How do I fork my own GitHub gist?
One possibility: there is a script posted on gist but I don't know how to install it on my gitHub. In that case, an explanation how to use the script and what it's doing.
(Re)Fork any gist, including your own
<!-- language: lang-js -->
// ==UserScript==
// @name (Re)fork any gist, including your own
// @namespace https://github.com/johan
// @description Adds a "fork" button to gists missing one at gist.github.com, so you can create multiple forks
// @match https://gist.github.com/*
// @include https://gist.github.com/*
// ==/UserScript==
if (/^\/\d+/.test(location.pathname) &&
!document.querySelector('a img[alt="fork"]')) {
var i = document.createElement('img')
, a = document.createElement('a')
, u = document.querySelector('img.button').src
, p = document.querySelector('.title');
a.title = 'Create another fork of this gist';
a.style.cssText = 'float: right; margin: 4px 7px 0';
a.addEventListener('click', fork);
a.appendChild(i);
i.alt = 'fork';
i.src = u.replace(/[^\/]*$/, 'fork_button.png');
i.className = 'button';
p.appendChild(a);
}
function fork(e) {
var f = document.body.appendChild(document.createElement('form'));
f.method = 'POST';
f.action = '/fork' + location.pathname;
f.appendChild(document.querySelector('input[name=authenticity_token]'));
f.submit();
return false;
}
StackOverflow shows how to fork your own GitHub repository.