From 4036c37e5578d9d8558bacbf590becc09c7d51b2 Mon Sep 17 00:00:00 2001
From: Mihai Fufezan <mihai@fufexan.net>
Date: Mon, 15 Dec 2025 17:59:08 +0200
Subject: [PATCH] hyprctl: add nix flag (#12653)

---
 CMakeLists.txt        | 4 ++++
 nix/default.nix       | 1 +
 src/debug/HyprCtl.cpp | 8 +++++++-
 3 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index a192a6942..d3af715d3 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -321,6 +321,10 @@ if(CMAKE_BUILD_TYPE MATCHES Debug OR CMAKE_BUILD_TYPE MATCHES DEBUG)
   endif()
 endif()
 
+if(BUILT_WITH_NIX)
+  add_compile_definitions(BUILT_WITH_NIX)
+endif()
+
 check_include_file("execinfo.h" EXECINFOH)
 if(EXECINFOH)
   message(STATUS "Configuration supports execinfo")
diff --git a/nix/default.nix b/nix/default.nix
index 27ecdf604..dc9c0bb13 100644
--- a/nix/default.nix
+++ b/nix/default.nix
@@ -192,6 +192,7 @@ in
       dontStrip = debug;
 
       cmakeFlags = mapAttrsToList cmakeBool {
+        "BUILT_WITH_NIX" = true;
         "NO_XWAYLAND" = !enableXWayland;
         "LEGACY_RENDERER" = legacyRenderer;
         "NO_SYSTEMD" = !withSystemd;
diff --git a/src/debug/HyprCtl.cpp b/src/debug/HyprCtl.cpp
index ad7f592c5..5e21d6992 100644
--- a/src/debug/HyprCtl.cpp
+++ b/src/debug/HyprCtl.cpp
@@ -1067,7 +1067,7 @@ std::string versionRequest(eHyprCtlOutputFormat format, std::string request) {
         result += __hyprland_api_get_hash();
         result += "\n";
 
-#if (!ISDEBUG && !defined(NO_XWAYLAND))
+#if (!ISDEBUG && !defined(NO_XWAYLAND) && !defined(BUILT_WITH_NIX))
         result += "no flags were set\n";
 #else
         result += "flags set:\n";
@@ -1077,6 +1077,9 @@ std::string versionRequest(eHyprCtlOutputFormat format, std::string request) {
 #ifdef NO_XWAYLAND
         result += "no xwayland\n";
 #endif
+#ifdef BUILT_WITH_NIX
+        result += "nix\n";
+#endif
 #endif
         return result;
     } else {
@@ -1113,6 +1116,9 @@ std::string versionRequest(eHyprCtlOutputFormat format, std::string request) {
 #ifdef NO_XWAYLAND
         result += "\"no xwayland\",";
 #endif
+#ifdef BUILT_WITH_NIX
+        result += "\"nix\",";
+#endif
 
         trimTrailingComma(result);