unicorns.yml

name: Unicorn CI/CD pipeline
on:
  workflow_dispatch:
  create:
  pull_request:
    types:
      - opened
      - synchronize
      - labeled
      - closed
  pull_request_review:
    types: [submitted]
concurrency:
  # See https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions#example-using-a-fallback-value
  group: push-unicorn${{ github.head_ref || github.run_id }}
  cancel-in-progress: true

defaults:
  run:
    shell: bash
jobs:
  printJob:
    name: Print event
    runs-on: ubuntu-latest
    steps:
      - name: Dump GitHub context
        env:
          GITHUB_CONTEXT: ${{ toJson(github) }}
        run: |
          echo "$GITHUB_CONTEXT"
  check-approved:
    name: Is PR approved
    runs-on: ubuntu-latest
    outputs:
      IS_APPROVED: ${{ steps.check-approved.outputs.result }}
    steps:
      - name: Check if PR is approved
        id: check-approved
        uses: actions/github-script@v7
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          script: |
            if (!context || !context.payload || !context.payload.pull_request) {
              return false;
            }
            var reviews = await github.rest.pulls.listReviews({
              owner: context.repo.owner,
              repo: context.repo.repo,
              pull_number: context.issue.number
            });

            if(!reviews || !reviews.data == null) {
              return false;
            }
            var declined = reviews.data.filter(review => review.state != 'APPROVED').length > 0;
            var pending = context.payload.pull_request.requested_teams.length > 0
            console.log(!(declined && pending) ? 'Pr is approved' : 'Pr is not approved');
            return !(declined && pending);
      - name: output
        run: echo "IS_APPROVED=${{ steps.check-approved.outputs.result }}" >> $GITHUB_OUTPUT

  check-unicorn:
    name: Is this a unicorn PR
    needs: check-approved
    if: ${{ needs.check-approved.outputs.IS_APPROVED }}"
    runs-on: ec2-runners
    container:
      image: public.ecr.aws/m3u4c4h9/island-is/actions-runner-public:latest
    timeout-minutes: 10
    steps:
      - run: echo "selected runner = ${{ runner.name }}"
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - uses: actions/setup-node@v4
        with:
          node-version-file: 'package.json'

      - name: Setup yarn
        run: corepack enable

      - name: Get cache
        id: get-cache
        uses: ./.github/actions/get-cache
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          enable-cache: 'node_modules,generated-files'

      - name: Check unicorn affected
        id: unicorn-affected
        env:
          BaseRef: ${{ github.base_ref }} #The target branch e.g. main (feature/unicorn-app)
          HeadRef: ${{ github.head_ref }} #The branch being merged e.g. (unicorn-pipe-rel3)
        run: |
          echo "Comparing nx affected for $HeadRef using origin/$BaseRef as base branch"
          echo IS_UNICORN=$(node scripts/ci/unicorn-utils.mjs "{\"baseBranch\": \"origin/$BaseRef\", \"mergeBranch\": \"$HeadRef\" }") >> "$GITHUB_OUTPUT"
      - name: Results
        run: |
          echo "Unicorn = ${{ steps.unicorn-affected.outputs.IS_UNICORN }}"

      - name: Find Latest Release Branch
        run: |
          node scripts/ci/get-last-release.mjs $(git branch -r)

      - run: "echo 'latest release: ${{ steps.get_latest_release.outputs.data }}'"