| #!/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" |
| |
| readonly README="${SCRIPT_DIR}/README.chromium" |
| |
| cleanup() { |
| rm -rf "${TEMP_DIR}" |
| } |
| |
| get_externs_sha1() { |
| sha1sum "${EXTERNS_PATH}" | cut -d' ' -f1 |
| } |
| |
| trap cleanup SIGINT SIGHUP SIGTERM |
| |
| old_head=$(egrep -o '^Revision: [0-9a-f]{5,40}$' "${README}" | cut -d' ' -f2) |
| old_externs_sha1=$(get_externs_sha1) |
| |
| cd "${TEMP_DIR}" |
| |
| echo "Cloning Closure Compiler repo" |
| git clone --depth 1 https://github.com/google/closure-compiler.git |
| |
| cd closure-compiler |
| |
| new_head=$(git rev-parse HEAD) |
| |
| if [[ "${new_head}" == "${old_head}" ]]; then |
| echo "No closure-compiler changes since last roll. Nothing to do." |
| cleanup |
| exit 0 |
| else |
| head_range=$(cat <<EOT |
| Change log: |
| https://github.com/google/closure-compiler/compare/${old_head}...${new_head} |
| EOT |
| ) |
| fi |
| |
| echo "Building Closure Compiler" |
| ant jar |
| |
| if [[ "$?" -ne 0 ]]; then |
| echo "Failed to build jar, copying nothing" >&2 |
| cleanup |
| exit 1 |
| fi |
| |
| cp build/compiler.jar "${COMPILER_PATH}" |
| |
| echo "Re-building runner.jar" |
| "${SCRIPT_DIR}/runner/build_runner_jar.py" |
| if [[ "$?" -ne 0 ]]; then |
| echo "Failed to build runner.jar, roll unsuccessful" |
| cleanup |
| exit 1 |
| fi |
| |
| (cat <<EOT && cat contrib/externs/chrome_extensions.js) > "${EXTERNS_PATH}" |
| // SSSSSSSSSSSSSSS TTTTTTTTTTTTTTTTTTTTTTT OOOOOOOOO PPPPPPPPPPPPPPPPP |
| // SS:::::::::::::::ST:::::::::::::::::::::T OO:::::::::OO P::::::::::::::::P |
| // S:::::SSSSSS::::::ST:::::::::::::::::::::T OO:::::::::::::OO P::::::PPPPPP:::::P |
| // S:::::S SSSSSSST:::::TT:::::::TT:::::TO:::::::OOO:::::::OPP:::::P P:::::P |
| // S:::::S TTTTTT T:::::T TTTTTTO::::::O O::::::O P::::P P:::::P |
| // S:::::S T:::::T O:::::O O:::::O P::::P P:::::P |
| // S::::SSSS P::::PPPPPP:::::P |
| // SS::::::SSSSS This file is generated. To update it, P:::::::::::::PP |
| // SSS::::::::SS run roll_closure_compiler. P::::PPPPPPPPP |
| // SSSSSS::::S P::::P |
| // S:::::S T:::::T O:::::O O:::::O P::::P |
| // S:::::S T:::::T O::::::O O::::::O P::::P |
| // SSSSSSS S:::::S TT:::::::TT O:::::::OOO:::::::OPP::::::PP |
| // S::::::SSSSSS:::::S T:::::::::T OO:::::::::::::OO P::::::::P |
| // S:::::::::::::::SS T:::::::::T OO:::::::::OO P::::::::P |
| // SSSSSSSSSSSSSSS TTTTTTTTTTT OOOOOOOOO PPPPPPPPPP |
| EOT |
| |
| new_externs_sha1=$(get_externs_sha1) |
| |
| if [[ "${new_externs_sha1}" != "${old_externs_sha1}" ]]; then |
| externs_range="chrome_extensions.js: ${old_externs_sha1} -> ${new_externs_sha1}" |
| fi |
| |
| echo |
| echo "@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@" |
| echo "@" |
| echo "@ ROLL RESULTS:" |
| echo "@" |
| echo "@ closure-compiler.git HEAD:" |
| echo "@ Old: ${old_head}" |
| echo "@ New: ${new_head}" |
| echo "@" |
| echo "@ Externs SHA1:" |
| echo "@ Old: ${old_externs_sha1}" |
| echo "@ New: ${new_externs_sha1}" |
| echo "@" |
| echo "@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@" |
| echo |
| |
| sed -i "s/^Revision: ${old_head}$/Revision: ${new_head}/" "${README}" |
| |
| echo "git commit -a -m 'Roll closure compiler" |
| echo |
| echo "${head_range}" |
| if [[ ! -z "${externs_range}" ]]; then echo "${externs_range}"; fi |
| echo |
| echo "TBR=" |
| echo "BUG='" |
| echo |
| echo "git cl upload" |
| |
| cleanup |