Validate Maps resource integrity

.github/workflows/maps-resource-integrity.yml

@@ -0,0 +1,74 @@
+name: Maps Resource Integrity
+
+on:
+  pull_request:
+    paths:
+      - ".github/workflows/maps-resource-integrity.yml"
+      - "Directory.Build.props"
+      - "global.json"
+      - "scripts/check-maps-consumers.sh"
+      - "scripts/check-maps-resource-manifest.py"
+      - "source/Google/Maps/**"
+  push:
+    branches:
+      - main
+    paths:
+      - ".github/workflows/maps-resource-integrity.yml"
+      - "Directory.Build.props"
+      - "global.json"
+      - "scripts/check-maps-consumers.sh"
+      - "scripts/check-maps-resource-manifest.py"
+      - "source/Google/Maps/**"
+  workflow_dispatch:
+
+permissions:
+  contents: read
+
+jobs:
+  manifest:
+    runs-on: ubuntu-latest
+    timeout-minutes: 10
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Compare Maps targets with the upstream archive
+        run: python3 scripts/check-maps-resource-manifest.py
+
+  consumers:
+    needs: manifest
+    runs-on: macos-15
+    timeout-minutes: 45
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Toolchain versions
+        run: |
+          xcodebuild -version
+          xcode-select -p
+
+      - name: Setup .NET SDK
+        uses: actions/setup-dotnet@v4
+        with:
+          global-json-file: global.json
+
+      - name: Restore .NET workload
+        run: dotnet workload restore source/Google/Maps/Maps.csproj
+
+      - name: Restore Maps package
+        run: dotnet restore source/Google/Maps/Maps.csproj
+
+      - name: Pack Maps
+        run: dotnet pack source/Google/Maps/Maps.csproj --configuration Release --no-restore --output output
+
+      - name: Direct and transitive consumer checks
+        run: scripts/check-maps-consumers.sh --package-dir output --allow-xcode-mismatch
+
+      - name: Upload diagnostics
+        if: failure()
+        uses: actions/upload-artifact@v4
+        with:
+          name: maps-resource-integrity-diagnostics
+          path: artifacts/maps-resource-integrity/
+          if-no-files-found: ignore