From 4253df72399fb96f9ae27602a0e3850017a5e3a0 Mon Sep 17 00:00:00 2001
From: PerchunPak <git@perchun.it>
Date: Fri, 26 Dec 2025 23:40:39 +0100
Subject: [PATCH] vimPlugins.kulala-nvim: fix

At some point, they started to use their own treesitter grammar. And on
`setup()` they try to install the grammar, which obviously does not work
on Nix.
---
 .../editors/vim/plugins/overrides.nix         | 44 ++++++++++++-------
 .../kulala-nvim/do-not-install-grammar.patch  | 15 +++++++
 2 files changed, 44 insertions(+), 15 deletions(-)
 create mode 100644 pkgs/applications/editors/vim/plugins/patches/kulala-nvim/do-not-install-grammar.patch

diff --git a/pkgs/applications/editors/vim/plugins/overrides.nix b/pkgs/applications/editors/vim/plugins/overrides.nix
index bccf385e78bd..abc2faadb8d0 100644
--- a/pkgs/applications/editors/vim/plugins/overrides.nix
+++ b/pkgs/applications/editors/vim/plugins/overrides.nix
@@ -127,6 +127,7 @@
   sad,
   # tv.nvim dependency
   television,
+  tree-sitter,
 }:
 self: super:
 let
@@ -1558,21 +1559,34 @@ assertNoAdditions {
     ];
   };
 
-  kulala-nvim = super.kulala-nvim.overrideAttrs {
-    dependencies = with self; [
-      nvim-treesitter
-      nvim-treesitter-parsers.http
-    ];
-    buildInputs = [ curl ];
-    postPatch = ''
-      substituteInPlace lua/kulala/config/defaults.lua \
-        --replace-fail 'curl_path = "curl"' 'curl_path = "${lib.getExe curl}"'
-    '';
-    nvimSkipModules = [
-      # Requires some extra work to get CLI working in nixpkgs
-      "cli.kulala_cli"
-    ];
-  };
+  kulala-nvim = super.kulala-nvim.overrideAttrs (
+    old:
+    let
+      kulala-http-grammar = neovimUtils.grammarToPlugin (
+        tree-sitter.buildGrammar {
+          inherit (old) version src meta;
+          language = "kulala_http";
+          location = "lua/tree-sitter";
+          generate = false;
+        }
+      );
+    in
+    {
+      dependencies = [ kulala-http-grammar ];
+      buildInputs = [ curl ];
+
+      patches = [ ./patches/kulala-nvim/do-not-install-grammar.patch ];
+      postPatch = ''
+        substituteInPlace lua/kulala/config/defaults.lua \
+          --replace-fail 'curl_path = "curl"' 'curl_path = "${lib.getExe curl}"'
+      '';
+
+      nvimSkipModules = [
+        # Requires some extra work to get CLI working in nixpkgs
+        "cli.kulala_cli"
+      ];
+    }
+  );
 
   lazydocker-nvim = super.lazydocker-nvim.overrideAttrs {
     runtimeDeps = [
diff --git a/pkgs/applications/editors/vim/plugins/patches/kulala-nvim/do-not-install-grammar.patch b/pkgs/applications/editors/vim/plugins/patches/kulala-nvim/do-not-install-grammar.patch
new file mode 100644
index 000000000000..00a76f9c0492
--- /dev/null
+++ b/pkgs/applications/editors/vim/plugins/patches/kulala-nvim/do-not-install-grammar.patch
@@ -0,0 +1,15 @@
+diff --git a/lua/kulala/config/init.lua b/lua/kulala/config/init.lua
+index 7298f95..d781a12 100644
+--- a/lua/kulala/config/init.lua
++++ b/lua/kulala/config/init.lua
+@@ -122,6 +122,10 @@ local function setup_treesitter_master()
+ end
+ 
+ local function set_kulala_parser()
++  assert(vim.treesitter.language.add("kulala_http"))
++  vim.treesitter.language.register("kulala_http", { "http", "rest" })
++  do return end
++
+   local parsers = vim.F.npcall(require, "nvim-treesitter.parsers")
+ 
+   if not parsers then