Create rust template

rust/.envrc

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+use flake

rust/flake.nix

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+{
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+    utils.url = "github:numtide/flake-utils";
+    git-hooks.url = "github:cachix/git-hooks.nix";
+    rust-overlay.url = "github:oxalica/rust-overlay";
+  };
+
+  outputs = { self, nixpkgs, utils, git-hooks, rust-overlay }:
+  utils.lib.eachDefaultSystem (system:
+  let
+    overlays = [ (import rust-overlay) ];
+    pkgs = import nixpkgs { inherit system overlays; };
+
+    rustToolchain = pkgs.rust-bin.stable.latest.default.override {
+      extensions = [ "rust-src" "rust-analyzer" "clippy" "rustfmt" ];
+    };
+
+    pre-commit-check = git-hooks.lib.${system}.run {
+      src = ./.;
+      hooks = {
+        rustfmt = {
+          enable = true;
+          packageOverrides = {
+            cargo = rustToolchain;
+            rustfmt = rustToolchain;
+          };
+        };
+        clippy = {
+          enable = true;
+          packageOverrides = {
+            cargo = rustToolchain;
+            clippy = rustToolchain;
+          };
+        };
+      };
+    };
+  in
+  {
+    checks = {
+      inherit pre-commit-check;
+    };
+
+    devShells.default = pkgs.mkShell {
+      inherit (pre-commit-check) shellHook;
+      nativeBuildInputs = with pkgs; [ 
+        pre-commit
+        gitleaks
+
+        rustToolchain
+        cargo-watch 
+        crates-lsp
+        pkg-config
+      ];
+
+      buildInputs = with pkgs; [ 
+        openssl
+      ];
+    };
+  });
+}