Add Nomifactory's build scripts

Modified slightly to use LICENSE rather than LICENSE.md
2022-02-10 12:07:06 -08:00 · 2022-02-10 12:07:06 -08:00 · 7a329bc07b
commit 7a329bc07b
parent ff5f5642a4
44 changed files with 23312 additions and 0 deletions
--- a/buildtools/.eslintrc.js
+++ b/buildtools/.eslintrc.js
@ -0,0 +1,17 @@
+module.exports = {
+	parser: "@typescript-eslint/parser",
+	parserOptions: {
+		ecmaVersion: 2020,
+		sourceType: "module",
+		ecmaFeatures: {
+			jsx: true,
+		},
+	},
+	plugins: ["@typescript-eslint"],
+	extends: ["plugin:@typescript-eslint/recommended", "plugin:prettier/recommended"],
+	rules: {
+		quotes: [2, "double", { avoidEscape: true }],
+		semi: [2, "always"],
+		"eol-last": [2, "always"],
+	},
+};
--- a/buildtools/.gitignore
+++ b/buildtools/.gitignore
@ -0,0 +1 @@
+node_modules
--- a/buildtools/.prettierrc.js
+++ b/buildtools/.prettierrc.js
@ -0,0 +1,7 @@
+module.exports =  {
+	semi: true,
+	trailingComma: "all",
+	printWidth: 120,
+	useTabs: true,
+	alignObjectProperties: true
+};
--- a/buildtools/.vscode/settings.json
+++ b/buildtools/.vscode/settings.json
@ -0,0 +1,9 @@
+{
+	"typescript.tsdk": "node_modules\\typescript\\lib",
+	"eslint.workingDirectories": [
+		"./",
+	],
+	"editor.codeActionsOnSave": {
+        "source.fixAll.eslint": true
+    }
+}
--- a/buildtools/buildConfig.ts
+++ b/buildtools/buildConfig.ts
@ -0,0 +1,8 @@
+import buildConfig from "./util/buildConfig.default.json";
+import fs from "fs";
+
+if (fs.existsSync("./config.json")) {
+	Object.assign(buildConfig, JSON.parse(fs.readFileSync("./config.json").toString()));
+}
+
+export default buildConfig;
--- a/buildtools/config.json
+++ b/buildtools/config.json
@ -0,0 +1,12 @@
+{
+	"copyFromSharedServerGlobs": [
+		"overrides/**/*",
+		"!overrides/resources/**/*"
+	],
+	"copyFromSharedClientGlobs": [
+		"overrides/**/*",
+		"!overrides/resources/minecraft/textures/gui/title/background/*"
+	],
+	"nightlyHookAvatar": "https://github.com/NomifactoryDevs.png",
+	"nightlyHookName": "Nightly Builds"
+}
--- a/buildtools/globals.ts
+++ b/buildtools/globals.ts
@ -0,0 +1,13 @@
+import buildConfig from "./buildConfig";
+import upath from "upath";
+import manifest from "./../manifest.json";
+import { ModpackManifest } from "./types/modpackManifest";
+
+export const sharedDestDirectory = upath.join(buildConfig.buildDestinationDirectory, "shared");
+export const clientDestDirectory = upath.join(buildConfig.buildDestinationDirectory, "client");
+export const mmcDestDirectory = upath.join(buildConfig.buildDestinationDirectory, "mmc");
+export const serverDestDirectory = upath.join(buildConfig.buildDestinationDirectory, "server");
+export const langDestDirectory = upath.join(buildConfig.buildDestinationDirectory, "lang");
+export const tempDirectory = upath.join(buildConfig.buildDestinationDirectory, "temp");
+export const modpackManifest = manifest as ModpackManifest;
+export const overridesFolder = modpackManifest.overrides || "overrides";
--- a/buildtools/gulpfile.ts
+++ b/buildtools/gulpfile.ts
@ -0,0 +1,38 @@
+import * as gulp from "gulp";
+
+import pruneCacheTask from "./tasks/misc/pruneCache";
+export const pruneCache = pruneCacheTask;
+
+import sharedTasks from "./tasks/shared";
+import clientTasks from "./tasks/client";
+import serverTasks from "./tasks/server";
+import langTasks from "./tasks/lang";
+import mmcTasks from "./tasks/mmc";
+
+export const buildClient = gulp.series(sharedTasks, clientTasks);
+export const buildServer = gulp.series(sharedTasks, serverTasks);
+export const buildLang = gulp.series(sharedTasks, langTasks);
+export const buildAll = gulp.series(sharedTasks, gulp.series(clientTasks, serverTasks, langTasks));
+export const buildMMC = gulp.series(sharedTasks, clientTasks, mmcTasks);
+
+import checkTasks from "./tasks/checks";
+export const check = gulp.series(checkTasks);
+
+import * as zip from "./tasks/misc/zip";
+export const zipClient = zip.zipClient;
+export const zipServer = zip.zipServer;
+export const zipLang = zip.zipLang;
+export const zipAll = zip.zipAll;
+export const zipMMC = zip.zipMMC;
+
+import * as gha from "./tasks/misc/gha";
+export const makeArtifactNames = gha.makeArtifactNames;
+
+import deployCurseForgeTask from "./tasks/deploy/curseforge";
+export const deployCurseForge = deployCurseForgeTask;
+
+import deployReleasesTask from "./tasks/deploy/releases";
+export const deployReleases = deployReleasesTask;
+
+import fireNightlyWebhookTask from "./tasks/misc/webhook";
+export const fireNightlyWebhook = fireNightlyWebhookTask;
--- a/buildtools/package-lock.json
+++ b/buildtools/package-lock.json
--- a/buildtools/package.json
+++ b/buildtools/package.json
@ -0,0 +1,47 @@
+{
+	"name": "nomifactory-buildtools",
+	"version": "1.2.2",
+	"description": "Nomifactory Server Builder.",
+	"main": "gulpfile.js",
+	"author": "NotMyWing",
+	"license": "LGPL-3.0",
+	"devDependencies": {
+		"@octokit/rest": "^18.3.5",
+		"@types/bluebird": "^3.5.33",
+		"@types/fancy-log": "^1.3.1",
+		"@types/gulp": "^4.0.8",
+		"@types/gulp-imagemin": "^7.0.2",
+		"@types/gulp-rename": "^2.0.0",
+		"@types/gulp-zip": "^4.0.1",
+		"@types/merge-stream": "^1.1.2",
+		"@types/mustache": "^4.1.1",
+		"@types/requestretry": "^1.12.7",
+		"@types/sha1": "^1.1.2",
+		"@types/unzipper": "^0.10.3",
+		"@typescript-eslint/eslint-plugin": "^4.18.0",
+		"@typescript-eslint/parser": "^4.18.0",
+		"bluebird": "^3.7.2",
+		"del": "^6.0.0",
+		"discord-webhook-node": "^1.1.8",
+		"eslint": "^7.22.0",
+		"eslint-config-prettier": "^8.1.0",
+		"eslint-plugin-prettier": "^3.3.1",
+		"fancy-log": "^1.3.3",
+		"gulp": "^4.0.2",
+		"gulp-imagemin": "^7.1.0",
+		"gulp-rename": "^2.0.0",
+		"gulp-zip": "^5.1.0",
+		"merge-stream": "^2.0.0",
+		"mustache": "^4.1.0",
+		"png-to-jpeg": "^1.0.1",
+		"prettier": "^2.2.1",
+		"request": "^2.88.2",
+		"requestretry": "^5.0.0",
+		"sanitize-filename": "^1.6.3",
+		"sha1": "^1.1.1",
+		"ts-node": "^9.1.1",
+		"typescript": "^4.2.3",
+		"unzipper": "^0.10.11",
+		"upath": "^2.0.1"
+	}
+}
--- a/buildtools/tasks/checks/index.ts
+++ b/buildtools/tasks/checks/index.ts
@ -0,0 +1,25 @@
+import gulp from "gulp";
+import { checkEnvironmentalVariables } from "../../util/util";
+
+const vars = [
+	"GITHUB_TOKEN",
+	"GITHUB_REPOSITORY",
+	"GITHUB_SHA",
+	"GITHUB_REF",
+	"CURSEFORGE_PROJECT_ID",
+	"CURSEFORGE_API_TOKEN",
+];
+
+/**
+ * Check required env. variables for vailidity and cancel
+ * the build if something is unset.
+ */
+async function checkEnv() {
+	checkEnvironmentalVariables(vars);
+
+	if (!/.+\/.+/.exec(process.env.GITHUB_REPOSITORY)) {
+		throw new Error("Malformed repository slug.");
+	}
+}
+
+export default gulp.series(checkEnv);
--- a/buildtools/tasks/client/index.ts
+++ b/buildtools/tasks/client/index.ts
@ -0,0 +1,181 @@
+import gulp from "gulp";
+import { clientDestDirectory, modpackManifest, overridesFolder, sharedDestDirectory } from "../../globals";
+import fs from "fs";
+import upath from "upath";
+import buildConfig from "../../buildConfig";
+import { fetchProjectsBulk } from "../../util/curseForgeAPI";
+import log from "fancy-log";
+import rename from "gulp-rename";
+import imagemin from "gulp-imagemin";
+import pngToJpeg from "png-to-jpeg";
+import { MainMenuConfig } from "../../types/mainMenuConfig";
+import del from "del";
+
+async function clientCleanUp() {
+	return del(upath.join(clientDestDirectory, "*"), { force: true });
+}
+
+/**
+ * Checks and creates all necessary directories so we can build the client safely.
+ */
+async function createClientDirs() {
+	if (!fs.existsSync(clientDestDirectory)) {
+		return fs.promises.mkdir(clientDestDirectory, { recursive: true });
+	}
+}
+
+/**
+ * Exports the modpack manifest.
+ */
+async function exportModpackManifest() {
+	const manifestPath = upath.join(clientDestDirectory, "manifest.json");
+
+	// Filter client side files only and prune build-specific fields.
+	const newFiles = modpackManifest.files
+		.map((file) => {
+			if (file.sides) {
+				if (!file.sides.includes("client")) return;
+
+				const newFile = Object.assign({}, file);
+				delete newFile.sides;
+
+				return newFile;
+			}
+
+			return file;
+		})
+		.filter(Boolean);
+
+	return fs.promises.writeFile(
+		manifestPath,
+		JSON.stringify(
+			{
+				...modpackManifest,
+				files: newFiles,
+			},
+			null,
+			"  ",
+		),
+	);
+}
+
+/**
+ * Copies the license file.
+ */
+async function copyClientLicense() {
+	return gulp.src("../LICENSE").pipe(gulp.dest(clientDestDirectory));
+}
+
+/**
+ * Copies the update notes file.
+ */
+function copyClientUpdateNotes() {
+	return gulp.src("../UPDATENOTES.md", { allowEmpty: true }).pipe(gulp.dest(clientDestDirectory));
+}
+
+/**
+ * Copies the changelog file.
+ */
+function copyClientChangelog() {
+	return gulp.src(upath.join(sharedDestDirectory, "CHANGELOG.md")).pipe(gulp.dest(clientDestDirectory));
+}
+
+/**
+ * Copies modpack overrides.
+ */
+function copyClientOverrides() {
+	return gulp
+		.src(buildConfig.copyFromSharedClientGlobs, { nodir: true, cwd: sharedDestDirectory, allowEmpty: true })
+		.pipe(gulp.symlink(upath.join(clientDestDirectory, "overrides")));
+}
+
+/**
+ * Fetches mod links and builds modlist.html.
+ */
+async function fetchModList() {
+	log("Fetching mod infos...");
+
+	// Fetch project/addon infos.
+	const modInfos = await fetchProjectsBulk(modpackManifest.files.map((mod) => mod.projectID));
+
+	log(`Fetched ${modInfos.length} mod infos`);
+
+	// Create modlist.html
+	const output = [
+		"<ul>\r\n",
+		...modInfos
+			// Sort mods by their project IDs.
+			.sort((a, b) => a.id - b.id)
+
+			// Create a <li> node for each mod.
+			.map((modInfo) => {
+				return `\t<li><a href="${modInfo.websiteUrl}">${modInfo.name || "Unknown"} (by ${modInfo.authors
+					.map((author) => author.name || "Someone")
+					.join(", ")})</a></li>\r\n`;
+			}),
+		"</ul>",
+	];
+
+	return fs.promises.writeFile(upath.join(clientDestDirectory, "modlist.html"), output.join(""));
+}
+
+const bgImageNamespace = "minecraft";
+const bgImagePath = "textures/gui/title/background";
+const mainMenuConfigPath = "config/CustomMainMenu/mainmenu.json";
+
+/**
+ * Minifies (converts to jpeg) main menu files so they don't take up 60% of the pack size.
+ */
+async function compressMainMenuImages() {
+	const mainMenuImages = [];
+	const bgImagePathReal = upath.join("resources", bgImageNamespace, bgImagePath);
+
+	// Convert each slideshow image to 80% jpg.
+	await new Promise((resolve) => {
+		gulp
+			.src(upath.join(sharedDestDirectory, overridesFolder, bgImagePathReal, "**/*"))
+			.pipe(imagemin([pngToJpeg({ quality: 80 })]))
+			.pipe(
+				rename((f) => {
+					// xd
+					f.extname = ".jpg";
+
+					// Ping back the file name so we don't have to scan the folder again.
+					mainMenuImages.push(`${f.basename}${f.extname}`);
+				}),
+			)
+			.pipe(gulp.dest(upath.join(clientDestDirectory, overridesFolder, bgImagePathReal)))
+			.on("end", resolve);
+	});
+
+	if (mainMenuImages.length > 0) {
+		// Read the CustomMainMenu config and parse it.
+		const mainMenuConfig: MainMenuConfig = JSON.parse(
+			(await fs.promises.readFile(upath.join(clientDestDirectory, overridesFolder, mainMenuConfigPath))).toString(),
+		);
+
+		// Fill the config with image paths using the weird "namespace:path" scheme.
+		mainMenuConfig.other.background.slideshow.images = mainMenuImages.map(
+			(img) => bgImageNamespace + ":" + upath.join(bgImagePath, img),
+		);
+
+		// Write it back.
+		return fs.promises.writeFile(
+			upath.join(clientDestDirectory, overridesFolder, mainMenuConfigPath),
+			JSON.stringify(mainMenuConfig, null, "  "),
+		);
+	}
+}
+
+export default gulp.series(
+	clientCleanUp,
+	createClientDirs,
+	copyClientOverrides,
+	exportModpackManifest,
+	copyClientLicense,
+	copyClientOverrides,
+	copyClientChangelog,
+	copyClientUpdateNotes,
+	fetchModList,
+	compressMainMenuImages,
+);
--- a/buildtools/tasks/deploy/curseforge.ts
+++ b/buildtools/tasks/deploy/curseforge.ts
@ -0,0 +1,120 @@
+import { modpackManifest, sharedDestDirectory } from "../../globals";
+
+import request from "requestretry";
+import fs from "fs";
+import log from "fancy-log";
+import upath from "upath";
+import buildConfig from "../../buildConfig";
+import { makeArtifactNameBody } from "../../util/util";
+import sanitize from "sanitize-filename";
+
+const CURSEFORGE_ENDPOINT = "https://minecraft.curseforge.com/";
+const variablesToCheck = ["CURSEFORGE_API_TOKEN", "CURSEFORGE_PROJECT_ID", "GITHUB_TAG"];
+
+/**
+ * Uploads build artifacts to CurseForge.
+ */
+async function deployCurseForge(): Promise<void> {
+	/**
+	 * Obligatory variable check.
+	 */
+	variablesToCheck.forEach((vari) => {
+		if (!process.env[vari]) {
+			throw new Error(`Environmental variable ${vari} is unset.`);
+		}
+	});
+
+	const tag = process.env.GITHUB_TAG;
+	const flavorTitle = process.env.BUILD_FLAVOR_TITLE;
+	const displayName = [modpackManifest.name, tag.replace(/^v/, ""), flavorTitle].filter(Boolean).join(" - ");
+
+	const files = [
+		{
+			name: sanitize((makeArtifactNameBody(modpackManifest.name) + "-client.zip").toLowerCase()),
+			displayName: displayName,
+		},
+		{
+			name: sanitize((makeArtifactNameBody(modpackManifest.name) + "-server.zip").toLowerCase()),
+			displayName: `${displayName} Server`,
+		},
+	];
+
+	/**
+	 * Obligatory file check.
+	 */
+	files.forEach((file) => {
+		const path = upath.join(buildConfig.buildDestinationDirectory, file.name);
+		if (!fs.existsSync(path)) {
+			throw new Error(`File ${path} doesn't exist!`);
+		}
+	});
+
+	// Since we've built everything beforehand, the changelog must be available in the shared directory.
+	const changelog = await (await fs.promises.readFile(upath.join(sharedDestDirectory, "CHANGELOG.md")))
+		.toString()
+		.replace(/\n/g, "  \n")
+		.replace(/\n\*/g, "\n•");
+
+	const tokenHeaders = {
+		"X-Api-Token": process.env.CURSEFORGE_API_TOKEN,
+	};
+
+	// Fetch the list of Minecraft versions from CurseForge.
+	log("Fetching CurseForge version manifest...");
+	const versionsManifest =
+		(await request({
+			uri: CURSEFORGE_ENDPOINT + "api/game/versions",
+			headers: tokenHeaders,
+			method: "GET",
+			json: true,
+			fullResponse: false,
+			maxAttempts: 5,
+		})) || [];
+
+	const version = versionsManifest.find((m) => m.name == modpackManifest.minecraft.version);
+
+	if (!version) {
+		throw new Error(`Version ${modpackManifest.minecraft.version} not found on CurseForge.`);
+	}
+
+	let clientFileID: number | null;
+
+	// Upload artifacts.
+	for (const file of files) {
+		const options = {
+			uri: CURSEFORGE_ENDPOINT + `api/projects/${process.env.CURSEFORGE_PROJECT_ID}/upload-file`,
+			method: "POST",
+			headers: {
+				...tokenHeaders,
+				"Content-Type": "multipart/form-data",
+			},
+			formData: {
+				metadata: JSON.stringify({
+					changelog: changelog,
+					changelogType: "markdown",
+					releaseType: "release",
+					parentFileID: clientFileID,
+					gameVersions: clientFileID ? undefined : [version.id],
+					displayName: file.displayName,
+				}),
+				file: fs.createReadStream(upath.join(buildConfig.buildDestinationDirectory, file.name)),
+			},
+			json: true,
+			fullResponse: false,
+		};
+
+		log(`Uploading ${file.name} to CurseForge...` + (clientFileID ? `(child of ${clientFileID})` : ""));
+
+		const response = await request(options);
+
+		if (response && response.id) {
+			if (!clientFileID) {
+				clientFileID = response.id;
+			}
+		} else {
+			throw new Error(`Failed to upload ${file.name}: Invalid Response.`);
+		}
+	}
+}
+
+export default deployCurseForge;
--- a/buildtools/tasks/deploy/releases.ts
+++ b/buildtools/tasks/deploy/releases.ts
@ -0,0 +1,87 @@
+import { modpackManifest, sharedDestDirectory } from "../../globals";
+
+import fs from "fs";
+import upath from "upath";
+import buildConfig from "../../buildConfig";
+import { makeArtifactNameBody } from "../../util/util";
+import Bluebird from "bluebird";
+import { Octokit } from "@octokit/rest";
+import sanitize from "sanitize-filename";
+
+const variablesToCheck = ["GITHUB_TAG", "GITHUB_TOKEN", "GITHUB_REPOSITORY"];
+
+/**
+ * Uploads build artifacts to GitHub Releases.
+ */
+async function deployReleases(): Promise<void> {
+	/**
+	 * Obligatory variable check.
+	 */
+	variablesToCheck.forEach((vari) => {
+		if (!process.env[vari]) {
+			throw new Error(`Environmental variable ${vari} is unset.`);
+		}
+	});
+
+	const body = makeArtifactNameBody(modpackManifest.name);
+	const files = ["client", "server", "lang"].map((file) => sanitize(`${body}-${file}.zip`.toLowerCase()));
+
+	/**
+	 * Obligatory file check.
+	 */
+	files.forEach((file) => {
+		const path = upath.join(buildConfig.buildDestinationDirectory, file);
+		if (!fs.existsSync(path)) {
+			throw new Error(`File ${path} doesn't exist!`);
+		}
+	});
+
+	const octokit = new Octokit({
+		auth: process.env.GITHUB_TOKEN,
+	});
+
+	const parsedSlug = /(.+)\/(.+)/.exec(process.env.GITHUB_REPOSITORY);
+	if (!parsedSlug) {
+		throw new Error("No/malformed GitHub repository slug provided.");
+	}
+
+	const repo = {
+		owner: parsedSlug[1],
+		repo: parsedSlug[2],
+	};
+
+	const tag = process.env.GITHUB_TAG;
+	const flavorTitle = process.env.BUILD_FLAVOR_TITLE;
+
+	// Since we've built everything beforehand, the changelog must be available in the shared directory.
+	const changelog = await (await fs.promises.readFile(upath.join(sharedDestDirectory, "CHANGELOG.md"))).toString();
+
+	// Create a release.
+	const release = await octokit.repos.createRelease({
+		tag_name: tag || "latest-dev-preview",
+		prerelease: !tag,
+		name: [modpackManifest.name, tag.replace(/^v/, ""), flavorTitle].filter(Boolean).join(" - "),
+		body: changelog,
+		...repo,
+	});
+
+	// Upload artifacts.
+	await Bluebird.map(files, async (file) => {
+		await octokit.repos.uploadReleaseAsset({
+			name: file,
+			release_id: release.data.id,
+			...repo,
+
+			// Dumb workaround thanks to broken typings.
+			data: (await fs.promises.readFile(upath.join(buildConfig.buildDestinationDirectory, file))) as unknown as string,
+		});
+	});
+
+	await octokit.repos.updateRelease({
+		release_id: release.data.id,
+		draft: false,
+		...repo,
+	});
+}
+
+export default deployReleases;
--- a/buildtools/tasks/lang/index.ts
+++ b/buildtools/tasks/lang/index.ts
@ -0,0 +1,38 @@
+import gulp from "gulp";
+import rename from "gulp-rename";
+import merge from "merge-stream";
+import upath from "upath";
+import buildConfig from "../../buildConfig";
+import { langDestDirectory, overridesFolder, sharedDestDirectory } from "../../globals";
+import fs from "fs";
+
+/**
+ * Checks and creates all necessary directories so we can build the client safely.
+ */
+async function createLangDirs() {
+	if (!fs.existsSync(langDestDirectory)) {
+		await fs.promises.mkdir(langDestDirectory, { recursive: true });
+	}
+}
+
+async function copyLang() {
+	const resourcesPath = upath.join(sharedDestDirectory, overridesFolder, "resources");
+
+	const opts = { nodir: true, base: resourcesPath };
+	const streams = [
+		gulp.src(upath.join(resourcesPath, "pack.mcmeta"), opts),
+		gulp.src(upath.join(resourcesPath, "**/*.lang"), opts).pipe(
+			rename((f) => {
+				f.dirname = upath.join("assets", f.dirname);
+			}),
+		),
+	];
+
+	return await new Promise((resolve) => {
+		merge(...streams)
+			.pipe(gulp.dest(upath.join(buildConfig.buildDestinationDirectory, langDestDirectory)))
+			.on("end", resolve);
+	});
+}
+
+export default gulp.series(createLangDirs, copyLang);
--- a/buildtools/tasks/misc/gha.ts
+++ b/buildtools/tasks/misc/gha.ts
@ -0,0 +1,16 @@
+import { modpackManifest } from "../../globals";
+import { makeArtifactNameBody } from "../../util/util";
+import sanitize from "sanitize-filename";
+
+export async function makeArtifactNames(): Promise<void> {
+	const body = makeArtifactNameBody(modpackManifest.name);
+	const names = {
+		client: body + "-client",
+		server: body + "-server",
+		lang: body + "-lang",
+	};
+
+	Object.keys(names).forEach((name) => {
+		console.log(`::set-output name=${name}::${sanitize(names[name].toLowerCase())}`);
+	});
+}
--- a/buildtools/tasks/misc/pruneCache.ts
+++ b/buildtools/tasks/misc/pruneCache.ts
@ -0,0 +1,133 @@
+import Bluebird from "bluebird";
+import { modpackManifest } from "../../globals";
+import { downloadOrRetrieveFileDef, getVersionManifest, libraryToPath } from "../../util/util";
+import unzip from "unzipper";
+import { ForgeProfile } from "../../types/forgeProfile";
+import log from "fancy-log";
+import sha1 from "sha1";
+import { fetchFileInfo } from "../../util/curseForgeAPI";
+import { VersionManifest } from "../../types/versionManifest";
+import fs from "fs";
+import upath from "upath";
+import buildConfig from "../../buildConfig";
+
+const FORGE_VERSION_REG = /forge-(.+)/;
+const FORGE_MAVEN = "https://files.minecraftforge.net/maven/";
+
+/**
+ * Download the Forge jar.
+ *
+ * This is basically a carbon copy of the server Forge-fetching task,
+ * except we only download/fetch the Forge jar and enumerate the libraries it has.
+ */
+async function getForgeURLs() {
+	const minecraft = modpackManifest.minecraft;
+
+	/**
+	 * Break down the Forge version defined in manifest.json.
+	 */
+	const parsedForgeEntry = FORGE_VERSION_REG.exec(
+		(minecraft.modLoaders.find((x) => x.id && x.id.indexOf("forge") != -1) || {}).id || "",
+	);
+
+	if (!parsedForgeEntry) {
+		throw new Error("Malformed Forge version in manifest.json.");
+	}
+
+	/**
+	 * Transform Forge version into Maven library path.
+	 */
+	const forgeMavenLibrary = `net.minecraftforge:forge:${minecraft.version}-${parsedForgeEntry[1]}`;
+	const forgeInstallerPath = libraryToPath(forgeMavenLibrary) + "-installer.jar";
+
+	/**
+	 * Fetch the Forge installer
+	 */
+	const forgeJar = await fs.promises.readFile(
+		(
+			await downloadOrRetrieveFileDef({
+				url: FORGE_MAVEN + forgeInstallerPath,
+			})
+		).cachePath,
+	);
+
+	/**
+	 * Parse the profile manifest.
+	 */
+	let forgeProfile: ForgeProfile;
+	const files = (await unzip.Open.buffer(forgeJar))?.files;
+
+	if (!files) {
+		throw new Error("Malformed Forge installation jar.");
+	}
+
+	for (const file of files) {
+		// Look for the installation profile.
+		if (!forgeProfile && file.path == "version.json") {
+			forgeProfile = JSON.parse((await file.buffer()).toString());
+		}
+	}
+
+	if (!forgeProfile || !forgeProfile.libraries) {
+		throw new Error("Malformed Forge installation profile.");
+	}
+
+	/**
+	 * Finally, fetch libraries.
+	 */
+	const libraries = forgeProfile.libraries.filter((x) => Boolean(x?.downloads?.artifact?.url));
+
+	return [FORGE_MAVEN + forgeInstallerPath, ...libraries.map((library) => library.downloads.artifact.url)];
+}
+
+/**
+ * Removes ALL files from the cache directory that haven't been accessed during this run.
+ */
+export default async function pruneCache(): Promise<void> {
+	const urls = [];
+
+	// Push Forge URLs.
+	urls.push(...(await getForgeURLs()).map((url) => url));
+
+	// Fetch file infos.
+	const fileInfos = await Bluebird.map(modpackManifest.files, (file) => fetchFileInfo(file.projectID, file.fileID));
+	urls.push(...fileInfos.map((fileInfo) => fileInfo.downloadUrl));
+
+	// Fetch the Minecraft server.
+	const versionManifest: VersionManifest = await getVersionManifest(modpackManifest.minecraft.version);
+	if (!versionManifest) {
+		throw new Error(`No manifest found for Minecraft ${versionManifest.id}`);
+	}
+	urls.push(versionManifest.downloads.server.url);
+
+	// Push external dependencies.
+	if (modpackManifest.externalDependencies) {
+		urls.push(...modpackManifest.externalDependencies.map((dep) => dep.url));
+	}
+
+	const cache = (await fs.promises.readdir(buildConfig.downloaderCacheDirectory)).filter((entity) =>
+		fs.statSync(upath.join(buildConfig.downloaderCacheDirectory, entity)).isFile(),
+	);
+
+	const shaMap: { [key: string]: boolean } = urls.reduce((map, url) => ((map[sha1(url)] = true), map), {});
+
+	let count = 0,
+		bytes = 0;
+
+	for (const sha of cache) {
+		if (!shaMap[sha]) {
+			const path = upath.join(buildConfig.downloaderCacheDirectory, sha);
+			const stat = fs.existsSync(path) ? await fs.promises.stat(path) : null;
+
+			if (stat && stat.isFile()) {
+				count += 1;
+				bytes += stat.size;
+				log(`Pruning ${sha}...`);
+
+				await fs.promises.unlink(path);
+			}
+		}
+	}
+
+	log(`Pruned ${count} files (${(bytes / 1024 / 1024).toFixed(3)} MiB)`);
+}
--- a/buildtools/tasks/misc/webhook.ts
+++ b/buildtools/tasks/misc/webhook.ts
@ -0,0 +1,25 @@
+import { MessageBuilder, Webhook } from "discord-webhook-node";
+import buildConfig from "../../buildConfig";
+import { checkEnvironmentalVariables } from "../../util/util";
+
+export default async function fireNightlyWebhook(): Promise<void> {
+	checkEnvironmentalVariables(["DISCORD_WEBHOOK", "GITHUB_RUN_ID", "GITHUB_SHA"]);
+
+	const webhook = new Webhook(process.env.DISCORD_WEBHOOK);
+
+	if (buildConfig.nightlyHookName) {
+		webhook.setUsername(buildConfig.nightlyHookName);
+	}
+
+	if (buildConfig.nightlyHookAvatar) {
+		webhook.setAvatar(buildConfig.nightlyHookAvatar);
+	}
+
+	const link = `https://github.com/${process.env.GITHUB_REPOSITORY}/actions/runs/${process.env.GITHUB_RUN_ID}`;
+
+	const embed = new MessageBuilder()
+		.setTitle(`New snapshot available! (**${process.env.GITHUB_SHA.substr(0, 7)}**)`)
+		.setDescription(`Click to [view on GitHub Actions](${link}).`);
+
+	return webhook.send(embed);
+}
--- a/buildtools/tasks/misc/zip.ts
+++ b/buildtools/tasks/misc/zip.ts
@ -0,0 +1,46 @@
+import {
+	clientDestDirectory,
+	langDestDirectory,
+	mmcDestDirectory,
+	modpackManifest,
+	serverDestDirectory,
+} from "../../globals";
+import upath from "upath";
+import zip from "gulp-zip";
+import gulp from "gulp";
+import buildConfig from "../../buildConfig";
+import { makeArtifactNameBody } from "../../util/util";
+import sanitize from "sanitize-filename";
+
+async function zipFolder(path: string, zipName: string = upath.basename(path) + ".zip"): Promise<void> {
+	return new Promise((resolve) => {
+		gulp
+			.src(upath.join(path, "**"), { nodir: true, base: path, dot: true })
+			.pipe(zip(zipName))
+			.pipe(gulp.dest(buildConfig.buildDestinationDirectory))
+			.on("end", resolve);
+	});
+}
+
+function makeZipper(src: string, artifactName: string) {
+	const zipFn = () => {
+		return zipFolder(
+			upath.join(src),
+			sanitize((makeArtifactNameBody(modpackManifest.name) + `-${artifactName}.zip`).toLowerCase()),
+		);
+	};
+
+	Object.defineProperty(zipFn, "name", {
+		value: `zip${artifactName}`,
+		configurable: true,
+	});
+
+	return zipFn;
+}
+
+export const zipServer = makeZipper(serverDestDirectory, "Server");
+export const zipClient = makeZipper(clientDestDirectory, "Client");
+export const zipLang = makeZipper(langDestDirectory, "Lang");
+export const zipMMC = makeZipper(mmcDestDirectory, "MMC");
+
+export const zipAll = gulp.series(zipServer, zipClient, zipLang);
--- a/buildtools/tasks/mmc/index.ts
+++ b/buildtools/tasks/mmc/index.ts
@ -0,0 +1,118 @@
+import { clientDestDirectory, mmcDestDirectory, modpackManifest } from "../../globals";
+import { fetchMods } from "../../util/curseForgeAPI";
+import * as upath from "upath";
+import { series, src, symlink } from "gulp";
+import * as fs from "fs";
+
+async function mmcCleanUp(cb) {
+	if (fs.existsSync(mmcDestDirectory)) {
+		await fs.promises.rm(mmcDestDirectory, { recursive: true });
+	}
+
+	cb();
+}
+
+/**
+ * Checks and creates all necessary directories so we can build the client safely.
+ */
+async function createMMCDirs(cb) {
+	if (!fs.existsSync(mmcDestDirectory)) {
+		await fs.promises.mkdir(mmcDestDirectory, { recursive: true });
+	}
+
+	cb();
+}
+
+/**
+ * Copies modpack overrides.
+ */
+function copyOverrides() {
+	return src(upath.join(clientDestDirectory, "**/*.*"), {
+		nodir: true,
+		resolveSymlinks: false,
+	}).pipe(symlink(upath.join(mmcDestDirectory)));
+}
+
+/**
+ * Copies modpack overrides.
+ */
+async function renameOverrides() {
+	await fs.promises.rename(upath.join(mmcDestDirectory, "overrides"), upath.join(mmcDestDirectory, ".minecraft"));
+	return fs.promises.rm(upath.join(mmcDestDirectory, "manifest.json"));
+}
+
+/**
+ * Downloads client mods according to manifest.json and checks hashes.
+ */
+async function fetchModJars() {
+	return fetchMods(
+		modpackManifest.files.filter((f) => !f.sides || f.sides.includes("client")),
+		upath.join(mmcDestDirectory, ".minecraft"),
+	);
+}
+
+async function createMMCConfig() {
+	const cfg = {
+		InstanceType: "OneSix",
+		iconKey: "default",
+		name: modpackManifest.name,
+	};
+
+	return fs.promises.writeFile(
+		upath.join(mmcDestDirectory, "instance.cfg"),
+		Object.keys(cfg)
+			.map((key) => {
+				return `${key}=${cfg[key]}`;
+			})
+			.join("\n"),
+	);
+}
+
+async function createMMCManifest() {
+	const manifest = {
+		components: [],
+		formatVersion: 1,
+	};
+
+	manifest.components.push({
+		cachedName: "Minecraft",
+		cachedVersion: modpackManifest.minecraft.version,
+		important: true,
+		uid: "net.minecraft",
+		version: modpackManifest.minecraft.version,
+	});
+
+	const forgeLoader = modpackManifest.minecraft.modLoaders
+		.map((x) => x.id.match(/forge-(.+)/))
+		.filter(Boolean)
+		.shift();
+
+	if (forgeLoader) {
+		const ver = forgeLoader[1];
+
+		manifest.components.push({
+			cachedName: "Forge",
+			cachedRequires: [
+				{
+					equals: `${modpackManifest.minecraft.version}`,
+					uid: "net.minecraft",
+				},
+			],
+			cachedVersion: ver,
+			uid: "net.minecraftforge",
+			version: ver,
+		});
+	}
+
+	return fs.promises.writeFile(upath.join(mmcDestDirectory, "mmc-pack.json"), JSON.stringify(manifest, null, "\t"));
+}
+
+export default series(
+	mmcCleanUp,
+	createMMCDirs,
+	copyOverrides,
+	renameOverrides,
+	createMMCConfig,
+	createMMCManifest,
+	fetchModJars,
+);
--- a/buildtools/tasks/server/index.ts
+++ b/buildtools/tasks/server/index.ts
@ -0,0 +1,269 @@
+import upath from "upath";
+import unzip from "unzipper";
+import through from "through2";
+import mustache from "mustache";
+import log from "fancy-log";
+import gulp, { src, dest, symlink } from "gulp";
+import fs from "fs";
+import buildConfig from "../../buildConfig";
+import Bluebird from "bluebird";
+import { ForgeProfile } from "../../types/forgeProfile";
+import { FileDef } from "../../types/fileDef";
+import { downloadOrRetrieveFileDef, getVersionManifest, libraryToPath, relative } from "../../util/util";
+import { modpackManifest, serverDestDirectory, sharedDestDirectory } from "../../globals";
+import del from "del";
+import { VersionManifest } from "../../types/versionManifest";
+import { fetchMods } from "../../util/curseForgeAPI";
+
+const FORGE_VERSION_REG = /forge-(.+)/;
+const FORGE_MAVEN = "https://files.minecraftforge.net/maven/";
+
+let g_forgeJar;
+
+async function serverCleanUp() {
+	return del(upath.join(serverDestDirectory, "*"), { force: true });
+}
+
+/**
+ * Checks and creates all necessary directories so we can build the client safely.
+ */
+async function createServerDirs() {
+	if (!fs.existsSync(serverDestDirectory)) {
+		return fs.promises.mkdir(serverDestDirectory, { recursive: true });
+	}
+}
+
+/**
+ * Download the Forge jar.
+ *
+ * Extract, parse the profile data and download required libraries.
+ */
+async function downloadForge() {
+	const minecraft = modpackManifest.minecraft;
+
+	/**
+	 * Break down the Forge version defined in manifest.json.
+	 */
+	const parsedForgeEntry = FORGE_VERSION_REG.exec(
+		(minecraft.modLoaders.find((x) => x.id && x.id.indexOf("forge") != -1) || {}).id || "",
+	);
+
+	if (!parsedForgeEntry) {
+		throw new Error("Malformed Forge version in manifest.json.");
+	}
+
+	/**
+	 * Transform Forge version into Maven library path.
+	 */
+	const forgeMavenLibrary = `net.minecraftforge:forge:${minecraft.version}-${parsedForgeEntry[1]}`;
+	const forgeInstallerPath = libraryToPath(forgeMavenLibrary) + "-installer.jar";
+	const forgeUniversalPath = upath.join("maven", libraryToPath(forgeMavenLibrary) + ".jar");
+
+	/**
+	 * Fetch the Forge installer
+	 */
+	const forgeJar = await fs.promises.readFile(
+		(
+			await downloadOrRetrieveFileDef({
+				url: FORGE_MAVEN + forgeInstallerPath,
+			})
+		).cachePath,
+	);
+
+	/**
+	 * Parse the profile manifest.
+	 */
+	let forgeUniversalJar: Buffer, forgeProfile: ForgeProfile;
+	const files = (await unzip.Open.buffer(forgeJar))?.files;
+
+	log("Extracting Forge installation profile & jar...");
+
+	if (!files) {
+		throw new Error("Malformed Forge installation jar.");
+	}
+
+	for (const file of files) {
+		// Look for the universal jar.
+		if (!forgeUniversalJar && file.path == forgeUniversalPath) {
+			forgeUniversalJar = await file.buffer();
+		}
+		// Look for the installation profile.
+		else if (!forgeProfile && file.path == "version.json") {
+			forgeProfile = JSON.parse((await file.buffer()).toString());
+		}
+
+		if (forgeUniversalJar && forgeProfile) {
+			break;
+		}
+	}
+
+	if (!forgeProfile || !forgeProfile.libraries) {
+		throw new Error("Malformed Forge installation profile.");
+	}
+
+	if (!forgeUniversalJar) {
+		throw new Error("Couldn't find the universal Forge jar in the installation jar.");
+	}
+
+	/**
+	 * Move the universal jar into the dist folder.
+	 */
+	log("Extracting the Forge jar...");
+	await fs.promises.writeFile(upath.join(serverDestDirectory, upath.basename(forgeUniversalPath)), forgeUniversalJar);
+
+	/**
+	 * Save the universal jar file name for later.
+	 *
+	 * We will need it to process launchscripts.
+	 */
+	g_forgeJar = upath.basename(forgeUniversalPath);
+
+	/**
+	 * Finally, fetch libraries.
+	 */
+	const libraries = forgeProfile.libraries.filter((x) => Boolean(x?.downloads?.artifact?.url));
+	log(`Fetching ${libraries.length} server libraries...`);
+
+	return Bluebird.map(
+		libraries,
+		async (library) => {
+			const libraryPath = library.downloads.artifact.path;
+
+			const def: FileDef = {
+				url: library.downloads.artifact.url,
+			};
+
+			if (library.downloads.artifact.sha1) {
+				def.hashes = [{ id: "sha1", hashes: [library.downloads.artifact.sha1] }];
+			}
+
+			const destPath = upath.join(serverDestDirectory, "libraries", libraryPath);
+
+			await fs.promises.mkdir(upath.dirname(destPath), { recursive: true });
+			await fs.promises.symlink(relative(destPath, (await downloadOrRetrieveFileDef(def)).cachePath), destPath);
+		},
+		{ concurrency: buildConfig.downloaderConcurrency },
+	);
+}
+
+/**
+ * Download the server jar.
+ */
+async function downloadMinecraftServer() {
+	log("Fetching the Minecraft version manifest...");
+	const versionManifest: VersionManifest = await getVersionManifest(modpackManifest.minecraft.version);
+	if (!versionManifest) {
+		throw new Error(`No manifest found for Minecraft ${versionManifest.id}`);
+	}
+
+	/**
+	 * Fetch the server jar file.
+	 *
+	 * Pass SHA1 hash to compare against the downloaded file.
+	 */
+	const serverJar = await downloadOrRetrieveFileDef({
+		url: versionManifest.downloads.server.url,
+		hashes: [{ id: "sha1", hashes: versionManifest.downloads.server.sha1 }],
+	});
+
+	if (!(versionManifest.downloads && versionManifest.downloads.server)) {
+		throw new Error(`No server jar file found for ${versionManifest.id}`);
+	}
+
+	const dest = upath.join(serverDestDirectory, `minecraft_server.${versionManifest.id}.jar`);
+	await fs.promises.symlink(relative(dest, serverJar.cachePath), dest);
+}
+
+/**
+ * Downloads mods according to manifest.json and checks hashes.
+ */
+async function downloadMods() {
+	return fetchMods(
+		modpackManifest.files.filter((f) => !f.sides || f.sides.includes("server")),
+		serverDestDirectory,
+	);
+}
+
+/**
+ * Copies modpack overrides.
+ */
+function copyServerOverrides() {
+	return gulp
+		.src(buildConfig.copyFromSharedServerGlobs, { nodir: true, cwd: sharedDestDirectory, allowEmpty: true })
+		.pipe(symlink(upath.join(serverDestDirectory)));
+}
+
+/**
+ * Copies files from ./serverfiles into dest folder.
+ */
+function copyServerfiles() {
+	return src(["../serverfiles/**"]).pipe(dest(serverDestDirectory));
+}
+
+/**
+ * Copies the license file.
+ */
+function copyServerLicense() {
+	return src("../LICENSE").pipe(dest(serverDestDirectory));
+}
+
+/**
+ * Copies the update notes file.
+ */
+function copyServerUpdateNotes() {
+	return src("../UPDATENOTES.md", { allowEmpty: true }).pipe(dest(serverDestDirectory));
+}
+
+/**
+ * Copies the changelog file.
+ */
+function copyServerChangelog() {
+	return src(upath.join(sharedDestDirectory, "CHANGELOG.md")).pipe(dest(serverDestDirectory));
+}
+
+/**
+ * Copies files from ./launchscripts into dest folder and processes them using mustache.
+ *
+ * Replaces jvmArgs, minRAM, maxRAM and forgeJar.
+ */
+function processLaunchscripts() {
+	const rules = {
+		jvmArgs: buildConfig.launchscriptsJVMArgs,
+		minRAM: buildConfig.launchscriptsMinRAM,
+		maxRAM: buildConfig.launchscriptsMaxRAM,
+		forgeJar: "",
+	};
+
+	if (g_forgeJar) {
+		rules.forgeJar = g_forgeJar;
+	} else {
+		log.warn("No forgeJar specified!");
+		log.warn("Did downloadForge task fail?");
+	}
+
+	return src(["../launchscripts/**"])
+		.pipe(
+			through.obj((file, _, callback) => {
+				if (file.isBuffer()) {
+					const rendered = mustache.render(file.contents.toString(), rules);
+					file.contents = Buffer.from(rendered);
+				}
+				callback(null, file);
+			}),
+		)
+		.pipe(dest(serverDestDirectory));
+}
+
+export default gulp.series([
+	serverCleanUp,
+	createServerDirs,
+	downloadForge,
+	downloadMinecraftServer,
+	downloadMods,
+	copyServerOverrides,
+	copyServerfiles,
+	copyServerLicense,
+	copyServerChangelog,
+	copyServerUpdateNotes,
+	processLaunchscripts,
+]);
--- a/buildtools/tasks/shared/index.ts
+++ b/buildtools/tasks/shared/index.ts
@ -0,0 +1,177 @@
+import fs from "fs";
+import gulp from "gulp";
+import upath from "upath";
+import buildConfig from "../../buildConfig";
+import { modpackManifest, overridesFolder, sharedDestDirectory, tempDirectory } from "../../globals";
+import del from "del";
+import { FileDef } from "../../types/fileDef";
+import Bluebird from "bluebird";
+import {
+	compareAndExpandManifestDependencies,
+	downloadOrRetrieveFileDef,
+	getChangeLog,
+	getFileAtRevision,
+	getLastGitTag,
+	relative,
+} from "../../util/util";
+
+async function sharedCleanUp() {
+	await del(upath.join(sharedDestDirectory, "*"), { force: true });
+	await del(upath.join(tempDirectory, "*"), { force: true });
+}
+
+/**
+ * Checks and creates all necessary directories so we can build everything safely.
+ */
+async function createSharedDirs() {
+	if (!fs.existsSync(sharedDestDirectory)) {
+		await fs.promises.mkdir(sharedDestDirectory, { recursive: true });
+	}
+
+	if (!fs.existsSync(tempDirectory)) {
+		await fs.promises.mkdir(tempDirectory, { recursive: true });
+	}
+}
+
+/**
+ * Copies modpack overrides.
+ */
+async function copyOverrides() {
+	return new Promise((resolve) => {
+		gulp
+			.src(upath.join(buildConfig.buildSourceDirectory, overridesFolder, "**/*"))
+			.pipe(gulp.dest(upath.join(sharedDestDirectory, overridesFolder)))
+			.on("end", resolve);
+	});
+}
+
+/**
+ * Fetch external dependencies and remove the field from the manifest file.
+ */
+async function fetchExternalDependencies() {
+	const dependencies = modpackManifest.externalDependencies;
+	if (dependencies) {
+		const destDirectory = upath.join(sharedDestDirectory, overridesFolder, "mods");
+
+		if (!fs.existsSync(destDirectory)) {
+			await fs.promises.mkdir(destDirectory, { recursive: true });
+		}
+
+		// Map dependencies to FileDefs.
+		const depDefs: FileDef[] = dependencies.map((dep) => {
+			return {
+				url: dep.url,
+				hashes: [
+					{
+						hashes: [dep.sha],
+						id: "sha1",
+					},
+				],
+			};
+		});
+
+		delete modpackManifest.externalDependencies;
+
+		return Bluebird.map(
+			depDefs,
+			async (depDef) => {
+				const dest = upath.join(destDirectory, upath.basename(depDef.url));
+				const cachePath = (await downloadOrRetrieveFileDef(depDef)).cachePath;
+
+				const rel = relative(dest, cachePath);
+
+				await fs.promises.symlink(rel, dest);
+			},
+			{ concurrency: buildConfig.downloaderConcurrency },
+		);
+	}
+}
+
+/**
+ * Generates a changelog based on environmental variables.
+ */
+async function makeChangelog() {
+	let since = getLastGitTag(),
+		to: string;
+
+	// If this is a tagged build, fetch the tag before last.
+	if (process.env.GITHUB_TAG) {
+		since = getLastGitTag(process.env.GITHUB_TAG);
+		to = process.env.GITHUB_TAG;
+	}
+	// Back-compat in case this crap is still around.
+	else if (since == "latest-dev-preview") {
+		since = getLastGitTag(since);
+	}
+
+	const old = JSON.parse(getFileAtRevision("manifest.json", since)) as ModpackManifest;
+	const current = modpackManifest;
+	const commitList = getChangeLog(since, to, [upath.join("..", modpackManifest.overrides)]);
+
+	const builder: string[] = [];
+	// If the UPDATENOTES.md file is present, prepend it verbatim.
+	if (fs.existsSync("../UPDATENOTES.md")) {
+		builder.push((await fs.promises.readFile("../UPDATENOTES.md")).toString());
+	}
+
+	// Push the title.
+	builder.push(`# Changes since ${since}`);
+
+	const comparisonResult = await compareAndExpandManifestDependencies(old, current);
+
+	// Push mod update blocks.
+	[
+		{
+			name: "## New mods",
+			list: comparisonResult.added,
+		},
+		{
+			name: "## Updated mods",
+			list: comparisonResult.modified,
+		},
+		{
+			name: "## Removed mods",
+			list: comparisonResult.removed,
+		},
+	].forEach((block) => {
+		if (block.list.length == 0) {
+			return;
+		}
+
+		builder.push("");
+		builder.push(block.name);
+		builder.push(
+			...block.list
+				// Yeet invalid project names.
+				.filter((project) => !/project-\d*/.test(project))
+				.sort()
+				.map((name) => `* ${name}`),
+		);
+	});
+
+	// Push the changelog itself.
+	if (commitList) {
+		builder.push("");
+		builder.push("## Commits");
+		builder.push(commitList);
+	}
+
+	// Check if the builder only contains the title.
+	if (builder.length == 1) {
+		builder.push("");
+		builder.push("There haven't been any changes.");
+	}
+
+	return fs.promises.writeFile(upath.join(sharedDestDirectory, "CHANGELOG.md"), builder.join("\n"));
+}
+
+import transforms from "./transforms";
+import { ModpackManifest } from "../../types/modpackManifest";
+export default gulp.series(
+	sharedCleanUp,
+	createSharedDirs,
+	copyOverrides,
+	makeChangelog,
+	fetchExternalDependencies,
+	...transforms,
+);
--- a/buildtools/tasks/shared/transforms/index.ts
+++ b/buildtools/tasks/shared/transforms/index.ts
@ -0,0 +1,5 @@
+import quest from "./quest_i18n";
+import scannable from "./scannable";
+import version from "./version";
+
+export default [quest, scannable, version];
--- a/buildtools/tasks/shared/transforms/quest_i18n.ts
+++ b/buildtools/tasks/shared/transforms/quest_i18n.ts
@ -0,0 +1,123 @@
+import fs from "fs";
+import upath from "upath";
+import { overridesFolder, sharedDestDirectory } from "../../../globals";
+import { Quest, QuestBook, QuestLines as QuestLine } from "../../../types/bqQuestBook";
+
+const questLocation = "config/betterquesting/DefaultQuests.json";
+const langFileLocation = "resources/questbook/lang";
+
+function escapeString(string: string) {
+	return string.replace(/%/g, "%%").replace(/\n/g, "%n");
+}
+
+function transformKeyPairs(
+	database: { [key: string]: Quest } | { [key: string]: QuestLine },
+	namespace: string,
+	lines: string[],
+) {
+	Object.keys(database).forEach((key) => {
+		const storeKey = key.replace(/:10/g, "");
+		const item = database[key];
+
+		const properties = item["properties:10"]["betterquesting:10"];
+		if (properties["name:8"] !== "Gap") {
+			const titleKey = `nomifactory.quest.${namespace}.${storeKey}.title`;
+			const descKey = `nomifactory.quest.${namespace}.${storeKey}.desc`;
+
+			// Push lang file lines.
+			lines.push(
+				`# ${namespace} ${storeKey}`,
+				`${titleKey}=${escapeString(properties["name:8"])}`,
+				`${descKey}=${escapeString(properties["desc:8"])}`,
+				"",
+			);
+
+			properties["name:8"] = titleKey;
+			properties["desc:8"] = descKey;
+		} else {
+			properties["name:8"] = "";
+			properties["desc:8"] = "";
+		}
+	});
+}
+
+/**
+ * Trimming all that results in almost half the size of the original JSON file.
+ *
+ * Interesting, huh?
+ */
+const uselessProps = {
+	"simultaneous:1": 0,
+	"ismain:1": 0,
+	"repeat_relative:1": 1,
+	"globalshare:1": 0,
+	"repeattime:3": -1,
+	"issilent:1": 0,
+	"snd_complete:8": "minecraft:entity.player.levelup",
+	"snd_update:8": "minecraft:entity.player.levelup",
+	"tasklogic:8": "AND",
+	"questlogic:8": "AND",
+	"visibility:8": "NORMAL",
+	"partysinglereward:1": 0,
+	"lockedprogress:1": 0,
+	"OreDict:8": "",
+	"Damage:2": 0,
+	"Count:3": 0,
+	"autoclaim:1": 0,
+	"autoConsume:1": 0,
+	"consume:1": 0,
+	"groupDetect:1": 0,
+	"ignoreNBT:1": 0,
+	"index:3": 0,
+	"partialMatch:1": 1,
+};
+
+function stripUselessMetadata(object: unknown) {
+	Object.keys(object).forEach((propName) => {
+		const prop = object[propName];
+		if (prop === uselessProps[propName]) {
+			return delete object[propName];
+		}
+
+		if (typeof prop === "object") {
+			if (Array.isArray(prop) && prop.length === 0) {
+				return delete object[propName];
+			}
+
+			stripUselessMetadata(prop);
+
+			if (Object.keys(prop).length === 0) {
+				return delete object[propName];
+			}
+		}
+	});
+}
+
+/**
+ * Extract lang entries from the quest book and transform the database.
+ */
+export default async function transformQuestBook(): Promise<void> {
+	const questDatabasePath = upath.join(sharedDestDirectory, overridesFolder, questLocation);
+	const questLangLocation = upath.join(sharedDestDirectory, overridesFolder, langFileLocation);
+
+	const questBook: QuestBook = JSON.parse((await fs.promises.readFile(questDatabasePath)).toString());
+
+	// Traverse through the quest book and rewrite titles/descriptions.
+	// Extract title/desc pairs into a lang file.
+	const lines: string[] = [];
+
+	// Quest lines.
+	transformKeyPairs(questBook["questLines:9"], "line", lines);
+
+	// Quests themselves.
+	transformKeyPairs(questBook["questDatabase:9"], "db", lines);
+
+	// Write lang file.
+	await fs.promises.mkdir(questLangLocation, { recursive: true });
+	await fs.promises.writeFile(upath.join(questLangLocation, "en_us.lang"), lines.join("\n"));
+
+	// Strip useless metadata.
+	stripUselessMetadata(questBook);
+
+	return fs.promises.writeFile(questDatabasePath, JSON.stringify(questBook));
+}
--- a/buildtools/tasks/shared/transforms/scannable.ts
+++ b/buildtools/tasks/shared/transforms/scannable.ts
@ -0,0 +1,28 @@
+import { overridesFolder, sharedDestDirectory } from "../../../globals";
+
+import upath from "upath";
+import fs from "fs";
+
+const scannableConfigFile = "config/scannable.cfg";
+
+/**
+ * Transform the scannable config.
+ * Trim excess newlines and remove comments.
+ */
+export default async function transformScannable(): Promise<void> {
+	const configPath = upath.join(sharedDestDirectory, overridesFolder, scannableConfigFile);
+
+	const contents = (await fs.promises.readFile(configPath))
+		.toString()
+		// Match arrays (S:array < ... >)
+		.replace(/([ \t]+)(S:\w+) <([^>]+)>/g, (_, g0, g1, g2) => {
+			const body = g2
+				.replace(/#[^\r\n]+/gm, "") // Comments
+				.replace(/^\s+$/gm, "") // Trailing whitespaces
+				.replace(/[\r\n]{2,}/gm, "\n"); // Extra newlines
+
+			return g0 + g1 + " <" + body + (body ? "" : "\n") + g0 + " >";
+		});
+
+	return fs.promises.writeFile(configPath, contents);
+}
--- a/buildtools/tasks/shared/transforms/version.ts
+++ b/buildtools/tasks/shared/transforms/version.ts
@ -0,0 +1,49 @@
+import fs from "fs";
+import upath from "path";
+import mustache from "mustache";
+import { modpackManifest, overridesFolder, sharedDestDirectory } from "../../../globals";
+
+const randomPatchesConfigFile = "config/randompatches.cfg";
+
+/**
+ * Transform the version field of manifest.json.
+ */
+export default async function transformManifestVersion(): Promise<void> {
+	let versionTitle;
+	if (process.env.GITHUB_TAG) {
+		const flavorTitle = process.env.BUILD_FLAVOR_TITLE;
+		const tag = process.env.GITHUB_TAG.replace(/^v/, "");
+
+		versionTitle = [modpackManifest.name, tag, flavorTitle].filter(Boolean).join(" - ");
+
+		modpackManifest.version = tag;
+	}
+	// If SHA is provided and the build isn't tagged, append both the branch and short SHA.
+	else if (process.env.GITHUB_SHA && process.env.GITHUB_REF && process.env.GITHUB_REF.startsWith("refs/heads/")) {
+		const shortCommit = process.env.GITHUB_SHA.substr(0, 7);
+		const branch = /refs\/heads\/(.+)/.exec(process.env.GITHUB_REF)?.[1];
+		if (!branch) {
+			throw new Error(`Invalid git ref: ${process.env.GITHUB_REF}`);
+		}
+
+		versionTitle = `${modpackManifest.name} (${branch} branch, ${shortCommit})`;
+
+		modpackManifest.version = `${branch}-${shortCommit}`;
+	} else {
+		versionTitle = `${modpackManifest.name} (manual build)`;
+
+		modpackManifest.version = "manual-build";
+	}
+
+	modpackManifest.name = versionTitle;
+
+	const randomPatchesConfigFilePath = upath.join(sharedDestDirectory, overridesFolder, randomPatchesConfigFile);
+	const randomPatchesFile = (await fs.promises.readFile(randomPatchesConfigFilePath)).toString();
+
+	return fs.promises.writeFile(
+		randomPatchesConfigFilePath,
+		mustache.render(randomPatchesFile, {
+			title: versionTitle,
+		}),
+	);
+}
--- a/buildtools/tsconfig.json
+++ b/buildtools/tsconfig.json
@ -0,0 +1,10 @@
+{
+	"compilerOptions": {
+		"sourceMap": true,
+		"module": "commonjs",
+		"target": "es5",
+		"esModuleInterop": true,
+		"resolveJsonModule": true,
+		"downlevelIteration": true,
+	}
+}
--- a/buildtools/types/bqQuestBook.ts
+++ b/buildtools/types/bqQuestBook.ts
@ -0,0 +1,118 @@
+export interface QuestBook {
+	"format:8": string;
+	"questDatabase:9": { [key: string]: Quest };
+	"questLines:9": { [key: string]: QuestLines };
+	"questSettings:10": QuestSettings;
+}
+
+export interface Quest {
+	"preRequisites:11": number[];
+	"properties:10": QuestProperties;
+	"questID:3": number;
+	"rewards:9": Rewards9;
+}
+
+export interface QuestProperties {
+	"betterquesting:10": QuestPropertiesBQ;
+}
+
+export interface QuestPropertiesBQ {
+	"autoclaim:1": number;
+	"desc:8": string;
+	"globalshare:1": number;
+	"icon:10": Icon;
+	"ismain:1": number;
+	"issilent:1": number;
+	"lockedprogress:1": number;
+	"name:8": string;
+	"partysinglereward:1"?: number;
+	"questlogic:8": QuestLogic;
+	"repeat_relative:1": number;
+	"repeattime:3": number;
+	"simultaneous:1": number;
+	"snd_complete:8": string;
+	"snd_update:8": string;
+	"tasklogic:8": QuestLogic;
+	"visibility:8": QuestVisibility;
+}
+
+export interface Icon {
+	"Count:3": number;
+	"Damage:2": number;
+	"OreDict:8": string;
+	"id:8": string;
+	"tag:10"?: unknown;
+}
+
+export enum QuestLogic {
+	And = "AND",
+	Or = "OR",
+}
+
+export enum QuestVisibility {
+	Always = "ALWAYS",
+	Chain = "CHAIN",
+	Hidden = "HIDDEN",
+	Normal = "NORMAL",
+	Unlocked = "UNLOCKED",
+}
+
+export interface Rewards9 {
+	"0:10"?: Rewards9_010;
+}
+
+export interface Rewards9_010 {
+	"index:3": number;
+	"rewardID:8": RewardID8;
+	"rewards:9"?: { [key: string]: Icon };
+	"choices:9"?: { [key: string]: Icon };
+}
+
+export enum RewardID8 {
+	BqStandardChoice = "bq_standard:choice",
+	BqStandardItem = "bq_standard:item",
+}
+
+export enum TaskID8 {
+	BqStandardCheckbox = "bq_standard:checkbox",
+	BqStandardRetrieval = "bq_standard:retrieval",
+}
+
+export interface QuestLines {
+	"lineID:3": number;
+	"order:3": number;
+	"properties:10": QuestLines9_Properties10;
+	"quests:9": { [key: string]: { [key: string]: number } };
+}
+
+export interface QuestLines9_Properties10 {
+	"betterquesting:10": FluffyBetterquesting10;
+}
+
+export interface FluffyBetterquesting10 {
+	"bg_image:8": string;
+	"bg_size:3": number;
+	"desc:8": string;
+	"icon:10": Icon;
+	"name:8": string;
+	"visibility:8": QuestVisibility;
+}
+
+export interface QuestSettings {
+	"betterquesting:10": QuestSettings10_Betterquesting10;
+}
+
+export interface QuestSettings10_Betterquesting10 {
+	"editmode:1": number;
+	"hardcore:1": number;
+	"home_anchor_x:5": number;
+	"home_anchor_y:5": number;
+	"home_image:8": string;
+	"home_offset_x:3": number;
+	"home_offset_y:3": number;
+	"livesdef:3": number;
+	"livesmax:3": number;
+	"pack_name:8": string;
+	"pack_version:3": number;
+	"party_enable:1": number;
+}
--- a/buildtools/types/curseForge.ts
+++ b/buildtools/types/curseForge.ts
@ -0,0 +1,160 @@
+interface Author {
+	name: string;
+	url: string;
+	projectId: number;
+	id: number;
+	projectTitleId?: number;
+	projectTitleTitle: string;
+	userId: number;
+	twitchId?: number;
+}
+
+interface Attachment {
+	id: number;
+	projectId: number;
+	description: string;
+	isDefault: boolean;
+	thumbnailUrl: string;
+	title: string;
+	url: string;
+	status: number;
+}
+
+interface Dependency {
+	id: number;
+	addonId: number;
+	type: number;
+	fileId: number;
+}
+
+interface Module {
+	foldername: string;
+	type: number;
+}
+
+interface SortableGameVersion {
+	gameVersionPadded: string;
+	gameVersion: string;
+	gameVersionReleaseDate: Date;
+	gameVersionName: string;
+}
+
+export interface CurseForgeFileInfo {
+	id: number;
+	displayName: string;
+	fileName: string;
+	fileDate: Date;
+	fileLength: number;
+	releaseType: number;
+	fileStatus: number;
+	downloadUrl: string;
+	isAlternate: boolean;
+	alternateFileId: number;
+	dependencies: Dependency[];
+	isAvailable: boolean;
+	modules: Module[];
+	gameVersion: string[];
+	sortableGameVersion: SortableGameVersion[];
+	hasInstallScript: boolean;
+	isCompatibleWithClient: boolean;
+	categorySectionPackageType: number;
+	restrictProjectFileAccess: number;
+	projectStatus: number;
+	renderCacheId: number;
+	packageFingerprintId: number;
+	gameVersionDateReleased: Date;
+	gameVersionMappingId: number;
+	gameVersionId: number;
+	gameId: number;
+	isServerPack: boolean;
+}
+
+interface Category {
+	categoryId: number;
+	name: string;
+	url: string;
+	avatarUrl: string;
+	parentId: number;
+	rootId: number;
+	projectId: number;
+	avatarId: number;
+	gameId: number;
+}
+
+interface CategorySection {
+	id: number;
+	gameId: number;
+	name: string;
+	packageType: number;
+	path: string;
+	initialInclusionPattern: string;
+	gameCategoryId: number;
+}
+
+interface GameVersionLatestFile {
+	gameVersion: string;
+	projectFileId: number;
+	projectFileName: string;
+	fileType: number;
+}
+
+export interface CurseForgeModInfo {
+	id: number;
+	name: string;
+	authors: Author[];
+	attachments: Attachment[];
+	websiteUrl: string;
+	gameId: number;
+	summary: string;
+	defaultFileId: number;
+	downloadCount: number;
+	latestFiles: CurseForgeFileInfo[];
+	categories: Category[];
+	status: number;
+	primaryCategoryId: number;
+	categorySection: CategorySection;
+	slug: string;
+	gameVersionLatestFiles: GameVersionLatestFile[];
+	isFeatured: boolean;
+	popularityScore: number;
+	gamePopularityRank: number;
+	primaryLanguage: string;
+	gameSlug: string;
+	gameName: string;
+	portalName: string;
+	dateModified: Date;
+	dateCreated: Date;
+	dateReleased: Date;
+	isAvailable: boolean;
+	isExperiemental: boolean;
+}
+
+interface Dependency {
+	addonId: number;
+	type: number;
+}
+
+interface Module {
+	foldername: string;
+	fingerprint: unknown;
+}
+
+export interface CurseForgeFetchedFileInfo {
+	id: number;
+	displayName: string;
+	fileName: string;
+	fileDate: Date;
+	fileLength: number;
+	releaseType: number;
+	fileStatus: number;
+	downloadUrl: string;
+	isAlternate: boolean;
+	alternateFileId: number;
+	dependencies: Dependency[];
+	isAvailable: boolean;
+	modules: Module[];
+	packageFingerprint: number;
+	gameVersion: string[];
+	hasInstallScript: boolean;
+	gameVersionDateReleased: Date;
+}
--- a/buildtools/types/fileDef.ts
+++ b/buildtools/types/fileDef.ts
@ -0,0 +1,6 @@
+import { HashDef } from "./hashDef";
+
+export type FileDef = {
+	url: string;
+	hashes?: HashDef[];
+};
--- a/buildtools/types/forgeProfile.ts
+++ b/buildtools/types/forgeProfile.ts
@ -0,0 +1,27 @@
+interface Artifact {
+	path: string;
+	url: string;
+	sha1: string;
+	size: number;
+}
+
+interface Downloads {
+	artifact: Artifact;
+}
+
+interface Library {
+	name: string;
+	downloads: Downloads;
+}
+
+export interface ForgeProfile {
+	_comment_: string[];
+	id: string;
+	time: Date;
+	releaseTime: Date;
+	type: string;
+	mainClass: string;
+	inheritsFrom: string;
+	minecraftArguments: string;
+	libraries: Library[];
+}
--- a/buildtools/types/hashDef.ts
+++ b/buildtools/types/hashDef.ts
@ -0,0 +1,4 @@
+export type HashDef = {
+	id: string;
+	hashes: unknown | Array<unknown>;
+};
--- a/buildtools/types/mainMenuConfig.ts
+++ b/buildtools/types/mainMenuConfig.ts
@ -0,0 +1,19 @@
+// Bare minimum.
+interface Slideshow {
+	displayDuration: number;
+	fadeDuration: number;
+	images: string[];
+}
+
+interface Background {
+	image: string;
+	slideshow: Slideshow;
+}
+
+interface Other {
+	background: Background;
+}
+
+export interface MainMenuConfig {
+	other: Other;
+}
--- a/buildtools/types/modpackManifest.ts
+++ b/buildtools/types/modpackManifest.ts
@ -0,0 +1,35 @@
+interface ModLoader {
+	id: string;
+	primary: boolean;
+}
+
+interface Minecraft {
+	version: string;
+	modLoaders?: ModLoader[];
+}
+
+export interface ExternalDependency {
+	name: string;
+	url: string;
+	sha: string;
+}
+
+export interface ModpackManifestFile {
+	projectID: number;
+	fileID: number;
+	required: boolean;
+	sides?: ("client" | "server")[];
+}
+
+export interface ModpackManifest {
+	minecraft: Minecraft;
+	manifestType: string;
+	manifestVersion: number;
+	name: string;
+	version: string;
+	author: string;
+	projectID: number;
+	externalDependencies?: ExternalDependency[];
+	files: ModpackManifestFile[];
+	overrides: string;
+}
--- a/buildtools/types/versionManifest.ts
+++ b/buildtools/types/versionManifest.ts
@ -0,0 +1,120 @@
+interface AssetIndex {
+	id: string;
+	sha1: string;
+	size: number;
+	totalSize: number;
+	url: string;
+}
+
+interface Client {
+	sha1: string;
+	size: number;
+	url: string;
+}
+
+interface Server {
+	sha1: string;
+	size: number;
+	url: string;
+}
+
+interface Downloads {
+	client: Client;
+	server: Server;
+}
+
+interface Artifact {
+	path: string;
+	sha1: string;
+	size: number;
+	url: string;
+}
+
+interface NativesLinux {
+	path: string;
+	sha1: string;
+	size: number;
+	url: string;
+}
+
+interface NativesOsx {
+	path: string;
+	sha1: string;
+	size: number;
+	url: string;
+}
+
+interface NativesWindows {
+	path: string;
+	sha1: string;
+	size: number;
+	url: string;
+}
+
+interface Sources {
+	path: string;
+	sha1: string;
+	size: number;
+	url: string;
+}
+
+interface Javadoc {
+	path: string;
+	sha1: string;
+	size: number;
+	url: string;
+}
+
+interface Classifiers {
+	["natives-linux"]: NativesLinux;
+	["natives-osx"]: NativesOsx;
+	["natives-windows"]: NativesWindows;
+	sources: Sources;
+	javadoc: Javadoc;
+}
+
+interface Downloads2 {
+	artifact: Artifact;
+	classifiers: Classifiers;
+}
+
+interface Os {
+	name: string;
+}
+
+interface Rule {
+	action: string;
+	os: Os;
+}
+
+interface Extract {
+	exclude: string[];
+}
+
+interface Natives {
+	linux: string;
+	osx: string;
+	windows: string;
+}
+
+interface Library {
+	downloads: Downloads2;
+	name: string;
+	rules: Rule[];
+	extract: Extract;
+	natives: Natives;
+}
+
+export interface VersionManifest {
+	assetIndex: AssetIndex;
+	assets: string;
+	downloads: Downloads;
+	id: string;
+	libraries: Library[];
+	mainClass: string;
+	minecraftArguments: string;
+	minimumLauncherVersion: number;
+	releaseTime: Date;
+	time: Date;
+	type: string;
+}
--- a/buildtools/types/versionsManifest.ts
+++ b/buildtools/types/versionsManifest.ts
@ -0,0 +1,17 @@
+interface Latest {
+	release: string;
+	snapshot: string;
+}
+
+interface Version {
+	id: string;
+	type: string;
+	url: string;
+	time: Date;
+	releaseTime: Date;
+}
+
+export interface VersionsManifest {
+	latest: Latest;
+	versions: Version[];
+}
--- a/buildtools/util/buildConfig.default.json
+++ b/buildtools/util/buildConfig.default.json
@ -0,0 +1,20 @@
+{
+	"downloaderMaxRetries": 5,
+	"downloaderConcurrency": 50,
+	"downloaderCheckHashes": true,
+	"downloaderCacheDirectory": "../.cache",
+	"launchscriptsMinRAM": "2048M",
+	"launchscriptsMaxRAM": "2048M",
+	"launchscriptsJVMArgs": "",
+	"copyFromSharedServerGlobs": [
+		"overrides/**/*",
+		"!overrides/resources/**/*"
+	],
+	"copyFromSharedClientGlobs": [
+		"overrides/**/*"
+	],
+	"buildDestinationDirectory": "../build",
+	"buildSourceDirectory": "../",
+	"nightlyHookAvatar": "",
+	"nightlyHookName": ""
+}
--- a/buildtools/util/curseForgeAPI.ts
+++ b/buildtools/util/curseForgeAPI.ts
@ -0,0 +1,157 @@
+import bluebird from "bluebird";
+import { CurseForgeFetchedFileInfo, CurseForgeModInfo as CurseForgeProject } from "../types/curseForge";
+import log from "fancy-log";
+import request from "requestretry";
+import { ModpackManifestFile } from "../types/modpackManifest";
+import Bluebird from "bluebird";
+import buildConfig from "../buildConfig";
+import upath from "upath";
+import fs from "fs";
+import { FileDef } from "../types/fileDef";
+import { downloadOrRetrieveFileDef, relative, RetrievedFileDefReason } from "./util";
+
+const curseForgeProjectCache: { [key: number]: CurseForgeProject } = {};
+export async function fetchProject(toFetch: number): Promise<CurseForgeProject> {
+	if (curseForgeProjectCache[toFetch]) {
+		return curseForgeProjectCache[toFetch];
+	}
+
+	const project: CurseForgeProject = await request({
+		uri: `https://addons-ecs.forgesvc.net/api/v2/addon/${toFetch}`,
+		json: true,
+		fullResponse: false,
+		maxAttempts: 5,
+	});
+
+	if (project) {
+		curseForgeProjectCache[toFetch] = project;
+	}
+	return project;
+}
+
+const fetchedFileInfoCache: { [key: string]: CurseForgeFetchedFileInfo } = {};
+export async function fetchFileInfo(projectID: number, fileID: number): Promise<CurseForgeFetchedFileInfo> {
+	const slug = `${projectID}/${fileID}`;
+
+	if (fetchedFileInfoCache[slug]) {
+		return fetchedFileInfoCache[slug];
+	}
+
+	const fileInfo: CurseForgeFetchedFileInfo = await request({
+		uri: `https://addons-ecs.forgesvc.net/api/v2/addon/${projectID}/file/${fileID}`,
+		json: true,
+		fullResponse: false,
+	});
+
+	if (fileInfo) {
+		fetchedFileInfoCache[slug] = fileInfo;
+	}
+
+	return fileInfo;
+}
+
+/**
+ * Fetches multiple CurseForge projects.
+ * Falls back to fetchModInfo in case it's impossible to bulk-fetch some projects.
+ *
+ * @param toFetch Project IDs to fetch.
+ * @returns CurseForge project infos.
+ */
+export async function fetchProjectsBulk(toFetch: number[]): Promise<CurseForgeProject[]> {
+	const modInfos: CurseForgeProject[] = [];
+	const unfetched: number[] = [];
+
+	// Determine projects that have been fetched already.
+	toFetch.forEach((id) => {
+		const cached = curseForgeProjectCache[id];
+		if (cached) {
+			modInfos.push(cached);
+		} else {
+			unfetched.push(id);
+		}
+	});
+
+	if (unfetched.length > 0) {
+		// Augment the array of known projects with new info.
+		const fetched: CurseForgeProject[] = await request.post({
+			uri: "https://addons-ecs.forgesvc.net/api/v2/addon/",
+			json: unfetched,
+			fullResponse: false,
+			maxAttempts: 5,
+		});
+
+		modInfos.push(...fetched);
+
+		// Cache fetched stuff.
+		fetched.forEach((mi) => {
+			curseForgeProjectCache[mi.id] = mi;
+		});
+
+		// In case we haven't received the proper amount of mod infos,
+		// try requesting them individually.
+		if (unfetched.length !== toFetch.length) {
+			const modInfoIDs = new Set(modInfos.map((mi) => mi.id));
+			const toFetchMissing = [...new Set(toFetch.filter((x) => !modInfoIDs.has(x)))];
+
+			log.warn(`Couldn't fetch next project IDs in bulk: ${toFetchMissing.join(", ")}`);
+
+			// Try fetching mods individually, in case they've been deleted.
+			let count = 0;
+			const missingModInfos: CurseForgeProject[] = await bluebird.map(toFetchMissing, async (id) => {
+				log.info(`Fetching project ID ${id} directly... (${++count} / ${toFetchMissing.length})`);
+
+				try {
+					// In case something fails to download; catch, rewrite, rethrow.
+					return await fetchProject(id);
+				} catch (err) {
+					err.message = `Couldn't fetch project ID ${id}. ${err.message || "Unknown error"}`;
+					throw err;
+				}
+			});
+
+			// The code above is expected to throw and terminate the further execution,
+			// so we can just do this.
+			modInfos.push(...missingModInfos);
+		}
+	}
+
+	return modInfos;
+}
+
+export async function fetchMods(toFetch: ModpackManifestFile[], destination: string): Promise<void[]> {
+	if (toFetch.length > 0) {
+		log(`Fetching ${toFetch.length} mods...`);
+
+		const modsPath = upath.join(destination, "mods");
+		await fs.promises.mkdir(modsPath, { recursive: true });
+
+		let fetched = 0;
+		return Bluebird.map(
+			toFetch,
+			async (file) => {
+				const fileInfo = await fetchFileInfo(file.projectID, file.fileID);
+
+				const fileDef: FileDef = {
+					url: fileInfo.downloadUrl,
+					hashes: [{ id: "murmurhash", hashes: fileInfo.packageFingerprint }],
+				};
+
+				const modFile = await downloadOrRetrieveFileDef(fileDef);
+				fetched += 1;
+
+				if (modFile.reason == RetrievedFileDefReason.Downloaded) {
+					log(`Downloaded ${upath.basename(fileInfo.downloadUrl)}... (${fetched} / ${toFetch.length})`);
+				} else if (modFile.reason == RetrievedFileDefReason.CacheHit) {
+					log(`Fetched ${upath.basename(fileInfo.downloadUrl)} from cache... (${fetched} / ${toFetch.length})`);
+				}
+
+				const dest = upath.join(destination, "mods", fileInfo.fileName);
+
+				await fs.promises.symlink(relative(dest, modFile.cachePath), dest);
+			},
+			{ concurrency: buildConfig.downloaderConcurrency },
+		);
+	} else {
+		log("No mods to fetch.");
+	}
+}
--- a/buildtools/util/hashes.ts
+++ b/buildtools/util/hashes.ts
@ -0,0 +1,110 @@
+/**
+ * Bytes to exclude from hashing.
+ *
+ * Why? I dunno.
+ */
+const MURMUR_SKIP_BYTES: { [key: number]: boolean } = {
+	9: true,
+	10: true,
+	13: true,
+	32: true,
+};
+
+import _sha1 from "sha1";
+
+/**
+ * JS Implementation of MurmurHash2
+ *
+ * @author <a href="mailto:gary.court@gmail.com">Gary Court</a>
+ * @see http://github.com/garycourt/murmurhash-js
+ * @author <a href="mailto:aappleby@gmail.com">Austin Appleby</a>
+ * @see http://sites.google.com/site/murmurhash/
+ */
+function murmurhash2_32_gc(arr, seed, len = arr.length) {
+	let l = len,
+		h = seed ^ l,
+		i = 0,
+		k;
+
+	while (l >= 4) {
+		k = (arr[i] & 0xff) | ((arr[++i] & 0xff) << 8) | ((arr[++i] & 0xff) << 16) | ((arr[++i] & 0xff) << 24);
+
+		k = (k & 0xffff) * 0x5bd1e995 + ((((k >>> 16) * 0x5bd1e995) & 0xffff) << 16);
+		k ^= k >>> 24;
+		k = (k & 0xffff) * 0x5bd1e995 + ((((k >>> 16) * 0x5bd1e995) & 0xffff) << 16);
+
+		h = ((h & 0xffff) * 0x5bd1e995 + ((((h >>> 16) * 0x5bd1e995) & 0xffff) << 16)) ^ k;
+
+		l -= 4;
+		++i;
+	}
+
+	switch (l) {
+		case 3:
+			h ^= (arr[i + 2] & 0xff) << 16;
+		case 2:
+			h ^= (arr[i + 1] & 0xff) << 8;
+		case 1:
+			h ^= arr[i] & 0xff;
+			h = (h & 0xffff) * 0x5bd1e995 + ((((h >>> 16) * 0x5bd1e995) & 0xffff) << 16);
+	}
+
+	h ^= h >>> 13;
+	h = (h & 0xffff) * 0x5bd1e995 + ((((h >>> 16) * 0x5bd1e995) & 0xffff) << 16);
+	h ^= h >>> 15;
+
+	return h >>> 0;
+}
+
+/**
+ * Returns the hash sum of bytes of given bytes using MurmurHash v2.
+ *
+ * This is what Twitch is using to fingerprint mod files.
+ */
+export const murmurhash = (inputBuffer: Buffer, seed = 1): string => {
+	const output = new Uint8Array(inputBuffer.length);
+
+	let pos = 0;
+	for (let i = 0; i < inputBuffer.length; i++) {
+		const byte = inputBuffer.readUInt8(i);
+
+		if (!MURMUR_SKIP_BYTES[byte]) {
+			output[pos++] = byte;
+		}
+	}
+
+	return String(murmurhash2_32_gc(output, seed, pos));
+};
+
+import { HashDef } from "../types/hashDef";
+
+/**
+ * Returns the hash sum of bytes of given bytes using SHA1.
+ *
+ * This is what Forge is using to check files.
+ */
+export const sha1 = (inputBuffer: Buffer): string => {
+	return _sha1(inputBuffer);
+};
+
+const hashFuncs: { [key: string]: (buffer: Buffer) => string } = {
+	murmurhash: murmurhash,
+	sha1: sha1,
+};
+
+/**
+ * Compare buffer to the given HashDef.
+ *
+ * @param {Buffer} buffer
+ * @param {HashDef} hashDef
+ *
+ * @throws {Error} Throws a generic error if hashes don't match.
+ */
+export const compareBufferToHashDef = (buffer: Buffer, hashDef: HashDef): boolean => {
+	if (!hashFuncs[hashDef.id]) {
+		throw new Error(`No hash function found for ${hashDef.id}.`);
+	}
+
+	const sum = hashFuncs[hashDef.id](buffer);
+	return (Array.isArray(hashDef.hashes) && hashDef.hashes.includes(sum)) || hashDef.hashes == sum;
+};
--- a/buildtools/util/util.ts
+++ b/buildtools/util/util.ts
@ -0,0 +1,365 @@
+import sha1 from "sha1";
+import { FileDef } from "../types/fileDef";
+import fs from "fs";
+import buildConfig from "../buildConfig";
+import upath from "upath";
+import requestretry from "requestretry";
+import http from "http";
+import { compareBufferToHashDef } from "./hashes";
+import { execSync } from "child_process";
+import { ModpackManifest, ModpackManifestFile, ExternalDependency } from "../types/modpackManifest";
+import { fetchProject, fetchProjectsBulk } from "./curseForgeAPI";
+import Bluebird from "bluebird";
+import { VersionManifest } from "../types/versionManifest";
+import { VersionsManifest } from "../types/versionsManifest";
+import request from "requestretry";
+import log from "fancy-log";
+
+const LIBRARY_REG = /^(.+?):(.+?):(.+?)$/;
+
+/**
+ * Parses the library name into path following the standard package naming convention.
+ *
+ * Turns `package:name:version` into `package/name/version/name-version`.
+ */
+export const libraryToPath = (library: string): string => {
+	const parsedLibrary = LIBRARY_REG.exec(library);
+	if (parsedLibrary) {
+		const pkg = parsedLibrary[1].replace(/\./g, "/");
+		const name = parsedLibrary[2];
+		const version = parsedLibrary[3];
+
+		const newURL = `${pkg}/${name}/${version}/${name}-${version}`;
+
+		return newURL;
+	}
+};
+
+/**
+ * Checks if given environmental variables are set. Throws otherwise.
+ */
+export const checkEnvironmentalVariables = (vars: string[]): void => {
+	vars.forEach((vari) => {
+		if (!process.env[vari] || process.env[vari] == "") {
+			throw new Error(`Environmental variable ${vari} is unset.`);
+		}
+	});
+};
+
+export enum RetrievedFileDefReason {
+	Downloaded,
+	CacheHit,
+}
+
+export interface RetrievedFileDef {
+	reason: RetrievedFileDefReason;
+	cachePath: string;
+}
+
+/**
+ * Downloads/fetches files from the Interwebs.
+ *
+ * Internally hashes the URL of the provided FileDef and looks it up in the cache directory.
+ * In case of no cache hit, downloads the file and stores within the cache directory for later use.
+ */
+export async function downloadOrRetrieveFileDef(fileDef: FileDef): Promise<RetrievedFileDef> {
+	const fileNameSha = sha1(fileDef.url);
+
+	const cachedFilePath = upath.join(buildConfig.downloaderCacheDirectory, fileNameSha);
+	if (fs.existsSync(cachedFilePath)) {
+		const file = await fs.promises.readFile(cachedFilePath);
+
+		if (file.length !== 0) {
+			const rFileDef = {
+				reason: RetrievedFileDefReason.CacheHit,
+				cachePath: cachedFilePath,
+			};
+
+			// Check hashes.
+			if (fileDef.hashes) {
+				if (
+					fileDef.hashes.every((hashDef) => {
+						return compareBufferToHashDef(file, hashDef);
+					})
+				) {
+					return rFileDef;
+				}
+			} else {
+				return rFileDef;
+			}
+		}
+	}
+
+	if (!fs.existsSync(buildConfig.downloaderCacheDirectory)) {
+		await fs.promises.mkdir(buildConfig.downloaderCacheDirectory, { recursive: true });
+	}
+
+	let handle: fs.promises.FileHandle;
+	try {
+		handle = await fs.promises.open(cachedFilePath, "w");
+
+		let hashFailed = false;
+		const retryStrategy = (err: Error, response: http.IncomingMessage, body: unknown) => {
+			// Verify hashes.
+			if (!err && fileDef.hashes && body) {
+				const success = fileDef.hashes.every((hashDef) => {
+					return compareBufferToHashDef(body as Buffer, hashDef);
+				});
+
+				if (!success) {
+					if (hashFailed) {
+						throw new Error(`Couldn't verify checksums of ${upath.basename(fileDef.url)}`);
+					}
+
+					hashFailed = true;
+					return true;
+				}
+			}
+			return requestretry.RetryStrategies.HTTPOrNetworkError(err, response, body);
+		};
+
+		const data: Buffer = Buffer.from(
+			await requestretry({
+				url: fileDef.url,
+				fullResponse: false,
+				encoding: null,
+				retryStrategy: retryStrategy,
+				maxAttempts: 5,
+			}),
+		);
+
+		await handle.write(data);
+		await handle.close();
+
+		return {
+			reason: RetrievedFileDefReason.Downloaded,
+			cachePath: cachedFilePath,
+		};
+	} catch (err) {
+		if (handle && (await handle.stat()).isFile()) {
+			log(`Couldn't download ${upath.basename(fileDef.url)}, cleaning up ${fileNameSha}...`);
+
+			await handle.close();
+			await fs.promises.unlink(cachedFilePath);
+		}
+
+		throw err;
+	}
+}
+
+/**
+ * Returns artifact name body depending on environment variables.
+ * Mostly intended to be called by CI/CD.
+ */
+export function makeArtifactNameBody(baseName: string): string {
+	// If the tag is provided by CI, simply just glue it to the base name.
+	if (process.env.GITHUB_TAG) {
+		return `${baseName}-${process.env.GITHUB_TAG}`;
+	}
+	// If SHA is provided and the build isn't tagged, append both the branch and short SHA.
+	else if (process.env.GITHUB_SHA && process.env.GITHUB_REF && process.env.GITHUB_REF.startsWith("refs/heads/")) {
+		const shortCommit = process.env.GITHUB_SHA.substr(0, 7);
+		const branch = /refs\/heads\/(.+)/.exec(process.env.GITHUB_REF);
+		return `${baseName}-${branch[1]}-${shortCommit}`;
+	} else {
+		return baseName;
+	}
+}
+
+/**
+ * Fetches the last tag known to Git using the current branch.
+ * @param {string | nil} before Tag to get the tag before.
+ * @returns string Git tag.
+ * @throws
+ */
+export function getLastGitTag(before?: string): string {
+	if (before) {
+		before = `"${before}^"`;
+	}
+
+	return execSync(`git describe --abbrev=0 --tags ${before || ""}`)
+		.toString()
+		.trim();
+}
+
+/**
+ * Generates a changelog based on the two provided Git refs.
+ * @param {string} since Lower boundary Git ref.
+ * @param {string} to Upper boundary Git ref.
+ * @param {string[]} dirs Optional scopes.
+ */
+export function getChangeLog(since = "HEAD", to = "HEAD", dirs: string[] = undefined): string {
+	const command = [
+		"git log",
+		"--no-merges",
+		'--date="format:%d %b %Y"',
+		'--pretty="* %s - **%an** (%ad)"',
+		`${since}..${to}`,
+	];
+
+	if (dirs) {
+		command.push("--", dirs.join(" -- "));
+	}
+
+	return execSync(command.join(" ")).toString().trim();
+}
+
+/**
+ * Generates a changelog based on the two provided Git refs.
+ * @param {string} since Lower boundary Git ref.
+ * @param {string} to Upper boundary Git ref.
+ * @param {string[]} dirs Optional scopes.
+ */
+export function getFileAtRevision(path: string, revision = "HEAD"): string {
+	return execSync(`git show ${revision}:"${path}"`).toString().trim();
+}
+
+export interface ManifestFileListComparisonResult {
+	removed: string[];
+	modified: string[];
+	added: string[];
+}
+
+export async function compareAndExpandManifestDependencies(
+	oldFiles: ModpackManifest,
+	newFiles: ModpackManifest,
+): Promise<ManifestFileListComparisonResult> {
+	// Map inputs for efficient joining.
+	const oldFileMap: { [key: number]: ModpackManifestFile } = oldFiles.files.reduce(
+		(map, file) => ((map[file.projectID] = file), map),
+		{},
+	);
+	const newFileMap: { [key: number]: ModpackManifestFile } = newFiles.files.reduce(
+		(map, file) => ((map[file.projectID] = file), map),
+		{},
+	);
+
+	const removed: string[] = [],
+		modified: string[] = [],
+		added: string[] = [];
+
+	// Create a distinct map of project IDs.
+	const projectIDs = Array.from(
+		new Set([...oldFiles.files.map((f) => f.projectID), ...newFiles.files.map((f) => f.projectID)]),
+	);
+
+	// Fetch projects in bulk and discard the result.
+	// Future calls to fetchProject() and fetchProjectsBulk() will hit the cache.
+	await fetchProjectsBulk(projectIDs);
+
+	await Bluebird.map(
+		projectIDs,
+		async (projectID) => {
+			const oldFileInfo = oldFileMap[projectID];
+			const newFileInfo = newFileMap[projectID];
+
+			// Doesn't exist in new, but exists in old. Removed. Left outer join.
+			if (!newFileInfo && oldFileInfo) {
+				removed.push((await fetchProject(oldFileInfo.projectID)).name);
+			}
+			// Doesn't exist in old, but exists in new. Added. Right outer join.
+			else if (newFileMap[projectID] && !oldFileMap[projectID]) {
+				added.push((await fetchProject(newFileInfo.projectID)).name);
+			}
+			// Exists in both. Modified? Inner join.
+			else if (oldFileInfo.fileID != newFileInfo.fileID) {
+				modified.push((await fetchProject(newFileInfo.projectID)).name);
+			}
+		},
+		{ concurrency: buildConfig.downloaderConcurrency },
+	);
+
+	// Compare external dependencies the same way.
+	const oldExternalMap: { [key: string]: ExternalDependency } = (oldFiles.externalDependencies || []).reduce(
+		(map, file) => ((map[file.name] = file), map),
+		{},
+	);
+	const newExternalMap: { [key: string]: ExternalDependency } = (newFiles.externalDependencies || []).reduce(
+		(map, file) => ((map[file.name] = file), map),
+		{},
+	);
+
+	const externalNames = Array.from(
+		new Set([
+			...(oldFiles.externalDependencies || []).map((dep) => dep.name),
+			...(newFiles.externalDependencies || []).map((dep) => dep.name),
+		]),
+	);
+
+	externalNames.forEach(async (name) => {
+		const oldDep = oldExternalMap[name];
+		const newDep = newExternalMap[name];
+
+		// Doesn't exist in new, but exists in old. Removed. Left outer join.
+		if (!newDep && oldDep) {
+			removed.push(oldDep.name);
+		}
+		// Doesn't exist in old, but exists in new. Added. Right outer join.
+		else if (newDep && !oldDep) {
+			added.push(newDep.name);
+		}
+		// Exists in both. Modified? Inner join.
+		else if (oldDep.url != newDep.url || oldDep.name != newDep.name) {
+			modified.push(newDep.name);
+		}
+	});
+
+	return {
+		removed: removed,
+		modified: modified,
+		added: added,
+	};
+}
+
+const LAUNCHERMETA_VERSION_MANIFEST = "https://launchermeta.mojang.com/mc/game/version_manifest.json";
+
+/**
+ * Fetches the version manifest associated with the provided Minecraft version.
+ *
+ * @param minecraftVersion Minecraft version. (e. g., "1.12.2")
+ */
+export async function getVersionManifest(minecraftVersion: string): Promise<VersionManifest> {
+	/**
+	 * Fetch the manifest file of all Minecraft versions.
+	 */
+	const manifest: VersionsManifest = await request({
+		uri: LAUNCHERMETA_VERSION_MANIFEST,
+		json: true,
+		fullResponse: false,
+		maxAttempts: 5,
+	});
+
+	const version = manifest.versions.find((x) => x.id == minecraftVersion);
+	if (!version) {
+		return null;
+	}
+
+	/**
+	 * Fetch the version manifest file.
+	 */
+	const versionManifest: VersionManifest = await request({
+		uri: version.url,
+		json: true,
+		fullResponse: false,
+		maxAttempts: 5,
+	});
+
+	return versionManifest;
+}
+
+/**
+ * Returns a relative posix path from the first argument to the second.
+ */
+export function relative(from: string, to: string): string {
+	const broken = [from.split(upath.sep), to.split(upath.sep)];
+
+	while (broken.every((x) => x.length > 0) && broken[0][0] == broken[1][0]) {
+		broken.forEach((x) => x.shift());
+	}
+
+	if (broken.some((x) => x.length === 0)) {
+		throw new Error("Paths are not relative.");
+	}
+
+	return upath.join(...Array(broken[0].length - 1).fill(".."), ...broken[1]);
+}
--- a/launchscripts/launch.bat
+++ b/launchscripts/launch.bat
@ -0,0 +1,36 @@
+:: Server Launch Script
+::
+:: Thrown together by Neeve in under five minutes, Public Domain
+:: https://github.com/Neeve01 
+::
+:: Added java version check by t0suj4, Public Domain
+:: https://github.com/t0su4
+
+:: DO NOT EDIT UNLESS YOU KNOW WHAT YOU'RE DOING
+@ECHO OFF
+SET FORGEJAR={{forgeJar}}
+SET JAVA_PARAMETERS={{jvmArgs}}
+
+:: these you can edit
+SET MIN_RAM={{minRAM}}
+SET MAX_RAM={{maxRAM}}
+
+:: DO NOT EDIT ANYTHING PAST THIS LINE
+SET LAUNCHPARAMS=-server -Xms%MIN_RAM% -Xmx%MAX_RAM% %JAVA_PARAMETERS% -Dlog4j.configurationFile=log4j2_112-116.xml -jar %FORGEJAR% nogui
+echo Checking java version...
+echo.
+java -version
+echo.
+echo The expected java version is 1.8. Not higher, not lower.
+echo.
+
+echo Launching the server...
+echo.
+echo ^> java %LAUNCHPARAMS%
+echo.
+java %LAUNCHPARAMS%
+
+echo.
+echo ^> The server has stopped. If it's a crash, please read the output above.
+echo.
+pause
--- a/launchscripts/launch.sh
+++ b/launchscripts/launch.sh
@ -0,0 +1,38 @@
+#!/bin/sh
+
+# Server Launch Script
+#
+# Thrown together by Neeve in under five minutes, Public Domain
+# https://github.com/Neeve01 
+#
+# Fixed and added java version check by t0suj4, Public Domain
+# https://github.com/t0suj4
+
+# DO NOT EDIT UNLESS YOU KNOW WHAT YOU'RE DOING
+FORGEJAR='{{forgeJar}}'
+JAVA_PARAMETERS='{{jvmArgs}}'
+
+# these you can edit
+MIN_RAM='{{minRAM}}'
+MAX_RAM='{{maxRAM}}'
+
+# DO NOT EDIT ANYTHING PAST THIS LINE
+LAUNCHPARAMS="-server -Xms$MIN_RAM -Xmx$MAX_RAM $JAVA_PARAMETERS -Dlog4j.configurationFile=log4j2_112-116.xml -jar $FORGEJAR nogui"
+
+echo "Checking java version..."
+echo
+java -version
+echo
+echo "The expected java version is 1.8. Not higher, not lower."
+echo
+
+echo "Launching the server..."
+echo
+echo "> java $LAUNCHPARAMS"
+
+java $LAUNCHPARAMS
+
+echo
+echo "- The server has stopped. If it's a crash, please read the output above."
+echo
+read -p "- Press Return to exit..." _
--- a/serverfiles/log4j2_112-116.xml
+++ b/serverfiles/log4j2_112-116.xml
@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Configuration status="WARN">
+    <Appenders>
+        <Console name="SysOut" target="SYSTEM_OUT">
+            <PatternLayout pattern="[%d{HH:mm:ss}] [%t/%level]: %msg{nolookups}%n" />
+        </Console>
+        <Queue name="ServerGuiConsole">
+            <PatternLayout pattern="[%d{HH:mm:ss} %level]: %msg{nolookups}%n" />
+        </Queue>
+        <RollingRandomAccessFile name="File" fileName="logs/latest.log" filePattern="logs/%d{yyyy-MM-dd}-%i.log.gz">
+            <PatternLayout pattern="[%d{HH:mm:ss}] [%t/%level]: %msg{nolookups}%n" />
+            <Policies>
+                <TimeBasedTriggeringPolicy />
+                <OnStartupTriggeringPolicy />
+            </Policies>
+        </RollingRandomAccessFile>
+    </Appenders>
+    <Loggers>
+        <Root level="info">
+            <filters>
+                <MarkerFilter marker="NETWORK_PACKETS" onMatch="DENY" onMismatch="NEUTRAL" />
+            </filters>
+            <AppenderRef ref="SysOut"/>
+            <AppenderRef ref="File"/>
+            <AppenderRef ref="ServerGuiConsole"/>
+        </Root>
+    </Loggers>
+</Configuration>
--- a/serverfiles/server.properties
+++ b/serverfiles/server.properties
@ -0,0 +1,32 @@
+#Minecraft server properties
+op-permission-level=4
+level-name=world
+allow-flight=true
+prevent-proxy-connections=false
+server-port=25565
+max-world-size=29999984
+level-seed=
+force-gamemode=false
+server-ip=
+network-compression-threshold=256
+max-build-height=256
+spawn-npcs=true
+white-list=false
+spawn-animals=true
+hardcore=false
+snooper-enabled=true
+resource-pack-sha1=
+online-mode=true
+resource-pack=
+pvp=true
+difficulty=1
+enable-command-block=false
+gamemode=0
+player-idle-timeout=0
+max-players=20
+spawn-monsters=true
+view-distance=10
+generate-structures=true
+motd=Nomifactory Server
+level-type=lostcities
+generator-settings=