lib/benchmark/driver/configuration.rb in benchmark_driver-0.4.5 vs lib/benchmark/driver/configuration.rb in benchmark_driver-0.5.0

@@ -19,21 +19,21 @@
       super || guessed_count
     end
   end
 
   # @param [String] name
-  # @param [Array<String>] command
+  # @param [Array<String>] command - ["ruby", "-w", ...]. First element should be path to ruby command
   Executable = Struct.new(:name, :command)
 
   DEFAULT_EXECUTABLES = [Executable.new(RUBY_VERSION, [RbConfig.ruby])]
 
   # @param [Symbol] type - Type of runner
   # @param [Array<Benchmark::Driver::Configuration::Executable>] executables
   # @param [Integer,nil] repeat_count - Times to repeat benchmarks. When this is not nil, benchmark_driver will use the best result.
   class RunnerOptions < Struct.new(:type, :executables, :repeat_count)
     def initialize(*)
       super
-      self.executables = DEFAULT_EXECUTABLES
+      self.executables ||= DEFAULT_EXECUTABLES
     end
 
     def executables_specified?
       executables != DEFAULT_EXECUTABLES
     end