workflow to trigger cloud build whenever a pr is merged

Author: andygruening

.github/workflows/unity-cloud-release.yml

@@ -0,0 +1,36 @@
+name: Run on merge to master
+
+on:
+  pull_request:
+    types:
+      - closed
+    branches:
+      - Feature/build-automation
+
+jobs:
+  run-on-merge:
+    runs-on: ubuntu-latest
+    environment: github-pages
+
+    strategy:
+      fail-fast: false
+      matrix:
+        target:
+          - ios-production
+    
+    if: github.event.pull_request.merged == true
+    
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Trigger Cloud Build
+        id: trigger
+        run: |
+          branch_name="${{ github.head_ref || github.ref_name }}"
+          
+          build_number=$(curl -s -X POST \
+            -H "Authorization: Basic ${{ secrets.UNITY_API_KEY }}" \
+            -H "Content-Type: application/json" \
+            -d "{\"clean\": true, \"delay\": 0, \"commit\": null, \"headless\": true, \"branch\": \"$branch_name\"}" \
+            https://build-api.cloud.unity3d.com/api/v1/orgs/6872789246035/projects/5fac262b-e52e-42f7-a9d6-d4464b2ff80e/buildtargets/${{ matrix.target }}/builds \
+            | jq '.[0].build' )