Migrate CocoaPods integration tests to GHA (#7036)

Author: paulb777

.github/workflows/cocoapods-integration.yml

@@ -0,0 +1,30 @@
+name: cocoapods-integration
+
+on:
+  pull_request:
+    paths:
+    - 'CocoapodsIntegrationTest/**'
+    - '.github/workflows/cocoapods-integration.yml'
+    - 'Gemfile'
+  schedule:
+    # Run every day at 11pm (PST) - cron uses UTC times
+    - cron:  '0 7 * * *'
+
+jobs:
+  tests:
+    # Don't run on private repo unless it is a PR.
+    if: (github.repository == 'Firebase/firebase-ios-sdk' && github.event_name == 'schedule') || github.event_name == 'pull_request'
+
+    runs-on: macOS-latest
+    strategy:
+      matrix:
+        config: [Cocoapods_multiprojects_frameworks, Cocoapods_multiprojects_staticLibs]
+    steps:
+    - uses: actions/checkout@v2
+    - name: Get realpath
+      run: brew install coreutils
+    - name: Build and test
+      run: |
+        scripts/third_party/travis/retry.sh ./CocoapodsIntegrationTest/scripts/build_with_environment.sh \
+          --gemfile=./CocoapodsIntegrationTest/TestEnvironments/${{ matrix.config }}/Gemfile \
+          --podfile=./CocoapodsIntegrationTest/TestEnvironments/${{ matrix.config }}/Podfile

README.md

@@ -5,6 +5,7 @@
 [![Actions Status][gh-abtesting-badge]][gh-actions]
 [![Actions Status][gh-appdistribution-badge]][gh-actions]
 [![Actions Status][gh-auth-badge]][gh-actions]
+[![Actions Status][gh-cocoapods-integration-badge]][gh-actions]
 [![Actions Status][gh-core-badge]][gh-actions]
 [![Actions Status][gh-core-diagnostics-badge]][gh-actions]
 [![Actions Status][gh-crashlytics-badge]][gh-actions]
@@ -286,6 +287,7 @@ Your use of Firebase is governed by the
 [gh-abtesting-badge]: https://github.com/firebase/firebase-ios-sdk/workflows/abtesting/badge.svg
 [gh-appdistribution-badge]: https://github.com/firebase/firebase-ios-sdk/workflows/appdistribution/badge.svg
 [gh-auth-badge]: https://github.com/firebase/firebase-ios-sdk/workflows/auth/badge.svg
+[gh-cocoapods-integration-badge]: https://github.com/firebase/firebase-ios-sdk/workflows/cocoapods-integration/badge.svg
 [gh-core-badge]: https://github.com/firebase/firebase-ios-sdk/workflows/core/badge.svg
 [gh-core-diagnostics-badge]: https://github.com/firebase/firebase-ios-sdk/workflows/core-diagnostics/badge.svg
 [gh-crashlytics-badge]: https://github.com/firebase/firebase-ios-sdk/workflows/crashlytics/badge.svg