# Home Assistant Operating System build workflow

name: Development build

on:
  workflow_dispatch:
  pull_request_target:
    types: [opened,synchronize,labeled]

jobs:
  prepare:
    if: ${{ github.event_name == 'workflow_dispatch' || contains(github.event.pull_request.labels.*.name, 'run-dev-build') }}
    name: Prepare build
    runs-on: [ "ubuntu-20.04" ]
    permissions:
      contents: read
      pull-requests: read
    outputs:
      version_main: ${{ steps.version_main.outputs.version_main }}
      version_dev: ${{ steps.version_dev.outputs.version_dev }}${{ steps.version_pr.outputs.version_pr }}
      matrix: ${{ steps.generate_matrix.outputs.result }}
    steps:
      - name: Generate Development build version
        shell: bash
        id: version_dev
        run: |
          version_dev="dev$(date --utc +'%Y%m%d')"
          echo "Development version \"${version_dev}\""
          echo "version_dev=${version_dev}" >> $GITHUB_OUTPUT
      - name: Generate Development build version for PR
        if: ${{ github.event.pull_request }}
        shell: bash
        id: version_pr
        run: |
          version_pr=$(printf "%05d" ${{ github.event.pull_request.number }})
          echo "Development build for PR #${{ github.event.pull_request.number }}"
          echo "version_pr=${version_pr}" >> $GITHUB_OUTPUT
      - uses: actions/checkout@v3
      - name: Get Major/Minor version
        id: version_main
        run: |
          major=$(cat ${GITHUB_WORKSPACE}/buildroot-external/meta | grep VERSION_MAJOR | cut -d'=' -f2)
          build=$(cat ${GITHUB_WORKSPACE}/buildroot-external/meta | grep VERSION_BUILD | cut -d'=' -f2)
          echo "version_main=${major}.${build}" >> $GITHUB_OUTPUT
      - name: Create build matrix
        uses: actions/github-script@v6
        id: generate_matrix
        with:
          script: |
            const boards = require('./.github/workflows/matrix.json')

            if (context.eventName == "workflow_dispatch") {
              console.log("Run full build for all boards")
              return { "board": boards }
            }

            const labels = context.payload.pull_request.labels.map(l => l.name)
            const labelsSet = new Set(labels)
            const buildBoards = boards.filter(b => labelsSet.has(b.label))

            return { "board": buildBoards }

  build:
    if: ${{ github.event_name == 'workflow_dispatch' || contains(github.event.pull_request.labels.*.name, 'run-dev-build') }}
    name: Development build for ${{ matrix.board.id }}
    environment: "dev_build"
    needs: prepare
    strategy:
      fail-fast: false
      matrix: ${{ fromJson(needs.prepare.outputs.matrix) }}
    runs-on: ${{ matrix.board.runner }}

    steps:
      - name: Define git reference
        uses: actions/github-script@v6
        id: generate_gitref
        with:
          script: |
            if (context.eventName == "workflow_dispatch")
              return { "ref": context.ref }
            return { "ref": context.payload.pull_request.head.sha }

      - name: Checkout source
        uses: actions/checkout@v3
        with:
          submodules: true
          persist-credentials: false
          ref: ${{ fromJSON(steps.generate_gitref.outputs.result).ref }}

      - name: Build container
        run: docker build -t haos-builder .

      - name: 'Add release PKI certs'
        env:
          RAUC_CERTIFICATE: ${{ secrets.RAUC_CERTIFICATE }}
          RAUC_PRIVATE_KEY: ${{ secrets.RAUC_PRIVATE_KEY }}
        run: |
          echo -e "-----BEGIN CERTIFICATE-----\n${RAUC_CERTIFICATE}\n-----END CERTIFICATE-----" > cert.pem
          echo -e "-----BEGIN PRIVATE KEY-----\n${RAUC_PRIVATE_KEY}\n-----END PRIVATE KEY-----" > key.pem

      - name: Build
        run: |
          BUILDER_UID="$(id -u)"
          BUILDER_GID="$(id -g)"
          docker run --rm --privileged -v "${GITHUB_WORKSPACE}:/build" \
            -e BUILDER_UID="${BUILDER_UID}" -e BUILDER_GID="${BUILDER_GID}" \
            -v "${{ matrix.board.runner }}-build-cache:/cache" \
            -v "/build/output" \
            haos-builder make BUILDDIR=/build VERSION_DEV=${{ needs.prepare.outputs.version_dev }} ${{ matrix.board.defconfig }}

      - name: Upload images
        uses: burnett01/rsync-deployments@5.2
        with:
          rsh: -q
          switches: -aW
          path: release/
          remote_path: ${{ secrets.DEV_TARGET_PATH }}/${{ needs.prepare.outputs.version_main }}.${{ needs.prepare.outputs.version_dev }}/
          remote_host: ${{ secrets.DEV_HOST }}
          remote_port: ${{ secrets.DEV_PORT }}
          remote_user: ${{ secrets.DEV_USERNAME }}
          remote_key: ${{ secrets.DEV_SSH_KEY }}

  bump_version:
    name: Bump dev channel version
    if: ${{ github.event_name == 'workflow_dispatch' }}
    needs: [ build, prepare ]
    runs-on: [ "ubuntu-20.04" ]

    steps:
    - name: Initialize git
      uses: home-assistant/actions/helpers/git-init@master
      with:
        name: ${{ secrets.GIT_NAME }}
        email: ${{ secrets.GIT_EMAIL }}
        token: ${{ secrets.GIT_TOKEN }}

    - name: Bump Home Assistant OS dev channel version to ${{ needs.prepare.outputs.version_main }}.${{ needs.prepare.outputs.version_dev }}
      uses: home-assistant/actions/helpers/version-push@master
      with:
        key: "hassos[]"
        key-description: "Home Assistant OS"
        version: ${{ needs.prepare.outputs.version_main }}.${{ needs.prepare.outputs.version_dev }}
        channel: "dev"