Eric Seidel
128 lines
4.2 KiB
Bash
Executable File
128 lines
4.2 KiB
Bash
Executable File
#!/bin/sh -e
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# Given a path to a Flutter engine, generate a shorebird version of it.
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# This is done by removing all the files that are not needed for the
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# Flutter engine to run.
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# Currently, only the android arm64 release version of the engine is supported.
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#
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# Usage:
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# ./build_engine <path-to-engine> <output-directory>
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# The path to the shorebird checkout.
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SHOREBIRD_PATH=$(dirname $(dirname $(realpath $0)))
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# The path to the Flutter engine.
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ENGINE_PATH=$(realpath $1)
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# The path where the shorebird engine will be generated.
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OUTPUT_PATH=$2
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if [[ "$OUTPUT_PATH" = /* ]]
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then
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: # Absolute path
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else
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:
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echo "Output path must be absolute"
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exit 1
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fi
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echo "Building engine from $ENGINE_PATH to $OUTPUT_PATH"
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# Assume cargo-ndk is already installed:
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# cargo install cargo-ndk
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# Assume the toolchains are already installed
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# rustup target add \
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# aarch64-linux-android \
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# armv7-linux-androideabi \
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# x86_64-linux-android \
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# i686-linux-android
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# Build the Rust library.
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cd $SHOREBIRD_PATH/updater/library
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# Build both the arm64 and armv7 versions of the library.
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cargo ndk \
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--target aarch64-linux-android \
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--target armv7-linux-androideabi \
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build --release
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# We assume the engine has symlinks set up for now (we should not rely on this).
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# Build the patch tool.
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cd $SHOREBIRD_PATH/updater/patch
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cargo build --release
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# Build the engine
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cd $ENGINE_PATH
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# Build the engine in release mode for android arm64.
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./src/flutter/tools/gn --android --android-cpu=arm64 --runtime-mode=release --no-goma
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ninja -C ./src/out/android_release_arm64
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# Build the the host_release output.
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./src/flutter/tools/gn --runtime-mode=release --no-goma
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ninja -C ./src/out/host_release
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# List of all files to keep.
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KEEP_FILES=(
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"out/android_release_arm64/libflutter.so"
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"out/android_release_arm64/arm64_v8a_release.pom"
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"out/android_release_arm64/flutter_embedding_release.jar"
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"out/android_release_arm64/flutter_patched_sdk/platform_strong.dill"
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"out/android_release_arm64/clang_arm64/impellerc"
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"out/android_release_arm64/clang_arm64/gen_snapshot_arm64"
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"out/android_release_arm64/clang_arm64/gen_snapshot"
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"out/android_release_arm64/arm64_v8a_release.jar"
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"out/android_release_arm64/flutter_embedding_release.pom"
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"out/android_release_arm64/flutter_embedding_release.maven-metadata.xml"
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"out/android_release_arm64/flutter_embedding_release-sources.jar"
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"out/android_release_arm64/arm64_v8a_release.maven-metadata.xml"
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"out/host_release/gen/const_finder.dart.snapshot"
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"out/host_release/font-subset"
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"flutter/prebuilts/macos-x64/dart-sdk/LICENSE"
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"flutter/prebuilts/macos-x64/dart-sdk/bin/dartaotruntime"
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"flutter/prebuilts/macos-x64/dart-sdk/bin/snapshots/analysis_server.dart.snapshot"
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"flutter/prebuilts/macos-x64/dart-sdk/bin/snapshots/kernel-service.dart.snapshot"
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"flutter/prebuilts/macos-x64/dart-sdk/bin/snapshots/gen_kernel.dart.snapshot"
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"flutter/prebuilts/macos-x64/dart-sdk/bin/snapshots/dartdevc.dart.snapshot"
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"flutter/prebuilts/macos-x64/dart-sdk/bin/snapshots/dart2js.dart.snapshot"
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"flutter/prebuilts/macos-x64/dart-sdk/bin/snapshots/dartdev.dart.snapshot"
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"flutter/prebuilts/macos-x64/dart-sdk/bin/snapshots/kernel_worker.dart.snapshot"
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"flutter/prebuilts/macos-x64/dart-sdk/bin/snapshots/dartdev.dill"
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"flutter/prebuilts/macos-x64/dart-sdk/bin/snapshots/frontend_server.dart.snapshot"
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# "flutter/prebuilts/macos-x64/dart-sdk/bin/snapshots/dart2wasm_product.snapshot"
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"flutter/prebuilts/macos-x64/dart-sdk/bin/snapshots/dds.dart.snapshot"
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"flutter/prebuilts/macos-x64/dart-sdk/bin/dart"
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"flutter/prebuilts/macos-x64/dart-sdk/bin/utils/gen_snapshot"
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"flutter/prebuilts/macos-x64/dart-sdk/README"
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"flutter/prebuilts/macos-x64/dart-sdk/version"
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"flutter/prebuilts/macos-x64/dart-sdk/revision"
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)
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cd -
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TEMP_DIR=`mktemp -d`
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# Copy all files to temp directory.
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for file in "${KEEP_FILES[@]}"
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do
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mkdir -p $TEMP_DIR/$(dirname $file)
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cp -r $ENGINE_PATH/src/$file $TEMP_DIR/$file
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done
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cp $SHOREBIRD_PATH/updater/target/release/patch $TEMP_DIR/patch
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cd $TEMP_DIR
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# Zip the output.
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zip -r -X engine.zip *
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cd -
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# Create the output directory.
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mkdir -p $OUTPUT_PATH
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cp $TEMP_DIR/engine.zip $OUTPUT_PATH/engine.zip
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# Clean up.
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rm -rf $TEMP_DIR
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