in changes-patch-builder/src/jetbrains/buildServer/vcs/patches/fs/MemoryFileSystemImpl.java [360:369]
private void traverseAndRun(Node node, StringBuilder fullPath, NodeVisitor visitor) {
visitor.visit(node, fullPath.toString());
int length = fullPath.length();
for (Edge edge : node.children.values()) {
fullPath.append(length > 0 ? "/" : "") // add a separator (except for the leading one)
.append(edge.value); // add current edge value
traverseAndRun(edge.to, fullPath, visitor);
fullPath.setLength(length); // restore the previous value
}
}