Github manual merge

Fixes the manual merge instructions on github

Από την 19/02/2024. Δείτε την τελευταία έκδοση.

θα χρειαστεί να εγκαταστήσετε μια επέκταση όπως το Tampermonkey, το Greasemonkey ή το Violentmonkey για να εγκαταστήσετε αυτόν τον κώδικα.

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

θα χρειαστεί να εγκαταστήσετε μια επέκταση όπως το Tampermonkey ή το Violentmonkey για να εγκαταστήσετε αυτόν τον κώδικα.

θα χρειαστεί να εγκαταστήσετε μια επέκταση όπως το Tampermonkey ή το Userscripts για να εγκαταστήσετε αυτόν τον κώδικα.

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

Θα χρειαστεί να εγκαταστήσετε μια επέκταση διαχείρισης κώδικα χρήστη για να εγκαταστήσετε αυτόν τον κώδικα.

(Έχω ήδη έναν διαχειριστή κώδικα χρήστη, επιτρέψτε μου να τον εγκαταστήσω!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(Έχω ήδη έναν διαχειριστή στυλ χρήστη, επιτρέψτε μου να τον εγκαταστήσω!)

// ==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();
})();