add ocamlPackages.xlog

default.nix

@@ -1,4 +1,4 @@
-{ config, lib, pkgs, ... }:
+{ ... }:
 
 {
   imports = [
@@ -12,6 +12,10 @@
       ghidra_headless = prev.ghidra.override {
         openjdk17 = prev.openjdk17_headless;
       };
+
+      ocamlPackages = prev.ocamlPackages.overrideScope' (ofinal: oprev: {
+        xlog = ofinal.callPackage ./pkgs/ocaml/xlog {};
+      });
     })
   ];
 }

pkgs/ocaml/xlog/default.nix

@@ -0,0 +1,23 @@
+{
+  fetchgit,
+  buildDunePackage,
+
+  ptime,
+  ppxlib
+}:
+buildDunePackage rec {
+  pname = "xlog";
+  version = "0.0.1";
+
+  src = fetchgit {
+    url = "https://git.lain.faith/haskal/xlog.git";
+    rev = version;
+    hash = "sha256-AS50sT4PJm/zk58R/yniGGG0sqdqZUePcVg0BI1CA4E=";
+  };
+
+  minimalOcamlVersion = "5.1";
+  dontStrip = true;
+
+  buildInputs = [ ppxlib ];
+  propagatedBuildInputs = [ ptime ];
+}