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==
(function() {
function addButton() {
var e
if ((/\/commit\//.test(location.href) || /\/compare\//.test(location.href)) && (e = document.getElementById('toc'))) {
var r = e.querySelector('.GithubCommitDiffButton')
if (r) {
r.parentElement.removeChild(r)
}
var 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)
var 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'))
var 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'))) {
var 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)
var 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'))
var 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)
})()