From a2db97426d0c68e8e5cbc80a1ea80c9b573213e6 Mon Sep 17 00:00:00 2001
From: Grisha Shipunov
Date: Mon, 1 Dec 2025 11:43:26 +0100
Subject: switch to hydra-provided nixpkgs (github rate limit) and update to
 25.11

---
 flake.lock | 30 ++++++++++++------------------
 flake.nix  |  4 ++--
 2 files changed, 14 insertions(+), 20 deletions(-)

diff --git a/flake.lock b/flake.lock
index 5e5d99c..5f74a0c 100644
--- a/flake.lock
+++ b/flake.lock
@@ -317,33 +317,27 @@
     "nixpkgs-unstable": {
       "locked": {
         "lastModified": 1764517877,
-        "narHash": "sha256-pp3uT4hHijIC8JUK5MEqeAWmParJrgBVzHLNfJDZxg4=",
-        "owner": "nixos",
-        "repo": "nixpkgs",
+        "narHash": "sha256-xLPjeWHfxEJtZmosOmLaT25Vb2rbktbbE7ShRtAm8h0=",
         "rev": "2d293cbfa5a793b4c50d17c05ef9e385b90edf6c",
-        "type": "github"
+        "type": "tarball",
+        "url": "https://releases.nixos.org/nixos/unstable/nixos-26.05pre904649.2d293cbfa5a7/nixexprs.tar.xz"
       },
       "original": {
-        "owner": "nixos",
-        "ref": "nixos-unstable",
-        "repo": "nixpkgs",
-        "type": "github"
+        "type": "tarball",
+        "url": "https://channels.nixos.org/nixos-unstable/nixexprs.tar.xz"
       }
     },
     "nixpkgs_2": {
       "locked": {
-        "lastModified": 1764316264,
-        "narHash": "sha256-82L+EJU+40+FIdeG4gmUlOF1jeSwlf2AwMarrpdHF6o=",
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "9a7b80b6f82a71ea04270d7ba11b48855681c4b0",
-        "type": "github"
+        "lastModified": 1764522689,
+        "narHash": "sha256-GzkEBSHGkj8EyOxnxQvl9sx0x2S7JzH0hwCziF176T8=",
+        "rev": "8bb5646e0bed5dbd3ab08c7a7cc15b75ab4e1d0f",
+        "type": "tarball",
+        "url": "https://releases.nixos.org/nixos/25.11/nixos-25.11.650.8bb5646e0bed/nixexprs.tar.xz"
       },
       "original": {
-        "owner": "NixOS",
-        "ref": "nixos-25.05",
-        "repo": "nixpkgs",
-        "type": "github"
+        "type": "tarball",
+        "url": "https://channels.nixos.org/nixos-25.11/nixexprs.tar.xz"
       }
     },
     "pre-commit-hooks-nix": {
diff --git a/flake.nix b/flake.nix
index 8ae50ce..8249755 100644
--- a/flake.nix
+++ b/flake.nix
@@ -1,8 +1,8 @@
 {
   inputs = {
-    nixpkgs-unstable.url = "github:nixos/nixpkgs?ref=nixos-unstable";
+    nixpkgs-unstable.url =  "https://channels.nixos.org/nixos-unstable/nixexprs.tar.xz";
     # nixpkgs-unstable.url = "github:gshipunov/nixpkgs?ref=nixos-unstable";
-    nixpkgs.url = "github:NixOS/nixpkgs?ref=nixos-25.05";
+    nixpkgs.url = "https://channels.nixos.org/nixos-25.11/nixexprs.tar.xz";
 
     flake-utils.url = "github:numtide/flake-utils";
 
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