check-build-prerelease.yml

name: Pre-release Check-Build Meshtastic Heltec Mesh Node t114 OLED_RU

on:
  workflow_dispatch:     # Manual trigger for testing
  repository_dispatch:   # Optional external trigger
    types: [meshtastic-prerelease]
  schedule:
    - cron: "0 3 * * *"  # Run daily to check for new prereleases

permissions:
  contents: write
  actions: read
  id-token: write

jobs:
  build:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout this repo
        uses: actions/checkout@v4

      - name: Set up Python
        uses: actions/setup-python@v5
        with:
          python-version: "3.12"

      - name: Install PlatformIO
        run: |
          pip install -U pip
          pip install platformio

      - name: Fetch latest Meshtastic prerelease
        id: get_release
        run: |
          # Get the first prerelease entry from the releases list
          RELEASE_JSON=$(curl -s https://api.github.com/repos/meshtastic/firmware/releases | jq '[.[] | select(.prerelease==true)][0]')
          LATEST_TAG=$(echo "$RELEASE_JSON" | jq -r .tag_name)
          echo "Latest Meshtastic prerelease: $LATEST_TAG"
          echo "tag=$LATEST_TAG" >> $GITHUB_OUTPUT
          echo "ru_tag=${LATEST_TAG}-ru" >> $GITHUB_OUTPUT

      - name: Check if already built
        id: check_release
        run: |
          if gh release view "${{ steps.get_release.outputs.ru_tag }}" >/dev/null 2>&1; then
            echo "Release already exists. Skipping build."
            echo "skip_build=true" >> $GITHUB_OUTPUT
          else
            echo "skip_build=false" >> $GITHUB_OUTPUT
          fi
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}


      - name: Stop job if already built
        if: steps.check_release.outputs.skip_build == 'true'
        run: exit 0

#      - name: Clone Meshtastic firmware at latest prerelease
#        if: steps.check_release.outputs.skip_build == 'false'
#        run: |
#          git clone --depth=1 --branch ${{ steps.get_release.outputs.tag }} https://github.com/meshtastic/firmware.git
#          cd firmware
#          git submodule update --init --recursive

      - name: Checkout firmware at exact release tag
        uses: actions/checkout@v4
        with:
          repository: meshtastic/firmware
          ref: ${{ steps.get_release.outputs.tag }}
          fetch-depth: 0
          submodules: 'recursive'
          path: firmware
      
      - name: Verify checkout
        run: |
          cd firmware
          echo "Requested tag: ${{ steps.get_release.outputs.tag }}"
          git --no-pager show -s --format='HEAD=%H%nREFS=%D' HEAD
          echo "git describe: $(git describe --tags --long --always || true)"
          echo "Tags pointing at HEAD:"
          git tag --points-at HEAD || true
          echo "Submodule status:"
          git submodule status --recursive || true
          
      - name: Patch platformio.ini for OLED_RU
        if: steps.check_release.outputs.skip_build == 'false'
        run: |
          sed -i '/-DHELTEC_T114/a\        -D OLED_RU' firmware/variants/nrf52840/heltec_mesh_node_t114/platformio.ini
          cat firmware/variants/nrf52840/heltec_mesh_node_t114/platformio.ini
      
      - name: Build Heltec Mesh Node t114 firmware
        if: steps.check_release.outputs.skip_build == 'false'
        run: |
          cd firmware
          pio run -e heltec-mesh-node-t114

      - name: Rename binaries with versioned names
        if: steps.check_release.outputs.skip_build == 'false'
        run: |
          cd firmware/.pio/build/heltec-mesh-node-t114
          for f in *-t114-*.uf2; do [[ "$f" == *-t114-ru-* ]] && continue; mv -- "$f" "${f/-t114-/-t114-ru-}"; done


      - name: Generate checksums
        if: steps.check_release.outputs.skip_build == 'false'
        id: checksum
        run: |
          cd firmware/.pio/build/heltec-mesh-node-t114
          for f in heltec-mesh-node-t114-ru-*.uf2; do
            sha256sum "$f" >> SHA256SUMS.txt
          done
          echo "Checksums generated:"
          cat SHA256SUMS.txt

      - name: Upload firmware binaries (Actions artifacts)
        if: steps.check_release.outputs.skip_build == 'false'
        uses: actions/upload-artifact@v4
        with:
          name: heltec-mesh-node-t114-${{ steps.get_release.outputs.ru_tag }}
          path: |
            firmware/.pio/build/heltec-mesh-node-t114/heltec-mesh-node-t114-ru-*.uf2
            firmware/.pio/build/heltec-mesh-node-t114/SHA256SUMS.txt

      - name: Publish GitHub Release
        if: steps.check_release.outputs.skip_build == 'false'
        uses: softprops/action-gh-release@v2
        with:
          tag_name: ${{ steps.get_release.outputs.ru_tag }}
          name: Meshtastic Heltec Mesh Node t114 RU **Prerelease** ${{ steps.get_release.outputs.tag }}
          body: |
            ⚠️ This is a **prerelease build** for **Heltec Mesh Node t114 OLED** with **RU support**  
            🔗 Based on upstream prerelease [${{ steps.get_release.outputs.tag }}](https://github.com/meshtastic/firmware/releases/tag/${{ steps.get_release.outputs.tag }})

            **Checksums (SHA256):**
            ```
            $(cat firmware/.pio/build/heltec-mesh-node-t114/SHA256SUMS.txt)
            ```

            Firmware attached below 👇
          prerelease: true
          files: |
            firmware/.pio/build/heltec-mesh-node-t114/heltec-mesh-node-t114-ru-*.uf2
            firmware/.pio/build/heltec-mesh-node-t114/SHA256SUMS.txt
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}