.kokoro

#!/bin/bash
#
# Copyright 2017-present The Material Components for iOS Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

# Fail on any error.
set -e

KOKORO_RUNNER_VERSION="v4.*"

# Kokoro only supports up to 8.2 for now. Once 8.3 support is introduced we will bump this version.
XCODE_MINIMUM_VERSION="8.2.0"

fix_bazel_imports() {
  if [ -z "$KOKORO_BUILD_NUMBER" ]; then
    tests_dir_prefix=""
  else
    tests_dir_prefix="github/repo/"
  fi
  
  rewrite_tests() {
    find "${stashed_dir}${tests_dir_prefix}"components/*/tests/unit -type f -name '*.swift' -exec sed -i '' -E "$1" {} + || true
  }
  rewrite_source() {
    find "${stashed_dir}${tests_dir_prefix}"components/*/src -type f -name '*.h' -exec sed -i '' -E "$1" {} + || true
    find "${stashed_dir}${tests_dir_prefix}"components/*/src -type f -name '*.m' -exec sed -i '' -E "$1" {} + || true
  }

  stashed_dir=""
  rewrite_tests "s/import MaterialComponents.MaterialMath/import components_private_Math_Math/"
  rewrite_tests "s/import MaterialComponents.Material(.+)/import components_\1_\1/"
  rewrite_source "s/import <Motion(.+)\/Motion.+\.h>/import \"Motion\1.h\"/"
  rewrite_source "s/import <MDF(.+)\/MDF.+\.h>/import \"MDF\1.h\"/"
  stashed_dir="$(pwd)/"
  reset_imports() {
    # Undoes our source changes from above.
    rewrite_tests "s/import components_private_Math_Math/import MaterialComponents.MaterialMath/"
    rewrite_tests "s/import components_(.+)_.+/import MaterialComponents.Material\1/"
    rewrite_source "s/import \"Motion(.+)\.h\"/import <Motion\1\/Motion\1.h>/"
    rewrite_source "s/import \"MDF(.+)\.h\"/import <MDF\1\/MDF\1.h>/"
  }
  trap reset_imports EXIT
}

version_as_number() {
  padded_version="${1%.}" # Strip any trailing dots
  # Pad with .0 until we get a M.m.p version string.
  while [ $(grep -o "\." <<< "$padded_version" | wc -l) -lt "2" ]; do
    padded_version=${padded_version}.0
  done
  echo "${padded_version//.}"
}

run_bazel() {
  echo "Running bazel builds..."

  fix_bazel_imports

  if [ -n "$VERBOSE_OUTPUT" ]; then
    verbosity_args="-v"
  fi

  ./.kokoro-ios-runner/bazel.sh test //components/... \
      --min-xcode-version $XCODE_MINIMUM_VERSION \
      $verbosity_args \
      --ios_minimum_os=8.0 \
      --ios_multi_cpus=i386,x86_64
}

run_cocoapods() {
  echo "Running cocoapods builds..."

  xcode_min_version_as_number="$(version_as_number $XCODE_MINIMUM_VERSION)"

  if [ -n "$KOKORO_BUILD_NUMBER" ]; then
    # Move into our cloned repo
    cd github/repo

    gem install xcpretty cocoapods --no-rdoc --no-ri --no-document --quiet
    pod --version
  fi

  ls /Applications/ | grep "Xcode" | while read -r xcode_path; do
    xcode_version=$(cat /Applications/$xcode_path/Contents/version.plist \
      | grep "CFBundleShortVersionString" -A1 \
      | grep string \
      | cut -d'>' -f2 \
      | cut -d'<' -f1)
    if [ -n "$xcode_min_version_as_number" ]; then
      xcode_version_as_number="$(version_as_number $xcode_version)"

      if [ "$xcode_version_as_number" -lt "$xcode_min_version_as_number" ]; then
        continue
      fi
    fi

    sudo xcode-select --switch /Applications/$xcode_path/Contents/Developer
    xcodebuild -version

    # Resolves the following crash when switching Xcode versions:
    # "Failed to locate a valid instance of CoreSimulatorService in the bootstrap"
    launchctl remove com.apple.CoreSimulator.CoreSimulatorService || true

    scripts/prep_all
    scripts/build_all --verbose
    if [ "$IS_RELEASE" -eq "1" ]; then
      scripts/test_all
    else
      scripts/test_all catalog/MDCCatalog.xcworkspace:MDCUnitTests
    fi
  done

  bash <(curl -s https://codecov.io/bash)
}

POSITIONAL=()
while [[ $# -gt 0 ]]; do
  key="$1"

  case $key in
  -v|--verbose)
    VERBOSE_OUTPUT="1"
    shift
    ;;
  *)
    POSITIONAL+=("$1")
    shift
    ;;
  esac
done
set -- "${POSITIONAL[@]}" # restore positional parameters

if [ -n "$KOKORO_BUILD_NUMBER" ]; then
  # Always enable verbose output on kokoro runs.
  VERBOSE_OUTPUT=1
fi

if [ -n "$VERBOSE_OUTPUT" ]; then
  # Display commands to stderr.
  set -x
fi

if [ ! -d .kokoro-ios-runner ]; then
  git clone https://github.com/material-foundation/kokoro-ios-runner.git .kokoro-ios-runner
fi

pushd .kokoro-ios-runner
git fetch > /dev/null
TAG=$(git tag --sort=v:refname -l "$KOKORO_RUNNER_VERSION" | tail -n1)
git checkout "$TAG" > /dev/null
popd

case "$DEPENDENCY_SYSTEM" in
  "bazel")      run_bazel ;;
  "cocoapods")  run_cocoapods ;;

  *)            run_bazel ;;
esac

echo "Success!"