Exempt Linux

plugin/core/constants.py

@@ -11,6 +11,7 @@
 
 
 ST_VERSION = int(sublime.version())
+ST_PLATFORM = sublime.platform()
 
 # Keys for View.add_regions
 HOVER_HIGHLIGHT_KEY = 'lsp_hover_highlight'

plugin/session_buffer.py

@@ -1,5 +1,6 @@
 from .core.constants import DOCUMENT_LINK_FLAGS
 from .core.constants import SEMANTIC_TOKEN_FLAGS
+from .core.constants import ST_PLATFORM
 from .core.protocol import ColorInformation
 from .core.protocol import Diagnostic
 from .core.protocol import DocumentDiagnosticParams
@@ -168,7 +169,8 @@ def _check_did_open(self, view: sublime.View) -> None:
 
     def _check_did_close(self, view: sublime.View) -> None:
         if self.opened and self.should_notify_did_close():
-            self.purge_changes_async(view, suppress_requests=True)
+            if ST_PLATFORM != 'linux':  # https://github.com/sublimelsp/LSP/pull/2438
+                self.purge_changes_async(view, suppress_requests=True)
             self.session.send_notification(did_close(uri=self._last_known_uri))
             self.opened = False
 

tests/test_single_document.py

@@ -9,6 +9,8 @@
 from setup import YieldPromise
 import os
 import sublime
+import sys
+import unittest
 
 
 try:
@@ -406,6 +408,9 @@ class AnotherDocumentTestCase(TextDocumentTestCase):
     def get_test_name(cls) -> str:
         return "testfile2"
 
+    # The fix from https://github.com/sublimelsp/LSP/pull/2438 oddly causes an unrelated test to fail on Linux, so it's
+    # only applied on Windows and macOS for now.
+    @unittest.skipIf(sys.platform.startswith("linux"), "not working as expected on Linux")
     def test_did_change_before_did_close(self) -> 'Generator':
         assert self.view
         self.view.window().run_command("chain", {