release.yml

on:
  push:
    branches: [ main ]

jobs:
  check-release-tag:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v2
        with:
          fetch-depth: 0
      - uses: actions/setup-node@v3
      - name: Prepare tag
        id: prepare_tag
        continue-on-error: true
        run: |
          npm install --location=global podspec-bump
          export TAG=$(podspec-bump --dump-version -p NWWebSocket.podspec)
          echo "TAG=$TAG" >> $GITHUB_ENV
          export CHECK_TAG=$(git tag | grep $TAG)
          if [[ $CHECK_TAG ]]; then
            echo "Skipping because release tag already exists"
            exit 1
          fi
      - name: Output
        id: release_output
        if: ${{ steps.prepare_tag.outcome == 'success' }}
        run: |
          echo "::set-output name=tag::${{ env.TAG }}"
    outputs:
      tag: ${{ steps.release_output.outputs.tag }}

  build:
    runs-on: macos-latest
    needs: check-release-tag
    if: ${{ needs.check-release-tag.outputs.tag }}
    steps:
      - uses: actions/checkout@v2
      - name: Build
        run: swift build -v
      - name: Run tests
        run: swift test -v
    outputs:
      tag: ${{ needs.check-release-tag.outputs.tag }}

  publish-cocoapods:
    runs-on: ubuntu-latest
    needs: build
    if: ${{ needs.build.outputs.tag }}
    steps:
      - uses: actions/checkout@v2
      - uses: ruby/setup-ruby@v1
        with:
          ruby-version: '3.2.2'
      - run: |
          gem install cocoapods

          git config user.email "pusher-ci@pusher.com"
          git config user.name "Pusher CI"
          
          git tag -a ${{ needs.build.outputs.tag }} -m "${{ needs.build.outputs.tag }}"
          git push origin ${{ needs.build.outputs.tag }}

          pod trunk push NWWebSocket.podspec
        env:
          COCOAPODS_TRUNK_TOKEN: ${{ secrets.PUSHER_CI_COCOAPODS_TOKEN }}
    outputs:
      release_version: ${{ needs.build.outputs.tag }}

  create-github-release:
    runs-on: ubuntu-latest
    needs: publish-cocoapods
    if: ${{ needs.publish-cocoapods.outputs.release_version }}
    steps:
      - uses: actions/checkout@v2
      - name: Prepare tag
        run: |
          export TAG=${{ needs.publish-cocoapods.outputs.release_version }}
          echo "TAG=$TAG" >> $GITHUB_ENV
      - name: Setup git
        run: |
          git config user.email "pusher-ci@pusher.com"
          git config user.name "Pusher CI"
      - name: Create Release
        uses: actions/create-release@v1
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          tag_name: ${{ env.TAG }}
          release_name: ${{ env.TAG }}
          draft: false
          prerelease: false