get_version_number.rb in fastlane-2.198.0

- old
+ new

@@ -107,12 +107,14 @@
           plist_file = plist_files[configuration]
         elsif plist_files_count > 1
           options = plist_files.keys
           selected = UI.select("What build configuration would you like to use?", options)
           plist_file = plist_files[selected]
-        else
+        elsif plist_files_count > 0
           plist_file = plist_files.values.first
+        else
+          return nil
         end
 
         # $(SRCROOT) is the path of where the XcodeProject is
         # We can just set this as empty string since we join with `folder` below
         if plist_file.include?("$(SRCROOT)/")
@@ -129,10 +131,12 @@
 
         plist_file
       end
 
       def self.get_version_number_from_plist!(plist_file)
+        return '$(MARKETING_VERSION)' if plist_file.nil?
+
         plist = Xcodeproj::Plist.read_from_path(plist_file)
         UI.user_error!("Unable to read plist: #{plist_file}") unless plist
 
         plist["CFBundleShortVersionString"]
       end
@@ -144,10 +148,10 @@
       def self.description
         "Get the version number of your project"
       end
 
       def self.details
-        "This action will return the current version number set on your project."
+        "This action will return the current version number set on your project. It first looks in the plist and then for '$(MARKETING_VERSION)' in the build settings."
       end
 
       def self.available_options
         [
           FastlaneCore::ConfigItem.new(key: :xcodeproj,