Updated the Fastfile's after_all to give the option to allow keeping …

…the archive. (#33)

fastlane/Fastfile

@@ -6,21 +6,21 @@ platform :ios do
 
   before_all do
     installKeychainsIfPossible
-    xcversion(version: ENV["XCODE_VERSION"] || '~> 10.2')
+    xcversion(version: ENV["XCODE_VERSION"] || '~> 11.4')
     if !ENV["SKIP_COCOAPODS"]
       cocoapods(silent: true, try_repo_update_on_error: true)
     end
   end
 
-  after_all do
-    cleanup
+  after_all do |lanes, options|
+    cleanup(options)
     removeKeychainsIfPossible
   end
 
   desc "Runs all the tests."
   lane :runTests do
     scan(output_types: "junit",
-      device: ENV["DEVICE"] || 'iPhone XS (12.2)'
+      device: ENV["DEVICE"] || 'iPhone 11 Pro (13.4)'
     )
   end
 
@@ -173,8 +173,8 @@ platform :ios do
   end
 
   desc "Deletes the archive generated by gym."
-  lane :cleanupArchive do
-    if "#{lane_context[SharedValues::XCODEBUILD_ARCHIVE]}" != ""
+  lane :cleanupArchive do |options|
+    if ("#{lane_context[SharedValues::XCODEBUILD_ARCHIVE]}" != "") && !(options[:keepArchive] || false)
       sh "rm -r \"#{File.dirname(lane_context[SharedValues::XCODEBUILD_ARCHIVE])}\" || :"
     end
   end
@@ -190,9 +190,9 @@ platform :ios do
   end
 
   desc "Cleanup simulator and build archives."
-  lane :cleanup do
+  lane :cleanup do |options|
     cleanupSimulator
-    cleanupArchive
+    cleanupArchive(options)
   end
 
 end