winnow/.github/workflows/update-lockfile.yml

# .github/workflows/update-lockfile.yml
name: Update uv.lock

on:
  push:
    paths:
      - 'pyproject.toml'
  workflow_dispatch:

jobs:
  update-lockfile:
    runs-on: ubuntu-latest
    permissions:
      contents: write
    steps:
      - name: Free up disk space
        run: |
          sudo rm -rf /usr/share/dotnet
          sudo rm -rf /opt/ghc
          sudo rm -rf "/usr/local/share/boost"
          sudo rm -rf "$AGENT_TOOLSDIRECTORY"
          echo "Disk space freed."

      - name: Checkout repository
        uses: actions/checkout@v6

      - name: Install uv
        uses: astral-sh/setup-uv@v7

      - name: Set up Python
        run: uv python install 3.12

      - name: Regenerate lockfile
        run: uv lock

      - name: Check for changes
        id: diff
        run: |
          if git diff --quiet uv.lock; then
            echo "changed=false" >> "$GITHUB_OUTPUT"
          else
            echo "changed=true" >> "$GITHUB_OUTPUT"
          fi

      - name: Commit and push updated lockfile
        if: steps.diff.outputs.changed == 'true'
        run: |
          git config user.name "github-actions[bot]"
          git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
          git add uv.lock
          git commit -m "chore: update uv.lock"
          git push