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#!/bin/bash
# Copyright 2014 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
#
# Download the newest version of Closure Compiler, build it and put into Chrome
# source tree. Also update externs/chrome_extensions.js.
readonly SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
readonly TEMP_DIR=$(mktemp -d)
readonly COMPILER_PATH="${SCRIPT_DIR}/compiler/compiler.jar"
readonly EXTERNS_PATH="${SCRIPT_DIR}/externs/chrome_extensions.js"
cleanup() {
rm -rf "${TEMP_DIR}"
}
get_compiler_version() {
java -jar "${1}" --version | grep ^Version: | cut -d' ' -f2
}
get_externs_sha1() {
sha1sum "${EXTERNS_PATH}" | cut -d' ' -f1
}
trap cleanup SIGINT SIGHUP SIGTERM
previous_compiler_version=$(get_compiler_version ${COMPILER_PATH})
previous_externs_sha1=$(get_externs_sha1)
cd "${TEMP_DIR}"
echo "Cloning Closure Compiler repo"
git clone https://github.com/google/closure-compiler.git
cd closure-compiler
echo "Building Closure Compiler"
ant jar
if [[ "$?" -ne 0 ]]; then
echo "Failed to build jar, copying nothing" >&2
cleanup
exit 1
fi
new_compiler_version=$(get_compiler_version "build/compiler.jar")
if [[ "${new_compiler_version}" != "${previous_compiler_version}" ]]; then
cp build/compiler.jar "${COMPILER_PATH}"
echo "Compiler version changed; re-building runner.jar"
"${SCRIPT_DIR}/runner/build_runner_jar.py"
compiler_jar_range="compiler.jar: ${previous_compiler_version} -> ${new_compiler_version}"
fi
(cat <<EOT && cat contrib/externs/chrome_extensions.js) > "${EXTERNS_PATH}"
// SSSSSSSSSSSSSSS TTTTTTTTTTTTTTTTTTTTTTT OOOOOOOOO PPPPPPPPPPPPPPPPP
// SS:::::::::::::::ST:::::::::::::::::::::T OO:::::::::OO P::::::::::::::::P
// S:::::SSSSSS::::::ST:::::::::::::::::::::T OO:::::::::::::OO P::::::PPPPPP:::::P
// S:::::S SSSSSSST:::::TT:::::::TT:::::TO:::::::OOO:::::::OPP:::::P P:::::P
// S:::::S TTTTTT T:::::T TTTTTTO::::::O O::::::O P::::P P:::::P
// S:::::S T:::::T O:::::O O:::::O P::::P P:::::P
// S::::SSSS P::::PPPPPP:::::P
// SS::::::SSSSS This file is generated. To update it, P:::::::::::::PP
// SSS::::::::SS run bump_compiler_version. P::::PPPPPPPPP
// SSSSSS::::S P::::P
// S:::::S T:::::T O:::::O O:::::O P::::P
// S:::::S T:::::T O::::::O O::::::O P::::P
// SSSSSSS S:::::S TT:::::::TT O:::::::OOO:::::::OPP::::::PP
// S::::::SSSSSS:::::S T:::::::::T OO:::::::::::::OO P::::::::P
// S:::::::::::::::SS T:::::::::T OO:::::::::OO P::::::::P
// SSSSSSSSSSSSSSS TTTTTTTTTTT OOOOOOOOO PPPPPPPPPP
EOT
new_externs_sha1=$(get_externs_sha1)
if [[ "${new_externs_sha1}" != "${previous_externs_sha1}" ]]; then
chrome_extensions_range="chrome_extensions.js: ${previous_externs_sha1} -> ${new_externs_sha1}"
fi
echo
echo "@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@"
echo "@"
echo "@ ROLL RESULTS:"
echo "@"
echo "@ Compiler version:"
echo "@ Previous: ${previous_compiler_version}"
echo "@ New: ${new_compiler_version}"
echo "@"
echo "@ Externs SHA1:"
echo "@ Previous: ${previous_externs_sha1}"
echo "@ New: ${new_externs_sha1}"
echo "@"
echo "@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@"
echo
if [[ -z "${compiler_jar_range}" ]] && [[ -z "${chrome_extensions_range}" ]]; then
echo "Nothing to update"
else
echo "git commit -a -m 'Bumping closure compiler:"
echo
if [[ ! -z "${compiler_jar_range}" ]]; then echo "${compiler_jar_range}"; fi
if [[ ! -z "${chrome_extensions_range}" ]]; then echo "${chrome_extensions_range}"; fi
echo "TBR="
echo "BUG='"
echo
echo "git cl upload"
fi
cleanup
|
