| #!/bin/bash |
| set -e |
| |
| # felt: a command-line utility for building and testing Flutter web engine. |
| # It stands for Flutter Engine Local Tester. |
| # TODO: Add git fetch --tags step. Tags are critical for the correct Dart |
| # version. |
| |
| FELT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )" |
| |
| KERNEL_NAME=`uname` |
| CPU_NAME=`uname -m` |
| ENGINE_SRC_DIR="$(dirname $(dirname $(dirname $(dirname ${FELT_DIR}))))" |
| FLUTTER_DIR="${ENGINE_SRC_DIR}/flutter" |
| SDK_PREBUILTS_DIR="${FLUTTER_DIR}/prebuilts" |
| |
| # If set to 0 (the default) will run felt non-incrementally. For example, it will |
| # run pub get. |
| # If set to 1 (via the -i option) will run felt incrementally. |
| INCREMENTAL=0 |
| |
| # All arguments passed to felt, except -i, if any. |
| ARGS="" |
| for arg in "$@" ; do |
| case "$arg" in |
| -i) |
| INCREMENTAL=1 |
| shift |
| ;; |
| *) |
| ARGS="${ARGS} ${arg}" |
| ;; |
| esac |
| done |
| |
| if [ -z "${DART_SDK_DIR}" ] |
| then |
| if [[ $KERNEL_NAME == *"Darwin"* ]] |
| then |
| TARGET_OS="macos" |
| elif [[ $KERNEL_NAME == *"Linux"* ]] |
| then |
| TARGET_OS="linux" |
| else |
| echo "Unrecognized kernel name: ${KERNEL_NAME}" |
| exit 1 |
| fi |
| |
| if [[ $CPU_NAME == *"x86_64"* ]] |
| then |
| TARGET_ARCH="x64" |
| elif [[ $CPU_NAME == *"arm64"* ]] |
| then |
| TARGET_ARCH="arm64" |
| else |
| echo "Unrecognized architecture: ${CPU_NAME}" |
| exit 1 |
| fi |
| |
| PREBUILT_TARGET="${TARGET_OS}-${TARGET_ARCH}" |
| DART_SDK_DIR="${SDK_PREBUILTS_DIR}/${PREBUILT_TARGET}/dart-sdk" |
| |
| if [ ! -d "$DART_SDK_DIR" ] |
| then |
| echo "Prebuilt dart sdk for ${PREBUILT_TARGET} not found." |
| echo "Note: You can specify your own path to a built dart sdk with the DART_SDK_DIR environment variable." |
| exit 1 |
| fi |
| |
| else |
| if [ ! -d "$DART_SDK_DIR" ] |
| then |
| echo "Explicitly specified dart SDK not found at ${DART_SDK_DIR}." |
| exit 1 |
| fi |
| fi |
| |
| WEB_UI_DIR="${FLUTTER_DIR}/lib/web_ui" |
| DART_PATH="$DART_SDK_DIR/bin/dart" |
| |
| if [[ "$FELT_DEBUG" == "true" || "$FELT_DEBUG" == "1" ]] |
| then |
| FELT_DEBUG_FLAGS="--enable-vm-service --pause-isolates-on-start" |
| fi |
| |
| SILENT_LOG=/tmp/felt_pub_get_silent_log.txt |
| trap "rm -f $SILENT_LOG" EXIT |
| |
| verbose_on_failure() { |
| echo "FAILED with the following output:" |
| cat $SILENT_LOG |
| exit 1 |
| } |
| |
| silent_on_success() { |
| COMMAND=${1+"$@"} |
| $COMMAND > $SILENT_LOG 2>&1 || verbose_on_failure |
| } |
| |
| install_deps() { |
| # We need to run pub get here before we actually invoke felt. |
| echo "Running \`dart pub get\` in 'engine/src/flutter/lib/web_ui'" |
| (cd "$WEB_UI_DIR"; silent_on_success $DART_PATH pub get) |
| } |
| |
| cd $WEB_UI_DIR |
| if [[ "$INCREMENTAL" == "0" ]] |
| then |
| install_deps |
| fi |
| |
| (cd $WEB_UI_DIR && $DART_SDK_DIR/bin/dart run $FELT_DEBUG_FLAGS dev/felt.dart ${ARGS}) |