From 84ee7c3d73ea5016be79534515e5759491c188b6 Mon Sep 17 00:00:00 2001
From: Boris Staletic <boris.staletic@protonmail.com>
Date: Sun, 21 Jan 2024 10:53:46 +0100
Subject: [PATCH] Update the server with current file state after a restart

Previously, ycmd would not update the LSP server with the current file
state after RestartServer subcommand had been issued. This causes some
stale diagnostics to linger.
---
 ycmd/completers/language_server/language_server_completer.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/ycmd/completers/language_server/language_server_completer.py b/ycmd/completers/language_server/language_server_completer.py
index aa7234079f..2c6cdf01b3 100644
--- a/ycmd/completers/language_server/language_server_completer.py
+++ b/ycmd/completers/language_server/language_server_completer.py
@@ -1236,6 +1236,9 @@ def ShutdownServer( self ):
   def _RestartServer( self, request_data, *args, **kwargs ):
     self.Shutdown()
     self._StartAndInitializeServer( request_data, *args, **kwargs )
+    self._OnInitializeComplete(
+      lambda self: self._UpdateServerWithFileContents( request_data )
+    )
 
 
   def _ServerIsInitialized( self ):