feat: provide tarball (#13260)

* feat: provide tarball

* build: pack on build-assets

* chore: use ignore-walk

* chore: debug

* build: dependencies

scripts/tarball.mjs

@@ -0,0 +1,32 @@
+import { createWriteStream } from 'node:fs';
+import { mkdir } from 'node:fs/promises';
+import { resolve } from 'node:path';
+import { fileURLToPath } from 'node:url';
+import glob from 'fast-glob';
+import walk from 'ignore-walk';
+import Pack from 'tar/lib/pack.js';
+import meta from '../package.json' assert { type: "json" };
+
+const cwd = fileURLToPath(new URL('..', import.meta.url));
+const ignore = [
+	'**/.git/**/*',
+	'**/*ignore',
+	'**/.gitmodules',
+	// Exclude files you don't want to include in the tarball here
+];
+
+export default async function build() {
+	const mkdirPromise = mkdir(resolve(cwd, 'built', 'tarball'), { recursive: true });
+	const pack = new Pack({ cwd, gzip: true });
+	const patterns = await walk({ path: cwd, ignoreFiles: ['.gitignore'] });
+
+	for await (const entry of glob.stream(patterns, { cwd, ignore, dot: true })) {
+		pack.add(entry);
+	}
+
+	pack.end();
+
+	await mkdirPromise;
+
+	pack.pipe(createWriteStream(resolve(cwd, 'built', 'tarball', `misskey-${meta.version}.tar.gz`)));
+}