auto-update-translator-cid.yml

name: Automate update Translator cid
on:
  workflow_dispatch:
  schedule:
    - cron: '5 23 * * *'

env:
  PR_BRANCH: bot/update_translator_cid

jobs:
  update-config:
    runs-on:
      - max1100
      - rolling
      - runner-0.0.19
    defaults:
      run:
        shell: bash -noprofile --norc -eo pipefail -c "source /home/runner/intel/oneapi/setvars.sh > /dev/null; source {0}"
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      # search the opened PR that has branch "bot/update_translator_cid", no new PR as long as the target PR is open
      - name: Search the opened PR that has branch ${{ env.PR_BRANCH }}
        env:
          GITHUB_TOKEN: ${{ secrets.BOT_TOKEN }}
        run: |
          if gh pr list | grep "${PR_BRANCH}"; then
            echo "Bot PR is still open"
            echo "TARGET_PRID=$(gh pr list --search "head:${PR_BRANCH}" --json number --jq ".[].number")" >> $GITHUB_ENV
          fi

      # if $TARGET_PRID is null, target PR is meged or closed or never been raised. In that case search for the latest valid translator cid
      - name: Load pip cache
        if: ${{ env.TARGET_PRID == null }}
        uses: ./.github/actions/load
        env:
          CACHE_NUMBER: 1
        with:
          path: $HOME/.cache/pip
          key: pip-3.10-${{ hashFiles('python/pyproject.toml', 'python/setup.py') }}-${{ env.CACHE_NUMBER }}

      - name: Install Python 3.10
        if: ${{ env.TARGET_PRID == null }}
        uses: actions/setup-python@v5
        with:
          python-version: '3.10'

      - name: Setup PyTorch
        if: ${{ env.TARGET_PRID == null }}
        uses: ./.github/actions/setup-pytorch
        with:
          repository: pytorch/pytorch

      - name: Install test dependencies
        if: ${{ env.TARGET_PRID == null }}
        run: |
          pip install pytest pytest-xdist pytest-rerunfailures pytest-select pytest-timeout expecttest
          pip install git+https://github.com/kwasd/pytest-capturewarnings-ng.git@v1.2.0

      - name: Get commit ID from Triton's spirv-llvm-translator.conf
        if: ${{ env.TARGET_PRID == null }}
        run: echo "CID_CURRENT=$(cat ./lib/Target/SPIRV/spirv-llvm-translator.conf)" >> $GITHUB_ENV

      - name: Checkout SPIRV-LLVM-Translator
        if: ${{ env.TARGET_PRID == null }}
        uses: actions/checkout@v4
        with:
          repository: KhronosGroup/SPIRV-LLVM-Translator
          ref: main
          fetch-depth: 0
          path: external/SPIRV-LLVM-Translator

      - name: Get the latest commit ID from SPIRV-LLVM-Translator
        if: ${{ env.TARGET_PRID == null }}
        run: |
          echo "CID_LATEST=$(git -C external/SPIRV-LLVM-Translator rev-parse HEAD)" >> $GITHUB_ENV

      # the latest valid cid has been weitten to spirv-llvm-translator.conf
      - name: Search the latest valid Translator cid
        if: ${{ env.TARGET_PRID == null }}
        run: |
          env
          ./scripts/check-update-translator-cid.sh $CID_LATEST $CID_CURRENT
          if git status --porcelain ./lib/Target/SPIRV/spirv-llvm-translator.conf | grep '^ M'; then
            echo "MODIFIED=true" >> $GITHUB_ENV
            echo "spirv-llvm-translator.conf has been modified"
          fi

      # raise PR by bot
      - name: Create PR if config is updated
        if: ${{ env.TARGET_PRID == null && env.MODIFIED == 'true' }}
        env:
          GITHUB_TOKEN: ${{ secrets.BOT_TOKEN }}
        run: |
          git config --global user.name 'github-actions[bot]'
          git config --global user.email 'github-actions[bot]@users.noreply.github.com'

          if git show-ref --verify --quiet "refs/remotes/origin/${PR_BRANCH}"; then
            echo "${PR_BRANCH} already exist, deleting..."
            git push origin --delete "${PR_BRANCH}"
          else
            echo "${PR_BRANCH} not exist"
          fi

          git checkout main # make sure checkout a new branch that is based on main
          git checkout -b ${PR_BRANCH}
          git branch --show-current # bot/update_translator_cid
          git status
          git add ./lib/Target/SPIRV/spirv-llvm-translator.conf
          git commit -m "Update spirv-llvm-translator.conf"
          git push origin ${PR_BRANCH}
          pr_url=$(gh pr create --title "[github-bot] Update spirv-llvm-translator.conf" --body "Automated PR to update translator commit id." --reviewer whitneywhtsang --head ${PR_BRANCH} --base main)