From 3f470a096505af6339f9c0b591583a177946bdd5 Mon Sep 17 00:00:00 2001
From: xenia <xenia@awoo.systems>
Date: Fri, 12 Sep 2025 00:34:11 -0400
Subject: [PATCH] add patdiff-bin

---
 README.md                          |  4 ++++
 overlay.nix                        |  2 ++
 pkgs/ocaml/patdiff-bin/default.nix | 12 ++++++++++++
 3 files changed, 18 insertions(+)
 create mode 100644 pkgs/ocaml/patdiff-bin/default.nix

diff --git a/README.md b/README.md
index 02723bb..69e8159 100644
--- a/README.md
+++ b/README.md
@@ -490,6 +490,10 @@ libsystemd implementation in native ocaml: <https://git.lain.faith/haskal/system
 
 the ocaml html docs package from opam
 
+### [`ocamlPackages.patdiff-bin`](./pkgs/ocaml/patdiff-bin)
+
+a repackaged version of `ocamlPackages.patdiff` with a reduced closure size
+
 ### [`python312Packages.feedvalidator` or `feedvalidator`](./pkgs/python/feedvalidator)
 
 the W3C atom/RSS feed validator library, <https://github.com/w3c/feedvalidator>
diff --git a/overlay.nix b/overlay.nix
index b2893f7..39fe614 100644
--- a/overlay.nix
+++ b/overlay.nix
@@ -24,6 +24,8 @@ final: prev: {
     systemd-ml = ofinal.callPackage ./pkgs/ocaml/systemd-ml {};
 
     ocaml-manual = ofinal.callPackage ./pkgs/ocaml/ocaml-manual {};
+
+    patdiff-bin = ofinal.callPackage ./pkgs/ocaml/patdiff-bin {};
   });
 
   python312Packages = prev.python312Packages.overrideScope (pfinal: pprev: {
diff --git a/pkgs/ocaml/patdiff-bin/default.nix b/pkgs/ocaml/patdiff-bin/default.nix
new file mode 100644
index 0000000..b5eeb83
--- /dev/null
+++ b/pkgs/ocaml/patdiff-bin/default.nix
@@ -0,0 +1,12 @@
+{
+  runCommand,
+  patdiff,
+}: runCommand "patdiff-bin-${patdiff.version}" {
+  nativeBuildInputs = [];
+  strictDeps = true;
+  meta.mainProgram = "patdiff";
+} ''
+  mkdir -p $out
+  cp -r ${patdiff}/bin $out
+  cp -r ${patdiff}/share $out
+''