1 files changed, 63 insertions, 0 deletions
diff --git a/flake.nix b/flake.nix
new file mode 100644
index 0000000..940d5fb
--- /dev/null
+++ b/flake.nix
@@ -0,0 +1,63 @@
+{
+  inputs = {
+    flake-utils.url = "github:numtide/flake-utils";
+    nixpkgs.url = "github:nixos/nixpkgs/nixpkgs-unstable";
+    ocaml.url = "github:nix-ocaml/nix-overlays";
+    ocaml.inputs.nixpkgs.follows = "nixpkgs";
+    # it's broken wtf
+    # lsp.url = "github:ocaml/ocaml-lsp";
+    # lsp.inputs.nixpkgs.follows = "nixpkgs";
+  };
+
+  outputs = {
+    self,
+    nixpkgs,
+    ocaml,
+    flake-utils,
+  }:
+    flake-utils.lib.eachDefaultSystem (system: let
+      pkgs = import nixpkgs {
+        inherit system;
+        overlays = [
+          ocaml.overlays.default
+          (final: prev: {
+            # This ensures we consistently use one version of ocaml packages
+            ocamlPackages = prev.ocaml-ng.ocamlPackages_5_3;
+            ocaml = prev.ocaml-ng.ocamlPackages_5_3.ocaml;
+          })
+        ];
+      };
+    in {
+      devShells.default = pkgs.mkShell rec {
+        buildInputs =
+          nativeBuildInputs
+          ++ (with pkgs.ocamlPackages; [utop]);
+        nativeBuildInputs = with pkgs.ocamlPackages; [
+          pkgs.zig_0_14
+          pkgs.sqlite
+          pkgs.dune_3
+          pkgs.ocaml
+
+          pkgs.opam
+          findlib
+          ocamlformat
+          #
+          zarith
+          cmdliner
+          logs
+          alcotest
+          qcheck
+          qcheck-alcotest
+          landmarks
+
+          ctypes
+          ctypes-foreign
+          #
+          ocaml-lsp
+          eio_main
+          # http server
+          piaf
+        ];
+      };
+    });
+}