feat: init

templates/default/nix/devshells/rust.nix

@@ -0,0 +1,34 @@
+{
+  flake,
+  system,
+  pkgs,
+  ...
+}:
+let
+  craneLib = flake.lib.mkCraneLib { inherit pkgs system; };
+in
+craneLib.devShell {
+  inputsFrom =
+    [
+      flake.devShells.${system}.default
+    ]
+    # Inherit inputs from rust-workspace on the platforms it's available.
+    ++ (pkgs.lib.lists.optionals
+      (pkgs.lib.meta.availableOn pkgs.stdenv.hostPlatform flake.packages.${system}.rust-workspace)
+      (
+        [
+          flake.packages.${system}.rust-workspace
+
+        ]
+        ++ (builtins.attrValues flake.packages.${system}.rust-workspace.passthru.tests)
+      )
+    );
+
+  # Additional dev-shell environment variables can be set directly
+  # MY_CUSTOM_DEVELOPMENT_VAR = "something else";
+
+  # Extra inputs can be added here; cargo and rustc are provided by default.
+  packages = [
+    pkgs.natscli
+  ];
+}