pipeline {
  agent { label params.AGENT_LABEL }

  environment {
    /* See nix/README.md */
    NIX_IGNORE_SYMLINK_STORE = 1
    /* we source .bash_profile to be able to use nix-store */
    NIX_SSHOPTS = "-o StrictHostKeyChecking=no source .bash_profile;"
    /* where our /nix/store is hosted */
    NIX_CACHE_USER = 'nix-cache'
    NIX_CACHE_HOST = 'master-01.do-ams3.ci.misc.statusim.net'
    NIX_CONF_DIR = "${env.WORKSPACE}/nix"
  }

  options {
    timestamps()
    disableConcurrentBuilds()
    /* Prevent Jenkins jobs from running forever */
    timeout(time: 300, unit: 'MINUTES')
    /* Limit builds retained */
    buildDiscarder(logRotator(
      numToKeepStr: '20',
      daysToKeepStr: '30',
    ))
  }

  stages {
    stage('Prep') {
      steps { script {
        nix = load('ci/nix.groovy')
      } }
    }
    stage('Setup') {
      steps { script {
        sh 'scripts/setup'
        nix.shell('nix-env -i openssh', pure: false)
      } }
    }
    stage('Build status-go') {
      steps { script {
        ['android', 'desktop', 'ios'].each { os ->
          nix.build(
            attr: "targets.status-go.${os}.buildInputs",
            args: ['target-os': 'all'],
            link: false
          )
        }
      } }
    }
    stage('Build android jsbundle') {
      steps { script {
        /* build/fetch things required to produce a js-bundle for android
         * (e.g. maven and node repos) */
        nix.build(
          attr: 'targets.mobile.jsbundle',
          args: ['target-os': 'android'],
          pure: false,
          link: false
        )
      } }
    }
    stage('Build android deps') {
      steps { script {
        /* build/fetch things required to build jsbundle and android */
        nix.build(
          attr: 'targets.mobile.android.buildInputs',
          args: ['target-os': 'android'],
          pure: false,
          link: false
        )
      } }
    }
    stage('Build nix shell deps') {
      steps { script {
        /* build/fetch things required to instantiate shell.nix for TARGET_OS=all */
        nix.build(
          attr: 'shell',
          args: ['target-os': 'all'],
          link: false
        )
      } }
    }
    stage('Upload') {
      steps { script {
        sshagent(credentials: ['nix-cache-ssh']) {
          nix.shell("""
              find /nix/store/ -mindepth 1 -maxdepth 1 -type d \
                -not -name '*.links' -and -not -name '*-status-react-*' \
                | xargs nix-copy-closure -v --to ${NIX_CACHE_USER}@${NIX_CACHE_HOST}
            """,
            pure: false
          )
        }
      } }
    }
  }
  post {
    always { script {
      nix.shell('nix-store --optimize', pure: false)
      nix.shell('nix/clean.sh', pure: false)
    } }
  }
}