From c5adb0c1080a2f826e9c641689aaa38a25aed6e9 Mon Sep 17 00:00:00 2001
From: aedes <plognity@gmail.com>
Date: Wed, 22 Apr 2026 02:36:24 +0300
Subject: [PATCH] fix: hash overly long query strings/paths to avoid
 ENAMETOOLONG

---
 scripts/mirror.js | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/scripts/mirror.js b/scripts/mirror.js
index 1778c60..0e1e696 100644
--- a/scripts/mirror.js
+++ b/scripts/mirror.js
@@ -8,6 +8,7 @@ const { chromium } = require('playwright');
 const fs = require('fs');
 const path = require('path');
 const { URL } = require('url');
+const crypto = require('crypto');
 
 const CHAT_OVERLAY = `
 <style>
@@ -45,9 +46,20 @@ function urlToSafePath(u) {
     const parsed = new URL(u);
     let p = parsed.pathname;
     if (parsed.search) {
-        const safe = parsed.search.slice(1).replace(/[^a-zA-Z0-9._-]/g, '_');
+        let safe = parsed.search.slice(1).replace(/[^a-zA-Z0-9._-]/g, '_');
+        // Hash overly long query strings to avoid ENAMETOOLONG
+        if (safe.length > 80) {
+            safe = crypto.createHash('md5').update(parsed.search).digest('hex').slice(0, 12);
+        }
         p += '_q_' + safe;
     }
+    // also hash if path itself is way too long
+    const basename = path.basename(p);
+    if (basename.length > 200) {
+        const ext = path.extname(p);
+        const dir = path.dirname(p);
+        p = dir + '/' + crypto.createHash('md5').update(basename).digest('hex').slice(0, 16) + ext;
+    }
     return p.replace(/^\/+/, '');
 }