// Commit index changes
CommitBuilder builder = createBuilder(headCommit);
builder.setTreeId(cache.writeTree(inserter));
builder.setMessage(MessageFormat.format(indexMessage, branch,
headCommit.abbreviate(7).name(),
headCommit.getShortMessage()));
ObjectId indexCommit = inserter.insert(builder);
// Commit working tree changes
if (!wtEdits.isEmpty() || !wtDeletes.isEmpty()) {