Drop support for nixpkgs-25.05 (#939)

Author: ipetkov

.github/workflows/test.yml

@@ -31,8 +31,8 @@ jobs:
         include:
             # Latest and greatest release of Nix
           - install_url: https://nixos.org/nix/install
-            # The 25.05 branch ships with Nix 2.28.3
-          - install_url: https://releases.nixos.org/nix/nix-2.28.3/install
+            # The 25.11 branch ships with Nix 2.31.2
+          - install_url: https://releases.nixos.org/nix/nix-2.31.2/install
             nixpkgs-override: "--override-input nixpkgs $(./ci/ref-from-lock.sh ./test#nixpkgs-latest-release)"
     runs-on: ubuntu-latest
     steps:

CHANGELOG.md

@@ -6,6 +6,10 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 ## Unreleased
 
+### Changed
+* **Breaking**: dropped compatibility for Nix versions below 2.31.2
+* **Breaking**: dropped compatibility for nixpkgs-25.05
+
 ## [0.21.3] - 2025-12-04
 
 ### Added

lib/default.nix

@@ -12,7 +12,7 @@
 }:
 
 let
-  minSupported = "25.05";
+  minSupported = "25.11";
   current = lib.concatStringsSep "." (lib.lists.sublist 0 2 (lib.splitVersion lib.version));
   isUnsupported = lib.versionOlder current minSupported;
   msg = "crane requires at least nixpkgs-${minSupported}, supplied nixpkgs-${current}";

test/flake.lock

@@ -6,7 +6,7 @@
 
   inputs = {
     nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
-    nixpkgs-latest-release.url = "github:NixOS/nixpkgs/nixos-25.05";
+    nixpkgs-latest-release.url = "github:NixOS/nixpkgs/nixos-25.11";
 
     advisory-db = {
       url = "github:rustsec/advisory-db";