GitHub Download ZIP

A userscript adds download links so that downloaded filenames include the SHA

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        GitHub Download ZIP
// @version     0.2.8
// @description A userscript adds download links so that downloaded filenames include the SHA
// @license     MIT
// @author      Rob Garrison
// @namespace   https://github.com/Mottie
// @match       https://github.com/*
// @run-at      document-idle
// @grant       GM_addStyle
// @grant       GM.addStyle
// @grant       GM_xmlhttpRequest
// @grant       GM.xmlHttpRequest
// @connect     api.github.com
// @connect     assets-cdn.github.com
// @require     https://greasemonkey.github.io/gm4-polyfill/gm4-polyfill.js?updated=20180103
// @require     https://greasyfork.org/scripts/28721-mutations/code/mutations.js?version=1108163
// @icon        https://github.githubassets.com/pinned-octocat.svg
// @supportURL  https://github.com/Mottie/GitHub-userscripts/issues
// ==/UserScript==

/* global GM */
(() => {
	"use strict";

	GM.addStyle(`
		.ghdz-releases { width:100% !important; padding:10px; }
		.ghdz-releases summary { text-align:left; padding-left:16px; }
		.ghdz-files.select-menu-modal { width:100%; border:0; box-shadow:none !important; margin-bottom:0; }
		.ghdz-file { text-align:left; padding-left:16px; }
		.commit-links-cell { min-width: 375px; width: auto; }
	`);

	const zipIcon = `
		<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 32 32" width="16" height="16" class="octicon" style="vertical-align:text-top;margin-left:4px">
			<path d="M28.7 7.2a28.4 28.4 0 0 0-5.9-5.9C21.2.1 20.4 0 20 0H4.5A2.5 2.5 0 0 0 2 2.5v27C2 30.9 3.1 32 4.5 32h23c1.4 0 2.5-1.1 2.5-2.5V10c0-.4-.1-1.2-1.3-2.8zm-4.2-1.7c1 1 1.8 1.8 2.3 2.5H22V3.2c.7.5 1.6 1.3 2.5 2.3zm3.5 24c0 .3-.2.5-.5.5h-23a.5.5 0 0 1-.5-.5v-27c0-.3.2-.5.5-.5H20v7c0 .6.4 1 1 1h7v19.5z"/>
			<path d="M8 2h4v2H8V2zM12 4h4v2h-4V4zM8 6h4v2H8V6zM12 8h4v2h-4V8zM8 10h4v2H8v-2zM12 12h4v2h-4v-2zM8 14h4v2H8v-2zM12 16h4v2h-4v-2zM8 26.5c0 .8.7 1.5 1.5 1.5h5c.8 0 1.5-.7 1.5-1.5v-5c0-.8-.7-1.5-1.5-1.5H12v-2H8v8.5zm6-2.5v2h-4v-2h4z"/>
		</svg>`;
	const span = document.createElement("span");
	span.innerHTML = zipIcon;

	const link = document.createElement("a");
	link.className = "btn btn-outline BtnGroup-item tooltipped tooltipped-s ghdz-btn";
	link.setAttribute("aria-label", "Download ZIP");
	link.innerHTML = zipIcon;

	const div = document.createElement("details");
	div.className = "select-menu get-repo-btn ghdz-releases";
	div.innerHTML = `
		<summary aria-haspopup="menu">
			<span class="ghdz-get-list" data-menu-button>Latest Release Files</span>
		</summary>
		<details-menu
			class="select-menu-modal dropdown-menu-s ghdz-files"
			style="z-index: 99;"
			role="menu"
			aria-label="Releases links"
		>
			<div class="select-menu-list">
				<img src="https://github.githubassets.com/images/spinners/octocat-spinner-32.gif" width="32" alt="">
			</div>
		</details-menu>`;

	function buildURL(part) {
		const [, user, repo] = window.location.pathname.split("/");
		return `https://api.github.com/repos/${user}/${repo}/zipball/${part}`;
	}

	function buildLink(url, text) {
		return `<a href="${url}" class="dropdown-item ghdz-file" role="menuitem">
			${text}
		</a>`;
	}

	function buildReleases(result, container) {
		let html = `<h5 class="ghdz-file">${
			typeof result === "string" ? result : "No release files or assets found"
		}</h5>`;
		// Example page with release files & assets:
		// https://github.com/Maximus5/ConEmu/releases
		if (
			Array.isArray(result) &&
			result.length &&
			Object.keys(result[0] || {}).length
		) {
			html = "";
			const last = result[0];
			if (last.assets) {
				last.assets.forEach(release => {
					const url = release.browser_download_url;
					html += buildLink(url, url.split("/").slice(-1));
				});
			}
			html += buildLink(last.zipball_url, "Source code (zip)");
			html += buildLink(last.tarball_url, "Source code (tar.gz)");
		}
		$(".ghdz-files", container).innerHTML = html;
	}

	function getReleases(container) {
		if ($(".ghdz-file", container)) {
			// Already loaded
			return;
		}
		const [, user, repo] = window.location.pathname.split("/");
		GM.xmlHttpRequest({
			method : "GET",
			url : `https://api.github.com/repos/${user}/${repo}/releases`,
			onload : response => {
				if (response.status !== 200) {
					buildReleases(response.message, container);
					return console.error(response);
				}
				let json = false;
				try {
					json = JSON.parse(response.responseText);
				} catch (err) {
					return console.error(response);
				}
				if (json) {
					buildReleases(json, container);
				}
			}
		});
	}

	function addBindings() {
		document.addEventListener("click", function(event) {
			const target = event.target.closest("details");
			if (target && target.classList.contains("ghdz-releases")) {
				getReleases(target);
			}
		});
	}

	function updateLinks() {
		// Branch dropdown on main repo page
		const branch = $("summary[data-hotkey='w'] span");
		// Download link in "Clone or Download" dropdown
		const downloadLink = $("a[data-ga-click*='download zip']");
		// Repo commits page
		const commits = $(".commits-listing");

		if (downloadLink && branch && !$(".ghdz-releases", downloadLink.parentElement)) {
			const branchName = branch.textContent.indexOf("…") > -1
				// Branch selector is showing trucated text; title has full text
				? branch.parentNode.title
				: branch.textContent;
			downloadLink.href = buildURL(branchName.trim());
			downloadLink.appendChild(span.cloneNode(true));
			downloadLink.after(div.cloneNode(true));
			downloadLink.parentElement.classList.add("flex-wrap");
		}
		// Branch doesn't matter when you're using the SHA (first 7 values)
		if (commits) {
			[...document.querySelectorAll(".commit-group .commit .commit-links-group")].forEach(group => {
				if (!$(".ghdz-btn", group)) {
					const sha = $(".sha", group).textContent.trim();
					const a = link.cloneNode(true);
					a.href = buildURL(sha);
					group.appendChild(a);
				}
			});
		}
	}

	function $(selector, el) {
		return (el || document).querySelector(selector);
	}

	// DOM targets - to detect GitHub dynamic ajax page loading
	document.addEventListener("pjax:end", updateLinks);
	updateLinks();
	addBindings();

})();