def build() {
	build_stage 'Checkout'
		def install_dir = pwd tmp: true
		//checkout the source code and clean the repo
		sh "rm -rf * ${install_dir}/*"
		checkout scm

	build_stage 'Build'

		//Configure the conpilation (Output is not relevant)
		//Use the current directory as the installation target so nothing
		//escapes the sandbox
		//Also specify the compiler by hand
		sh "./configure CXX=${currentCC.cpp-cc} --with-backend-compiler=${currentCC.cfa-backend-cc} --prefix=${install_dir} > /dev/null"

		//Compile the project
		sh 'make -j 8 install'

	build_stage 'Test'

		status_prefix = 'Test'

		dir ('src/examples') {
			sh './runTests.sh'
		}

	build_stage 'Cleanup'

		//install doesn't need to be cleaned since prefix uses temporary workspace
}

class CC_Desc {
	String name
	String cpp-cc
	String cfa-backend-cc
}

def currentCC

def build_stage(String name) {
	def stage_name = "${currentCC.name} ${name}".trim()
	stage stage_name

		status_prefix = stage_name
}

node ('master'){

	def err = null
	def status_prefix
	def log_needed = false
	currentBuild.result = "SUCCESS"

	try {
		currentCC = ['gcc-4.9', 'g++-4.9', 'gcc-4.9'] as CC_Desc
		build()

	}

	catch (Exception caughtError) {
		err = caughtError
		log_needed = true
		currentBuild.result = "${status_prefix} FAILURE".trim()
	}

	finally {
		//Send email with final results
		email(currentBuild.result, log_needed)

		/* Must re-throw exception to propagate error */
		if (err) {
			throw err
		}
	}
}

def email(String status, boolean log) {
	//Since tokenizer doesn't work, figure stuff out from the environnement variables and command line
	//Configurations for email format
	def project_name = (env.JOB_NAME =~ /(.+)\/.+/)[0][1].toLowerCase()

	def email_subject = "[${project_name} git][BUILD# ${env.BUILD_NUMBER} - ${status}] - branch ${env.BRANCH_NAME}"
	def email_body = """This is an automated email from the Jenkins build machine. It was
generated because of a git hooks/post-receive script following
a ref change was pushed to the repository containing
the project "UNNAMED PROJECT".

The branch ${env.BRANCH_NAME} has been updated.

Check console output at ${env.BUILD_URL} to view the results."""

	// def config = new File('/u/cforall/software/cfa/cfa-cc/config').text
	// def email_to = (config =~ /mailinglist ?= ?(.+)/)[0][1]
	def email_to = "pabuhr@uwaterloo.ca, rschlunt@uwaterloo.ca, a3moss@uwaterloo.ca, tdelisle@uwaterloo.ca, brice.dobry@huawei.com"

	//send email notification
	emailext body: email_body, subject: email_subject, to: email_to, attachLog: log
}