From 42076bfe0e37d6f5f037b53c1e233dbf2fe24a32 Mon Sep 17 00:00:00 2001
From: argshook <argshook@gmail.com>
Date: Fri, 17 May 2024 15:51:18 +0300
Subject: [PATCH] fix symlink create error

fixes the error:
```
ln: failed to create symbolic link 'chats/last.md': Directory not empty
```
---
 lua/gp/init.lua | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/lua/gp/init.lua b/lua/gp/init.lua
index c1c4b98..7d7cfdb 100644
--- a/lua/gp/init.lua
+++ b/lua/gp/init.lua
@@ -1466,7 +1466,17 @@ M.prep_chat = function(buf, file_name)
 	-- make last.md a symlink to the last opened chat file
 	local last = M.config.chat_dir .. "/last.md"
 	if file_name ~= last then
-		os.execute("ln -sf " .. file_name .. " " .. last)
+		local check_command = "if [[ -L " .. last .. " || ! -e " .. last .. " ]]; then echo 'ok'; else echo 'fail'; fi"
+		local handle = io.popen(check_command)
+		local result = handle:read("*a")
+		handle:close()
+		
+		if result:find("ok") then
+			os.remove(last)
+			os.execute("ln -sf " .. file_name .. " " .. last)
+		else
+			print("Error: 'last.md' exists and is not a symbolic link.")
+		end
 	end
 end