app/rust_builder/cargokit/run_build_tool.sh

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2024-02-06 20:35:52 +08:00
#!/bin/bash
set -e
BASEDIR=$(dirname "$0")
mkdir -p "$CARGOKIT_TOOL_TEMP_DIR"
cd "$CARGOKIT_TOOL_TEMP_DIR"
# Write a very simple bin package in temp folder that depends on build_tool package
# from Cargokit. This is done to ensure that we don't pollute Cargokit folder
# with .dart_tool contents.
BUILD_TOOL_PKG_DIR="$BASEDIR/build_tool"
if [[ -z $FLUTTER_ROOT ]]; then # not defined
DART=dart
else
DART="$FLUTTER_ROOT/bin/cache/dart-sdk/bin/dart"
fi
cat << EOF > "pubspec.yaml"
name: build_tool_runner
version: 1.0.0
publish_to: none
environment:
sdk: '>=3.0.0 <4.0.0'
dependencies:
build_tool:
path: "$BUILD_TOOL_PKG_DIR"
EOF
mkdir -p "bin"
cat << EOF > "bin/build_tool_runner.dart"
import 'package:build_tool/build_tool.dart' as build_tool;
void main(List<String> args) {
build_tool.runMain(args);
}
EOF
# Dart run will not cache any package that has a path dependency, which
# is the case for our build_tool_runner. So instead we precompile the package
# ourselves.
# To invalidate the cached kernel we use the hash of ls -LR of the build_tool
# package directory. This should be good enough, as the build_tool package
# itself is not meant to have any path dependencies.
if [[ "$OSTYPE" == "darwin"* ]]; then
PACKAGE_HASH=$(ls -lTR "$BUILD_TOOL_PKG_DIR" | shasum)
else
PACKAGE_HASH=$(ls -lR --full-time "$BUILD_TOOL_PKG_DIR" | shasum)
fi
PACKAGE_HASH_FILE=".package_hash"
if [ -f "$PACKAGE_HASH_FILE" ]; then
EXISTING_HASH=$(cat "$PACKAGE_HASH_FILE")
if [ "$PACKAGE_HASH" != "$EXISTING_HASH" ]; then
rm "$PACKAGE_HASH_FILE"
fi
fi
# Run pub get if needed.
if [ ! -f "$PACKAGE_HASH_FILE" ]; then
"$DART" pub get --no-precompile
"$DART" compile kernel bin/build_tool_runner.dart
echo "$PACKAGE_HASH" > "$PACKAGE_HASH_FILE"
fi
set +e
"$DART" bin/build_tool_runner.dill "$@"
exit_code=$?
# 253 means invalid snapshot version.
if [ $exit_code == 253 ]; then
"$DART" pub get --no-precompile
"$DART" compile kernel bin/build_tool_runner.dart
"$DART" bin/build_tool_runner.dill "$@"
exit_code=$?
fi
exit $exit_code