public List<ClasspathItemWrapper> dependsOn(final boolean tests) {
      if (tests) {
        if (myTestDependsOn != null) {
          return myTestDependsOn;
        }
      } else if (myDependsOn != null) {
        return myDependsOn;
      }

      final List<ClasspathItemWrapper> result = new ArrayList<ClasspathItemWrapper>();

      for (ClasspathItem cpi : myModule.getClasspath(ClasspathKind.compile(tests))) {
        if (cpi instanceof Module) {
          result.add(getModule(((Module) cpi).getName()));
        } else if (cpi instanceof Library) {
          result.add(new LibraryWrapper((Library) cpi));
        } else {
          result.add(new GenericClasspathItemWrapper(cpi));
        }
      }

      if (tests) {
        myTestDependsOn = result;
      } else {
        myDependsOn = result;
      }

      return result;
    }
  public void makeModules(final Collection<Module> initial, final Flags flags) {
    if (myHistory == null && !flags.tests()) {
      clean();
    }

    new Logger(flags) {
      @Override
      public void log(final PrintStream stream) {
        stream.println("Request to make modules:");
        logMany(stream, initial);
        stream.println("End of request");
      }
    }.log();

    final ClasspathKind kind = ClasspathKind.compile(flags.tests());

    final Set<Module> modules = new HashSet<Module>();
    final Set<String> marked = new HashSet<String>();
    final Map<String, Boolean> visited = new HashMap<String, Boolean>();
    final Set<String> frontier = new HashSet<String>();

    final Map<String, Set<String>> reversedDependencies = new HashMap<String, Set<String>>();
    final DotPrinter printer = new DotPrinter(flags.logStream());

    printer.header();

    for (Module m : myProject.getModules().values()) {
      final String mName = m.getName();

      printer.node(mName);

      for (ClasspathItem cpi : m.getClasspath(kind)) {
        if (cpi instanceof Module) {
          final String name = ((Module) cpi).getName();

          printer.edge(name, mName);

          Set<String> sm = reversedDependencies.get(name);

          if (sm == null) {
            sm = new HashSet<String>();
            reversedDependencies.put(name, sm);
          }

          sm.add(mName);
        }
      }
    }

    printer.footer();

    // Building "upper" subgraph

    printer.header();

    new Object() {
      public void run(final Collection<Module> initial) {
        if (initial == null) return;

        for (Module module : initial) {

          final String mName = module.getName();

          if (marked.contains(mName)) continue;

          printer.node(mName);

          final List<Module> dep = new ArrayList<Module>();

          for (ClasspathItem cpi : module.getClasspath(kind)) {
            if (cpi instanceof Module && !marked.contains(((Module) cpi).getName())) {
              printer.edge(((Module) cpi).getName(), mName);
              dep.add((Module) cpi);
            }
          }

          if (dep.size() == 0) {
            frontier.add(mName);
          }

          marked.add(mName);

          run(dep);
        }
      }
    }.run(initial);

    printer.footer();

    // Traversing "upper" subgraph and collecting outdated modules and their descendants
    new Object() {
      public void run(final Collection<String> initial, final boolean force) {
        if (initial == null) return;

        for (String moduleName : initial) {
          if (!marked.contains(moduleName)) continue;

          final Boolean property = visited.get(moduleName);

          if (property == null || !property && force) {
            final boolean outdated = getModule(moduleName).isOutdated(flags.tests(), myHistory);

            if (force || outdated) {
              visited.put(moduleName, true);
              modules.add(myProject.getModules().get(moduleName));

              run(reversedDependencies.get(moduleName), true);
            } else {
              if (property == null) {
                visited.put(moduleName, false);
              }
              run(reversedDependencies.get(moduleName), false);
            }
          }
        }
      }
    }.run(frontier, flags.force());

    new Logger(flags) {
      @Override
      public void log(PrintStream stream) {
        stream.println("Propagated modules:");
        logMany(stream, modules);
        stream.println("End of propagated");
      }
    }.log();

    if (modules.size() == 0 && !flags.force()) {
      System.out.println("All requested modules are up-to-date.");
      return;
    }

    final BusyBeaver beaver = new BusyBeaver(myProjectBuilder);

    myProjectBuilder.buildStart();

    if (flags.tests()) {
      beaver.build(
          modules,
          new Flags() {
            public boolean tests() {
              return false;
            }

            public boolean incremental() {
              return flags.incremental();
            }

            public boolean force() {
              return flags.force();
            }

            public PrintStream logStream() {
              return flags.logStream();
            }
          });
    }

    beaver.build(modules, flags);

    myProjectBuilder.buildStop();

    for (Module mod : modules) {
      getModule(mod.getName()).updateOutputStatus();
    }
  }