GitWeb: copy commit reference

Adds a "Copy commit reference" button to every commit page on GitWeb websites.

Fra og med 05.06.2025. Se den nyeste version.

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

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

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

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

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

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

(I already have a user script manager, let me install it!)

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.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         GitWeb: copy commit reference
// @namespace    https://andrybak.dev
// @version      5
// @license      AGPL-3.0-only
// @author       Andrei Rybak
// @description  Adds a "Copy commit reference" button to every commit page on GitWeb websites.
// @icon         https://repo.or.cz/git-favicon.png
// @homepageURL  https://github.com/rybak/copy-commit-reference-userscript
// @supportURL   https://github.com/rybak/copy-commit-reference-userscript/issues
// @match        https://repo.or.cz/*/commit/*
// @match        https://git.savannah.gnu.org/gitweb/*a=commit*
// @match        https://git.ffmpeg.org/gitweb/*/commit/*
// @match        http://localhost:1234/*a=commit*
// @require      https://cdn.jsdelivr.net/gh/rybak/userscript-libs@e86c722f2c9cc2a96298c8511028f15c45180185/waitForElement.js
// @require      https://cdn.jsdelivr.net/gh/rybak/copy-commit-reference-userscript@1306877cef88bb8792c0851e31454d9b7a82b262/copy-commit-reference-lib.js
// @grant        none
// ==/UserScript==

/*
 * Copyright (C) 2023-2025 Andrei Rybak
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published
 * by the Free Software Foundation, version 3.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */

(function () {
	'use strict';

	/*
	 * Implementation for GitWeb
	 * Documentation:
	 *   - https://git-scm.com/docs/gitweb
	 *   - https://git-scm.com/book/en/v2/Git-on-the-Server-GitWeb
	 *
	 * Example URL for userscript testing:
	 *   - https://repo.or.cz/alt-git.git/commit/1f0fc1db8599f87520494ca4f0e3c1b6fabdf997
	 *
	 * TODO maybe add support for commitdiff pages, e.g.:
	 *     https://repo.or.cz/alt-git.git/commitdiff/1f0fc1db8599f87520494ca4f0e3c1b6fabdf997
	 */
	class GitWeb extends GitHosting {
		getTargetSelector() {
			if (document.querySelector('.page_nav_sub')) {
				return '.page_nav_sub';
			}
			return '.page_nav';
		}

		wrapButtonContainer(innerContainer) {
			const barSeparator = document.createElement('span');
			barSeparator.append(document.createTextNode(' | '));
			/*
			 * CSS class is from 09deab1 (gitweb: enclose ' · ' and ' | ' in span tags, 2015-04-12)
			 * https://repo.or.cz/git/gitweb.git/commit/09deab16f1feac32142bd6db4cd15294a26915a5
			 */
			barSeparator.classList.add('barsep');
			const container = document.createElement('span');
			container.append(barSeparator);
			const tab = document.createElement('span');
			tab.classList.add('tab');
			tab.append(innerContainer);
			container.append(tab);
			return container;
		}

		addButtonContainerToTarget(target, buttonContainer) {
			if (target.classList.contains('page_nav_sub')) {
				super.addButtonContainerToTarget(target, buttonContainer);
				return;
			}
			target.insertBefore(buttonContainer, target.querySelector('br'));
		}

		getButtonText() {
			// use all lowercase for consistency with the rest of the UI
			return "copy commit reference";
		}

		getFullHash() {
			/*
			 * <td>commit</td> is always above <td>parent</td> and <td>tree</td>
			 * so it's fine to just take the first <td> with CSS class `sha1`.
			 */
			const cell = document.querySelector('.title_text .object_header td.sha1');
			return cell.innerText;
		}

		getDateIso(hash) {
			/*
			 * <td>author</td> is always above <td>committer</td>
			 * so it's fine to just take the first <td> with CSS class `sha1`.
			 */
			const cell = document.querySelector('.title_text .object_header .datetime');
			const s = cell.innerText;
			const d = new Date(s);
			return d.toISOString().slice(0, 'YYYY-MM-DD'.length);
		}

		getCommitMessage(hash) {
			return document.querySelector('.page_body').innerText;
		}
	}

	CopyCommitReference.runForGitHostings(new GitWeb());
})();