From f69428fca9a04bea546950543e6094969b305492 Mon Sep 17 00:00:00 2001
From: Martin Joerg <martin.joerg@gmail.com>
Date: Tue, 24 Feb 2026 13:08:35 +0000
Subject: [PATCH 1/2] lager: 0.1.0 -> 0.1.2

https://github.com/arximboldi/lager/compare/refs/tags/v0.1.0...refs/tags/v0.1.2

fixes #493431
---
 pkgs/by-name/la/lager/package.nix | 27 +++++++++++++++++++--------
 1 file changed, 19 insertions(+), 8 deletions(-)

diff --git a/pkgs/by-name/la/lager/package.nix b/pkgs/by-name/la/lager/package.nix
index 3d5ed2498317..93fe2eb9131d 100644
--- a/pkgs/by-name/la/lager/package.nix
+++ b/pkgs/by-name/la/lager/package.nix
@@ -4,38 +4,49 @@
   fetchFromGitHub,
   cmake,
   boost,
+  cereal,
   immer,
   zug,
 }:
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "lager";
-  version = "0.1.0";
+  version = "0.1.2";
 
   src = fetchFromGitHub {
     owner = "arximboldi";
     repo = "lager";
-    rev = "v${finalAttrs.version}";
-    hash = "sha256-KTHrVV/186l4klwlcfDwFsKVoOVqWCUPzHnIbWuatbg=";
+    tag = "v${finalAttrs.version}";
+    hash = "sha256-ssGBQu8ba798MSTtJeCBE3WQ7AFfvSGLhZ7WBYHEgfw=";
   };
 
+  strictDeps = true;
+
+  nativeBuildInputs = [ cmake ];
+
   buildInputs = [
     boost
+    cereal
     immer
     zug
   ];
-  nativeBuildInputs = [
-    cmake
-  ];
+
   cmakeFlags = [
-    "-Dlager_BUILD_EXAMPLES=OFF"
+    (lib.cmakeBool "lager_BUILD_DEBUGGER_EXAMPLES" false)
+    (lib.cmakeBool "lager_BUILD_DOCS" false)
+    (lib.cmakeBool "lager_BUILD_EXAMPLES" false)
+    (lib.cmakeBool "lager_BUILD_TESTS" false)
   ];
+
+  # remove BUILD file to avoid conflicts with the build directory
   preConfigure = ''
     rm BUILD
   '';
+
   meta = {
-    homepage = "https://github.com/arximboldi/lager";
+    changelog = "https://github.com/arximboldi/lager/releases/tag/${finalAttrs.src.tag}";
     description = "C++ library for value-oriented design using the unidirectional data-flow architecture — Redux for C++";
+    homepage = "https://sinusoid.es/lager/";
     license = lib.licenses.mit;
     maintainers = [ ];
   };

From 070b8d095f3404ab1bd283451dcf38f078a4d912 Mon Sep 17 00:00:00 2001
From: Martin Joerg <martin.joerg@gmail.com>
Date: Tue, 24 Feb 2026 13:08:35 +0000
Subject: [PATCH 2/2] lager: enable checks

---
 pkgs/by-name/la/lager/package.nix | 23 ++++++++++++++++++++++-
 1 file changed, 22 insertions(+), 1 deletion(-)

diff --git a/pkgs/by-name/la/lager/package.nix b/pkgs/by-name/la/lager/package.nix
index 93fe2eb9131d..d4444c1c0448 100644
--- a/pkgs/by-name/la/lager/package.nix
+++ b/pkgs/by-name/la/lager/package.nix
@@ -2,11 +2,14 @@
   lib,
   stdenv,
   fetchFromGitHub,
+  fetchpatch,
   cmake,
   boost,
   cereal,
   immer,
   zug,
+  catch2,
+  qt5,
 }:
 
 stdenv.mkDerivation (finalAttrs: {
@@ -20,6 +23,15 @@ stdenv.mkDerivation (finalAttrs: {
     hash = "sha256-ssGBQu8ba798MSTtJeCBE3WQ7AFfvSGLhZ7WBYHEgfw=";
   };
 
+  patches = lib.optionals finalAttrs.finalPackage.doCheck [
+    # https://github.com/arximboldi/lager/pull/233
+    (fetchpatch {
+      name = "Stop-using-Boost-system.patch";
+      url = "https://github.com/arximboldi/lager/commit/0eb1d3d3a6057723c5b57b3e0ee3e41924ff419a.patch";
+      hash = "sha256-peGpuyuCznCDqYo+9zk1FytLV+a6Um8fvjLmrm7Y2CI=";
+    })
+  ];
+
   strictDeps = true;
 
   nativeBuildInputs = [ cmake ];
@@ -31,11 +43,16 @@ stdenv.mkDerivation (finalAttrs: {
     zug
   ];
 
+  checkInputs = [
+    catch2
+    qt5.qtdeclarative
+  ];
+
   cmakeFlags = [
     (lib.cmakeBool "lager_BUILD_DEBUGGER_EXAMPLES" false)
     (lib.cmakeBool "lager_BUILD_DOCS" false)
     (lib.cmakeBool "lager_BUILD_EXAMPLES" false)
-    (lib.cmakeBool "lager_BUILD_TESTS" false)
+    (lib.cmakeBool "lager_BUILD_TESTS" finalAttrs.finalPackage.doCheck)
   ];
 
   # remove BUILD file to avoid conflicts with the build directory
@@ -43,6 +60,10 @@ stdenv.mkDerivation (finalAttrs: {
     rm BUILD
   '';
 
+  doCheck = true;
+
+  dontWrapQtApps = true;
+
   meta = {
     changelog = "https://github.com/arximboldi/lager/releases/tag/${finalAttrs.src.tag}";
     description = "C++ library for value-oriented design using the unidirectional data-flow architecture — Redux for C++";