From 698b384a8bb91cee6ee27b50c1e219a8d0d6c50e Mon Sep 17 00:00:00 2001
From: Alex Hoppen <ahoppen@apple.com>
Date: Thu, 6 Mar 2025 22:53:26 -0800
Subject: [PATCH] Add `-` to `swift-format` invocation to indicate that file
 contents should be read from stdin

To match https://github.com/swiftlang/swift-format/pull/914
---
 Sources/SourceKitLSP/Swift/DocumentFormatting.swift | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Sources/SourceKitLSP/Swift/DocumentFormatting.swift b/Sources/SourceKitLSP/Swift/DocumentFormatting.swift
index 8296dcd59..872f25422 100644
--- a/Sources/SourceKitLSP/Swift/DocumentFormatting.swift
+++ b/Sources/SourceKitLSP/Swift/DocumentFormatting.swift
@@ -190,6 +190,7 @@ extension SwiftLanguageService {
     var args = try [
       swiftFormat.filePath,
       "format",
+      "-",  // Read file contents from stdin
       "--configuration",
       swiftFormatConfiguration(for: textDocument.uri, options: options),
     ]