MLXSharp/.github/workflows/sync-mlx.yml at f760ec9fd9cd67e1b4ad67f3edb5de93fca1ff91 · managedcode/MLXSharp · GitHub

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name: Sync MLX

on:
  schedule:
    - cron: '0 6 * * 1'
  workflow_dispatch:

jobs:
  update-mlx:
    runs-on: ubuntu-latest
    permissions:
      contents: write
      pull-requests: write
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          fetch-depth: 0
          submodules: recursive

      - name: Determine MLX release state
        id: mlx
        run: |
          git submodule update --init --recursive extern/mlx
          git -C extern/mlx fetch --tags origin

          LATEST_TAG=$(git -C extern/mlx for-each-ref --sort=-version:refname --format='%(refname:strip=2)' refs/tags | grep '^v' | head -n 1)
          if [ -z "$LATEST_TAG" ]; then
            echo "::error::Failed to determine latest MLX tag"
            exit 1
          fi

          CURRENT_TAG=$(git -C extern/mlx describe --tags --abbrev=0 2>/dev/null || echo "")

          echo "latest_tag=${LATEST_TAG}" >> "$GITHUB_OUTPUT"
          echo "current_tag=${CURRENT_TAG}" >> "$GITHUB_OUTPUT"
          echo "latest_version=${LATEST_TAG#v}" >> "$GITHUB_OUTPUT"

          if [ "$CURRENT_TAG" = "$LATEST_TAG" ]; then
            echo "MLX submodule already at ${CURRENT_TAG}"
            echo "update_needed=false" >> "$GITHUB_OUTPUT"
          else
            echo "MLX update required: ${CURRENT_TAG:-unknown} -> ${LATEST_TAG}"
            echo "update_needed=true" >> "$GITHUB_OUTPUT"
          fi

      - name: Update MLX submodule
        if: steps.mlx.outputs.update_needed == 'true'
        run: |
          git -C extern/mlx checkout ${{ steps.mlx.outputs.latest_tag }}
          git add extern/mlx

      - name: Setup Python
        if: steps.mlx.outputs.update_needed == 'true'
        uses: actions/setup-python@v5
        with:
          python-version: '3.x'

      - name: Update package versions
        if: steps.mlx.outputs.update_needed == 'true'
        env:
          VERSION: ${{ steps.mlx.outputs.latest_version }}
        run: |
          python3 <<'PY'
          import os
          import re
          from pathlib import Path

          version = os.environ["VERSION"]
          props_path = Path("Directory.Build.props")
          text = props_path.read_text()
          text = re.sub(r"<Version>[^<]+</Version>", f"<Version>{version}</Version>", text)
          text = re.sub(r"<PackageVersion>[^<]+</PackageVersion>", f"<PackageVersion>{version}</PackageVersion>", text)
          props_path.write_text(text)
          PY
          git add Directory.Build.props
      - name: Setup .NET
        if: steps.mlx.outputs.update_needed == 'true'
        uses: actions/setup-dotnet@v4
        with:
          dotnet-version: 9.0.x

      - name: Build solution
        if: steps.mlx.outputs.update_needed == 'true'
        run: |
          dotnet restore
          dotnet build --configuration Release --no-restore

      - name: Prepare PR
        if: steps.mlx.outputs.update_needed == 'true'
        run: |
          git status -s

      - name: Create pull request
        if: steps.mlx.outputs.update_needed == 'true'
        uses: peter-evans/create-pull-request@v6
        with:
          branch: chore/sync-mlx-${{ steps.mlx.outputs.latest_version }}
          commit-message: chore: sync MLX to ${{ steps.mlx.outputs.latest_tag }}
          title: chore: sync MLX to ${{ steps.mlx.outputs.latest_tag }}
          body: |
            - Update `extern/mlx` submodule to `${{ steps.mlx.outputs.latest_tag }}`
            - Align package version fields to `${{ steps.mlx.outputs.latest_version }}`
          signoff: false