1 files changed, 31 insertions, 3 deletions

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
       ];
     };