ci: Add build step to pull from Carthage. (#113)

* ci: Add build step to pull from Carthage.

Change-Id: I170a1406a7101b4bc654d9a707c1d54713362622

* Use correct comment delimeter

Change-Id: I84b17263a23dbf958bc02040b25ea22540e9a6f5

Author: arriolac

.github/workflows/build.yml

@@ -48,6 +48,22 @@ jobs:
             -scheme MapsBetaSnippets \
             -destination platform\=iOS\ Simulator,OS\=13.3,name\=iPhone\ 8 build | xcpretty
 
+    build-snippets-carthage:
+        runs-on: macos-latest
+
+        steps:
+        - name: Checkout repository
+          uses: actions/checkout@v2
+    
+        - name: Install Carthage
+          run: |
+              brew install carthage
+    
+        - name: Run carthage update
+          run: |
+              cd snippets
+              carthage update --platform iOS
+
     build-MapsSnippets:
         runs-on: macos-latest
 

snippets/Cartfile

@@ -1,7 +1,7 @@
-// [START maps_ios_get_started_install_carthage]
+# [START maps_ios_get_started_install_carthage]
 binary "https://dl.google.com/geosdk/GoogleMaps.json" == 5.2.0
-// [END maps_ios_get_started_install_carthage]
+# [END maps_ios_get_started_install_carthage]
 
-// [START maps_ios_places_get_started_install_carthage]
+# [START maps_ios_places_get_started_install_carthage]
 binary "https://dl.google.com/geosdk/GooglePlaces.json" == 5.1.0
-// [END maps_ios_places_get_started_install_carthage]
+# [END maps_ios_places_get_started_install_carthage]