-- the root of Git working directory
  -- moudule1
    -- project1(a java project)
      -- .project(a project file recognized by eclipse JDT)
      -- pom.xml
    -- project2(a java project)
      -- .project
      -- pom.xml
  -- module2
    -- projectA(a java project)
      -- .project(a project file recognized by eclipse JDT)
      -- pom.xml
    -- projectB(a c++ project)
      -- .project(a project file recognized by CDT)
      -- pom.xml