From a57debd08799ec582532977ad11532523989aff8 Mon Sep 17 00:00:00 2001
From: Spectre <ole@benstem.de>
Date: Wed, 9 Oct 2024 03:50:50 +0200
Subject: [PATCH] flake

---
 flake.lock | 44 ++++++++++++++++++++++++++++++++++++++++++++
 flake.nix  | 50 ++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 94 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..a4b4b5a
--- /dev/null
+++ b/flake.lock
@@ -0,0 +1,44 @@
+{
+  "nodes": {
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 0,
+        "narHash": "sha256-HP89HZOT0ReIbI7IJZJQoJgxvB2Tn28V6XS3MNKnfLs=",
+        "path": "/nix/store/lryfc8mhk1czqsa421di2y5nzz5c3b8m-source",
+        "type": "path"
+      },
+      "original": {
+        "id": "nixpkgs",
+        "type": "indirect"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixpkgs": "nixpkgs",
+        "rust-overlay": "rust-overlay"
+      }
+    },
+    "rust-overlay": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1728268235,
+        "narHash": "sha256-lJMFnMO4maJuNO6PQ5fZesrTmglze3UFTTBuKGwR1Nw=",
+        "owner": "oxalica",
+        "repo": "rust-overlay",
+        "rev": "25685cc2c7054efc31351c172ae77b21814f2d42",
+        "type": "github"
+      },
+      "original": {
+        "owner": "oxalica",
+        "repo": "rust-overlay",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
diff --git a/flake.nix b/flake.nix
new file mode 100644
index 0000000..11a3b21
--- /dev/null
+++ b/flake.nix
@@ -0,0 +1,50 @@
+{
+  description = "A Nix-flake-based Rust development environment";
+
+  inputs = {
+    rust-overlay = {
+      url = "github:oxalica/rust-overlay";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+  };
+
+  outputs = {
+    self,
+    nixpkgs,
+    rust-overlay,
+  }: let
+    overlays = [
+      rust-overlay.overlays.default
+      (final: prev: {
+        rustToolchain = let
+          rust = prev.rust-bin;
+        in
+          if builtins.pathExists ./rust-toolchain.toml
+          then rust.fromRustupToolchainFile ./rust-toolchain.toml
+          else if builtins.pathExists ./rust-toolchain
+          then rust.fromRustupToolchainFile ./rust-toolchain
+          else rust.stable.latest.default;
+      })
+    ];
+    supportedSystems = ["x86_64-linux" "aarch64-linux" "x86_64-darwin" "aarch64-darwin"];
+    forEachSupportedSystem = f:
+      nixpkgs.lib.genAttrs supportedSystems (system:
+        f {
+          pkgs = import nixpkgs {inherit overlays system;};
+        });
+  in {
+    devShells = forEachSupportedSystem ({pkgs}: {
+      default = pkgs.mkShell {
+        packages = with pkgs; [
+          rustToolchain
+          openssl
+          pkg-config
+          cargo-deny
+          cargo-edit
+          cargo-watch
+          rust-analyzer
+        ];
+      };
+    });
+  };
+}