Fix swift-foundation build

swiftlang/swift-foundation#1094

Author: kateinoigakukun

schemes/main/swift-foundation/1094.patch

@@ -0,0 +1,31 @@
+From cc9d6a3535122542a28f3cf8eb93feb95e05b0f5 Mon Sep 17 00:00:00 2001
+From: Yuta Saito <[email protected]>
+Date: Fri, 13 Dec 2024 16:09:59 +0000
+Subject: [PATCH] Fix WASI build of `_copyDirectoryMetadata`
+
+Extended attributes don't exist in WASI, so we need to exclude the use
+of xattr-related APIs including `flistxattr`.
+---
+ Sources/FoundationEssentials/FileManager/FileOperations.swift | 2 ++
+ 1 file changed, 2 insertions(+)
+
+diff --git a/Sources/FoundationEssentials/FileManager/FileOperations.swift b/Sources/FoundationEssentials/FileManager/FileOperations.swift
+index 418f5cfb..9567f65d 100644
+--- a/Sources/FoundationEssentials/FileManager/FileOperations.swift
++++ b/Sources/FoundationEssentials/FileManager/FileOperations.swift
+@@ -951,6 +951,7 @@ enum _FileOperations {
+     
+     #if !canImport(Darwin)
+     private static func _copyDirectoryMetadata(srcFD: CInt, srcPath: @autoclosure () -> String, dstFD: CInt, dstPath: @autoclosure () -> String, delegate: some LinkOrCopyDelegate) throws {
++        #if !os(WASI)
+         // Copy extended attributes
+         var size = flistxattr(srcFD, nil, 0)
+         if size > 0 {
+@@ -976,6 +977,7 @@ enum _FileOperations {
+                 }
+             }
+         }
++        #endif
+         var statInfo = stat()
+         if fstat(srcFD, &statInfo) == 0 {
+             // Copy owner/group