From 491e13f522ce955d6b4845f530482b80a64847da Mon Sep 17 00:00:00 2001
From: Huang-Huang Bao <i@eh5.me>
Date: Sat, 25 Jan 2025 21:24:35 +0800
Subject: [PATCH] chore(nix): read MSRV from Cargo.toml

---
 flake.nix | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/flake.nix b/flake.nix
index 5491f80..4dc007d 100644
--- a/flake.nix
+++ b/flake.nix
@@ -37,6 +37,14 @@
         einat = defaultPackage' prev;
       };
 
+      cargoToml = builtins.fromTOML (builtins.readFile ./Cargo.toml);
+
+      verifyMsrvArgs = {
+        rustVersion = nixpkgs.lib.versions.pad 3 cargoToml."package"."rust-version";
+        enableStatic = true;
+        enableIpv6 = true;
+      };
+
       module = {
         imports = [
           (import ./nix/module.nix)
@@ -60,12 +68,6 @@
           }
         );
         crossPackage = { ... }@args: crossPackage' ({ inherit pkgs; } // args);
-
-        verifyMsrvArgs = {
-          rustVersion = "1.80.0";
-          enableStatic = true;
-          enableIpv6 = true;
-        };
       in
       {
         legacyPackages = (import nixpkgs) {