CI/CD for iOS apps on Jenkins

Jenkinsfile

def bucket = 'mobile-artifacts-foxintelligence'

node('mac') {
    try {
        stage('Checkout') {
            checkout scm
            notifySlack('STARTED')
        }

        stage('Install Dependencies') {
           sh "pod install"
        }

        stage('Build') {
            if (env.BRANCH_NAME == 'master'){
                sh "bundle exec fastlane prod_testflight"
            }
            if (env.BRANCH_NAME == 'preprod'){
                sh "bundle exec fastlane staging"
            }
            if (env.BRANCH_NAME == 'develop'){
                sh "bundle exec fastlane develop"
            }
        }

        stage('Push') {
            sh "aws s3 cp Cleanfox.ipa s3://${bucket}/ios/cleanfox-${commitID()}.ipa"

            if (env.BRANCH_NAME == 'master'){
                sh "aws s3 cp Cleanfox.ipa s3://${bucket}/ios/cleanfox-latest.ipa"
            }
            if (env.BRANCH_NAME == 'preprod'){
                sh "aws s3 cp Cleanfox.ipa s3://${bucket}/ios/cleanfox-preprod.ipa"
            }
            if (env.BRANCH_NAME == 'develop'){
                sh "aws s3 cp Cleanfox.ipa s3://${bucket}/ios/cleanfox-develop.ipa"
            }
        }

        stage('Test') {
            if (env.BRANCH_NAME == 'master'){
                sh 'bundle fastlane tests --scheme "Production"'
            }
            if (env.BRANCH_NAME == 'preprod'){
                sh 'bundle fastlane tests --scheme "Staging"'
            }
            if (env.BRANCH_NAME == 'develop'){
                sh 'bundle fastlane tests --scheme "Sandbox"'
            }
        }
    }catch(e){
        currentBuild.result = 'FAILED'
        throw e
    }finally{
        notifySlack(currentBuild.result)
    }
}

def notifySlack(String buildStatus){
    buildStatus =  buildStatus ?: 'SUCCESSFUL'
    def colorCode = '#FF0000'
    def subject = "Name: '${env.JOB_NAME}'\nStatus: ${buildStatus}\nBuild ID: ${env.BUILD_NUMBER}"
    def summary = "${subject}\nMessage: ${commitMessage()}\nAuthor: ${commitAuthor()}\nURL: ${env.BUILD_URL}"

    if (buildStatus == 'STARTED') {
        colorCode = '#546e7a'
    } else if (buildStatus == 'SUCCESSFUL') {
        colorCode = '#2e7d32'
    } else {
        colorCode = '#c62828c'
    }

    slackSend (color: colorCode, message: summary)
}

def commitAuthor(){
    sh 'git show -s --pretty=%an > .git/commitAuthor'
    def commitAuthor = readFile('.git/commitAuthor').trim()
    sh 'rm .git/commitAuthor'
    commitAuthor
}

def commitID() {
    sh 'git rev-parse HEAD > .git/commitID'
    def commitID = readFile('.git/commitID').trim()
    sh 'rm .git/commitID'
    commitID
}

def commitMessage() {
    sh 'git log --format=%B -n 1 HEAD > .git/commitMessage'
    def commitMessage = readFile('.git/commitMessage').trim()
    sh 'rm .git/commitMessage'
    commitMessage
}