release.yml

name: Release

on:
  push:
    branches:
      - main

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}

jobs:
  release:
    name: Create Release PR or Release
    runs-on: ubuntu-latest
    permissions:
      pull-requests: write
      contents: write
    steps:
      - name: Get Release Bot Token
        id: get-release-bot-token
        uses: peter-murray/workflow-application-token-action@v1
        with:
          application_id: ${{ secrets.RELEASE_BOT_ID }}
          application_private_key: ${{ secrets.RELEASE_BOT_PRIVATE_KEY }}
          organization: "Lilypad-Tech"

      # Create release PR or release
      # - Release PRs are created or updated on user-facing changes (feat, fix, or any breaking changes).
      #   If a release PR exists, new user-facing changes are added to it.
      # - Releases are created when release-please finds an unpublished release commit
      #   from one of its release PRs.
      - name: Create Release PR or Release
        id: release
        uses: googleapis/release-please-action@v4
        with:
          token: ${{ steps.get-release-bot-token.outputs.token }}

    outputs:
      prs_created: ${{ steps.release.outputs.prs_created }}
      releases_created: ${{ steps.release.outputs.releases_created }}
      sha: ${{ steps.release.outputs.sha }}
      tag_name: ${{ steps.release.outputs.tag_name }}

  extend-notes:
    if: needs.release.outputs.releases_created == 'true' && needs.release.outputs.prs_created == 'false'
    name: Extend Release Notes
    needs: release
    runs-on: ubuntu-latest
    permissions:
      pull-requests: write
      contents: write
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          ref: ${{ needs.release.outputs.tag_name }}

      - name: Get Release Bot Token
        id: get-release-bot-token
        uses: peter-murray/workflow-application-token-action@v1
        with:
          application_id: ${{ secrets.RELEASE_BOT_ID }}
          application_private_key: ${{ secrets.RELEASE_BOT_PRIVATE_KEY }}
          organization: "Lilypad-Tech"

      - name: Extend Release Notes
        env:
          GH_TOKEN: ${{ steps.get-release-bot-token.outputs.token }}
        run: |
          BODY=$(gh release view ${{ needs.release.outputs.tag_name }} --json body | jq -r '.body')
          EXTENSION=$(cat .github/releases/release_notes.md)

          # Build up notes from BODY and EXTENSION separated by two newlines
          # https://trstringer.com/github-actions-multiline-strings/#option-2---environment-variable
          NOTES=$(cat << EOF
          $BODY

          $EXTENSION
          EOF
          )
          echo "NOTES<<EOF" >> $GITHUB_ENV
          echo "$NOTES" >> $GITHUB_ENV
          echo "EOF" >> $GITHUB_ENV

          gh release edit ${{ needs.release.outputs.tag_name }} --notes "$NOTES"

  publish-binaries:
    if: needs.release.outputs.releases_created == 'true' && needs.release.outputs.prs_created == 'false'
    name: Build and Publish Binaries
    needs: release
    strategy:
      matrix:
        include:
          - goos: linux
            goarch: amd64
            gpu: true
            runner: ubuntu-latest
          - goos: linux
            goarch: arm64
            gpu: true
            runner: linux-arm64
          - goos: darwin
            goarch: amd64
            gpu: false
            runner: macos-13 # uses amd64
          - goos: darwin
            goarch: arm64
            gpu: false
            runner: macos-latest # uses M1
    runs-on: ${{ matrix.runner }}
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          ref: ${{ needs.release.outputs.tag_name }}

      - name: Set up Go
        uses: actions/setup-go@v4
        with:
          go-version: "1.22"

      - name: Build for ${{ matrix.goos }}/${{ matrix.goarch }} CPU-only
        env:
          GOOS: ${{ matrix.goos }}
          GOARCH: ${{ matrix.goarch }}
          CGO_ENABLED: 1
          GH_TOKEN: ${{ github.token }}
        run: |
          echo "-------------- OS: ${GOOS} : Arch: ${GOARCH} ---------- start"
          mkdir -p build

          # Debug: Print environment variables for the build
          echo "Building for ${GOOS}/${GOARCH} with GOOS=$GOOS, GOARCH=$GOARCH"
          echo "Excluding CUDA. Use the 'cuda' build tag to include it."

          go build -o "build/lilypad-${GOOS}-${GOARCH}-cpu" -v -ldflags="-X 'github.com/lilypad-tech/lilypad/pkg/system.Version=${{ needs.release.outputs.tag_name }}' -X 'github.com/lilypad-tech/lilypad/pkg/system.CommitSHA=${{ needs.release.outputs.sha }}'"

          echo "-------------- OS: ${GOOS} : Arch: ${GOARCH} ---------- done"

          # Upload binary to release
          gh release upload ${{ needs.release.outputs.tag_name }} "build/lilypad-${GOOS}-${GOARCH}-cpu"

      - name: Install NVIDIA CUDA Toolkit
        if: ${{ matrix.gpu }}
        run: |
          sudo apt-get install -y gnupg2 curl
          sudo mkdir -p /usr/share/keyrings
          curl -fsSL https://developer.download.nvidia.com/compute/cuda/repos/ubuntu2404/x86_64/3bf863cc.pub | sudo gpg --dearmor -o /usr/share/keyrings/nvidia-drivers.gpg
          echo "deb [signed-by=/usr/share/keyrings/nvidia-drivers.gpg] https://developer.download.nvidia.com/compute/cuda/repos/ubuntu2404/x86_64/ /" | sudo tee /etc/apt/sources.list.d/nvidia-drivers.list
          sudo apt-get update || true  # Ignore errors from this command
          sudo apt-get install -y nvidia-cuda-toolkit
          export PATH=/usr/local/cuda/bin:$PATH

      - name: Build for ${{ matrix.goos }}/${{ matrix.goarch }} GPU
        if: ${{ matrix.gpu }}
        env:
          GOOS: ${{ matrix.goos }}
          GOARCH: ${{ matrix.goarch }}
          CGO_ENABLED: 1
          CUDA_HOME: /usr/local/cuda
          LD_LIBRARY_PATH: /usr/local/cuda/lib64:$LD_LIBRARY_PATH
          GH_TOKEN: ${{ github.token }}
        run: |
          echo "-------------- OS: ${GOOS} : Arch: ${GOARCH} ---------- start"
          mkdir -p build

          # Debug: Print environment variables for the build
          echo "Building for ${GOOS}/${GOARCH} with GOOS=$GOOS, GOARCH=$GOARCH"
          echo "CUDA_HOME: $CUDA_HOME"
          echo "LD_LIBRARY_PATH: $LD_LIBRARY_PATH"

          go build -o "build/lilypad-${GOOS}-${GOARCH}-gpu" -v -tags cuda -ldflags="-X 'github.com/lilypad-tech/lilypad/pkg/system.Version=${{ needs.release.outputs.tag_name }}' -X 'github.com/lilypad-tech/lilypad/pkg/system.CommitSHA=${{ needs.release.outputs.sha }}'"

          echo "-------------- OS: ${GOOS} : Arch: ${GOARCH} ---------- done"

          # Upload binary to release
          gh release upload ${{ needs.release.outputs.tag_name }} "build/lilypad-${GOOS}-${GOARCH}-gpu"