#!/bin/bash # Copyright 2016 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. # ---------------------------------- NOTE ---------------------------------- # # # Please keep the logic in this file consistent with the logic in the # `update_dart_sdk.ps1` script in the same directory to ensure that Flutter # continues to work across all platforms! # # -------------------------------------------------------------------------- # set -e FLUTTER_ROOT="$(dirname "$(dirname "$(dirname "${BASH_SOURCE[0]}")")")" DART_SDK_PATH="$FLUTTER_ROOT/bin/cache/dart-sdk" DART_SDK_PATH_OLD="$DART_SDK_PATH.old" ENGINE_STAMP="$FLUTTER_ROOT/bin/cache/engine-dart-sdk.stamp" ENGINE_VERSION=`cat "$FLUTTER_ROOT/bin/internal/engine.version"` if [ ! -f "$ENGINE_STAMP" ] || [ "$ENGINE_VERSION" != `cat "$ENGINE_STAMP"` ]; then echo "Downloading Dart SDK from Flutter engine $ENGINE_VERSION..." case "$(uname -s)" in Darwin) DART_ZIP_NAME="dart-sdk-darwin-x64.zip" ;; Linux) DART_ZIP_NAME="dart-sdk-linux-x64.zip" ;; *) echo "Unknown operating system. Cannot install Dart SDK." exit 1 ;; esac DART_SDK_BASE_URL="${FLUTTER_STORAGE_BASE_URL:-https://storage.googleapis.com}" DART_SDK_URL="$DART_SDK_BASE_URL/flutter_infra/flutter/$ENGINE_VERSION/$DART_ZIP_NAME" # if the sdk path exists, copy it to a temporary location if [ -d "$DART_SDK_PATH" ]; then rm -rf "$DART_SDK_PATH_OLD" mv "$DART_SDK_PATH" "$DART_SDK_PATH_OLD" fi # install the new sdk rm -rf -- "$DART_SDK_PATH" mkdir -p -- "$DART_SDK_PATH" DART_SDK_ZIP="$FLUTTER_ROOT/bin/cache/$DART_ZIP_NAME" curl --continue-at - --location --output "$DART_SDK_ZIP" "$DART_SDK_URL" 2>&1 unzip -o -q "$DART_SDK_ZIP" -d "$FLUTTER_ROOT/bin/cache" || { echo echo "It appears that the downloaded file is corrupt; please try the operation again later." echo "If this problem persists, please report the problem at" echo "https://github.com/flutter/flutter/issues/new" echo rm -f -- "$DART_SDK_ZIP" exit 1 } rm -f -- "$DART_SDK_ZIP" echo "$ENGINE_VERSION" > "$ENGINE_STAMP" # delete any temporary sdk path if [ -d "$DART_SDK_PATH_OLD" ]; then rm -rf "$DART_SDK_PATH_OLD" fi fi