build.yml

name: Arduino IDE

on:
  create:
  push:
    branches:
      - main
      - '[0-9]+.[0-9]+.x'
    paths-ignore:
      - '.github/**'
      - '!.github/workflows/build.yml'
      - '.vscode/**'
      - 'docs/**'
      - 'scripts/**'
      - '!scripts/merge-channel-files.js'
      - 'static/**'
      - '*.md'
    tags:
      - '[0-9]+.[0-9]+.[0-9]+*'
  workflow_dispatch:
    inputs:
      paid-runners:
        description: Include builds on non-free runners
        type: boolean
        default: false
  pull_request:
    paths-ignore:
      - '.github/**'
      - '!.github/workflows/build.yml'
      - '.vscode/**'
      - 'docs/**'
      - 'scripts/**'
      - '!scripts/merge-channel-files.js'
      - 'static/**'
      - '*.md'
  schedule:
    - cron: '0 3 * * *' # run every day at 3AM (https://docs.github.com/en/actions/reference/events-that-trigger-workflows#scheduled-events-schedule)
  workflow_run:
    workflows:
      - Push Container Images
    branches:
      - main
    types: 
      - completed

env:
  # See vars.GO_VERSION field of https://github.com/arduino/arduino-cli/blob/master/DistTasks.yml
  GO_VERSION: '1.19'
  # See: https://github.com/actions/setup-node/#readme
  NODE_VERSION: '18.17'
  JOB_TRANSFER_ARTIFACT: build-artifacts
  CHANGELOG_ARTIFACTS: changelog
  STAGED_CHANNEL_FILES_ARTIFACT: staged-channel-files
  BASE_BUILD_DATA: |
    - config:
        # Human identifier for the job.
        name: Windows
        runs-on: windows-2019
        # The value is a string representing a JSON document.
        # Setting this to null causes the job to run directly in the runner machine instead of in a container.
        container: |
          null
        # Name of the secret that contains the certificate.
        certificate-secret: WINDOWS_SIGNING_CERTIFICATE_PFX
        # Name of the secret that contains the certificate password.
        certificate-password-secret: WINDOWS_SIGNING_CERTIFICATE_PASSWORD
        # File extension for the certificate.
        certificate-extension: pfx
        # Quoting on the value is required here to allow the same comparison expression syntax to be used for this
        # and the companion needs.select-targets.outputs.merge-channel-files property (output values always have string
        # type).
        mergeable-channel-file: 'false'
      artifacts:
        - path: '*Windows_64bit.exe'
          name: Windows_X86-64_interactive_installer
        - path: '*Windows_64bit.msi'
          name: Windows_X86-64_MSI
        - path: '*Windows_64bit.zip'
          name: Windows_X86-64_zip
    - config:
        name: Linux
        runs-on: ubuntu-latest
        container: |
          {
            \"image\": \"ghcr.io/arduino/arduino-ide/linux:main\"
          }
        mergeable-channel-file: 'false'
      artifacts:
        - path: '*Linux_64bit.zip'
          name: Linux_X86-64_zip
        - path: '*Linux_64bit.AppImage'
          name: Linux_X86-64_app_image
    - config:
        name: macOS x86
        runs-on: macos-latest
        container: |
          null
        # APPLE_SIGNING_CERTIFICATE_P12 secret was produced by following the procedure from:
        # https://www.kencochrane.com/2020/08/01/build-and-sign-golang-binaries-for-macos-with-github-actions/#exporting-the-developer-certificate
        certificate-secret: APPLE_SIGNING_CERTIFICATE_P12
        certificate-password-secret: KEYCHAIN_PASSWORD
        certificate-extension: p12
        mergeable-channel-file: 'true'
      artifacts:
        - path: '*macOS_64bit.dmg'
          name: macOS_X86-64_dmg
        - path: '*macOS_64bit.zip'
          name: macOS_X86-64_zip
  PAID_RUNNER_BUILD_DATA: |
    - config:
        name: macOS ARM
        runs-on: macos-latest-xlarge
        container: |
          null
        certificate-secret: APPLE_SIGNING_CERTIFICATE_P12
        certificate-password-secret: KEYCHAIN_PASSWORD
        certificate-extension: p12
        mergeable-channel-file: 'true'
      artifacts:
        - path: '*macOS_arm64.dmg'
          name: macOS_arm64_dmg
        - path: '*macOS_arm64.zip'
          name: macOS_arm64_zip

jobs:
  run-determination:
    runs-on: ubuntu-latest
    outputs:
      result: ${{ steps.determination.outputs.result }}
    permissions: {}
    steps:
      - name: Determine if the rest of the workflow should run
        id: determination
        run: |
          RELEASE_BRANCH_REGEX="refs/heads/[0-9]+.[0-9]+.x"
          # The `create` event trigger doesn't support `branches` filters, so it's necessary to use Bash instead.
          if [[
            "${{ github.event_name }}" != "create" ||
            "${{ github.ref }}" =~ $RELEASE_BRANCH_REGEX
          ]]; then
            # Run the other jobs.
            RESULT="true"
          else
            # There is no need to run the other jobs.
            RESULT="false"
          fi

          echo "result=$RESULT" >> $GITHUB_OUTPUT

  build-type-determination:
    needs: run-determination
    if: needs.run-determination.outputs.result == 'true'
    runs-on: ubuntu-latest
    outputs:
      is-release: ${{ steps.determination.outputs.is-release }}
      is-nightly: ${{ steps.determination.outputs.is-nightly }}
      channel-name: ${{ steps.determination.outputs.channel-name }}
      publish-to-s3: ${{ steps.determination.outputs.publish-to-s3 }}
    permissions: {}
    steps:
      - name: Determine the type of build
        id: determination
        run: |
          if [[
            "${{ startsWith(github.ref, 'refs/tags/') }}" == "true"
          ]]; then
            is_release="true"
            is_nightly="false"
            channel_name="stable"
          elif [[
            "${{ github.event_name }}" == "schedule" ||
            (
              "${{ github.event_name }}" == "workflow_dispatch" &&
              "${{ github.ref }}" == "refs/heads/main"
            )
          ]]; then
            is_release="false"
            is_nightly="true"
            channel_name="nightly"
          else
            is_release="false"
            is_nightly="false"
            channel_name="nightly"
          fi

          echo "is-release=$is_release" >> $GITHUB_OUTPUT
          echo "is-nightly=$is_nightly" >> $GITHUB_OUTPUT
          echo "channel-name=$channel_name" >> $GITHUB_OUTPUT
          # Only attempt upload to Amazon S3 if the credentials are available.
          echo "publish-to-s3=${{ secrets.AWS_SECRET_ACCESS_KEY != '' }}" >> $GITHUB_OUTPUT

  select-targets:
    needs: build-type-determination
    runs-on: ubuntu-latest
    outputs:
      artifact-matrix: ${{ steps.assemble.outputs.artifact-matrix }}
      build-matrix: ${{ steps.assemble.outputs.build-matrix }}
      merge-channel-files: ${{ steps.assemble.outputs.merge-channel-files }}
    permissions: {}
    steps:
      - name: Assemble target data
        id: assemble
        run: |
          # Only run the builds that incur runner charges on release or select manually triggered runs.
          if [[
            "${{ needs.build-type-determination.outputs.is-release }}" == "true" ||
            "${{ github.event.inputs.paid-runners }}" == "true"
          ]]; then
            build_matrix="$(
              (
                echo "${{ env.BASE_BUILD_DATA }}";
                echo "${{ env.PAID_RUNNER_BUILD_DATA }}"
              ) | \
              yq \
                --output-format json \
                '[.[].config]'
            )"

            artifact_matrix="$(
              (
                echo "${{ env.BASE_BUILD_DATA }}";
                echo "${{ env.PAID_RUNNER_BUILD_DATA }}"
              ) | \
              yq \
                --output-format json \
                '[.[].artifacts.[]]'
            )"

            # The build matrix produces two macOS jobs (x86 and ARM) so the "channel update info files"
            # generated by each must be merged.
            merge_channel_files="true"

          else
            build_matrix="$(
              echo "${{ env.BASE_BUILD_DATA }}" | \
              yq \
                --output-format json \
                '[.[].config]'
            )"

            artifact_matrix="$(
              echo "${{ env.BASE_BUILD_DATA }}" | \
              yq \
                --output-format json \
                '[.[].artifacts.[]]'
            )"

            merge_channel_files="false"
          fi

          # Set workflow step outputs.
          # See: https://docs.github.com/actions/using-workflows/workflow-commands-for-github-actions#multiline-strings
          delimiter="$RANDOM"
          echo "build-matrix<<$delimiter" >> $GITHUB_OUTPUT
          echo "$build_matrix" >> $GITHUB_OUTPUT
          echo "$delimiter" >> $GITHUB_OUTPUT

          delimiter="$RANDOM"
          echo "artifact-matrix<<$delimiter" >> $GITHUB_OUTPUT
          echo "$artifact_matrix" >> $GITHUB_OUTPUT
          echo "$delimiter" >> $GITHUB_OUTPUT

          echo "merge-channel-files=$merge_channel_files" >> $GITHUB_OUTPUT

  build:
    name: build (${{ matrix.config.name }})
    needs:
      - build-type-determination
      - select-targets
    env:
      # Location of artifacts generated by build.
      BUILD_ARTIFACTS_PATH: electron-app/dist/build-artifacts
    strategy:
      matrix:
        config: ${{ fromJson(needs.select-targets.outputs.build-matrix) }}
    runs-on: ${{ matrix.config.runs-on }}
    container: ${{ fromJSON(matrix.config.container) }}
    defaults:
      run:
        # Avoid problems caused by different default shell for container jobs (sh) vs non-container jobs (bash).
        shell: bash

    timeout-minutes: 90

    steps:
      - name: Checkout
        if: fromJSON(matrix.config.container) == null
        uses: actions/checkout@v4

      - name: Checkout
        # actions/checkout@v4 has dependency on a higher version of glibc than available in the Linux container.
        if: fromJSON(matrix.config.container) != null
        uses: actions/checkout@v3

      - name: Install Node.js
        if: fromJSON(matrix.config.container) == null
        uses: actions/setup-node@v4
        with:
          node-version: ${{ env.NODE_VERSION }}
          registry-url: 'https://registry.npmjs.org'
          cache: 'yarn'

      - name: Install Python 3.x
        if: fromJSON(matrix.config.container) == null
        uses: actions/setup-python@v5
        with:
          python-version: '3.11.x'

      - name: Install Go
        if: fromJSON(matrix.config.container) == null
        uses: actions/setup-go@v5
        with:
          go-version: ${{ env.GO_VERSION }}

      - name: Install Go
        # actions/setup-go@v5 has dependency on a higher version of glibc than available in the Linux container.
        if: fromJSON(matrix.config.container) != null
        uses: actions/setup-go@v4
        with:
          go-version: ${{ env.GO_VERSION }}

      - name: Install Taskfile
        uses: arduino/setup-task@v1
        with:
          repo-token: ${{ secrets.GITHUB_TOKEN }}
          version: 3.x

      - name: Package
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          AC_USERNAME: ${{ secrets.AC_USERNAME }}
          AC_PASSWORD: ${{ secrets.AC_PASSWORD }}
          AC_TEAM_ID: ${{ secrets.AC_TEAM_ID }}
          AWS_ACCESS_KEY_ID: ${{ secrets.AWS_ACCESS_KEY_ID }}
          AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
          IS_NIGHTLY: ${{ needs.build-type-determination.outputs.is-nightly }}
          IS_RELEASE: ${{ needs.build-type-determination.outputs.is-release }}
          CAN_SIGN: ${{ secrets[matrix.config.certificate-secret] != '' }}
          # The CREATE_* environment vars are only used to run tests. These secrets are optional. Dependent tests will
          # be skipped if not available.
          CREATE_USERNAME: ${{ secrets.CREATE_USERNAME }}
          CREATE_PASSWORD: ${{ secrets.CREATE_PASSWORD }}
          CREATE_CLIENT_SECRET: ${{ secrets.CREATE_CLIENT_SECRET }}
        run: |
          # See: https://www.electron.build/code-signing
          if [ $CAN_SIGN = false ]; then
            echo "Skipping the app signing: certificate not provided."
          else
            export CSC_LINK="${{ runner.temp }}/signing_certificate.${{ matrix.config.certificate-extension }}"
            echo "${{ secrets[matrix.config.certificate-secret] }}" | base64 --decode > "$CSC_LINK"
            export CSC_KEY_PASSWORD="${{ secrets[matrix.config.certificate-password-secret] }}"
            export CSC_FOR_PULL_REQUEST=true
          fi

          npx node-gyp install
          yarn install --immutable

          yarn --cwd arduino-ide-extension build
          yarn test
          yarn --cwd arduino-ide-extension test:slow
          yarn --cwd arduino-ide-extension lint

          yarn --cwd electron-app rebuild
          yarn --cwd electron-app build
          yarn --cwd electron-app package

      # Both macOS jobs generate a "channel update info file" with same path and name. The second job to complete would
      # overwrite the file generated by the first in the workflow artifact.
      - name: Stage channel file for merge
        if: >
          needs.select-targets.outputs.merge-channel-files == 'true' &&
          matrix.config.mergeable-channel-file == 'true'
        run: |
          staged_channel_files_path="${{ runner.temp }}/staged-channel-files"
          mkdir "$staged_channel_files_path"
          mv \
            "${{ env.BUILD_ARTIFACTS_PATH }}/${{ needs.build-type-determination.outputs.channel-name }}-mac.yml" \
            "${staged_channel_files_path}/${{ needs.build-type-determination.outputs.channel-name }}-mac-${{ runner.arch }}.yml"

          # Set workflow environment variable for use in other steps.
          # See: https://docs.github.com/actions/using-workflows/workflow-commands-for-github-actions#setting-an-environment-variable
          echo "STAGED_CHANNEL_FILES_PATH=$staged_channel_files_path" >> "$GITHUB_ENV"

      - name: Upload staged-for-merge channel file artifact
        uses: actions/upload-artifact@v3
        if: >
          needs.select-targets.outputs.merge-channel-files == 'true' &&
          matrix.config.mergeable-channel-file == 'true'
        with:
          if-no-files-found: error
          name: ${{ env.STAGED_CHANNEL_FILES_ARTIFACT }}
          path: ${{ env.STAGED_CHANNEL_FILES_PATH }}

      - name: Upload [GitHub Actions]
        uses: actions/upload-artifact@v3
        with:
          name: ${{ env.JOB_TRANSFER_ARTIFACT }}
          path: ${{ env.BUILD_ARTIFACTS_PATH }}

  merge-channel-files:
    needs:
      - build-type-determination
      - select-targets
      - build
    if: needs.select-targets.outputs.merge-channel-files == 'true'
    runs-on: ubuntu-latest
    permissions: {}
    steps:
      - name: Set environment variables
        run: |
          # See: https://docs.github.com/actions/using-workflows/workflow-commands-for-github-actions#setting-an-environment-variable
          echo "CHANNEL_FILES_PATH=${{ runner.temp }}/channel-files" >> "$GITHUB_ENV"

      - name: Checkout
        uses: actions/checkout@v4

      - name: Download staged-for-merge channel files artifact
        uses: actions/download-artifact@v3
        with:
          name: ${{ env.STAGED_CHANNEL_FILES_ARTIFACT }}
          path: ${{ env.CHANNEL_FILES_PATH }}

      - name: Remove no longer needed artifact
        uses: geekyeggo/delete-artifact@v4
        with:
          name: ${{ env.STAGED_CHANNEL_FILES_ARTIFACT }}

      - name: Install Node.js
        uses: actions/setup-node@v4
        with:
          node-version: ${{ env.NODE_VERSION }}
          registry-url: 'https://registry.npmjs.org'
          cache: 'yarn'

      - name: Install Go
        uses: actions/setup-go@v5
        with:
          go-version: ${{ env.GO_VERSION }}

      - name: Install Task
        uses: arduino/setup-task@v1
        with:
          repo-token: ${{ secrets.GITHUB_TOKEN }}
          version: 3.x

      - name: Install dependencies
        run: yarn

      - name: Merge "channel update info files"
        run: |
          node \
            ./scripts/merge-channel-files.js \
              --channel "${{ needs.build-type-determination.outputs.channel-name }}" \
              --input "${{ env.CHANNEL_FILES_PATH }}"

      - name: Upload merged channel files to job transfer artifact
        uses: actions/upload-artifact@v3
        with:
          if-no-files-found: error
          name: ${{ env.JOB_TRANSFER_ARTIFACT }}
          path: ${{ env.CHANNEL_FILES_PATH }}

  artifacts:
    name: ${{ matrix.artifact.name }} artifact
    needs:
      - select-targets
      - build
    if: always() && needs.build.result != 'skipped'
    runs-on: ubuntu-latest

    strategy:
      matrix:
        artifact: ${{ fromJson(needs.select-targets.outputs.artifact-matrix) }}

    steps:
      - name: Download job transfer artifact
        uses: actions/download-artifact@v3
        with:
          name: ${{ env.JOB_TRANSFER_ARTIFACT }}
          path: ${{ env.JOB_TRANSFER_ARTIFACT }}

      - name: Upload tester build artifact
        uses: actions/upload-artifact@v3
        with:
          name: ${{ matrix.artifact.name }}
          path: ${{ env.JOB_TRANSFER_ARTIFACT }}/${{ matrix.artifact.path }}

  changelog:
    needs:
      - build-type-determination
      - build
    runs-on: ubuntu-latest
    outputs:
      BODY: ${{ steps.changelog.outputs.BODY }}
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0 # To fetch all history for all branches and tags.

      - name: Generate Changelog
        id: changelog
        env:
          IS_RELEASE: ${{ needs.build-type-determination.outputs.is-release }}
        run: |
          export LATEST_TAG=$(git describe --abbrev=0)
          export GIT_LOG=$(git log --pretty=" - %s [%h]" $LATEST_TAG..HEAD | sed 's/ *$//g')
          if [ "$IS_RELEASE" = true ]; then
            export BODY=$(echo -e "$GIT_LOG")
          else
            export LATEST_TAG_WITH_LINK=$(echo "[$LATEST_TAG](https://github.com/arduino/arduino-ide/releases/tag/$LATEST_TAG)")
            if [ -z "$GIT_LOG" ]; then
                export BODY="There were no changes since version $LATEST_TAG_WITH_LINK."
            else
                export BODY=$(echo -e "Changes since version $LATEST_TAG_WITH_LINK:\n$GIT_LOG")
            fi
          fi
          echo -e "$BODY"

          # Set workflow step output
          # See: https://docs.github.com/actions/using-workflows/workflow-commands-for-github-actions#multiline-strings
          DELIMITER="$RANDOM"
          echo "BODY<<$DELIMITER" >> $GITHUB_OUTPUT
          echo "$BODY" >> $GITHUB_OUTPUT
          echo "$DELIMITER" >> $GITHUB_OUTPUT

          echo "$BODY" > CHANGELOG.txt

      - name: Upload Changelog [GitHub Actions]
        if: needs.build-type-determination.outputs.is-nightly == 'true'
        uses: actions/upload-artifact@v3
        with:
          name: ${{ env.JOB_TRANSFER_ARTIFACT }}
          path: CHANGELOG.txt

  publish:
    needs:
      - build-type-determination
      - merge-channel-files
      - changelog
    if: >
      always() &&
      needs.build-type-determination.result == 'success' &&
      (
        needs.merge-channel-files.result == 'skipped' ||
        needs.merge-channel-files.result == 'success'
      ) &&
      needs.changelog.result == 'success' &&
      needs.build-type-determination.outputs.publish-to-s3 == 'true' &&
      needs.build-type-determination.outputs.is-nightly == 'true'
    runs-on: ubuntu-latest
    steps:
      - name: Download [GitHub Actions]
        uses: actions/download-artifact@v3
        with:
          name: ${{ env.JOB_TRANSFER_ARTIFACT }}
          path: ${{ env.JOB_TRANSFER_ARTIFACT }}

      - name: Publish Nightly [S3]
        uses: docker://plugins/s3
        env:
          PLUGIN_SOURCE: '${{ env.JOB_TRANSFER_ARTIFACT }}/*'
          PLUGIN_STRIP_PREFIX: '${{ env.JOB_TRANSFER_ARTIFACT }}/'
          PLUGIN_TARGET: '/arduino-ide/nightly'
          PLUGIN_BUCKET: ${{ secrets.DOWNLOADS_BUCKET }}
          AWS_ACCESS_KEY_ID: ${{ secrets.AWS_ACCESS_KEY_ID }}
          AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_SECRET_ACCESS_KEY }}

  release:
    needs:
      - build-type-determination
      - merge-channel-files
      - changelog
    if: >
      always() &&
      needs.build-type-determination.result == 'success' &&
      (
        needs.merge-channel-files.result == 'skipped' ||
        needs.merge-channel-files.result == 'success'
      ) &&
      needs.changelog.result == 'success' &&
      needs.build-type-determination.outputs.is-release == 'true'
    runs-on: ubuntu-latest
    steps:
      - name: Download [GitHub Actions]
        uses: actions/download-artifact@v3
        with:
          name: ${{ env.JOB_TRANSFER_ARTIFACT }}
          path: ${{ env.JOB_TRANSFER_ARTIFACT }}

      - name: Get Tag
        id: tag_name
        run: |
          echo "TAG_NAME=${GITHUB_REF#refs/tags/}" >> $GITHUB_OUTPUT

      - name: Publish Release [GitHub]
        uses: svenstaro/upload-release-action@2.7.0
        with:
          repo_token: ${{ secrets.GITHUB_TOKEN }}
          release_name: ${{ steps.tag_name.outputs.TAG_NAME }}
          file: ${{ env.JOB_TRANSFER_ARTIFACT }}/*
          tag: ${{ github.ref }}
          file_glob: true
          body: ${{ needs.changelog.outputs.BODY }}

      - name: Publish Release [S3]
        if: needs.build-type-determination.outputs.publish-to-s3 == 'true'
        uses: docker://plugins/s3
        env:
          PLUGIN_SOURCE: '${{ env.JOB_TRANSFER_ARTIFACT }}/*'
          PLUGIN_STRIP_PREFIX: '${{ env.JOB_TRANSFER_ARTIFACT }}/'
          PLUGIN_TARGET: '/arduino-ide'
          PLUGIN_BUCKET: ${{ secrets.DOWNLOADS_BUCKET }}
          AWS_ACCESS_KEY_ID: ${{ secrets.AWS_ACCESS_KEY_ID }}
          AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_SECRET_ACCESS_KEY }}

  clean:
    # This job must run after all jobs that use the transfer artifact.
    needs:
      - build
      - merge-channel-files
      - publish
      - release
      - artifacts
    if: always() && needs.build.result != 'skipped'
    runs-on: ubuntu-latest

    steps:
      - name: Remove unneeded job transfer artifact
        uses: geekyeggo/delete-artifact@v4
        with:
          name: ${{ env.JOB_TRANSFER_ARTIFACT }}