From d548a1865876949743af20a1dcbd924b3b0ad8fe Mon Sep 17 00:00:00 2001
From: Ali Caglayan <alizter@gmail.com>
Date: Sun, 22 Oct 2023 23:48:50 -0700
Subject: [PATCH] update nix and add dev shell (#769)

We update the lock on the nix flake and also add a dev shell. This means
you can do `nix build` to build the project and `nix develop` to drop
into a development environment with cmake and clang.

Signed-off-by: Ali Caglayan <alizter@gmail.com>
Co-authored-by: ArthurSonzogni <sonzogniarthur@gmail.com>
---
 flake.lock | 30 ++++++++++++++++++++++++------
 flake.nix  | 25 ++++++++++++++++++++-----
 2 files changed, 44 insertions(+), 11 deletions(-)

diff --git a/flake.lock b/flake.lock
index 750eb53..abe2dae 100644
--- a/flake.lock
+++ b/flake.lock
@@ -1,12 +1,15 @@
 {
   "nodes": {
     "flake-utils": {
+      "inputs": {
+        "systems": "systems"
+      },
       "locked": {
-        "lastModified": 1678901627,
-        "narHash": "sha256-U02riOqrKKzwjsxc/400XnElV+UtPUQWpANPlyazjH0=",
+        "lastModified": 1694529238,
+        "narHash": "sha256-zsNZZGTGnMOf9YpHKJqMSsa0dXbfmxeoJ7xHlrt+xmY=",
         "owner": "numtide",
         "repo": "flake-utils",
-        "rev": "93a2b84fc4b70d9e089d029deacc3583435c2ed6",
+        "rev": "ff7b65b44d01cf9ba6a71320833626af21126384",
         "type": "github"
       },
       "original": {
@@ -17,11 +20,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1679734080,
-        "narHash": "sha256-z846xfGLlon6t9lqUzlNtBOmsgQLQIZvR6Lt2dImk1M=",
+        "lastModified": 1697915759,
+        "narHash": "sha256-WyMj5jGcecD+KC8gEs+wFth1J1wjisZf8kVZH13f1Zo=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "dbf5322e93bcc6cfc52268367a8ad21c09d76fea",
+        "rev": "51d906d2341c9e866e48c2efcaac0f2d70bfd43e",
         "type": "github"
       },
       "original": {
@@ -36,6 +39,21 @@
         "flake-utils": "flake-utils",
         "nixpkgs": "nixpkgs"
       }
+    },
+    "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",
diff --git a/flake.nix b/flake.nix
index c9a04b5..e7c7426 100644
--- a/flake.nix
+++ b/flake.nix
@@ -8,9 +8,11 @@
 
   outputs = {self, nixpkgs, flake-utils}:
     flake-utils.lib.eachDefaultSystem (system:
-      let pkgs = import nixpkgs { inherit system; }; in
-      {
-        packages.ftxui = pkgs.stdenv.mkDerivation rec {
+    let pkgs = import nixpkgs { inherit system; }; in
+    let llvm = pkgs.llvmPackages_latest; in
+    {
+      packages = rec {
+        default = pkgs.stdenv.mkDerivation rec {
           pname = "ftxui";
           version = "v4.0.0";
           src = pkgs.fetchFromGitHub {
@@ -56,6 +58,19 @@
             platforms = pkgs.lib.platforms.all;
           };
         };
-      }
-    );
+
+        ftxui = default;
+      };
+
+      devShells = {
+        default = pkgs.mkShell {
+          nativeBuildInputs = [
+            pkgs.cmake
+            pkgs.clang-tools
+            llvm.clang
+          ];
+        };
+      };
+    }
+  );
 }