40 lines
1.3 KiB
Bash
Executable File
40 lines
1.3 KiB
Bash
Executable File
#!/bin/bash
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# Copyright 2015 The Chromium Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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set -e
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export FLUTTER_ROOT=$(dirname $(dirname "${BASH_SOURCE[0]}"))
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FLUTTER_TOOLS_DIR="$FLUTTER_ROOT/packages/flutter_tools"
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SNAPSHOT_PATH="$FLUTTER_ROOT/bin/cache/flutter_tools.snapshot"
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STAMP_PATH="$FLUTTER_ROOT/bin/cache/flutter_tools.stamp"
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SCRIPT_PATH="$FLUTTER_TOOLS_DIR/bin/flutter_tools.dart"
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# TODO(abarth): We shouldn't require dart to be on the user's path.
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DART=dart
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REVISION=`(cd "$FLUTTER_ROOT"; git rev-parse HEAD)`
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if [ ! -f "$SNAPSHOT_PATH" ] || [ ! -f "$STAMP_PATH" ] || [ `cat "$STAMP_PATH"` != "$REVISION" ] || [ "$FLUTTER_TOOLS_DIR/pubspec.yaml" -nt "$FLUTTER_TOOLS_DIR/pubspec.lock" ]; then
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echo Updating flutter tool...
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(cd "$FLUTTER_TOOLS_DIR"; pub get > /dev/null)
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$DART --snapshot="$SNAPSHOT_PATH" --package-root="$FLUTTER_TOOLS_DIR/packages" "$SCRIPT_PATH"
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echo -n $REVISION > "$STAMP_PATH"
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fi
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set +e
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$DART "$SNAPSHOT_PATH" "$@"
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# The VM exits with code 253 if the snapshot version is out-of-date.
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# If it is, we need to snapshot it again.
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EXIT_CODE=$?
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if [ $EXIT_CODE != 253 ]; then
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exit $EXIT_CODE
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fi
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set -e
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$DART --snapshot="$SNAPSHOT_PATH" --package-root="$FLUTTER_TOOLS_DIR/packages" "$SCRIPT_PATH"
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$DART "$SNAPSHOT_PATH" "$@"
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