def targets = [
  'linux',
  'win',
  'osx',
]

def osslTarUrl = 'http://downloads.sourceforge.net/project/osslsigncode/osslsigncode/osslsigncode-1.7.1.tar.gz'
def osslPatchUrl = 'https://bitcoincore.org/cfields/osslsigncode-Backports-to-1.7.1.patch'
def SDK_URL='https://bitcoincore.org/depends-sources/sdks'
def OSX_SDK='10.11'
def proc = 4
def mem = 2000

def repositoryUrl = "https://github.com/dashpay/dash.git"

def tasks = [:]
for(int i = 0; i < targets.size(); i++) {
  def target = targets[i]

  tasks["${target}"] = {
    node {
      deleteDir() // cleanup workspace

      def pwd = sh(returnStdout: true, script: 'pwd').trim()
      def dockerGid = sh(returnStdout: true, script: "stat -c '%g' /var/run/docker.sock").trim()
      def BRANCH_NAME = sh(returnStdout: true, script: 'echo $BRANCH_NAME').trim()
      def commit = BRANCH_NAME
      def hasCache = false

      def gitianDescriptor

      stage("${target}/prepare") {
        dir('dash') {
          checkout scm
          gitianDescriptor = readYaml file: "contrib/gitian-descriptors/gitian-${target}.yml"
        }
        dir('gitian-builder') {
          git url: 'https://github.com/dashpay/gitian-builder.git'
        }
        sh "mkdir -p dashcore-binaries"
        if (target == "osx") {
          dir('gitian-builder') {
            sh 'mkdir -p inputs'
            sh "curl --location --fail $SDK_URL/MacOSX${OSX_SDK}.sdk.tar.gz -o inputs/MacOSX${OSX_SDK}.sdk.tar.gz"
          }
        }

        // restore cache
        try {
          copyArtifacts(projectName: "dashpay-dash-gitian-nightly/${BRANCH_NAME}", optional: true, selector: lastSuccessful(), filter: "cache-${gitianDescriptor.name}.tar.gz")
        } catch (Exception e) {
        }
        if (fileExists("cache-${gitianDescriptor.name}.tar.gz")) {
          hasCache = true
          echo "Using cache from dashpay-dash-gitian-nightly/${BRANCH_NAME}"
        } else {
          try {
            copyArtifacts(projectName: 'dashpay-dash-gitian-nightly/develop', optional: true, selector: lastSuccessful(), filter: "cache-${gitianDescriptor.name}.tar.gz");
          } catch (Exception e) {
          }
          if (fileExists("cache-${gitianDescriptor.name}.tar.gz")) {
            hasCache = true
            echo "Using cache from dashpay-dash-gitian-nightly/develop"
          }
        }
      }

      def gitianImage
      stage("${target}/builder-image") {
        dir('dash') {
          gitianImage = docker.build("dash-gitian:${env.BUILD_ID}", 'ci -f ci/Dockerfile.gitian-builder')
        }
      }

      gitianImage.inside("--group-add ${dockerGid} -t -v \"/var/run/docker.sock:/var/run/docker.sock\"") {
        sh "mkdir -p gitian-builder/cache"
        if (hasCache) {
          sh "cd gitian-builder/cache && tar xzfv ../../cache-${gitianDescriptor.name}.tar.gz"
        }

        stage("${target}/download") {
          dir('gitian-builder') {
            sh "mkdir -p inputs"
            sh "cd inputs && curl -R -O ${osslPatchUrl}"
            sh "cd inputs && curl -R -O ${osslTarUrl}"
            sh "make -C ../dash/depends download SOURCES_PATH=`pwd`/cache/common"
          }
        }
        stage("${target}/base-vm") {
          dir('gitian-builder') {
            sh "./bin/make-base-vm --suite bionic --arch amd64 --docker"
          }
        }

        stage("${target}/gbuild") {
          dir('gitian-builder') {
            // make sure an old version is not running
            sh "docker rm -fv gitian-target || true"

            try {
              sh """
                tail -F var/install.log &
                tail -F var/build.log &
                USE_DOCKER=1 ./bin/gbuild -j ${proc} -m ${mem} --commit dash=${commit} --url dash=${repositoryUrl} ../dash/contrib/gitian-descriptors/gitian-${target}.yml
                RET=\$?
                # give the above tail calls enough time to print everything on failure
                sleep 2s
                exit \$RET
              """
            } finally {
              // make sure it doesn't run forever
              sh "docker rm -fv gitian-target || true"
            }
            sh "mv build/out/dashcore-* ../dashcore-binaries/"
            sh "mv build/out/src/dashcore-* ../dashcore-binaries/"
          }
          archiveArtifacts artifacts: 'dashcore-binaries/*', fingerprint: true
        }

        sh "cd gitian-builder/cache && tar czfv ../../cache-${gitianDescriptor.name}.tar.gz common ${gitianDescriptor.name}"
        archiveArtifacts artifacts: "cache-${gitianDescriptor.name}.tar.gz", fingerprint: true
      }
    }
  }
}

parallel tasks