regenerate-target-info.yml

name: Regenerate target info

on:
  workflow_dispatch: # Allow running on-demand
  schedule:
    - cron: '0 3 * * 5'

jobs:
  regenerate:
    name: Regenerate target info & Open Pull Request if necessary
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
        with:
          persist-credentials: true

      - name: Generate branch name
        run: |
          git checkout -b regenerate-target-info-${{ github.run_id }}

      - name: Install rust
        run: |
          rustup toolchain install stable nightly --no-self-update --profile minimal

      - name: Create lockfile
        run: cargo update
  
      - uses: Swatinem/rust-cache@v2
        with:
          cache-all-crates: 'true'
      - name: Regenerate target info
        run: cargo run -p gen-target-info

      - name: Detect changes
        id: changes
        run:
          # This output boolean tells us if the dependencies have actually changed
          echo "count=$(git status --porcelain=v1 | wc -l)" >> $GITHUB_OUTPUT

      - name: Commit and push changes
        # Only push if changes exist
        if: steps.changes.outputs.count > 0
        run: |
          git config user.name github-actions
          git config user.email github-actions@github.com
          git commit -am "Regenerate target info"
          git push origin HEAD

      - name: Open pull request if needed
        if: steps.changes.outputs.count > 0
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          gh pr create --base main --title "Update src/target_info.rs" --body "Automatically regenerated in CI"