From 99fcdf2b9f353879567b1c5c7844c9a6024f9725 Mon Sep 17 00:00:00 2001
From: Dmitry Kalinkin <dmitry.kalinkin@gmail.com>
Date: Wed, 11 Feb 2026 17:19:03 -0500
Subject: [PATCH] ncurses: add invisible-mirror mirror

---
 pkgs/development/libraries/ncurses/default.nix | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/pkgs/development/libraries/ncurses/default.nix b/pkgs/development/libraries/ncurses/default.nix
index bee518b5a758..b959409fde74 100644
--- a/pkgs/development/libraries/ncurses/default.nix
+++ b/pkgs/development/libraries/ncurses/default.nix
@@ -22,7 +22,11 @@ stdenv.mkDerivation (finalAttrs: {
   pname = "ncurses" + lib.optionalString (abiVersion == "5") "-abi5-compat";
 
   src = fetchurl {
-    url = "https://invisible-island.net/archives/ncurses/ncurses-${finalAttrs.version}.tar.gz";
+    urls = [
+      "https://invisible-island.net/archives/ncurses/ncurses-${finalAttrs.version}.tar.gz"
+      # invisible-island.net may be firewall blocked on some networks
+      "https://invisible-mirror.net/archives/ncurses/ncurses-${finalAttrs.version}.tar.gz"
+    ];
     hash = "sha256-NVtMu+2ICwOBoExGYXt2VuNiWF1S6c+Epn4gCbdJ/xE=";
   };