From 87bd55a8252e1ede19137879d9cb5d7721c80242 Mon Sep 17 00:00:00 2001
From: ko1N <ko1N1337@gmail.com>
Date: Tue, 7 Apr 2026 21:21:44 +0200
Subject: [PATCH] Add nix dev shell

---
 flake.lock | 96 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 flake.nix  | 47 ++++++++++++++++++++++++++
 2 files changed, 143 insertions(+)
 create mode 100644 flake.lock
 create mode 100644 flake.nix

diff --git a/flake.lock b/flake.lock
new file mode 100644
index 0000000..fb395b0
--- /dev/null
+++ b/flake.lock
@@ -0,0 +1,96 @@
+{
+  "nodes": {
+    "flake-utils": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1731533236,
+        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1775305101,
+        "narHash": "sha256-/74n1oQPtKG52Yw41cbToxspxHbYz6O3vi+XEw16Qe8=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "36a601196c4ebf49e035270e10b2d103fe39076b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-25.11",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs_2": {
+      "locked": {
+        "lastModified": 1744536153,
+        "narHash": "sha256-awS2zRgF4uTwrOKwwiJcByDzDOdo3Q1rPZbiHQg/N38=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "18dd725c29603f582cf1900e0d25f9f1063dbf11",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixpkgs-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs",
+        "rust-overlay": "rust-overlay"
+      }
+    },
+    "rust-overlay": {
+      "inputs": {
+        "nixpkgs": "nixpkgs_2"
+      },
+      "locked": {
+        "lastModified": 1775531562,
+        "narHash": "sha256-G83GDxQo6lqO5aeTSD5RFLhnh2g6DzJpSvSju2EjjrQ=",
+        "owner": "oxalica",
+        "repo": "rust-overlay",
+        "rev": "d8b1b209203665924c81eabf750492530754f27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "oxalica",
+        "repo": "rust-overlay",
+        "type": "github"
+      }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
diff --git a/flake.nix b/flake.nix
new file mode 100644
index 0000000..059ac24
--- /dev/null
+++ b/flake.nix
@@ -0,0 +1,47 @@
+{
+  description = "iris-rs development environment";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-25.11";
+    rust-overlay.url = "github:oxalica/rust-overlay";
+    flake-utils.url = "github:numtide/flake-utils";
+  };
+
+  outputs =
+    {
+      self,
+      nixpkgs,
+      rust-overlay,
+      flake-utils,
+    }:
+    flake-utils.lib.eachDefaultSystem (
+      system:
+      let
+        overlays = [ (import rust-overlay) ];
+        pkgs = import nixpkgs {
+          inherit system overlays;
+        };
+        rustToolchain = pkgs.rust-bin.fromRustupToolchainFile ./rust-toolchain.toml;
+      in
+      {
+        devShells.default = pkgs.mkShell {
+          packages = [
+            rustToolchain
+            pkgs.protobuf
+            pkgs.pkg-config
+          ]
+          ++ pkgs.lib.optionals pkgs.stdenv.isDarwin [
+            pkgs.libiconv
+          ];
+
+          PROTOC = "${pkgs.protobuf}/bin/protoc";
+          PROTOC_INCLUDE = "${pkgs.protobuf}/include";
+
+          shellHook = ''
+            export CC="${pkgs.stdenv.cc}/bin/cc"
+            export CXX="${pkgs.stdenv.cc}/bin/c++"
+          '';
+        };
+      }
+    );
+}