pull-request.yaml

name: pr

on:
  pull_request:
    branches:
      - main

env:
  GIT_AUTHOR_NAME: github-actions[bot]
  GIT_AUTHOR_EMAIL: 41898282+github-actions[bot]@users.noreply.github.com
  GIT_COMMITTER_NAME: GitHub
  GIT_COMMITTER_EMAIL: noreply@github.com
  CDK_DEFAULT_ACCOUNT: 111111111111
  CDK_DEFAULT_REGION: us-east-1
  CDK_DEPLOY_STAGES: dev int tp prod
  CDK_DEPLOY_dev_ACCOUNTS: 111111111111
  CDK_DEPLOY_int_ACCOUNTS: 111111111111
  CDK_DEPLOY_tp_ACCOUNTS: 333333333333
  CDK_DEPLOY_prod_ACCOUNTS: 333333333333
  CDK_DEPLOY_dev_111111111111_REGIONS: us-east-1
  CDK_DEPLOY_int_111111111111_REGIONS: us-east-1
  CDK_DEPLOY_tp_333333333333_REGIONS: us-east-1
  CDK_DEPLOY_prod_333333333333_REGIONS: us-east-1

jobs:
  cdk-diff:
    runs-on: ubuntu-latest
    steps:
      - name: Setup NodeJS
        uses: actions/setup-node@v4
        with:
          node-version: "16"

      - name: Setup Python
        uses: actions/setup-python@v3
        with:
          python-version: "3.9"

      - name: Install CDK
        run: npm install -g aws-cdk@1

      - name: Checkout main
        uses: actions/checkout@v3
        with:
          ref: main
          fetch-depth: 0

      - name: Install main dependencies
        run: pip install pip-tools && pip-sync

      - name: CDK synth main
        run: cdk synth -o base.cdk.out

      - name: Checkout PR branch
        uses: actions/checkout@v3
        with:
          ref: ${{ github.head_ref }}
          fetch-depth: 0
          clean: false

      - name: Merge main to PR branch
        run: git merge origin/main

      - name: Install PR branch dependencies
        run: pip-sync

      - name: CDK synth PR branch
        run: cdk synth -o head.cdk.out

      - name: Comment on Pull Request
        uses: actions/github-script@v6
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          script: |
            var fs = require('fs');
            github.issues.createComment({
              issue_number: context.issue.number,
              owner: context.repo.owner,
              repo: context.repo.repo,
              body: fs.readFileSync('${{ steps.diff.outputs.comment_file }}', 'utf8')
            })

  # Always run this last as it can push new changes and actions will not rerun.
  pre-commit:
    needs: [cdk-diff]
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v3
        with:
          ref: ${{ github.head_ref }}

      - name: Setup Python
        uses: actions/setup-python@v2
        with:
          python-version: "3.9"

      - name: Install PreCommit
        run: pip install pre-commit

      - name: Cache
        uses: actions/cache@v2
        with:
          path: ~/.cache/pre-/Users/ejimenez/work/BBDN-Base-Python-Flask/.github
          key: pre-commit|${{ env.PY }}|${{ hashFiles('.pre-commit-config.yaml') }}

      - name: PreCommit
        id: pre-commit
        run: |
          if SKIP=flake8 pre-commit run --show-diff-on-failure --color=always --all-files; then
            echo "::set-output name=failed::0"
          else
            echo "::set-output name=failed::1"
          fi
          if [ -n "$(git status -s)" ]; then
            echo "::set-output name=dirty::1"
          else
            echo "::set-output name=dirty::0"
          fi

      # Run a second time to verify that everything has indeed been fixed.
      - name: PreCommit verify
        if: steps.pre-commit.outputs.failed == 1
        run: |
          SKIP=flake8 pre-commit run --show-diff-on-failure --color=always --all-files

      - name: Commit and Push to Pull Request
        if: steps.pre-commit.outputs.failed == 1 && steps.pre-commit.outputs.dirty == 1
        run: |
          git add .
          git status
          git commit -m "Automated formatting changes"
          git push origin ${{ github.head_ref }}

      - name: Comment on Pull Request
        if: steps.pre-commit.outputs.failed == 1 && steps.pre-commit.outputs.dirty == 1
        uses: actions/github-script@v6

        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          script: |
            github.issues.createComment({
              issue_number: context.issue.number,
              owner: context.repo.owner,
              repo: context.repo.repo,
              body: ':sparkles: :star: A new commit has been added to your pull request to fix formatting! :star: :sparkles:'
            })