build: fix SDK wrappers not compiling because in-app SDK installing i…

…n NSE (#308)

scripts/cocoapods_override_sdk.rb

@@ -19,41 +19,49 @@
 target 'Notification Service' do
   # Uncomment only 1 of the lines below to install a version of the iOS SDK 
   pod 'CustomerIO/MessagingPushAPN', '~> 2.1' # install production build 
-  # install_non_production_ios_sdk_local_path('~/code/customerio-ios/')
-  # install_non_production_ios_sdk_git_branch('name-of-ios-sdk-branch')
+  # install_non_production_ios_sdk_local_path('~/code/customerio-ios/', is_app_extension: true)
+  # install_non_production_ios_sdk_git_branch('name-of-ios-sdk-branch', is_app_extension: true)
 end
 
 =end 
 
-def install_non_production_ios_sdk_git_branch(branch_name)
+def install_non_production_ios_sdk_git_branch(branch_name, is_app_extension: false)
   puts ""
   puts "⚠️ Installing CIO iOS SDK from git branch #{branch_name}"
   puts ""
 
-  get_all_cio_pods.each { |podname| 
+  get_all_cio_pods(is_app_extension: is_app_extension).each { |podname| 
     pod podname, :git => "https://github.com/customerio/customerio-ios.git", :branch => branch_name
   }  
 end 
 
-def install_non_production_ios_sdk_local_path(local_path)
+def install_non_production_ios_sdk_local_path(local_path, is_app_extension: false)
   local_path = File.expand_path(local_path, Dir.pwd)
 
   puts ""
   puts "⚠️ Installing local version of the iOS SDK. Path of iOS SDK: #{local_path}"
   puts ""
 
-  get_all_cio_pods.each { |podname| 
+  get_all_cio_pods(is_app_extension: is_app_extension).each { |podname| 
     pod podname, :path => local_path
   }
 end 
 
-def get_all_cio_pods
-  return [
+# In iOS App Extensions (example: Notification Service Extensions for rich push), there are some pods we do not want to install. If we do, it might cause our app to no longer compile. 
+def get_all_cio_pods(is_app_extension)
+  # All of these pods are App Extension compatible. We can install them all in an App Extension or a host app. 
+  pods_for_all_targets = [
     'CustomerIOCommon',
-    'CustomerIOTracking',
-    'CustomerIOMessagingInApp',
+    'CustomerIOTracking',    
     'CustomerIOMessagingPush',
     'CustomerIOMessagingPushAPN',
     'CustomerIOMessagingPushFCM'
   ]
+
+  if !is_app_extension     
+    # Gist SDK is not setup to work with App Extensions. Therefore, only install it if we are not in an App extension. 
+    pods_for_all_targets.push('CustomerIOMessagingInApp')
+  end 
+
+  return pods_for_all_targets
 end