?}"/* # Note this is protected by :?
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else
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display_alert "Preserving WORKDIR due to PRESERVE_WORKDIR=yes" "$(du -h -s "$WORKDIR")" "warn"
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# @TODO: tmpfs might just be unmounted, though.
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fi
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fi
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}
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