1 files changed, 106 insertions, 0 deletions
diff --git a/android/tools/host/download_input_files.sh b/android/tools/host/download_input_files.sh
new file mode 100755
index 0000000..821c6b3
--- /dev/null
+++ b/android/tools/host/download_input_files.sh
@@ -0,0 +1,106 @@
+#!/bin/bash
+
+# Copyright 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.
+
+# Fail fast on any error.
+set -e
+
+HOST_TOOLS_DIR=$(realpath $(dirname $0))
+source ${HOST_TOOLS_DIR}/common.sh
+
+RELEASE_ID=${1}
+if [ -z ${RELEASE_ID} ]; then
+  echo "Usage:"
+  echo "  ${0} <release ID>"
+  echo
+  echo "e.g. ${0} 2020d"
+  exit 1
+fi
+
+SCRIPT_PATH=$(realpath $0)
+
+# -f = report failures
+# -L = follow redirects
+CURL_CMD="curl -f -L"
+
+TZBB_PROJECT_URL=https://github.com/evansiroky/timezone-boundary-builder/
+SERVER_RELEASE_BASE_URL=${TZBB_PROJECT_URL}releases/download
+SERVER_SOURCE_BASE_URL=https://raw.githubusercontent.com/evansiroky/timezone-boundary-builder/master
+
+INPUT_DATA_FILE=input-data.zip
+LICENSE_FILE=DATA_LICENSE
+
+function download() {
+  set -e
+  SERVER_BASE_URL=${1}
+  FILE_NAME=${2}
+  LOCAL_DIR=${3}
+
+  URL=${SERVER_BASE_URL}/${FILE_NAME}
+  LOCAL_FILE_NAME=${LOCAL_DIR}/${FILE_NAME}
+  echo Downloading ${FILE_NAME} from ${URL}...
+  ${CURL_CMD} ${URL} --output ${LOCAL_FILE_NAME}
+
+  DOWNLOAD_DATE=$(date)
+  SHA=$(sha1sum ${LOCAL_FILE_NAME} | awk '{ print $1}')
+
+  # Add a METADATA file URL entry for every file we download.
+  cat << EOF >> ${METADATA_FILE}
+  url {
+    type: OTHER
+    value: "${FILE_NAME} downloaded from ${URL} on ${DOWNLOAD_DATE}, SHA1=${SHA}"
+  }
+EOF
+}
+
+mkdir -p ${HOST_INPUTS_DIR}
+echo Removing existing data files...
+rm -f ${HOST_INPUTS_DIR}/*
+
+METADATA_FILE=${HOST_INPUTS_DIR}/METADATA
+# Start the METADATA file
+cat << EOF > ${METADATA_FILE}
+// Generated file DO NOT EDIT
+// Run download_input_files.sh
+name: "android_inputs"
+description:
+    "Assorted files downloaded from ${TZBB_PROJECT_URL}"
+
+third_party {
+  url {
+    type: HOMEPAGE
+    value: "${TZBB_PROJECT_URL}"
+  }
+EOF
+
+download ${SERVER_SOURCE_BASE_URL} ${LICENSE_FILE} ${HOST_INPUTS_DIR}
+download ${SERVER_RELEASE_BASE_URL}/${RELEASE_ID} ${INPUT_DATA_FILE} ${HOST_INPUTS_DIR}
+
+PROTO_UPGRADE_DATE=$(date +'{ year: '%Y' month: '%-m' day: '%-d' }')
+
+# Finish the METADATA file
+cat << EOF >> ${METADATA_FILE}
+  version: "${RELEASE_ID}"
+  last_upgrade_date ${PROTO_UPGRADE_DATE}
+  license_type: RESTRICTED
+}
+EOF
+
+ln -sr ${HOST_INPUTS_DIR}/DATA_LICENSE ${HOST_INPUTS_DIR}/LICENSE
+
+# Handle the unzip step to HOST_DOWNLOADS_DIR
+unzip -d ${HOST_DOWNLOADS_DIR} ${HOST_INPUTS_DIR}/${INPUT_DATA_FILE}
+
+echo Look in ${HOST_INPUTS_DIR} for input files....