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#!/bin/bash
# Copyright 2023 Google Inc. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# Script to invoke copybara locally to import Cronet into Android.
# Inputs:
# Environment:
# ANDROID_BUILD_TOP: path the root of the current Android directory.
# Arguments:
# -l rev: The last revision that was imported.
# Optional Arguments:
# -n rev: The new revision to import.
# -f: Force copybara to ignore a failure to find the last imported revision.
set -e -x
OPTSTRING=fl:n:
usage() {
cat <<EOF
Usage: import_cronet.sh -n new-rev [-l last-rev] [-f]
EOF
exit 1
}
COPYBARA_FOLDER_ORIGIN="/tmp/copybara-origin"
#######################################
# Create local upstream-import branch in external/cronet.
# Globals:
# ANDROID_BUILD_TOP
# Arguments:
# none
#######################################
setup_upstream_import_branch() {
local git_dir="${ANDROID_BUILD_TOP}/external/cronet"
(cd "${git_dir}" && git fetch aosp upstream-import:upstream-import)
}
#######################################
# Setup folder.origin for copybara inside /tmp
# Globals:
# COPYBARA_FOLDER_ORIGIN
# Arguments:
# new_rev, string
#######################################
setup_folder_origin() (
local _new_rev=$1
mkdir -p "${COPYBARA_FOLDER_ORIGIN}"
cd "${COPYBARA_FOLDER_ORIGIN}"
if [ -d src ]; then
(cd src && git fetch --tags && git checkout "${_new_rev}")
else
# For this to work _new_rev must be a branch or a tag.
git clone --depth=1 --branch "${_new_rev}" https://chromium.googlesource.com/chromium/src.git
fi
cat <<EOF >.gclient
solutions = [
{
"name": "src",
"url": "https://chromium.googlesource.com/chromium/src.git",
"managed": False,
"custom_deps": {},
"custom_vars": {},
},
]
target_os = ["android"]
EOF
cd src
# Set appropriate gclient flags to speed up syncing.
gclient sync \
--no-history \
--shallow \
--delete_unversioned_trees
)
#######################################
# Runs the copybara import of Chromium
# Globals:
# ANDROID_BUILD_TOP
# COPYBARA_FOLDER_ORIGIN
# Arguments:
# last_rev, string or empty
# force, string or empty
#######################################
do_run_copybara() {
local _last_rev=$1
local _force=$2
local -a flags
flags+=(--git-destination-url="file://${ANDROID_BUILD_TOP}/external/cronet")
flags+=(--repo-timeout 3m)
# buildtools/third_party/libc++ contains an invalid symlink
flags+=(--folder-origin-ignore-invalid-symlinks)
flags+=(--git-no-verify)
if [ ! -z "${_force}" ]; then
flags+=(--force)
fi
if [ ! -z "${_last_rev}" ]; then
flags+=(--last-rev "${_last_rev}")
fi
/google/bin/releases/copybara/public/copybara/copybara \
"${flags[@]}" \
"${ANDROID_BUILD_TOP}/packages/modules/Connectivity/Cronet/tools/import/copy.bara.sky" \
import_cronet "${COPYBARA_FOLDER_ORIGIN}/src"
}
while getopts $OPTSTRING opt; do
case "${opt}" in
f) force=true ;;
l) last_rev="${OPTARG}" ;;
n) new_rev="${OPTARG}" ;;
?) usage ;;
*) echo "'${opt}' '${OPTARG}'"
esac
done
if [ -z "${new_rev}" ]; then
echo "-n argument required"
usage
fi
setup_upstream_import_branch
setup_folder_origin "${new_rev}"
do_run_copybara "${last_rev}" "${force}"
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