lib/parallel_tests/cli.rb in parallel_tests-1.7.1 vs lib/parallel_tests/cli.rb in parallel_tests-1.8.0

@@ -224,16 +224,20 @@
       klass_name = "ParallelTests::#{runner_classname}::Runner"
       klass_name.split('::').inject(Object) { |x, y| x.const_get(y) }
     end
 
     def execute_shell_command_in_parallel(command, num_processes, options)
-      runs = (0...num_processes).to_a
+      runs = if options[:only_group]
+        options[:only_group].map{|g| g - 1}
+      else
+        (0...num_processes).to_a
+      end
       results = if options[:non_parallel]
         runs.map do |i|
           ParallelTests::Test::Runner.execute_command(command, i, num_processes, options)
         end
       else
-        execute_in_parallel(runs, num_processes, options) do |i|
+        execute_in_parallel(runs, runs.size, options) do |i|
           ParallelTests::Test::Runner.execute_command(command, i, num_processes, options)
         end
       end.flatten
 
       abort if results.any? { |r| r[:exit_status] != 0 }