From de018d9ae3721e6cb8fcc663431cdc4162a563dd Mon Sep 17 00:00:00 2001
From: yyk <yykpku@gmail.com>
Date: Tue, 23 Aug 2022 10:40:30 -0700
Subject: [PATCH] Fix invalid buffer in defer fn. (#221)

---
 lua/navigator/diagnostics.lua | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/lua/navigator/diagnostics.lua b/lua/navigator/diagnostics.lua
index e8a728f..7ea659b 100644
--- a/lua/navigator/diagnostics.lua
+++ b/lua/navigator/diagnostics.lua
@@ -58,7 +58,10 @@ local function error_marker(result, ctx, config)
     if bufnr == nil then
       bufnr = vim.uri_to_bufnr(result.uri)
     end
-    local fname = api.nvim_buf_get_name(bufnr)
+    local success, fname = pcall(api.nvim_buf_get_name, bufnr)
+    if not success then
+      return
+    end
     local uri = vim.uri_from_fname(fname)
     if uri ~= result.uri then
       log('not same buf', ctx, result.uri, bufnr, vim.fn.bufnr())