Tag-And-Release.yml

name: Tag & Note Release
on : 
  pull_request:    
    branches:
      - main
    types:
      - closed
      
concurrency:
  group: tag-note-release-${{ github.event.pull_request.number }}
  cancel-in-progress: true

permissions:
  contents: read
jobs:
  tag:
    name: Create Tag & Release
    if: >
      github.event.pull_request.merged == true &&
      startsWith(github.event.pull_request.head.ref, 'release/')
    runs-on: macos-15
    permissions:
      contents: write # required for creating tags and releases
    outputs:
      version: ${{ steps.parse.outputs.version }}
    steps:
      - name: Parse version from branch name
        id: parse
        run: |
          version=$(echo "${{ github.event.pull_request.head.ref }}" | sed 's/^release\///')
          echo "version=$version" >> $GITHUB_OUTPUT
      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
        with:
          ref: ${{ github.event.pull_request.merge_commit_sha }}
          fetch-depth: '0'
      - name: Check if tag already exists
        id: tag_check
        run: |
          if git rev-parse "refs/tags/${{ steps.parse.outputs.version }}" >/dev/null 2>&1; then
            echo "exists=true" >> $GITHUB_OUTPUT
          else
            echo "exists=false" >> $GITHUB_OUTPUT
          fi
      - name: Create tag
        if: steps.tag_check.outputs.exists == 'false'
        uses: stefanzweifel/git-auto-commit-action@28e16e81777b558cc906c8750092100bbb34c5e3 # v7.0.0
        with:
          commit_message: version bump to ${{ steps.parse.outputs.version }}
          tagging_message: '${{ steps.parse.outputs.version }}'
      - name: Create release
        if: steps.tag_check.outputs.exists == 'false'
        uses: ncipollo/release-action@b7eabc95ff50cbeeedec83973935c8f306dfcd0b # v1.20.0
        with: 
          tag: ${{ steps.parse.outputs.version }}
          prerelease: true
          generateReleaseNotes: true
  
  cocoapods:
    name: Publish to CocoaPods
    needs: tag
    runs-on: macos-15
    steps:
      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
      - name: Publish to CocoaPods trunk
        env: 
          COCOAPODS_TRUNK_TOKEN: ${{ secrets.COCOAPODS_TRUNK_TOKEN }}
        run: |
          VERSION="${{ needs.tag.outputs.version }}"
          failed_pods=()
          
          # Define all pods to publish
          pods=(
            "OpenTelemetry-Swift-BaggagePropagationProcessor"
            "OpenTelemetry-Swift-Instrumentation-NetworkStatus"
            "OpenTelemetry-Swift-Instrumentation-URLSession"
            "OpenTelemetry-Swift-SdkResourceExtension"
            "OpenTelemetry-Swift-Protocol-Exporter-Common"
            "OpenTelemetry-Swift-Protocol-Exporter-Http"
            "OpenTelemetry-Swift-PersistenceExporter"
          )
          
          # Process each pod
          for pod_name in "${pods[@]}"; do
            echo "Processing $pod_name..."
            
            if pod trunk info "$pod_name" 2>&1 | grep -F " - ${VERSION} (" >/dev/null; then
              echo "::warning::$pod_name '${VERSION}' already exists on CocoaPods. Skipping."
            else
              if ! pod trunk push "${pod_name}.podspec" --allow-warnings --synchronous; then
                echo "::error::Failed to push $pod_name"
                failed_pods+=("$pod_name")
              else
                echo "Successfully pushed $pod_name"
              fi
            fi
          done
          
          # Report results
          if [ ${#failed_pods[@]} -gt 0 ]; then
            echo "::error::The following pods failed to publish: ${failed_pods[*]}"
            exit 1
          else
            echo "All pods published successfully!"
          fi