#!/bin/bash
# Copyright 2017 gRPC authors.
#
# 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.

# Source this rc script to prepare the environment for macos builds

# show original open file limit values
launchctl limit maxfiles
ulimit -a

# Add GCP credentials for BQ access
pip install google-api-python-client oauth2client --user python
export GOOGLE_APPLICATION_CREDENTIALS=${KOKORO_GFILE_DIR}/GrpcTesting-d0eeee2db331.json

# If this is a PR using RUN_TESTS_FLAGS var, then add flags to filter tests
if [ -n "$KOKORO_GITHUB_PULL_REQUEST_NUMBER" ]; then
  set +x
  brew update
  brew install jq || brew upgrade jq
  ghprbTargetBranch=$(curl -s https://api.github.com/repos/grpc/grpc/pulls/$KOKORO_GITHUB_PULL_REQUEST_NUMBER | jq -r .base.ref)
  export RUN_TESTS_FLAGS="$RUN_TESTS_FLAGS --filter_pr_tests --base_branch origin/$ghprbTargetBranch"

  # TODO(matt-kwong): rename this to GITHUB_OAUTH_TOKEN after Jenkins deprecation
  export JENKINS_OAUTH_TOKEN=$(cat ${KOKORO_GFILE_DIR}/oauth_token.txt)
  export ghprbPullId=$KOKORO_GITHUB_PULL_REQUEST_NUMBER
  set -x
fi

set +ex  # rvm script is very verbose and exits with errorcode
# Advice from https://github.com/Homebrew/homebrew-cask/issues/8629#issuecomment-68641176
brew update && brew upgrade brew-cask && brew cleanup && brew cask cleanup
source $HOME/.rvm/scripts/rvm
set -e  # rvm commands are very verbose
time rvm install 2.5.0
rvm use 2.5.0 --default
time gem install bundler -v 1.17.3 --no-ri --no-doc
time gem install cocoapods --version 1.3.1 --no-ri --no-doc
time gem install rake-compiler --no-ri --no-doc
rvm osx-ssl-certs status all
rvm osx-ssl-certs update all
set -ex

# cocoapods
export LANG=en_US.UTF-8
time pod repo update  # needed by python

# python
time pip install virtualenv --user python
time pip install -U Mako six tox setuptools twisted pyyaml pyjwt cryptography requests --user python
export PYTHONPATH=/Library/Python/3.4/site-packages

# Install Python 3.7
time curl -O https://www.python.org/ftp/python/3.7.0/python-3.7.0-macosx10.9.pkg
time sudo installer -pkg ./python-3.7.0-macosx10.9.pkg -target /

# set xcode version for Obj-C tests
sudo xcode-select -switch /Applications/Xcode_9.2.app/Contents/Developer/

# Disable some unwanted dotnet options
export NUGET_XMLDOC_MODE=skip
export DOTNET_SKIP_FIRST_TIME_EXPERIENCE=true
export DOTNET_CLI_TELEMETRY_OPTOUT=true

# TODO(jtattermusch): better debugging of clock skew, remove once not needed
date

time git submodule update --init

# Store intermediate build files of ObjC tests into /tmpfs
mkdir /tmpfs/Build-ios-binary-size
ln -s /tmpfs/Build-ios-binary-size src/objective-c/examples/Sample/Build
mkdir -p /tmpfs/DerivedData
rm -rf ~/Library/Developer/Xcode/DerivedData
mkdir -p ~/Library/Developer/Xcode
ln -s /tmpfs/DerivedData ~/Library/Developer/Xcode/DerivedData

# PHP tests currently require using an older version of PHPUnit
ln -sf /usr/local/bin/phpunit-5.7 /usr/local/bin/phpunit