dev/bots/codelabs_build_test.sh

#!/usr/bin/env bash
# Copyright 2014 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 -ex

readonly SCRIPTS_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
readonly ROOT_DIR="$SCRIPTS_DIR/.."

function is_expected_failure() {
  # A test target was specified with the 'build' command.
  grep --quiet "is not configured for Running" "$1"
}

log_file="build_log_for_104_complete.txt"
build_command="flutter build bundle"

# Attempt to build 104-complete Shrine app from the Flutter codelabs
git clone https://github.com/material-components/material-components-flutter-codelabs.git
cd material-components-flutter-codelabs/mdc_100_series/
git checkout 104-complete

all_builds_ok=1
echo "$build_command"
$build_command 2>&1 | tee "$log_file"

if [ ${PIPESTATUS[0]} -eq 0 ] || is_expected_failure "$log_file"; then
  rm "$log_file"
else
  all_builds_ok=0
  echo "View https://github.com/flutter/flutter/blob/master/dev/bots/README.md for steps to resolve this failed build test." >> ${log_file}
  echo
  echo "Log left in $log_file."
  echo
fi

# If any build failed, exit with a failure exit status so continuous integration
# tools can react appropriately.
if [ "$all_builds_ok" -eq 1 ]; then
  exit 0
else
  exit 1
fi