| #!/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 |
| |
| export FLUTTER_ROOT=$(dirname $(dirname "${BASH_SOURCE[0]}")) |
| 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" |
| |
| # TODO(abarth): We shouldn't require dart to be on the user's path. |
| DART=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 "$FLUTTER_TOOLS_DIR/pubspec.lock" ]; then |
| echo Updating flutter tool... |
| (cd "$FLUTTER_TOOLS_DIR"; pub get > /dev/null) |
| $DART --snapshot="$SNAPSHOT_PATH" --package-root="$FLUTTER_TOOLS_DIR/packages" "$SCRIPT_PATH" |
| echo -n $REVISION > "$STAMP_PATH" |
| fi |
| |
| set +e |
| |
| $DART "$SNAPSHOT_PATH" "$@" |
| |
| # The VM exits with code 253 if the snapshot version is out-of-date. |
| # If it is, we need to snapshot it again. |
| EXIT_CODE=$? |
| if [ $EXIT_CODE != 253 ]; then |
| exit $EXIT_CODE |
| fi |
| |
| set -e |
| |
| $DART --snapshot="$SNAPSHOT_PATH" --package-root="$FLUTTER_TOOLS_DIR/packages" "$SCRIPT_PATH" |
| $DART "$SNAPSHOT_PATH" "$@" |