#!/bin/bash # Copyright 2015 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. set -e function follow_links() { file="$1" while [ -h "$file" ]; do # On Mac OS, readlink -f doesn't work. file="$(readlink "$file")" done echo "$file" } PROG_NAME="$(follow_links "$BASH_SOURCE")" BIN_DIR="$(cd "${PROG_NAME%/*}" ; pwd -P)" export FLUTTER_ROOT="$(cd "${BIN_DIR}/.." ; pwd -P)" FLUTTER_TOOLS_DIR="$FLUTTER_ROOT/packages/flutter_tools" SNAPSHOT_PATH="$FLUTTER_ROOT/bin/cache/flutter_tools.snapshot" STAMP_PATH="$FLUTTER_ROOT/bin/cache/flutter_tools.stamp" SCRIPT_PATH="$FLUTTER_TOOLS_DIR/bin/flutter_tools.dart" DART_SDK_PATH="$FLUTTER_ROOT/bin/cache/dart-sdk" DART="$DART_SDK_PATH/bin/dart" REVISION=`(cd "$FLUTTER_ROOT"; git rev-parse HEAD)` if [ ! -f "$SNAPSHOT_PATH" ] || [ ! -f "$STAMP_PATH" ] || [ `cat "$STAMP_PATH"` != "$REVISION" ] || [ "$FLUTTER_TOOLS_DIR/pubspec.yaml" -nt "$FLUTTER_TOOLS_DIR/pubspec.lock" ]; then "$FLUTTER_ROOT/bin/cache/update_dart_sdk.sh" echo Building flutter tool... FLUTTER_DIR="$FLUTTER_ROOT/packages/flutter" (cd "$FLUTTER_TOOLS_DIR"; "../../bin/cache/dart-sdk/bin/pub" get --verbosity=warning) "$DART" --snapshot="$SNAPSHOT_PATH" --packages="$FLUTTER_TOOLS_DIR/.packages" "$SCRIPT_PATH" echo $REVISION > "$STAMP_PATH" fi # Add our internalized version of the Dart SDK to the path ahead of any other # versions that might be installed on this machine. # # TODO(abarth): We should teach flutter_tools to our version of the Dart SDK # explicitly instead of relying upon the PATH. # export PATH="$DART_SDK_PATH/bin:$PATH" set +e if [ $FLUTTER_DEV ]; then echo -e "(FLUTTER_DEV set - ignoring $SNAPSHOT_PATH)\n" "$DART" --packages="$FLUTTER_TOOLS_DIR/.packages" "$SCRIPT_PATH" "$@" else "$DART" "$SNAPSHOT_PATH" "$@" fi # The VM exits with code 253 if the snapshot version is out-of-date. # If it is, we need to snapshot it again. EXIT_CODE=$? if [ $EXIT_CODE != 253 ]; then exit $EXIT_CODE fi set -e "$DART" --snapshot="$SNAPSHOT_PATH" --package="$FLUTTER_TOOLS_DIR/.packages" "$SCRIPT_PATH" "$DART" "$SNAPSHOT_PATH" "$@"