pull-request.yaml

name: Pull Request Validation

on:
  pull_request:
  workflow_dispatch:
    inputs:
      pr_number:
        description: "The pull request number to validate"
        required: true
        type: string

jobs:
  validate-pr:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Run pre-commit hooks (check only)
        id: tests-step
        run: |
          python3 -m venv venv
          source venv/bin/activate          
          pip install pre-commit
          pre-commit install
          pre-commit run --all-files
          if ! git diff --exit-code; then
            echo "Pre-commit hooks made changes, please commit them."
            exit 1
          fi

      - name: Get SHA from PR number (manual runs only)
        if: ${{ github.event_name == 'workflow_dispatch' }}
        id: get-sha
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          pr_number=${{ github.event.inputs.pr_number }}
          echo "Fetching SHA for PR number: $pr_number"
          sha=$(gh pr view $pr_number --json headRefOid -q '.headRefOid')
          echo "SHA: $sha"
          echo "sha=$sha" >> $GITHUB_OUTPUT
          
      - name: Create Check with gh CLI (manual runs only)
        if: ${{ github.event_name == 'workflow_dispatch' }}
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          pr_number=${{ github.event.inputs.pr_number }}
          sha=${{ steps.get-sha.outputs.sha }}
          outcome="failure"
          if [[ ${{ steps.tests-step.outcome }} == "success" ]]; then
            outcome="success"
          fi
          echo "Reporting $outcome for PR #$pr_number and SHA $sha"
          gh api \
            --method POST \
            -H "Accept: application/vnd.github+json" \
            -H "X-GitHub-Api-Version: 2022-11-28" \
            repos/${{ github.repository }}/check-runs \
            -f name='validate-pr' \
            -f head_sha=$sha \
            -f status='completed' \
            -f conclusion=$outcome \
            -f output[title]='Run PR Validation' \
            -f output[summary]="PR Validated with result: $outcome"