add nix-dev files (#113)

HigherOrderCO · Apr 3, 2024 · 5f782ea · 5f782ea
1 parent f9aab33
commit 5f782ea
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diff --git a/.gitignore b/.gitignore
@@ -12,3 +12,7 @@ tmp/
 
 flamegraph.svg
 .vscode/
+
+# nix
+.envrc
+/.direnv/
diff --git a/flake.lock b/flake.lock
diff --git a/flake.nix b/flake.nix
@@ -0,0 +1,19 @@
+{
+  description = "HVM-Core";
+  inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
+  inputs.flake-utils.url = "github:numtide/flake-utils";
+  inputs.fenix.url = "github:nix-community/fenix/monthly";
+
+  outputs = { self, nixpkgs, flake-utils, fenix }:
+    flake-utils.lib.eachDefaultSystem (system:
+      let
+        pkgs = nixpkgs.legacyPackages.${system};
+        rust-toolchain = fenix.packages.${system}.fromToolchainFile {
+          file = ./rust-toolchain.toml;
+          # to recompute the hash, replace with `pkgs.lib.fakeSha256`
+          sha256 = "sha256-hBzihtLpwbCyL5AgwKj0sUbJXRir18utWgqUZHGsbFs=";
+        };
+      in {
+        devShells.default = pkgs.mkShell { packages = [ rust-toolchain ]; };
+      });
+}