clang.yml

on:
  workflow_dispatch:
    inputs:
      clang_bootstrap_major_version:
        description: "Major version of clang we'll use to build the clang toolchain."
        type: number
        required: true
      clang_version:
        description: "Version of clang we'll build."
        type: string
        required: true
      runner:
        description: "Type of runner to use/architecture to build for."
        type: choice
        options:
          - toolchains-ubuntu-22.04-x86
          - toolchains-ubuntu-22.04-arm
      cpu_target:
        description: "Type of CPU to optimize for. (-mcpu)"
        type: string
        required: false
      arch_target:
        description: "Type of micro architecture to optimize for. (-march)"
        type: string
        required: false
      github_tag:
        description: "Tag to upload the release to."
        type: string
        required: true

name: Linux Clang

jobs:
  build_clang:
    name: build clang ${{ inputs.runner }}
    runs-on: ${{ inputs.runner }}
    permissions:
      contents: write
    steps:
      - name: Clone MaterializeInc/toolchains repo
        uses: actions/checkout@v4

      - name: Get args
        run: |
          runner=${{ inputs.runner }}
          runner_tag="${runner: -3}"
          
          DOCKER_IMAGE_TAG="clang-${{ inputs.clang_version }}-$runner_tag"
          echo "DOCKER_IMAGE_TAG=$DOCKER_IMAGE_TAG" >> $GITHUB_ENV

      - name: Build in Docker
        run: |
          cd clang
          docker build \
            --build-arg BOOTSTRAP_CLANG_VERSION="${{ inputs.clang_bootstrap_major_version }}" \
            --build-arg CLANG_VERSION="${{ inputs.clang_version }}" \
            --build-arg TARGET_CPU="${{ inputs.cpu_target }}" \
            --build-arg TARGET_CPU_ARCH="${{ inputs.arch_target }}" \
            --target package_image \
            --tag "$DOCKER_IMAGE_TAG" \
            .

      - name: Package Toolchain
        run: |
          container_id="$(docker create $DOCKER_IMAGE_TAG)"
          docker cp "$container_id:/downloads/artifacts" .

      - name: Determine Release Tag
        run: |
          RELEASE_TAG="linux-$GITHUB_TAG"
          if [ -n "${{ inputs.github_tag }}" ]; then
            RELEASE_TAG="${{ inputs.github_tag }}"
          fi
          echo "RELEASE_TAG=$RELEASE_TAG" >> $GITHUB_ENV

      - name: Upload toolchain to release
        uses: svenstaro/upload-release-action@v2
        with:
          file: "artifacts/*.tar.zst"
          file_glob: true
          tag: ${{ env.RELEASE_TAG }}
          overwrite: true