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#!/bin/bash -eu
# Copyright 2019 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.
#
# Convenient wrapper to run presubmit checks in parallel without interleaving
# output/etc.
if [[ $# -eq 0 ]]; then
echo "No files were given to check the style of. Exiting." >&2
exit
fi
mydir="$(dirname "$(readlink -m "$0")")"
pydir="${mydir}/.."
if [[ -z "${PYTHONPATH:-}" ]]; then
export PYTHONPATH="${pydir}"
else
export PYTHONPATH="${pydir}:${PYTHONPATH}"
fi
tempfiles=()
rm_tempfiles() {
rm -f "${tempfiles[@]}"
}
trap rm_tempfiles EXIT
child_pids=()
spawn_child() {
local tempfile
tempfile="$(mktemp)"
tempfiles+=( "${tempfile}" )
"$@" >"${tempfile}" 2>&1 &
child_pids+=( "$!" )
}
# only lint existing files
files_exist=false
declare -a to_lint
for file; do
if [[ -f "${file}" ]]; then
files_exist=true
to_lint+=("${file}")
fi
done
# We have a few things to do in parallel here. To avoid interleaving their
# output, we pipe them all to tempfiles, then cat those tempfiles.
if "${files_exist}"; then
spawn_child "${mydir}/check-lint" "${to_lint[@]}"
spawn_child "${mydir}/check-format" "${to_lint[@]}"
spawn_child "${mydir}/../run_tests_for.py" "${to_lint[@]}"
fi
success=true
for i in "${!child_pids[@]}"; do
wait "${child_pids[$i]}" || success=false
cat "${tempfiles[$i]}"
done
"${success}"
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