use tree for day1, why not 🐒

1 files changed, 58 insertions, 0 deletions

diff --git a/flake.nix b/flake.nix
new file mode 100644
index 0000000..eb14a44
--- /dev/null
+++ b/flake.nix
@@ -0,0 +1,58 @@
+{
+  inputs = {
+    nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
+    flake-parts.url = "github:hercules-ci/flake-parts";
+    systems.url = "github:nix-systems/default";
+    treefmt-nix.url = "github:numtide/treefmt-nix";
+    fenix = {
+      url = "github:nix-community/fenix";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+  };
+
+  outputs = inputs:
+    inputs.flake-parts.lib.mkFlake { inherit inputs; } {
+      systems = import inputs.systems;
+      imports = [
+        inputs.treefmt-nix.flakeModule
+      ];
+      perSystem = { config, self', pkgs, lib, system, ... }:
+        let
+          nonRustDeps = [
+            pkgs.libiconv
+          ];
+        in
+        {
+          _module.args.pkgs = import inputs.nixpkgs {
+              inherit system; overlays = [inputs.fenix.overlays.default];
+          };
+          # Rust dev environment
+          devShells.default = pkgs.mkShell {
+            inputsFrom = [config.treefmt.build.devShell];
+            buildInputs = nonRustDeps;
+            nativeBuildInputs = with pkgs; [
+              (fenix.complete.withComponents [
+                "cargo"
+                "clippy"
+                "rust-src"
+                "rustc"
+                "rustfmt"
+              ])
+              cargo-flamegraph
+              rust-analyzer-nightly
+            ];
+          };
+
+          # Add your auto-formatters here.
+          # cf. https://numtide.github.io/treefmt/
+          treefmt.config = {
+            projectRootFile = "flake.nix";
+            programs = {
+              nixpkgs-fmt.enable = true;
+              rustfmt.enable = true;
+            };
+          };
+        };
+    };
+
+}