Copy a template and retain links

gistfile1.txt

var template_board_link = "https://trello.com/b/lIXgjCeC/sample-linked-template";//replace with your actual link
var project_template_name = "Some Project";//replace with the name of your project

var template = new Board({link: template_board_link});
console.log("Copying from: "+template.name());
var new_board = template.copy(project_template_name);

//replace "Main Tasks" if your template board structure is different
//from the sample above
new_board.list("Main Tasks").cards().each(function(card)
{
    replaceLinks(card);
});

console.log("Your new board is ready at: "+new_board.link());

function replaceLinks(card)
{
    try
    {
        //replace "Checklist" with the actual checklist name
        card.checklist("Checklist").items().each(function(item)
        {
            var existing = item.linkedCard();
            var replacement = new_board.card(existing.name());
            item.setName(replacement.link());
            replaceLinks(replacement);
        });
    }

    catch(e)
    {
        Notification.expectException(InvalidDataException,e);
    }

    try
    {
        var parent = card.cardsLinkedInAttachments().first();
        card.attachment(parent.link()).remove();
        card.attachLink(new_board.card(parent.name()).link());
    }

    catch(e)
    {
        Notification.expectException(InvalidDataException,e);
    }
}