From de4f882a2288ce19fede72ba1c4b4224044547e5 Mon Sep 17 00:00:00 2001
From: Scott Lahteine <thinkyhead@users.noreply.github.com>
Date: Mon, 28 Sep 2020 16:36:22 -0500
Subject: [PATCH] Fetch longname when a file exists

---
 Marlin/src/sd/cardreader.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Marlin/src/sd/cardreader.cpp b/Marlin/src/sd/cardreader.cpp
index ec834564ec..e154ea9f31 100644
--- a/Marlin/src/sd/cardreader.cpp
+++ b/Marlin/src/sd/cardreader.cpp
@@ -628,11 +628,17 @@ void CardReader::openFileWrite(char * const path) {
 
 //
 // Check if a file exists by absolute or workDir-relative path
+// If the file exists, the long name can also be fetched.
 //
 bool CardReader::fileExists(const char * const path) {
   if (!isMounted()) return false;
   SdFile *diveDir = nullptr;
   const char * const fname = diveToFile(false, diveDir, path);
+  if (fname) {
+    diveDir->rewind();
+    selectByName(*diveDir, fname);
+    diveDir->close();
+  }
   return fname != nullptr;
 }