Adds button to show diff (or patch) file for commit
// ==UserScript==
// @name Github Commit Diff
// @namespace https://github.com/jerone/UserScripts
// @description Adds button to show diff (or patch) file for commit
// @author jerone
// @copyright 2014+, jerone (https://github.com/jerone)
// @license CC-BY-NC-SA-4.0; https://creativecommons.org/licenses/by-nc-sa/4.0/legalcode
// @license GPL-3.0-or-later; http://www.gnu.org/licenses/gpl-3.0.txt
// @homepage https://github.com/jerone/UserScripts/tree/master/Github_Commit_Diff
// @homepageURL https://github.com/jerone/UserScripts/tree/master/Github_Commit_Diff
// @supportURL https://github.com/jerone/UserScripts/issues
// @contributionURL https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=VCYMHWQ7ZMBKW
// @icon https://github.githubassets.com/pinned-octocat.svg
// @include https://github.com/*
// @exclude https://github.com/*/*.diff
// @exclude https://github.com/*/*.patch
// @version 1.6.7
// @grant none
// ==/UserScript==
// cSpell:ignore tooltipped, diffbar
(function () {
function addButton() {
var e;
if (
(/\/commit\//.test(location.href) ||
/\/compare\//.test(location.href)) &&
(e = document.getElementById("toc"))
) {
let r = e.querySelector(".GithubCommitDiffButton");
if (r) {
r.parentElement.removeChild(r);
}
let b = e.querySelector(".toc-diff-stats");
const s = document.createElementNS(
"http://www.w3.org/2000/svg",
"svg",
);
s.classList.add("octicon", "octicon-diff");
s.setAttributeNS(null, "height", 16);
s.setAttributeNS(null, "width", 14);
s.setAttributeNS(null, "viewBox", "0 0 14 16");
const p = document.createElementNS(
"http://www.w3.org/2000/svg",
"path",
);
p.setAttributeNS(
null,
"d",
"M6 7h2v1H6v2h-1V8H3v-1h2V5h1v2zM3 13h5v-1H3v1z m4.5-11l3.5 3.5v9.5c0 0.55-0.45 1-1 1H1c-0.55 0-1-0.45-1-1V3c0-0.55 0.45-1 1-1h6.5z m2.5 4L7 3H1v12h9V6zM8.5 0S3 0 3 0v1h5l4 4v8h1V4.5L8.5 0z",
);
s.appendChild(p);
let a = document.createElement("a");
a.classList.add("btn", "btn-sm", "tooltipped", "tooltipped-n");
a.setAttribute("href", getPatchOrDiffHref("diff"));
a.setAttribute("rel", "nofollow");
a.setAttribute(
"aria-label",
"Show commit diff.\r\nHold Shift to open commit patch.",
);
a.appendChild(s);
a.appendChild(document.createTextNode(" Diff"));
let g = document.createElement("div");
g.classList.add("GithubCommitDiffButton", "float-right");
g.style.margin = "0 10px 0 0"; // Give us some room
g.appendChild(a);
b.parentNode.insertBefore(g, b);
a.addEventListener("mousedown", mousedownEvent, false);
a.addEventListener(
"mouseout",
function () {
a.setAttribute("href", getPatchOrDiffHref("diff"));
},
false,
);
} else if (
/\/pull\/\d*\/(files|commits)/.test(location.href) &&
(e = document.querySelector(
"#files_bucket .pr-toolbar .diffbar > .float-right",
))
) {
let r = e.querySelector(".GithubCommitDiffButton");
if (r) {
r.parentElement.removeChild(r);
}
const s = document.createElementNS(
"http://www.w3.org/2000/svg",
"svg",
);
s.classList.add("octicon", "octicon-diff");
s.setAttributeNS(null, "height", 16);
s.setAttributeNS(null, "width", 14);
s.setAttributeNS(null, "viewBox", "0 0 14 16");
const p = document.createElementNS(
"http://www.w3.org/2000/svg",
"path",
);
p.setAttributeNS(
null,
"d",
"M6 7h2v1H6v2h-1V8H3v-1h2V5h1v2zM3 13h5v-1H3v1z m4.5-11l3.5 3.5v9.5c0 0.55-0.45 1-1 1H1c-0.55 0-1-0.45-1-1V3c0-0.55 0.45-1 1-1h6.5z m2.5 4L7 3H1v12h9V6zM8.5 0S3 0 3 0v1h5l4 4v8h1V4.5L8.5 0z",
);
s.appendChild(p);
let a = document.createElement("a");
a.classList.add(
"btn",
"btn-sm",
"btn-outline",
"tooltipped",
"tooltipped-s",
);
a.setAttribute("href", getPatchOrDiffHref("diff"));
a.setAttribute("rel", "nofollow");
a.setAttribute(
"aria-label",
"Show commit diff.\r\nHold Shift to open commit patch.",
);
a.appendChild(s);
a.appendChild(document.createTextNode(" Diff"));
let g = document.createElement("div");
g.classList.add("GithubCommitDiffButton", "diffbar-item");
g.appendChild(a);
e.insertBefore(g, e.firstChild);
a.addEventListener("mousedown", mousedownEvent, false);
a.addEventListener(
"mouseout",
function () {
a.setAttribute("href", getPatchOrDiffHref("diff"));
},
false,
);
}
}
function mousedownEvent(e) {
if (e.shiftKey) {
var patch = getPatchOrDiffHref("patch");
e.preventDefault();
this.setAttribute("href", patch);
if (e.which === 1) {
// left click
location.href = patch;
// To prevent Firefox default behavior (opening a new window)
// when pressing shift-click on a link, delete the link.
this.parentElement.removeChild(this);
} else if (e.which === 2) {
// Middle click
window.open(patch, "GithubCommitDiff");
}
} else {
this.setAttribute("href", getPatchOrDiffHref("diff"));
}
}
function getPatchOrDiffHref(type) {
return (
document.querySelector('link[type="text/plain+' + type + '"]') ||
document.querySelector('link[type="text/x-' + type + '"]') || {
href: location.href + "." + type,
}
).href;
}
// Init
addButton();
// Pjax
document.addEventListener("pjax:end", addButton);
})();