pull-request.yaml

name: Pull request checks

on:
  pull_request:

jobs:
  plan:
    uses: ./.github/workflows/plan.yaml
    with:
      # TODO: Get the environments to plan on from the diff.
      environment: staging
      config: staging
    secrets:
      AWS_ACCESS_KEY_ID: ${{ secrets.AWS_ACCESS_KEY_ID }}
      AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_SECRET_ACCESS_KEY }}

  comment:
    runs-on: ubuntu-latest
    needs: plan
    steps:
      - uses: actions/github-script@v7
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          script: |
            // Retrieve existing bot comments for the pull request.
            const { data: comments } = await github.rest.issues.listComments({
              owner: context.repo.owner,
              repo: context.repo.repo,
              issue_number: context.issue.number,
            })
            const botComment = comments.find(comment => {
              return comment.user.type === 'Bot' && comment.body.includes('## Plan output')
            })
            
            // Prepare the format of the comment.
            const output = `## Plan output\n\n\`\`\`\n${{ needs.plan.outputs.plan }}\n\`\`\``

            // If we have a comment, update it. Otherwise, create a new one.
            if (botComment) {
              github.rest.issues.updateComment({
                owner: context.repo.owner,
                repo: context.repo.repo,
                comment_id: botComment.id,
                body: output
              })
            } else {
              github.rest.issues.createComment({
                issue_number: context.issue.number,
                owner: context.repo.owner,
                repo: context.repo.repo,
                body: output
              })
            }