writeTrashFile("b", "Hello world b");
writeTrashFile("a", "b");
git.add().addFilepattern(".").call();
git.commit().setMessage("add file b & file a").call();
Ref branch_1 = git.branchCreate().setName("branch_1").call();
git.rm().addFilepattern("a").call();
File folderA = new File(db.getWorkTree(), "a");
FileUtils.mkdirs(folderA);
writeTrashFile("a/c", "Hello world c");
git.add().addFilepattern(".").call();
git.commit().setMessage("add folder a").call();