Gitiles: copy commit reference

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

您需要先安装一个扩展,例如 篡改猴Greasemonkey暴力猴,之后才能安装此脚本。

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

您需要先安装一个扩展,例如 篡改猴暴力猴,之后才能安装此脚本。

您需要先安装一个扩展,例如 篡改猴Userscripts ,之后才能安装此脚本。

您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey,才能安装此脚本。

您需要先安装用户脚本管理器扩展后才能安装此脚本。

(我已经安装了用户脚本管理器,让我安装!)

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

(我已经安装了用户样式管理器,让我安装!)

// ==UserScript==
// @name         Gitiles: copy commit reference
// @namespace    https://andrybak.dev
// @version      4
// @license      AGPL-3.0-only
// @author       Andrei Rybak
// @description  Adds a "Copy commit reference" button to every commit page on Gitiles websites.
// @homepageURL  https://github.com/rybak/copy-commit-reference-userscript
// @supportURL   https://github.com/rybak/copy-commit-reference-userscript/issues
// @match        https://*.googlesource.com/*/+/*
// @match        https://*.googlesource.com/*/%2B/*
// @match        https://gerrit.wikimedia.org/r/plugins/gitiles/*/+/*
// @match        https://gerrit.wikimedia.org/r/plugins/gitiles/*/%2B/*
// @match        https://gerrit.wikimedia.org/g/*/+/*
// @match        https://gerrit.wikimedia.org/g/*/%2B/*
// @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) 2023-2024 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 Gitiles.
	 * Documentation:
	 *   - https://gerrit.googlesource.com/gitiles/ "Gitiles - A simple JGit repository browser"
	 *
	 * Example URLs for testing:
	 *   - https://kernel.googlesource.com/pub/scm/git/git/+/1f0fc1db8599f87520494ca4f0e3c1b6fabdf997
	 *   - https://code.googlesource.com/git/+/1f0fc1db8599f87520494ca4f0e3c1b6fabdf997
	 *   - https://gerrit.googlesource.com/gitiles/+/refs/tags/v1.2.0
	 *   - https://gerrit.googlesource.com/gitiles/+/refs/heads/master
	 */
	class Gitiles extends GitHosting {
		static #getMetadataSelector() {
			if (document.location.pathname.includes('/+/refs/tags/')) {
				return '.Site .Site-content .Container .Metadata:nth-child(4)';
			}
			return '.Site .Site-content .Container .Metadata';
		}

		getTargetSelector() {
			return `${Gitiles.#getMetadataSelector()} table tr:nth-child(1) td:nth-child(3)`;
		}

		wrapButtonContainer(innerContainer) {
			const container = document.createElement('span');
			container.append(" [", innerContainer, "]");
			return container;
		}

		getButtonText() {
			// TODO: maybe shorter "copy reference" would be better?
			// use all lowercase for consistency with the rest of the UI
			return "copy commit reference";
		}

		getFullHash() {
			const cell = document.querySelector(`${Gitiles.#getMetadataSelector()} table tr:nth-child(1) td:nth-child(2)`);
			return cell.innerText;
		}

		getDateIso(hash) {
			const cell = document.querySelector(`${Gitiles.#getMetadataSelector()} table tr:nth-child(2) td:nth-child(3)`);
			const s = cell.innerText;
			const d = new Date(s);
			return d.toISOString().slice(0, 'YYYY-MM-DD'.length);
		}

		getCommitMessage(hash) {
			return document.querySelector(`${Gitiles.#getMetadataSelector()} + .MetadataMessage`).innerText;
		}
	}

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