1 files changed, 123 insertions, 0 deletions
diff --git a/devenv.nix b/devenv.nix
new file mode 100644
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--- /dev/null
+++ b/devenv.nix
@@ -0,0 +1,123 @@
+{
+  pkgs,
+  lib,
+  config,
+  inputs,
+  ...
+}: let
+  opkgs = import inputs.ocaml {system = pkgs.system;};
+
+  murmur = opkgs.ocamlPackages.buildDunePackage {
+    pname = "murmur3";
+    version = "0.4";
+    src = pkgs.fetchFromGitHub {
+      owner = "polwex";
+      repo = "ocaml-murmur3";
+      rev = "be8ef049b515ccc1adc7393975e0f4a12a95dcb0";
+      sha256 = "oojBUIo8YIzVxAau4jwToYinemuDKYwaX+2OaZ28mW0=";
+    };
+  };
+in {
+  # nixConfig = {
+  #   extra-substituters = "https://anmonteiro.nix-cache.workers.dev";
+  #   extra-trusted-public-keys = "ocaml.nix-cache.com-1:/xI2h2+56rwFfKyyFVbkJSeGqSIYMC/Je+7XXqGKDIY=";
+  # };
+
+  # https://devenv.sh/basics/
+  env.GREET = "devenv";
+  #rust
+  env.LIBCLANG_PATH = pkgs.lib.makeLibraryPath [pkgs.llvmPackages_latest.libclang.lib];
+  #ocaml
+  # overlays = [
+  # inputs.ocaml.overlays.default
+  # (final: prev: {
+  #   ocamlPackages = prev.ocaml-ng.ocamlPackages_5_3;
+  #   ocaml = prev.ocaml-ng.ocamlPackages_5_3.ocaml;
+  # })
+  # ];
+
+  # https://devenv.sh/packages/
+  packages = with pkgs;
+    [
+      git
+      #rust
+      openssl
+      pkg-config
+      clang
+      zig_0_14
+      opkgs.ocamlPackages.lmdb
+      (python312.withPackages (py: [py.requests]))
+    ]
+    ++ (with opkgs.ocamlPackages; [
+      ocaml
+      dune_3
+      opam
+      findlib
+      merlin
+      utop
+      odoc
+      ocaml-lsp
+      ocp-indent
+      ocamlformat
+      #
+      #
+      cmdliner
+      logs
+      zarith
+      cmdliner
+      logs
+      eio_main
+      lmdb
+      domainslib
+      piaf
+      murmur
+      ctypes
+      ctypes-foreign
+      # testing
+
+      alcotest
+      qcheck
+      qcheck-alcotest
+      landmarks
+    ]);
+
+  # https://devenv.sh/languages/
+  languages.rust.enable = true;
+  # languages.ocaml = {
+  #   enable = true;
+  # };
+
+  # https://devenv.sh/processes/
+  # processes.dev.exec = "${lib.getExe pkgs.watchexec} -n -- ls -la";
+
+  # https://devenv.sh/services/
+  # services.postgres.enable = true;
+
+  # https://devenv.sh/scripts/
+  scripts.hello.exec = ''
+    echo hello from $GREET
+  '';
+
+  # https://devenv.sh/basics/
+  enterShell = ''
+    hello         # Run scripts directly
+    git --version # Use packages
+  '';
+
+  # https://devenv.sh/tasks/
+  # tasks = {
+  #   "myproj:setup".exec = "mytool build";
+  #   "devenv:enterShell".after = [ "myproj:setup" ];
+  # };
+
+  # https://devenv.sh/tests/
+  enterTest = ''
+    echo "Running tests"
+    git --version | grep --color=auto "${pkgs.git.version}"
+  '';
+
+  # https://devenv.sh/git-hooks/
+  # git-hooks.hooks.shellcheck.enable = true;
+
+  # See full reference at https://devenv.sh/reference/options/
+}