#!/bin/bash
#
# Copyright 2013 The Flutter Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

set -e

# Needed because if it is set, cd may print the path it changed to.
unset CDPATH

# On Mac OS, readlink -f doesn't work, so follow_links traverses the path one
# link at a time, and then cds into the link destination and find out where it
# ends up.
#
# The function is enclosed in a subshell to avoid changing the working directory
# of the caller.
function follow_links() (
  cd -P "$(dirname -- "$1")"
  file="$PWD/$(basename -- "$1")"
  while [[ -h "$file" ]]; do
    cd -P "$(dirname -- "$file")"
    file="$(readlink -- "$file")"
    cd -P "$(dirname -- "$file")"
    file="$PWD/$(basename -- "$file")"
  done
  echo "$file"
)

SCRIPT_DIR=$(follow_links "$(dirname -- "${BASH_SOURCE[0]}")")
SRC_DIR="$(cd "$SCRIPT_DIR/../.."; pwd -P)"
FLUTTER_DIR="$SRC_DIR/flutter"

set -x

PATH="$SRC_DIR/third_party/dart/tools/sdks/dart-sdk/bin:$HOME/depot_tools:$PATH"

cd "$SRC_DIR"

# Build the dart UI files
"$FLUTTER_DIR/tools/gn" --unoptimized
ninja -C "$SRC_DIR/out/host_debug_unopt" generate_dart_ui

# Analyze the dart UI
"$FLUTTER_DIR/ci/analyze.sh"
"$FLUTTER_DIR/ci/licenses.sh"

# Check that dart libraries conform
(cd "$FLUTTER_DIR/web_sdk"; pub get)
(cd "$FLUTTER_DIR"; dart "web_sdk/test/api_conform_test.dart")