From f8d60b102bd6eeae5f632b768ff5cfbd7d744723 Mon Sep 17 00:00:00 2001
From: reo101 <pavel.atanasov2001@gmail.com>
Date: Tue, 27 May 2025 08:44:44 +0000
Subject: feat(flake)!: use `fenix`-provided Rust toolchain

- Partly from <https://github.com/blocksense-network/zkVMs-benchmarks/pull/32>
---
 flake.nix | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

diff --git a/flake.nix b/flake.nix
index de8ead5..ccbe0c5 100644
--- a/flake.nix
+++ b/flake.nix
@@ -102,8 +102,24 @@
 
           devShells.default = pkgs.mkShell {
             buildInputs = with pkgs; [
-              rustup
+              (fenix.stable.withComponents [
+                "cargo"
+                "clippy"
+                "rust-src"
+                "rustc"
+                "rustfmt"
+                "rust-analyzer"
+              ])
+
+              # Possibly required system libraries by Rust crypto/networking crates
+              pkg-config
+              openssl
             ];
+
+            shellHook = ''
+              echo "zkVMs benchmarks development environment"
+              echo "Available packages: ${builtins.concatStringsSep ", " (builtins.attrNames hostPackages)}"
+            '';
           };
 
           formatter = pkgs.nixfmt-rfc-style;
-- 
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