Github manual merge

Fixes the manual merge instructions on github

Versión del día 19/02/2024. Echa un vistazo a la versión más reciente.

Tendrás que instalar una extensión para tu navegador como Tampermonkey, Greasemonkey o Violentmonkey si quieres utilizar este script.

You will need to install an extension such as Tampermonkey to install this script.

Necesitarás instalar una extensión como Tampermonkey o Violentmonkey para instalar este script.

Necesitarás instalar una extensión como Tampermonkey o Userscripts para instalar este script.

Necesitará instalar una extensión como Tampermonkey para instalar este script.

Necesitarás instalar una extensión para administrar scripts de usuario si quieres instalar este script.

(Ya tengo un administrador de scripts de usuario, déjame instalarlo)

Necesitará instalar una extensión como Stylus para instalar este estilo.

Necesitará instalar una extensión como Stylus para instalar este estilo.

Necesitará instalar una extensión como Stylus para instalar este estilo.

Necesitará instalar una extensión del gestor de estilos de usuario para instalar este estilo.

Necesitará instalar una extensión del gestor de estilos de usuario para instalar este estilo.

Necesitará instalar una extensión del gestor de estilos de usuario para instalar este estilo.

(Ya tengo un administrador de estilos de usuario, déjame instalarlo)

// ==UserScript==
// @name         Github manual merge
// @namespace    https://github.com/lordwelch/
// @version      2.0
// @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("load", function() {
        window.dispatchEvent(new Event('locationchange'));
    });
    function breakCheck() {
        if (document.getElementById('gh-manual-pull-fix') != null) {
            console.log("fix is already applied");
            return;
        }
        if (document.getElementById('gh-manual-merge-fix') != null) {
            console.log("fix is already applied");
            return;
        }
        var location = document.location.pathname.match(/\/([^/]+)\/([^/]+)\/pull\/(\d+)$/);
        if (location == null) {
            console.log("incorrect page");
            return;
        }
    }

    function trimSuffix(str, suffix) {
        if (str.endsWith(suffix)) {
            return str.substr(0, str.length-suffix.length);
        }
        return str;
    }
    function trimPrefix(str, prefix) {
        if (str.startsWith(prefix)) {
            return str.substr(prefix.length-str.length);
        }
        return str;
    }

    function FixForkInstructions(argument) {
        if (breakCheck()) {
            return;
        }

        var urlObj = document.getElementById("clone-help-git-url");
        var url = trimSuffix(urlObj.value.trim(), ".git");
        var stepInstructions = document.querySelectorAll('p.step');
        var step1 = document.querySelector("#clone-help-step-1");
        var step2 = document.querySelector("#clone-help-step-2");

        var primaryBranch = step1.textContent.trim().split("\n").at(0).split(" ").at(-1);
        var branchName = step1.textContent.trim().split(" ").at(-1);
        var repoOwner = url.split("/").at(-2);

        if (primaryBranch.indexOf("/") >= 0 || branchName.indexOf("/") >= 0 || repoOwner.indexOf("/") >= 0) {
            return
        }

        var pullInstructions = `git stash\ngit checkout ${primaryBranch}\ngit fetch --force ${url} +${branchName}:${repoOwner}/${branchName}\ngit checkout ${repoOwner}/${branchName}`;
        var mergeInstructions = `git checkout ${primaryBranch}\ngit merge ${branchName}`;

        var spPull = document.createElement("span");
        spPull.id = 'gh-manual-pull-fix';
        spPull.textContent = pullInstructions;

        var spMerge = document.createElement("span");
        spMerge.id = 'gh-manual-merge-fix';
        spMerge.textContent = mergeInstructions;
        if (breakCheck()) {
            return;
        }

        var parent = step1.parentNode.parentNode;
        step1.textContent = '';
        step2.textContent = '';
        for (let i = 0; i < stepInstructions.length; i++) {
          stepInstructions[i].textContent = "";
        }

        if (breakCheck()) {
            return;
        }
        step1.appendChild(spPull);

        var str = document.createElement("strong");
        str.textContent = "Pull Instructions:"
        stepInstructions[0].appendChild(str);
        stepInstructions[0].appendChild(document.createTextNode(" Stash your changes. Checkout the primary branch. Force fetch the pr branch. Checkout the pr branch."));

        step2.appendChild(spMerge);

        var str = document.createElement("strong");
        str.textContent = "Merge Instructions:"
        stepInstructions[1].appendChild(str);
        stepInstructions[1].appendChild(document.createTextNode(" Checkout the primary branch. Merge the pr branch."));
    }

    function FixBranchInstructions(argument) {
        if (breakCheck()) {
            return;
        }

        var urlObj = document.getElementById("clone-help-git-url");
        var url = trimSuffix(urlObj.value.trim(), ".git");
        var stepInstructions = document.querySelectorAll('p.step');
        var step1 = document.querySelector("#clone-help-step-1");
        var step2 = document.querySelector("#clone-help-step-2");
        var step3 = document.querySelector("#clone-help-step-3");
        var step4 = document.querySelector("#clone-help-step-4");

        var primaryBranch = step1.textContent.trim().split(" ").at(-1);
        var branchName = step3.textContent.trim().split(" ").at(-1);
        var repoOwner = url.split("/").at(-2);

        if (primaryBranch.indexOf("/") >= 0 || branchName.indexOf("/") >= 0 || repoOwner.indexOf("/") >= 0) {
            return
        }

        var pullInstructions = `git stash\ngit checkout ${primaryBranch}\ngit fetch --force ${url} ${branchName}\ngit checkout ${branchName}`;
        var mergeInstructions = `git checkout ${primaryBranch}\ngit merge ${branchName}`;

        var spPull = document.createElement("span");
        spPull.id = 'gh-manual-pull-fix';
        spPull.textContent = pullInstructions;

        var spMerge = document.createElement("span");
        spMerge.id = 'gh-manual-merge-fix';
        spMerge.textContent = mergeInstructions;
        if (breakCheck()) {
            return;
        }

        var parent = step1.parentNode.parentNode;
        step1.textContent = '';
        step2.textContent = '';
        parent.removeChild(step3.parentNode);
        parent.removeChild(step4.parentNode);
        for (let i = 0; i < stepInstructions.length; i++) {
          stepInstructions[i].textContent = "";
        }

        step1.appendChild(spPull);

        var str = document.createElement("strong");
        str.textContent = "Pull Instructions:"
        stepInstructions[0].appendChild(str);
        stepInstructions[0].appendChild(document.createTextNode(" Stash your changes. Checkout the primary branch. Force fetch the pr branch. Checkout the pr branch."));

        step2.appendChild(spMerge);

        var str = document.createElement("strong");
        str.textContent = "Merge Instructions:"
        stepInstructions[1].appendChild(str);
        stepInstructions[1].appendChild(document.createTextNode(" Checkout the primary branch. Merge the pr branch."));
    }
    async function fixManualMergeInstructions() {
        console.log("script running");
        if (breakCheck()) {
            return;
        }
        var location = document.location.pathname.match(/\/([^/]+)\/([^/]+)\/pull\/(\d+)$/);
        if (location == null) {
            return;
        }
        var upstreamOwner = location[1];
        var upstreamRepo = location[2];
        var upstreamPrNum = location[3];
        var urlObj = document.getElementById("clone-help-git-url");
        while (urlObj == null) {
            await new Promise(r => setTimeout(r, 300));
            console.log("Waiting for pr to load");
            if (breakCheck()) {
                return;
            }
            location = document.location.pathname.match(/\/([^/]+)\/([^/]+)\/pull\/(\d+)$/);
            if (location == null) {
                continue;
            }
            upstreamOwner = location[1];
            upstreamRepo = location[2];
            upstreamPrNum = location[3];
            urlObj = document.getElementById("clone-help-git-url");
        }
        if (breakCheck()) {
            return;
        }
        var prPath = trimSuffix(trimPrefix(urlObj.value, "https://github.com"), ".git");
        var prLocation = prPath.match(/\/([^/]+)\/([^/]+)$/);
        var downstreamOwner = prLocation[1];
        var downstreamRepo = prLocation[2];

        if (downstreamRepo != upstreamRepo || downstreamOwner != upstreamOwner) {
            FixForkInstructions()
        } else {
            FixBranchInstructions()
        }
    }
    window.addEventListener('locationchange', fixManualMergeInstructions);
    fixManualMergeInstructions();
})();