Github manual merge

Fixes the manual merge instructions on github
当前为 2024-02-19 提交的版本，查看最新版本。
换行
// ==UserScript==
// @name         Github manual merge
// @namespace    https://github.com/lordwelch/
// @version      1.0
// @description  Fixes the manual merge instructions on github
// @license      MIT
// @author       lordwelch
// @match        https://github.com/*
// @icon         https://www.google.com/s2/favicons?sz=64&domain=github.com
// @grant        none
// @run-at       document-idle
// ==/UserScript==

(async function() {
    'use strict';
    console.log("script started");
    var pushState = history.pushState;
    var replaceState = history.replaceState;

    history.pushState = function() {
        pushState.apply(history, arguments);
        window.dispatchEvent(new Event('pushstate'));
        window.dispatchEvent(new Event('locationchange'));
    };

    history.replaceState = function() {
        replaceState.apply(history, arguments);
        window.dispatchEvent(new Event('replacestate'));
        window.dispatchEvent(new Event('locationchange'));
    };

    window.addEventListener('popstate', function() {
        window.dispatchEvent(new Event('locationchange'));
    });

    window.addEventListener('locationchange', async function(){
        var location = document.location.pathname.match(/\/([^/]+)\/([^/]+)\/pull\/(\d+)$/);
        if (location == null) {
            console.log("incorrect page");
            return;
        }
        var owner = location[1];
        var repo = location[2];
        var prNum = location[3];
        var branchInstructions = document.querySelector("#clone-help-step-1");
        var pushInstructions = document.querySelector("#clone-help-step-2 > span:nth-child(3)");
        var urlObj = document.getElementById("clone-help-git-url");
        var url = '';
        var branchName = '';
        var repoOwner = '';
        while (branchInstructions == null || pushInstructions == null) {
            location = document.location.pathname.match(/\/([^/]+)\/([^/]+)\/pull\/(\d+)$/);
            if (location == null) {
                console.log("incorrect page");
                return;
            }
            owner = location[1];
            repo = location[2];
            prNum = location[3];
            console.log("Waiting for pr to load");
            await new Promise(r => setTimeout(r, 100));
            branchInstructions = document.querySelector("#clone-help-step-1");
            pushInstructions = document.querySelector("#clone-help-step-2 > span:nth-child(3)");
            urlObj = document.getElementById("clone-help-git-url");
        }
        pushInstructions.remove();
        var primaryBranch = branchInstructions.textContent.trim().split("\n")[0].split(" ").at(-1);
        branchName = branchInstructions.textContent.trim().split(" ").at(-1);
        url = urlObj.value.substring(0, urlObj.value.length - 4);
        repoOwner = url.split("/").at(-2);
        branchInstructions.textContent = `git stash\ngit checkout ${primaryBranch}\ngit fetch --force ${url} +${branchName}:${repoOwner}/${branchName}\ngit checkout ${repoOwner}/${branchName}`;
    });
})();
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