From 4cc9d2f4376adc6e07129ff133f7665c0f5e749a Mon Sep 17 00:00:00 2001
From: bruvzg <7645683+bruvzg@users.noreply.github.com>
Date: Wed, 2 Oct 2024 08:57:37 +0300
Subject: [PATCH] [Linux/BSD] Fix cross-device rename.

---
 drivers/unix/dir_access_unix.cpp | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/drivers/unix/dir_access_unix.cpp b/drivers/unix/dir_access_unix.cpp
index e4bad880837..816ffd7a322 100644
--- a/drivers/unix/dir_access_unix.cpp
+++ b/drivers/unix/dir_access_unix.cpp
@@ -410,7 +410,17 @@ Error DirAccessUnix::rename(String p_path, String p_new_path) {
 		p_new_path = p_new_path.left(-1);
 	}
 
-	return ::rename(p_path.utf8().get_data(), p_new_path.utf8().get_data()) == 0 ? OK : FAILED;
+	int res = ::rename(p_path.utf8().get_data(), p_new_path.utf8().get_data());
+	if (res != 0 && errno == EXDEV) { // Cross-device move, use copy and remove.
+		Error err = OK;
+		err = copy(p_path, p_new_path);
+		if (err != OK) {
+			return err;
+		}
+		return remove(p_path);
+	} else {
+		return (res == 0) ? OK : FAILED;
+	}
 }
 
 Error DirAccessUnix::remove(String p_path) {