油猴脚本

https://greasyfork.org/zh-CN/scripts/398278-github-%E9%95%9C%E5%83%8F%E8%AE%BF%E9%97%AE-%E5%8A%A0%E9%80%9F%E4%B8%8B%E8%BD%BD

或者添加脚本

// ==UserScript==
// @icon         https://github.githubassets.com/favicon.ico
// @name         Github 镜像访问,加速下载
// @namespace    https://github.com/jadezi/github-accelerator/
// @version      1.0.2
// @description  GitHub 镜像,github 加速
// @author       jadezi
// @license      GPL License
// @match        *://github.com/*
// @require      https://cdn.bootcss.com/jquery/3.4.1/jquery.min.js
// @resource     mycss https://gitee.com/jadezi/github-accelerator-css/raw/master/index.css
// @grant        GM_addStyle
// @grant        GM_setClipboard
// @grant        GM_getResourceText
// ==/UserScript==
(
function() 
{    
var
 clone = 
true
;    
// var clone = false;
    
var
 depth = 
true
;    
// var depth = false;
    
var
 loca = 
window
.location.href;    
var
 mirror_url1 = 
'https://'
 + 
'github.com.cnpmjs.org'
;    
var
 mirror_url2 = 
'http://'
 + 
'github-mirror.bugkiller.org'
;    
var
 mirror_url3 = 
'https://'
 + 
'github.wuyanzheshui.workers.dev'
;    
var
 str1 = 
''
;    
if
 (clone) {
        str1 += 
"git clone "
;        
if
 (depth) {
            str1 += 
"--depth=1 "
;
        }
    }    
var
 a = loca.split(
"/"
);    
var
 str2 = 
'/'
 + a[
3
] + 
'/'
 + a[
4
] + 
'.git'
;    
var
 clone_utl1 = str1 + mirror_url1 + str2;    
var
 clone_utl2 = str1 + mirror_url2 + str2;    
var
 str3 = 
window
.location.pathname;    
var
 web_url1 = mirror_url1 + str3;    
var
 web_url2 = mirror_url2 + str3;    
var
 web_url3 = mirror_url3 + str3;    
var
 info = 
`
    <div class="user-ment">
    <button class="btn btn-primary" type="button" data-toggle="collapse" data-target="#collapseExample" aria-expanded="false" aria-controls="collapseExample">镜像网址</button>
    <div class="collapse multi-collapse" id="collapseExample">
    <div class="user-card user-card-body">
    <div class="user-alert user-alert-warning" role="alert">clone、depth命令的插入可手动编辑代码关闭</div>
    <div class="user-input-group user-mb-3">
    <div class="user-input-group-prepend"><span class="user-input-group-text" id="inputGroup-sizing-default">快速克隆1:</span></div>
    <input id="clone_case_1" type="text" value="${clone_utl1}" data-autoselect="" class="user-form-control" aria-label="将此存储库克隆到 ${clone_utl1}" readonly aria-describedby="inputGroup-sizing-default">
    <div class="user-input-group-append">
    <button class="btn btn-outline-secondary" type="button" id="button-copy1"  data-container="body" data-toggle="popover" data-placement="bottom" data-content="复制成功">复制</button>
    </div>
    <a type="button"  href="${web_url1}" class="btn">快速浏览1</a>
    </div>
    <div class="user-input-group user-mb-3">
    <div class="user-input-group-prepend">
    <span class="user-input-group-text" id="inputGroup-sizing-default">快速克隆2:</span>
    </div>
    <input id="clone_case_2" type="text" value="${clone_utl2}" data-autoselect="" class="user-form-control" aria-label="将此存储库克隆到 ${clone_utl2}" readonly aria-describedby="inputGroup-sizing-default" >
    <div class="user-input-group-append">
    <button class="btn btn-outline-secondary" type="button" id="button-copy2"  data-container="body" data-toggle="popover" data-placement="bottom" data-content="复制成功">复制</button>
    </div>
    <a type="button" href="${web_url2}" class="btn">快速浏览2</a>
    </div>
    <div class="user-input-group user-mb-3">
    <div class="user-input-group-prepend">
    <span class="user-input-group-text" id="inputGroup-sizing-default">快速克隆3:</span>
    </div>
    <input type="text" data-autoselect="" class="user-form-control" aria-describedby="inputGroup-sizing-default" value="不支持clone,直接跳转--->" aria-label="" readonly="" >
    <a type="button" href="${web_url3}" class="btn">快速浏览3</a>
    </div>
    </div>
    </div>
    </div>`
;

    $(
'.repository-content'
).prepend(info);
    $(
'.release-entry'
).each(
function () 
{
        $(
this
).find(
'.d-flex.Box-body>a'
).each(
function () 
{            
var
 href = $(
this
).attr(
'href'
);            
var
 url1 = mirror_url2 + href;            
var
 url2 = mirror_url3 + href;            
var
 div1 = 
`<div class="user_download" style="display: flex;justify-content: flex-end;flex-grow: 1;"><div><a style="padding:4px"  class="btn user-btn-link"  href="${url1}" rel="nofollow">快速下载1</a></div><div><a style="padding:4px"   class="btn user-btn-link" href="${url2}" rel="nofollow">快速下载2</a></div></div>`
            $(
this
).after(div1);
        });
        $(
this
).find(
'.d-block.Box-body>a'
).each(
function () 
{            
var
 href = $(
this
).attr(
'href'
);            
var
 url1 = mirror_url2 + href;            
var
 url2 = mirror_url3 + href;            
var
 div1 = 
`<div class="user_download" style="display: flex;"><div><a style="padding:4px"  class="btn user-btn-link"  href="${url1}" rel="nofollow">快速下载1</a></div><div><a style="padding:4px"   class="btn user-btn-link" href="${url2}" rel="nofollow">快速下载2</a></div></div>`
            $(
this
).after(div1);
        });
    });
    $(
'.get-repo-modal-options'
).each(
function () 
{        
var
 url1 = mirror_url3 +
'/'
+a[
3
]+
'/'
+a[
4
]+ 
'/archive/master.zip'
;        
var
 span1 = 
`<a class="btn btn-outline get-repo-btn btn-block" rel="nofollow" href="${url1}">Fast Download ZIP</a>`
;

        $(
this
).after(span1);
    });    
// 复制按钮
    $(
"#button-copy1"
).on(
'click'
,
function()
{
        GM_setClipboard($(
'#clone_case_1'
).val())
        alert(
"复制成功"
)
    })
    $(
"#button-copy2"
).on(
'click'
,
function()
{
        GM_setClipboard($(
'#clone_case_2'
).val())
        alert(
"复制成功"
)
    })
    GM_addStyle(GM_getResourceText(
'mycss'
));
})();