From 669ab480e0ec7153f7b3b0950396c3e432a5f328 Mon Sep 17 00:00:00 2001
From: Raphael <rparodi@student.42.fr>
Date: Mon, 5 May 2025 16:27:09 +0200
Subject: [PATCH] build(nix): updating the flake for nix build propose

---
 flake.nix | 71 +++++++++++++++++++++++++++++++++----------------------
 1 file changed, 43 insertions(+), 28 deletions(-)

diff --git a/flake.nix b/flake.nix
index 044c71e..6617683 100644
--- a/flake.nix
+++ b/flake.nix
@@ -1,31 +1,46 @@
 {
-  description = "Flake utils demo";
+	description = "Shell for 42 cpp";
 
-  inputs = {
-	nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
-    flake-utils.url = "github:numtide/flake-utils";
-    c_formatter_42.url = "github:maix0/c_formatter_42-flake";
-  };
-  outputs = {
-    self,
-    nixpkgs,
-    flake-utils,
-    c_formatter_42,
-  }:
-    flake-utils.lib.eachDefaultSystem (
-      system: let
-        pkgs = nixpkgs.legacyPackages.${system};
-      in {
-        devShell = pkgs.mkShell {
-          packages = [
-			pkgs.xorg.libX11
-            pkgs.xorg.libXext
-            pkgs.clang
-            pkgs.clang-tools
-            pkgs.norminette
-            c_formatter_42.packages.${system}.default
-            ];
-        };
-      }
-    );
+	inputs = {
+		nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+		flake-utils.url = "github:numtide/flake-utils";
+		c_formatter_42.url = "github:maix0/c_formatter_42-flake";
+	};
+	outputs = {
+			self,
+			nixpkgs,
+			flake-utils,
+			c_formatter_42
+		}:
+		flake-utils.lib.eachDefaultSystem (system:
+			let
+				pkgs = import nixpkgs {
+					inherit system;
+				};
+			in {
+				devShells.default = pkgs.mkShell {
+					name = "cpp-42";
+					buildInputs = with pkgs; [
+						c_formatter_42.packages.${system}.default
+						clang
+						clang-tools
+						norminette
+						xorg.libX11
+						xorg.libXext
+					] ++ (
+						if pkgs.stdenv.isLinux then [
+							valgrind
+						] else []
+					);
+					
+					shellHook = ''
+						export NIX_SHOW_STATS=0
+						export NIX_HIDE_STATS=1
+						export C=clang
+						export CFLAGS="-std=c89 -Wall -Werror -Wextra"
+						printf "\n\033[0;90mC w/MLX env loaded for: \033[38;5;220m${system}\033[0m\n"
+					'';
+					};
+				}
+		);
 }