System Initiative

#!/usr/bin/env bash # {argcomplete_hint} BASE_DIR={base_dir} DIR={base_dir} # OSX is not Linux. To get date to give nanoseconds, we must use gnu date if [[ $(uname) == "Darwin" ]] then DATE_CMD="/opt/facebook/coreutils/date" else DATE_CMD="date" fi export PAR_LAUNCH_TIMESTAMP=$(${{DATE_CMD}} +%s.%N) if [ -n "${{{lib_path_env}+SET}}" ]; then export FB_SAVED_{lib_path_env}=${lib_path_env} fi export {lib_path_env}={ld_library_path} if [ -n "${{PYTHONPATH+SET}}" ]; then export FB_SAVED_PYTHONPATH=$PYTHONPATH fi # The following expands to ":PAR_APPEND_PYTHONPATH" when $PAR_APPEND_PYTHONPATH is set # This is important: we don't want a trailing colon in $PYTHONPATH. export PYTHONPATH=$BASE_DIR${{PAR_APPEND_PYTHONPATH:+:$PAR_APPEND_PYTHONPATH}} if [ -n "${{PYTHONHOME+SET}}" ]; then export FB_SAVED_PYTHONHOME=$PYTHONHOME fi if [ -n "${{{lib_preload_env}+SET}}" ]; then export FB_SAVED_{lib_preload_env}=${lib_preload_env} fi unset PYTHONHOME export FB_PAR_MAIN_MODULE="{main_module}" export FB_PAR_MAIN_FUNCTION="{main_function}" export FB_PAR_MAIN_RUNNER_MODULE="{main_runner_module}" export FB_PAR_MAIN_RUNNER_FUNCTION="{main_runner_function}" export FB_PAR_RUNTIME_FILES=$BASE_DIR : ${{FB_LPAR_INVOKED_NAME:="$0"}} export FB_LPAR_INVOKED_NAME # This environment variable is immediately unset on startup but will also appear # in e.g. `multiprocessing` workers, and so serves as an audit trail back to # the originating PAR (and can be read via e.g. `/proc/<pid>/environ`). export PAR_INVOKED_NAME_TAG="$FB_LPAR_INVOKED_NAME" {ld_preload} {env} exec {cmd} "$@"