coverage.yml

name: coverage

on:
  repository_dispatch:
    types: [trigger-coverage]

jobs:
  coverage:
    name: Generate badge
    runs-on: ubuntu-latest

    steps:
      - name: Checkout the same code
        uses: actions/checkout@v2
        with:
          ref: ${{ github.event.client_payload.sha }}

      - name: Download artifact - coverage from tests
        uses: dawidd6/action-download-artifact@v2
        with:
          workflow: tests.yml
          workflow_conclusion: success
          name: coverage

      - name: Extract total coverage
        id: total_cov
        run: |
          total=$(grep -oP "TOTAL.* \K\d+(?=%)" coverage.txt)
          echo ::set-output name=total::$total
          echo "Total coverage: ${total}%"

      - name: Create badge
        id: create_url
        run: |
          TOTAL=${{ steps.total_cov.outputs.total }}
          if [[ $TOTAL -gt 90 ]]
          then
              color=brightgreen
          elif [[ $TOTAL -gt 80 ]]
          then
              color=green
          elif [[ $TOTAL -gt 70 ]]
          then
              color=yellowgreen
          elif [[ $TOTAL -gt 60 ]]
          then
              color=yellow
          elif [[ $TOTAL -gt 50 ]]
          then
              color=orange
          else
              color=red
          fi
          url="https://img.shields.io/static/v1?label=coverage&message=${TOTAL}%&color=${color}"
          echo ::set-output name=url::$url
          echo "shields.io url: ${url}"

      - name: Update README.md
        uses: wow-actions/add-badges@v1
        env:
          repo_url: ${{ github.event.repository.html_url }}
          repo_name: ${{ github.event.repository.name }}
          repo_owner: ${{ github.event.repository.owner.login }}
        with:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          badges: |
            [
              {
                "badge": "${{ steps.create_url.outputs.url }}",
                "alt": "Coverage",
                "link": "${{ steps.create_url.outputs.url }}"
              }
            ]