source: Jenkinsfile @ 29f4fe62

//===========================================================================================================
// Main compilation routine
//===========================================================================================================
//Compilation script is done here but environnement set-up and error handling is done in main loop
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'

                //Run the tests from the example directory
                dir ('src/examples') {
                        sh './runTests.sh'
                }

        build_stage 'Cleanup'

                //Cleanup the install dir
                sh "rm -rf ${install_dir}/*"
}

//===========================================================================================================
// Helper classes/variables/routines to make the status and stage name easier to use
//===========================================================================================================
//Description of a compiler
class CC_Desc {
        String name
        String cpp-cc
        String cfa-backend-cc
}

//Global Variables defining the compiler and at which point in the build we are
def currentCC
def status_prefix

//Wrapper to sync stage name and status name
def build_stage(String name) {
        def stage_name = "${currentCC.name} ${name}".trim()
        stage stage_name

                status_prefix = stage_name
}

//===========================================================================================================
// Main loop of the compilation
//===========================================================================================================
node ('master'){

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

        try {
                //Prevent the build from exceeding 30 minutes
                timeout(30) {

                        //Wrap build to add timestamp to command line
                        wrap([$class: 'TimestamperBuildWrapper']) {

                                //Compile using gcc-4.9
                                currentCC = ['gcc-4.9', 'g++-4.9', 'gcc-4.9'] as CC_Desc
                                build()

                        }
                }

        }

        //If an exception is caught we need to change the status and remember to
        //attach the build log to the email
        catch (Exception caughtError) {
                //rethrow error later
                err = caughtError

                //An error has occured, the build log is relevent
                log_needed = true

                //Store the result of the build log
                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
                }
        }
}

//===========================================================================================================
//Routine responsible of sending the email notification once the build is completed
//===========================================================================================================
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
}