Saving query files in the queries branch

savingqueries.java

Git git = new Git(repository);
String pid = query.getPid().getIdentifier();
PersonIdent personIdent = new PersonIdent("Jane Doe","[email protected]");
String message = "Created query file for PID=" + pid;

// Building the SHA1 hash for the PID
String fileName = DigestUtils.sha1Hex(pid) + ".query";

// Retrieving the queries branch
git.checkout().setName("refs/heads/queries").call();
Path filePath = Paths.get(getWorkingTreeDir(), fileName);

Properties properties = writeQueryToProperties(query);
properties.store(Files.newBufferedWriter(filePath), "");

// Adding the metadata file to the repository
git.add().addFilepattern(fileName).call();

// Committing the metadata file
git.commit().setMessage(message).setAuthor(personIdent).call();