From 66dacde4f7a4945eb98d5f1ccb158247961034da Mon Sep 17 00:00:00 2001
From: Xenira <1288524+Xenira@users.noreply.github.com>
Date: Mon, 23 Jun 2025 19:10:17 +0200
Subject: [PATCH] build(nix): add dev environment flake Basic flake to enable
 development under nixos. Not really flushed out, but in a good enough state
 to add it. Probably needs improvement in the future.

Refs: #409
---
 .envrc     |  1 +
 .gitignore |  3 ++-
 flake.lock | 48 ++++++++++++++++++++++++++++++++++++++++++++++++
 flake.nix  | 40 ++++++++++++++++++++++++++++++++++++++++
 4 files changed, 91 insertions(+), 1 deletion(-)
 create mode 100644 .envrc
 create mode 100644 flake.lock
 create mode 100644 flake.nix

diff --git a/.envrc b/.envrc
new file mode 100644
index 0000000000..3550a30f2d
--- /dev/null
+++ b/.envrc
@@ -0,0 +1 @@
+use flake
diff --git a/.gitignore b/.gitignore
index 89e3a707f6..7010525748 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,4 +3,5 @@ Cargo.lock
 /.vscode
 /.idea
 /tmp
-expand.rs
\ No newline at end of file
+/.direnv
+expand.rs
diff --git a/flake.lock b/flake.lock
new file mode 100644
index 0000000000..d9dc302dc8
--- /dev/null
+++ b/flake.lock
@@ -0,0 +1,48 @@
+{
+  "nodes": {
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1749794982,
+        "narHash": "sha256-Kh9K4taXbVuaLC0IL+9HcfvxsSUx8dPB5s5weJcc9pc=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "ee930f9755f58096ac6e8ca94a1887e0534e2d81",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixpkgs": "nixpkgs",
+        "rust-overlay": "rust-overlay"
+      }
+    },
+    "rust-overlay": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1749955444,
+        "narHash": "sha256-CllTHvHX8KAdAZ+Lxzd23AmZTxO1Pfy+zC43/5tYkAE=",
+        "owner": "oxalica",
+        "repo": "rust-overlay",
+        "rev": "539ba15741f0e6691a2448743dbc601d8910edce",
+        "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 0000000000..1950ce5a61
--- /dev/null
+++ b/flake.nix
@@ -0,0 +1,40 @@
+{
+  description = "ext-php-rs dev environment";
+
+  inputs = {
+    nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
+    rust-overlay = {
+      url = "github:oxalica/rust-overlay";
+      inputs = {
+        nixpkgs.follows = "nixpkgs";
+      };
+    };
+  };
+
+  outputs =
+    { nixpkgs, rust-overlay, ... }:
+    let
+      system = "x86_64-linux";
+      overlays = [ (import rust-overlay) ];
+      pkgs = import nixpkgs { inherit system overlays; };
+      php-dev = pkgs.php.unwrapped.dev;
+    in
+    {
+      devShells.${system} = {
+        default = pkgs.mkShell {
+          buildInputs = with pkgs; [
+            php
+            php-dev
+            libclang.lib
+            clang
+          ];
+
+          nativeBuildInputs = [ pkgs.rust-bin.stable.latest.default ];
+
+          shellHook = ''
+            export LIBCLANG_PATH="''$LIBCLANG_PATH ${pkgs.libclang.lib}/lib"
+          '';
+        };
+      };
+    };
+}