From e0147c1b0f94708392783bbb44db8cd8bf8c84d4 Mon Sep 17 00:00:00 2001
From: Mathias Fussenegger <f.mathias@zignar.net>
Date: Thu, 8 Dec 2022 11:27:39 +0100
Subject: [PATCH] Set buftype=nofile and swapfile=false on jdt:// buffers

---
 .luacheckrc   |  4 +++-
 lua/jdtls.lua | 10 ++++++----
 2 files changed, 9 insertions(+), 5 deletions(-)

diff --git a/.luacheckrc b/.luacheckrc
index 6b9d5b1..b4a5e19 100644
--- a/.luacheckrc
+++ b/.luacheckrc
@@ -1,8 +1,10 @@
 ignore = {
   "631",    -- max_line_length
 }
+globals = {
+  "vim"
+}
 read_globals = {
-  "vim",
   "describe",
   "it",
   "assert",
diff --git a/lua/jdtls.lua b/lua/jdtls.lua
index 2e97653..614c7dc 100644
--- a/lua/jdtls.lua
+++ b/lua/jdtls.lua
@@ -964,7 +964,7 @@ function M.open_jdt_link(uri)
       buf_content = {
         'Received response from server, but it was empty. Check the log file for errors', log_path}
     else
-      buf_content = vim.split(response[2], '\n', true)
+      buf_content = vim.split(response[2], '\n', { plain = true })
     end
   else
     local error_msg
@@ -988,10 +988,12 @@ function M.open_jdt_link(uri)
     vim.list_extend(buf_content, vim.split(vim.inspect(error_msg), '\n'))
     vim.list_extend(buf_content, {'', 'Check the log file for errors', log_path})
   end
-  api.nvim_buf_set_option(buf, 'modifiable', true)
+  vim.bo[buf].modifiable = true
+  vim.bo[buf].swapfile = false
+  vim.bo[buf].buftype = 'nofile'
   api.nvim_buf_set_lines(buf, 0, -1, false, buf_content)
-  api.nvim_buf_set_option(0, 'filetype', 'java')
-  api.nvim_buf_set_option(buf, 'modifiable', false)
+  vim.bo[buf].filetype = 'java'
+  vim.bo[buf].modifiable = false
 end