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#!/bin/bash
# Copyright (C) 2021 The Android Open Source Project
#
# 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.
set -e
KERNEL_INFO_FILES=(
"System.map"
"vmlinux"
"vmlinux.symvers"
"modules.builtin"
"modules.builtin.modinfo"
"system_dlkm.img"
"system_dlkm_staging_archive.tar.gz"
)
function download_kernel_info_files {
local bid=$1
local kernel_target=$2
local output_folder=$3
local url_base="https://ci.android.com/builds/submitted/${bid}/${kernel_target}/latest"
local url_list="${url_base}/list.json"
local list_json="$(curl -sfL "$url_list")"
# do nothing and return if cannot get the file list
[[ -z "$list_json" ]] && return
# Pick manifest.xml if the file is not ready
local artifact_manifest="manifest_${bid}.xml"
local output_manifest="${output_folder}/manifest.xml"
if [[ ! -f "$output_manifest" ]]; then
echo "Pick ${artifact_manifest} to ${output_manifest}..."
curl -sfL "${url_base}/raw/${artifact_manifest}" -o "$output_manifest"
fi
# Pick kernel binaries
for f in "${KERNEL_INFO_FILES[@]}"; do
# The URL request always return 200 even the file does not exist,
# so we check it in the file list. Skip the file if it does not exist.
[[ "$list_json" =~ "\"name\":\"${f}\"" ]] || continue
local output="${output_folder}/$(basename "$f")"
echo "Pick ${output}..."
curl -sfL "${url_base}/raw/${f}" -o "$output"
done
}
function download_all_kernel_info_files {
local kernel_target=$1
local folder_pattern=$2
for folder in $(find "${DIST_DIR}/kernel" -type d -regex ".*/${folder_pattern}"); do
local prebuilt_info="${folder}/prebuilt-info.txt"
local bid=$(cat "$prebuilt_info" | sed -rn 's/.*"kernel-build-id"\s*:\s*([0-9]+).*/\1/p')
download_kernel_info_files "$bid" "$kernel_target" "$folder"
done
}
if [[ -z "${DIST_DIR}" ]]; then
echo "DIST_DIR must be defined." 1>&2
exit 1
fi
ARCH=$1
download_all_kernel_info_files "kernel_${ARCH}" '[0-9]+.[0-9]+'
download_all_kernel_info_files "kernel_debug_${ARCH}" '[0-9]+.[0-9]+-debug'
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