update 2026-10-07 18:47:42

luci-app-oxidns/scripts/write-ar-archive.mjs

@@ -0,0 +1,44 @@
+#!/usr/bin/env node
+
+import fs from 'node:fs';
+import path from 'node:path';
+
+function usage() {
+	console.error('usage: write-ar-archive.mjs <out.ar> <member-name=path>...');
+	process.exit(1);
+}
+
+const [, , outPath, ...memberSpecs] = process.argv;
+if (!outPath || memberSpecs.length === 0)
+	usage();
+
+const chunks = [ Buffer.from('!<arch>\n', 'ascii') ];
+
+for (const spec of memberSpecs) {
+	const sep = spec.indexOf('=');
+	const memberName = sep >= 0 ? spec.slice(0, sep) : path.basename(spec);
+	const sourcePath = sep >= 0 ? spec.slice(sep + 1) : spec;
+
+	if (!memberName || memberName.length > 16 || /[\/\s]/.test(memberName)) {
+		console.error(`unsupported ar member name: ${memberName}`);
+		process.exit(1);
+	}
+
+	const data = fs.readFileSync(sourcePath);
+	const header = [
+		memberName.padEnd(16, ' '),
+		'0'.padEnd(12, ' '),
+		'0'.padEnd(6, ' '),
+		'0'.padEnd(6, ' '),
+		'100644'.padEnd(8, ' '),
+		String(data.length).padEnd(10, ' '),
+		'`\n'
+	].join('');
+
+	chunks.push(Buffer.from(header, 'ascii'), data);
+
+	if (data.length % 2 === 1)
+		chunks.push(Buffer.from('\n', 'ascii'));
+}
+
+fs.writeFileSync(outPath, Buffer.concat(chunks));