build-package.sh

#!/bin/bash

##
# Copyright IBM Corporation 2016
#
# 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.
##

# This script builds the Swift package on Travis CI.
# If running on the OS X platform, homebrew (http://brew.sh/) must be installed
# for this script to work.

# If any commands fail, we want the shell script to exit immediately.
set -e

function usage {
  echo "Usage: build-package.sh -projectDir <project dir> [-credentialsDir <credentials dir>]"
  echo -e "\t<project dir>: \t\tThe directory where the project resides."
  echo -e "\t<credentials dir>:\tThe directory where the test credentials reside. (optional)"
  exit 1
}

temp_projectBuildDir=$1
temp_credentialsDir=$2

while [ $# -ne 0 ]
do
  case "$1" in
    -projectDir)
      shift
      projectBuildDir=$1
      ;;
    -credentialsDir)
      shift
      credentialsDir=$1
      ;;
  esac
  shift
done

if [ -z "$projectBuildDir" ]; then
  if [[ "$temp_projectBuildDir" = -* ]]; then
    usage
  else
    projectBuildDir=$temp_projectBuildDir
  fi
fi

if [ -z "$credentialsDir" ]; then
  if [ -n "$temp_credentialsDir" ]; then
    if [ "$temp_credentialsDir" != "$projectBuildDir" ]; then
      credentialsDir=$temp_credentialsDir
    fi
  fi
fi

# Utility functions
function sourceScript () {
  if [ -e "$1" ]; then
  	source "$1"
    echo "$2"
  fi
}

# Determine platform/OS
echo ">> uname: $(uname)"
if [ "$(uname)" == "Darwin" ]; then
  osName="osx"
elif [ "$(expr substr $(uname -s) 1 5)" == "Linux" ]; then
  osName="linux"
else
  echo ">> Unsupported platform!"
  exit 1
fi
echo ">> osName: $osName"

# Make the working directory the parent folder of this script
cd "$(dirname "$0")"/..

# Get project name from project folder
export projectFolder=`pwd`
projectName="$(basename $projectFolder)"
echo ">> projectName: $projectName"
echo

# Swift version for build
if [ -f "$projectFolder/.swift-version" ]; then
  string="$(cat $projectFolder/.swift-version)";
  if [[ $string == *"swift-"* ]]; then
    echo ">> using SWIFT_VERSION from file"
    export SWIFT_SNAPSHOT=$string
  else
    echo ">> normalizing SWIFT_VERSION from file"
    add="swift-"
    export SWIFT_SNAPSHOT=$add$string
  fi
else
  echo ">> no swift-version file using default value"
  export SWIFT_SNAPSHOT=swift-3.0.1-RELEASE
fi

echo ">> SWIFT_SNAPSHOT: $SWIFT_SNAPSHOT"

# Install Swift binaries
source ${projectFolder}/Package-Builder/${osName}/install_swift_binaries.sh $projectFolder

# Show path
echo ">> PATH: $PATH"

# Run SwiftLint to ensure Swift style and conventions
# swiftlint

# Build swift package
echo ">> Building swift package..."
cd ${projectFolder} && swift build
echo ">> Finished building swift package..."

# Copy test credentials for project if available
if [ -e "${credentialsDir}" ]; then
	echo ">> Found folder with test credentials."
  
  # Copy test credentials over
  echo ">> copying ${credentialsDir} to ${projectBuildDir}"
  cp -RP ${credentialsDir}/* ${projectBuildDir}
else
  echo ">> No folder found with test credentials."
fi

# Execute test cases
if [ -e "${projectFolder}/Tests" ]; then
    echo ">> Testing Swift package..."
    # Execute OS specific pre-test steps
    sourceScript "`find ${projectFolder} -path "*/${projectName}/${osName}/before_tests.sh" -not -path "*/Package-Builder/*" -not -path "*/Packages/*"`" ">> Completed ${osName} pre-tests steps."

    # Execute common pre-test steps
    sourceScript "`find ${projectFolder} -path "*/${projectName}/common/before_tests.sh" -not -path "*/Package-Builder/*" -not -path "*/Packages/*"`" ">> Completed common pre-tests steps."

    swift test

    # Execute common post-test steps
    sourceScript "`find ${projectFolder} -path "*/${projectName}/common/after_tests.sh" -not -path "*/Package-Builder/*" -not -path "*/Packages/*"`" ">> Completed common post-tests steps."

    # Execute OS specific post-test steps
    sourceScript "`find ${projectFolder} -path "*/${projectName}/${osName}/after_tests.sh" -not -path "*/Package-Builder/*" -not -path "*/Packages/*"`" ">> Completed ${osName} post-tests steps."

    echo ">> Finished testing Swift package."
    echo
else
    echo ">> No testcases exist..."
fi

# Generate test code coverage report
sourceScript "${projectFolder}/Package-Builder/codecov.sh"