From e153ba4e337ce55721aef6ffc21a86f345713c41 Mon Sep 17 00:00:00 2001
From: Stanislav Asunkin <1353637+stasjok@users.noreply.github.com>
Date: Fri, 17 Apr 2026 18:42:27 +0300
Subject: [PATCH] lua51Packages.libluv: fix build

Upstream rockspec file now supports WITH_SHARED_LIBUV variable. This
commit uses it. Before this change, upstream value of WITH_SHARED_LIBUV
overrode the one from the inline patch, which caused a build failure.
---
 pkgs/development/lua-modules/luv/default.nix | 34 +++++++-------------
 1 file changed, 11 insertions(+), 23 deletions(-)

diff --git a/pkgs/development/lua-modules/luv/default.nix b/pkgs/development/lua-modules/luv/default.nix
index a023a9f0dee7..301ecc936a78 100644
--- a/pkgs/development/lua-modules/luv/default.nix
+++ b/pkgs/development/lua-modules/luv/default.nix
@@ -43,31 +43,19 @@ buildLuarocksPackage rec {
   buildInputs = [ libuv ];
   nativeBuildInputs = [ cmake ];
 
-  # Need to specify WITH_SHARED_LIBUV=ON cmake flag, but
-  # Luarocks doesn't take cmake variables from luarocks config.
-  # Need to specify it in rockspec. See https://github.com/luarocks/luarocks/issues/1160.
-  knownRockspec = runCommand "luv-${version}.rockspec" { } ''
-    patch ${src}/luv-scm-0.rockspec -o - > $out <<'EOF'
-    --- a/luv-scm-0.rockspec
-    +++ b/luv-scm-0.rockspec
-    @@ -1,5 +1,5 @@
-     package = "luv"
-    -version = "scm-0"
-    +version = "${version}"
-     source = {
-       url = 'git://github.com/luvit/luv.git'
-     }
-    @@ -24,6 +24,7 @@
-     build =
-       type = 'cmake',
-       variables = {
-    +     WITH_SHARED_LIBUV="ON",
-          CMAKE_C_FLAGS="$(CFLAGS)",
-          CMAKE_MODULE_LINKER_FLAGS="$(LIBFLAG)",
-          LUA_LIBDIR="$(LUA_LIBDIR)",
-    EOF
+  rockspecFilename = "luv-scm-0.rockspec";
+
+  postConfigure = ''
+    mv "$rockspecFilename" "$generatedRockspecFilename"
+    rockspecFilename="$generatedRockspecFilename"
+    substituteInPlace "$rockspecFilename" \
+      --replace-fail 'version = "scm-0"' "version = \"$version\""
   '';
 
+  luarocksConfig.variables = {
+    WITH_SHARED_LIBUV = "ON";
+  };
+
   __darwinAllowLocalNetworking = true;
 
   doInstallCheck = true;