2 files changed, 64 insertions, 4 deletions

diff --git a/flake.lock b/flake.lock
index bcd2dca..a6970b7 100644
--- a/flake.lock
+++ b/flake.lock
@@ -1,7 +1,38 @@
 {
   "nodes": {
+    "naersk": {
+      "inputs": {
+        "nixpkgs": "nixpkgs"
+      },
+      "locked": {
+        "lastModified": 1671096816,
+        "narHash": "sha256-ezQCsNgmpUHdZANDCILm3RvtO1xH8uujk/+EqNvzIOg=",
+        "owner": "nix-community",
+        "repo": "naersk",
+        "rev": "d998160d6a076cfe8f9741e56aeec7e267e3e114",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "naersk",
+        "type": "github"
+      }
+    },
     "nixpkgs": {
       "locked": {
+        "lastModified": 1674333941,
+        "narHash": "sha256-jelQS56nVVFXGOZg6yUZ/3QWgU1Loa4Bzd4+TEPJX+c=",
+        "path": "/nix/store/66j54843ng5il9h6iszzj2f7ajv5lqj1-source",
+        "rev": "339fc3dcc98f39d08496fb90c0d6b5fb81519246",
+        "type": "path"
+      },
+      "original": {
+        "id": "nixpkgs",
+        "type": "indirect"
+      }
+    },
+    "nixpkgs_2": {
+      "locked": {
         "lastModified": 1670461440,
         "narHash": "sha256-jy1LB8HOMKGJEGXgzFRLDU1CBGL0/LlkolgnqIsF0D8=",
         "owner": "NixOS",
@@ -18,7 +49,8 @@
     },
     "root": {
       "inputs": {
-        "nixpkgs": "nixpkgs"
+        "naersk": "naersk",
+        "nixpkgs": "nixpkgs_2"
       }
     }
   },
diff --git a/flake.nix b/flake.nix
index b247db4..143af85 100644
--- a/flake.nix
+++ b/flake.nix
@@ -1,18 +1,45 @@
 {
+  description = "Generate constraint-based diagrams";
+
   inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixos-22.11";
+  inputs.naersk.url = "github:nix-community/naersk";
 
   outputs = {
     self,
     nixpkgs,
+    naersk,
   }: let
-    pkgs = nixpkgs.legacyPackages.x86_64-linux;
+    pkgs = import nixpkgs {
+      overlays = [self.overlays.default];
+      localSystem = "x86_64-linux";
+    };
+    naersk-lib = pkgs.callPackage naersk {};
   in {
-    devShell.x86_64-linux = pkgs.mkShell {
+    overlays.default = final: prev: {
+      diaphragm = final.lua5_4.passthru.pkgs.toLuaModule (naersk-lib.buildPackage {
+        src = ./.;
+        nativeBuildInputs = with final; [pkg-config rustPlatform.bindgenHook];
+        buildInputs = with final; [pango z3];
+
+        copyBins = false;
+        copyLibs = true;
+
+        postInstall = ''
+          mkdir -p $out/lib/lua/5.4 $out/share/lua/5.4
 
+          mv $out/lib/libdiaphragm.so $out/lib/lua/5.4
+          cp $src/lua-bindings/diaphragm.lua $out/share/lua/5.4/
+        '';
+      });
+    };
+
+    packages.x86_64-linux.default = pkgs.diaphragm;
+
+    devShell.x86_64-linux = pkgs.mkShell {
       LIBCLANG_PATH = "${pkgs.llvmPackages.libclang.lib}/lib";
 
       buildInputs = with pkgs; [
-        pkgconfig
+        pkg-config
         cairo
         gdk-pixbuf
         gtk3
@@ -22,6 +49,7 @@
         cargo-watch
 
         lua5_4
+        luarocks
         stylua
       ];
     };