From a6b38de763addf2d22e8a43a1e679cc855dc376d Mon Sep 17 00:00:00 2001
From: Folke Lemaitre <folke.lemaitre@gmail.com>
Date: Wed, 17 Sep 2025 22:46:14 +0200
Subject: [PATCH] fix(treesitter): indentexpr/foldexpr now work as intended and
 override ftplugin settings. Fixes #6447

---
 lua/lazyvim/config/options.lua     | 2 +-
 lua/lazyvim/plugins/treesitter.lua | 9 +++++++++
 lua/lazyvim/util/treesitter.lua    | 4 ++--
 3 files changed, 12 insertions(+), 3 deletions(-)

diff --git a/lua/lazyvim/config/options.lua b/lua/lazyvim/config/options.lua
index f71f96df..2872d2a4 100644
--- a/lua/lazyvim/config/options.lua
+++ b/lua/lazyvim/config/options.lua
@@ -72,7 +72,7 @@ opt.foldexpr = "v:lua.LazyVim.treesitter.foldexpr()" -- treesitter folds
 opt.foldlevel = 99
 opt.foldmethod = "expr"
 opt.foldtext = ""
-opt.formatexpr = "v:lua.require'lazyvim.util'.format.formatexpr()"
+opt.formatexpr = "v:lua.LazyVim.format.formatexpr()"
 opt.formatoptions = "jcroqlnt" -- tcqj
 opt.grepformat = "%f:%l:%c:%m"
 opt.grepprg = "rg --vimgrep"
diff --git a/lua/lazyvim/plugins/treesitter.lua b/lua/lazyvim/plugins/treesitter.lua
index c9a6e094..327c13be 100644
--- a/lua/lazyvim/plugins/treesitter.lua
+++ b/lua/lazyvim/plugins/treesitter.lua
@@ -80,9 +80,18 @@ return {
 
       -- treesitter highlighting
       vim.api.nvim_create_autocmd("FileType", {
+        group = vim.api.nvim_create_augroup("lazyvim_treesitter", { clear = true }),
         callback = function(ev)
           if LazyVim.treesitter.have(ev.match) then
             pcall(vim.treesitter.start)
+
+            -- check if ftplugins changed foldexpr/indentexpr
+            for _, option in ipairs({ "foldexpr", "indentexpr" }) do
+              local expr = "v:lua.LazyVim.treesitter." .. option .. "()"
+              if vim.opt_global[option]:get() == expr then
+                vim.opt_local[option] = expr
+              end
+            end
           end
         end,
       })
diff --git a/lua/lazyvim/util/treesitter.lua b/lua/lazyvim/util/treesitter.lua
index 84e279ce..07e0e5eb 100644
--- a/lua/lazyvim/util/treesitter.lua
+++ b/lua/lazyvim/util/treesitter.lua
@@ -22,12 +22,12 @@ end
 
 function M.foldexpr()
   local buf = vim.api.nvim_get_current_buf()
-  return M.have(vim.b[buf].filetype) and vim.treesitter.foldexpr() or "0"
+  return M.have(vim.bo[buf].filetype) and vim.treesitter.foldexpr() or "0"
 end
 
 function M.indentexpr()
   local buf = vim.api.nvim_get_current_buf()
-  return M.have(vim.b[buf].filetype) and require("nvim-treesitter").indentexpr() or -1
+  return M.have(vim.bo[buf].filetype) and require("nvim-treesitter").indentexpr() or -1
 end
 
 return M