From d74ae64fbb106506816c69d5db95255db0efcd03 Mon Sep 17 00:00:00 2001
From: zi3m5f <113244000+zi3m5f@users.noreply.github.com>
Date: Wed, 23 Oct 2024 01:30:05 +0200
Subject: [PATCH] clang-uml: fix --version output

by setting cmake flag GIT_VERSION:
https://github.com/bkryza/clang-uml/issues/211
Enable `versionCheckHook` and set `meta.mainProgram`.
---
 pkgs/by-name/cl/clang-uml/package.nix | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/pkgs/by-name/cl/clang-uml/package.nix b/pkgs/by-name/cl/clang-uml/package.nix
index adc180a4c1ce..24d865922a80 100644
--- a/pkgs/by-name/cl/clang-uml/package.nix
+++ b/pkgs/by-name/cl/clang-uml/package.nix
@@ -11,6 +11,7 @@
   yaml-cpp,
   elfutils,
   libunwind,
+  versionCheckHook,
   enableLibcxx ? false,
   debug ? false,
 }:
@@ -43,6 +44,7 @@ stdenv.mkDerivation (finalAttrs: {
 
   cmakeFlags = [
     "-DCUSTOM_COMPILE_OPTIONS=-Wno-error=sign-compare"
+    "-DGIT_VERSION=${finalAttrs.version}"
   ];
 
   buildInputs = [
@@ -72,6 +74,10 @@ stdenv.mkDerivation (finalAttrs: {
   dontFixup = debug;
   dontStrip = debug;
 
+  nativeInstallCheckInputs = [ versionCheckHook ];
+  doInstallCheck = true;
+  versionCheckProgramArg = "--version";
+
   meta = {
     description = "Customizable automatic UML diagram generator for C++ based on Clang";
     longDescription = ''
@@ -84,5 +90,6 @@ stdenv.mkDerivation (finalAttrs: {
     homepage = "https://clang-uml.github.io/";
     license = lib.licenses.asl20;
     platforms = lib.platforms.all;
+    mainProgram = "clang-uml";
   };
 })