file = new File(workdir, "file2.txt");
FileUtils.createNewFile(file);
git.add().addFilepattern("file2.txt").call();
git.commit().setMessage("second commit").call();
git.branchCreate().setName("dev").call();
file = new File(workdir, "file3.txt");
FileUtils.createNewFile(file);
git.add().addFilepattern("file3.txt").call();
git.commit().setMessage("third commit").call();