From 6a75590c487d01c180fbe123e74e0e3c7d2e4cac Mon Sep 17 00:00:00 2001
From: Peter Cardenas <16930781+PeterCardenas@users.noreply.github.com>
Date: Tue, 24 Jun 2025 04:16:57 -0700
Subject: [PATCH] fix: error when editing a modified buffer (#2318)

---
 lua/avante/utils/init.lua | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/lua/avante/utils/init.lua b/lua/avante/utils/init.lua
index b7964b7..667d95a 100644
--- a/lua/avante/utils/init.lua
+++ b/lua/avante/utils/init.lua
@@ -1015,8 +1015,12 @@ function M.open_buffer(path, set_current_buf)
 
   local abs_path = M.join_paths(M.get_project_root(), path)
 
-  local bufnr
+  local bufnr ---@type integer
   if set_current_buf then
+    bufnr = vim.fn.bufnr(abs_path)
+    if bufnr ~= -1 and vim.api.nvim_buf_is_loaded(bufnr) and vim.bo[bufnr].modified then
+      vim.api.nvim_buf_call(bufnr, function() vim.cmd("noautocmd write") end)
+    end
     vim.cmd("noautocmd edit " .. abs_path)
     bufnr = vim.api.nvim_get_current_buf()
   else