365 lines
13 KiB
Bash
Executable File
365 lines
13 KiB
Bash
Executable File
#!/usr/bin/env bash
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# based on scripts in /engine/src/flutter/testing/scenario_app
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# and xcode_backend.sh script for integration in xcode
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# Exit on error
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set -e
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debug_sim=""
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if [[ $(uname -m) == "arm64" ]]; then
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TARGET_POSTFIX='_arm64'
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CLANG_POSTFIX='_arm64'
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SIM_ARCH='arm64'
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else
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TARGET_POSTFIX=''
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CLANG_POSTFIX='_X86'
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SIM_ARCH='x86_64'
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fi
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BuildAppDebug() {
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# Host tools (frontend_server, patched SDK, dartaotruntime) ship in
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# host_release for both debug and release consumers — the frontend_server
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# compiles debug kernels regardless of the host build flavor.
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HOST_TOOLS=$FLUTTER_LOCAL_ENGINE/out/host_release
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if [[ "$debug_sim" == "true" ]]; then
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DEVICE_TOOLS=$FLUTTER_LOCAL_ENGINE/out/tvos_debug_sim_unopt$TARGET_POSTFIX
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else
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# Device build is always arm64; gn outputs `tvos_debug_unopt` without suffix.
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DEVICE_TOOLS=$FLUTTER_LOCAL_ENGINE/out/tvos_debug_unopt
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fi
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ROOTDIR=$(dirname "$PROJECT_DIR")
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OUTDIR=$ROOTDIR/build/ios/Release-iphoneos
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mkdir -p $OUTDIR
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echo " └─OUTDIR: $OUTDIR"
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echo " └─BUILT_PRODUCTS_DIR: $BUILT_PRODUCTS_DIR"
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echo " └─Copying Flutter.framework"
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rm -rf "$OUTDIR/Flutter.framework"
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cp -R "$DEVICE_TOOLS/Flutter.framework" "$OUTDIR"
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tvos_deployment_target="$TVOS_DEPLOYMENT_TARGET"
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echo " └─Generate flutter_assets via flutter build bundle"
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mkdir -p "$OUTDIR/App.framework/flutter_assets"
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# Resolve the flutter CLI: prefer FLUTTER_ROOT from Generated.xcconfig, else
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# fall back to the `flutter` on PATH.
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FLUTTER_BIN=""
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if [ -n "$FLUTTER_ROOT" ] && [ -x "$FLUTTER_ROOT/bin/flutter" ]; then
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FLUTTER_BIN="$FLUTTER_ROOT/bin/flutter"
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elif command -v flutter >/dev/null 2>&1; then
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FLUTTER_BIN="$(command -v flutter)"
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fi
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if [ -z "$FLUTTER_BIN" ]; then
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echo " └─ERROR: flutter CLI not found (set FLUTTER_ROOT or add flutter to PATH)"
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return 1
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fi
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# flutter build bundle produces: AssetManifest, FontManifest, NOTICES,
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# shaders, fonts, assets, packages, plus a kernel_blob.bin and
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# isolate_snapshot_data compiled against the stock flutter engine. We
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# overwrite kernel_blob.bin and both snapshot blobs below with versions
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# from our tvOS engine so the tvOS VM can load them.
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(
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cd "$FLUTTER_APPLICATION_PATH" && \
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"$FLUTTER_BIN" build bundle \
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--asset-dir="$OUTDIR/App.framework/flutter_assets" \
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--no-tree-shake-icons \
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--suppress-analytics
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) || {
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echo " └─ERROR: flutter build bundle failed"
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return 1
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}
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echo " └─Compiling tvOS kernel via local engine frontend_server"
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FRONTEND_SERVER="$HOST_TOOLS/dart-sdk/bin/snapshots/frontend_server_aot.dart.snapshot"
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if [ ! -f "$FRONTEND_SERVER" ]; then
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FRONTEND_SERVER="$HOST_TOOLS/gen/frontend_server_aot.dart.snapshot"
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fi
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"$HOST_TOOLS/dart-sdk/bin/dartaotruntime" \
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"$FRONTEND_SERVER" \
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--sdk-root "$HOST_TOOLS/flutter_patched_sdk" \
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--tfa --target=flutter \
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-DTVOS_BUILD=true \
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--output-dill "$OUTDIR/App.framework/flutter_assets/kernel_blob.bin" \
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"$FLUTTER_APPLICATION_PATH/lib/main.dart"
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echo " └─Copying tvOS VM + isolate snapshots (pure JIT, no gen_snapshot)"
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cp "$DEVICE_TOOLS/gen/flutter/lib/snapshot/vm_isolate_snapshot.bin" \
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"$OUTDIR/App.framework/flutter_assets/vm_snapshot_data"
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cp "$DEVICE_TOOLS/gen/flutter/lib/snapshot/isolate_snapshot.bin" \
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"$OUTDIR/App.framework/flutter_assets/isolate_snapshot_data"
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if [[ "$debug_sim" == "true" ]]; then
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SYSROOT=$(xcrun --sdk appletvsimulator --show-sdk-path)
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else
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SYSROOT=$(xcrun --sdk appletvos --show-sdk-path)
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fi
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echo " └─Creating stub App using $SYSROOT"
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if [[ "$debug_sim" == "true" ]]; then
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echo "static const int Moo = 88;" | xcrun clang -x c \
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-arch $SIM_ARCH \
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-L"$SYSROOT/usr/lib" \
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-isysroot "$SYSROOT" \
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-mappletvsimulator-version-min=$tvos_deployment_target \
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-dynamiclib \
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-Xlinker -rpath -Xlinker '@executable_path/Frameworks' \
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-Xlinker -rpath -Xlinker '@loader_path/Frameworks' \
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-install_name '@rpath/App.framework/App' \
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-o "$OUTDIR/App.framework/App" -
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else
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echo "static const int Moo = 88;" | xcrun clang -x c \
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-arch arm64 \
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-isysroot "$SYSROOT" \
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-mtvos-version-min=$tvos_deployment_target \
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-dynamiclib \
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-Xlinker -rpath -Xlinker '@executable_path/Frameworks' \
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-Xlinker -rpath -Xlinker '@loader_path/Frameworks' \
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-install_name '@rpath/App.framework/App' \
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-o "$OUTDIR/App.framework/App" -
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fi
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strip "$OUTDIR/App.framework/App"
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echo " └─copy frameworks"
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cp "$PROJECT_DIR/scripts/Info.plist" "$OUTDIR/App.framework/Info.plist"
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# For Archive builds BUILT_PRODUCTS_DIR differs from TARGET_BUILD_DIR:
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# Swift compile looks up frameworks under BUILT_PRODUCTS_DIR, but the
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# embedded copy needs to end up inside TARGET_BUILD_DIR/Runner.app.
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cp -R "${OUTDIR}/"{App.framework,Flutter.framework} "$TARGET_BUILD_DIR"
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if [ -n "${BUILT_PRODUCTS_DIR:-}" ] && [ "$BUILT_PRODUCTS_DIR" != "$TARGET_BUILD_DIR" ]; then
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rm -rf "$BUILT_PRODUCTS_DIR/App.framework" "$BUILT_PRODUCTS_DIR/Flutter.framework"
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cp -R "${OUTDIR}/"{App.framework,Flutter.framework} "$BUILT_PRODUCTS_DIR"
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fi
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# Also embed into Runner.app/Frameworks so the dylib @rpath resolves at launch.
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APP_FRAMEWORKS_DIR="$TARGET_BUILD_DIR/$WRAPPER_NAME/Frameworks"
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mkdir -p "$APP_FRAMEWORKS_DIR"
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rm -rf "$APP_FRAMEWORKS_DIR/App.framework" "$APP_FRAMEWORKS_DIR/Flutter.framework"
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cp -R "${OUTDIR}/"{App.framework,Flutter.framework} "$APP_FRAMEWORKS_DIR"
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# Sign the binaries we moved. Both the flat copy (used by linker/embedder)
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# and the embedded copy inside Runner.app/Frameworks need signatures.
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# Skip when signing is disabled (CODE_SIGNING_ALLOWED=NO, unit-test builds,
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# or sim builds where Xcode doesn't sign frameworks). Xcode's own CodeSign
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# phase will sign the final app + frameworks in proper archive builds.
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echo " └─Sign"
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if [[ "$debug_sim" != "true" && -n "${EXPANDED_CODE_SIGN_IDENTITY:-}" && "${CODE_SIGNING_ALLOWED:-YES}" != "NO" ]]; then
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codesign --force --verbose --sign "${EXPANDED_CODE_SIGN_IDENTITY}" -- "${TARGET_BUILD_DIR}/App.framework/App"
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codesign --force --verbose --sign "${EXPANDED_CODE_SIGN_IDENTITY}" -- "${TARGET_BUILD_DIR}/Flutter.framework/Flutter"
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codesign --force --verbose --sign "${EXPANDED_CODE_SIGN_IDENTITY}" -- "${APP_FRAMEWORKS_DIR}/App.framework/App"
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codesign --force --verbose --sign "${EXPANDED_CODE_SIGN_IDENTITY}" -- "${APP_FRAMEWORKS_DIR}/Flutter.framework/Flutter"
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else
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echo " (skipped — no code sign identity or signing disabled)"
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fi
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echo " └─Done"
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return 0
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}
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BuildAppRelease() {
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HOST_TOOLS=$FLUTTER_LOCAL_ENGINE/out/host_release
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DEVICE_TOOLS=$FLUTTER_LOCAL_ENGINE/out/tvos_release
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# Locate gen_snapshot. Use the cross-compile variant that targets iOS/tvOS
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# arm64 (emits arm64-ios assembly). The plain host gen_snapshot targets
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# macOS and its snapshots are rejected at runtime by the iOS/tvOS VM.
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GEN_SNAPSHOT=""
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for cand in \
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"$DEVICE_TOOLS/artifacts_arm64/gen_snapshot_arm64" \
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"$DEVICE_TOOLS/universal/gen_snapshot_arm64" \
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"$DEVICE_TOOLS/artifacts_x64/gen_snapshot_arm64" \
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"$DEVICE_TOOLS/gen_snapshot_arm64"; do
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if [ -x "$cand" ]; then
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GEN_SNAPSHOT="$cand"
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break
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fi
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done
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if [ -z "$GEN_SNAPSHOT" ]; then
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echo " └─ERROR: gen_snapshot not found under $DEVICE_TOOLS or $HOST_TOOLS"
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return 1
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fi
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ROOTDIR=$(dirname "$PROJECT_DIR")
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OUTDIR=$ROOTDIR/build/ios/Release-iphoneos
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mkdir -p "$OUTDIR"
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echo " └─OUTDIR: $OUTDIR"
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echo " └─gen_snapshot: $GEN_SNAPSHOT"
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echo " └─Copying Flutter.framework"
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rm -rf "$OUTDIR/Flutter.framework"
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cp -R "$DEVICE_TOOLS/Flutter.framework" "$OUTDIR"
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tvos_deployment_target="$TVOS_DEPLOYMENT_TARGET"
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# Resolve flutter CLI.
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FLUTTER_BIN=""
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if [ -n "$FLUTTER_ROOT" ] && [ -x "$FLUTTER_ROOT/bin/flutter" ]; then
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FLUTTER_BIN="$FLUTTER_ROOT/bin/flutter"
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elif command -v flutter >/dev/null 2>&1; then
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FLUTTER_BIN="$(command -v flutter)"
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fi
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if [ -z "$FLUTTER_BIN" ]; then
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echo " └─ERROR: flutter CLI not found (set FLUTTER_ROOT or add flutter to PATH)"
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return 1
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fi
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echo " └─Generate flutter_assets via flutter build bundle (release)"
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mkdir -p "$OUTDIR/App.framework/flutter_assets"
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(
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cd "$FLUTTER_APPLICATION_PATH" && \
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"$FLUTTER_BIN" build bundle \
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--release \
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--asset-dir="$OUTDIR/App.framework/flutter_assets" \
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--no-tree-shake-icons \
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--suppress-analytics
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) || {
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echo " └─ERROR: flutter build bundle failed"
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return 1
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}
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# AOT builds don't need kernel_blob.bin in flutter_assets — the compiled
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# arm64 code lives in App.framework/App itself.
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rm -f "$OUTDIR/App.framework/flutter_assets/kernel_blob.bin"
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echo " └─Compiling AOT kernel via local engine frontend_server"
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# The snapshot under dart-sdk/bin/snapshots/ is the actual AOT-compiled one;
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# the one under gen/ is a stale/placeholder kernel.
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FRONTEND_SERVER="$HOST_TOOLS/dart-sdk/bin/snapshots/frontend_server_aot.dart.snapshot"
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if [ ! -f "$FRONTEND_SERVER" ]; then
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FRONTEND_SERVER="$HOST_TOOLS/gen/frontend_server_aot.dart.snapshot"
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fi
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"$HOST_TOOLS/dart-sdk/bin/dartaotruntime" \
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"$FRONTEND_SERVER" \
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--sdk-root "$HOST_TOOLS/flutter_patched_sdk" \
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--aot --tfa --target=flutter \
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-Ddart.vm.product=true \
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-Ddart.vm.profile=false \
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-DFLUTTER_BUILD_MODE=release \
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-DTARGET_PLATFORM=TVOS \
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-DTVOS_BUILD=true \
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--output-dill "$OUTDIR/app.dill" \
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"$FLUTTER_APPLICATION_PATH/lib/main.dart"
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echo " └─Compiling AOT Assembly"
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"$GEN_SNAPSHOT" \
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--deterministic \
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--snapshot_kind=app-aot-assembly \
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--assembly="$OUTDIR/snapshot_assembly.S" \
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--strip \
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"$OUTDIR/app.dill"
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echo " └─Compiling Assembly"
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SYSROOT=$(xcrun --sdk appletvos --show-sdk-path)
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cc -arch arm64 \
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-isysroot "$SYSROOT" \
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-mtvos-version-min=$tvos_deployment_target \
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-c "$OUTDIR/snapshot_assembly.S" \
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-o "$OUTDIR/snapshot_assembly.o"
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echo " └─Linking app"
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clang -arch arm64 \
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-isysroot "$SYSROOT" \
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-mtvos-version-min=$tvos_deployment_target \
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-dynamiclib \
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-Xlinker -rpath -Xlinker @executable_path/Frameworks \
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-Xlinker -rpath -Xlinker @loader_path/Frameworks \
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-install_name @rpath/App.framework/App \
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-o "$OUTDIR/App.framework/App" \
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"$OUTDIR/snapshot_assembly.o"
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strip "$OUTDIR/App.framework/App"
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cp "$PROJECT_DIR/scripts/Info.plist" "$OUTDIR/App.framework/Info.plist"
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echo " └─copy frameworks"
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# Archive builds point BUILT_PRODUCTS_DIR at a separate products path that
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# Swift compile scans for frameworks — copy there too so downstream
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# compilation in the same target can resolve Flutter.h.
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cp -R "${OUTDIR}/"{App.framework,Flutter.framework} "$TARGET_BUILD_DIR"
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if [ -n "${BUILT_PRODUCTS_DIR:-}" ] && [ "$BUILT_PRODUCTS_DIR" != "$TARGET_BUILD_DIR" ]; then
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rm -rf "$BUILT_PRODUCTS_DIR/App.framework" "$BUILT_PRODUCTS_DIR/Flutter.framework"
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cp -R "${OUTDIR}/"{App.framework,Flutter.framework} "$BUILT_PRODUCTS_DIR"
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fi
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APP_FRAMEWORKS_DIR="$TARGET_BUILD_DIR/$WRAPPER_NAME/Frameworks"
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mkdir -p "$APP_FRAMEWORKS_DIR"
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rm -rf "$APP_FRAMEWORKS_DIR/App.framework" "$APP_FRAMEWORKS_DIR/Flutter.framework"
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cp -R "${OUTDIR}/"{App.framework,Flutter.framework} "$APP_FRAMEWORKS_DIR"
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echo " └─Sign"
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if [[ -n "${EXPANDED_CODE_SIGN_IDENTITY:-}" && "${CODE_SIGNING_ALLOWED:-YES}" != "NO" ]]; then
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codesign --force --verbose --sign "${EXPANDED_CODE_SIGN_IDENTITY}" -- "${TARGET_BUILD_DIR}/App.framework/App"
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codesign --force --verbose --sign "${EXPANDED_CODE_SIGN_IDENTITY}" -- "${TARGET_BUILD_DIR}/Flutter.framework/Flutter"
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codesign --force --verbose --sign "${EXPANDED_CODE_SIGN_IDENTITY}" -- "${APP_FRAMEWORKS_DIR}/App.framework/App"
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codesign --force --verbose --sign "${EXPANDED_CODE_SIGN_IDENTITY}" -- "${APP_FRAMEWORKS_DIR}/Flutter.framework/Flutter"
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else
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echo " (skipped — no code sign identity or signing disabled)"
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fi
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echo " └─Done"
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return 0
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}
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BuildApp() {
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local build_mode="$(echo "${FLUTTER_BUILD_MODE:-${CONFIGURATION}}" | tr "[:upper:]" "[:lower:]")"
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echo "Compiling Flutter/App.Framework"
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if [ -z "$FLUTTER_LOCAL_ENGINE" ]; then
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echo " └─ERROR: FLUTTER_LOCAL_ENGINE not set!"
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return 1;
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fi
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echo " └─engine $FLUTTER_LOCAL_ENGINE"
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if [[ "$PLATFORM_NAME" == "appletvsimulator" && "$build_mode" =~ "debug" ]]; then
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debug_sim="true"
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BuildAppDebug
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elif [[ "$build_mode" =~ "debug" ]]; then
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BuildAppDebug
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elif [[ "$build_mode" =~ "release" ]]; then
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# release/archive (archive: build mode == "release" && ${ACTION} == "install")
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BuildAppRelease
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else
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echo " └─ERROR: unknown target: ${build_mode}"
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return 1;
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fi
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return 0
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}
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# Main entry point.
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if [[ $# == 0 ]]; then
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# Backwards-compatibility: if no args are provided, build and embed.
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BuildApp
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EmbedFlutterFrameworks
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else
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case $1 in
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"build")
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BuildApp ;;
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# "embed_and_thin")
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# "Not needed, used from flutter xcode_backend.sh script"
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esac
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fi
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