*

Shared/General/MsDelta.cs

@@ -11,8 +11,8 @@ public static class MsDelta {
     /// <exception cref="FileNotFoundException" />
     /// <exception cref="Win32Exception" />
     public static void Create(string oldFilePath, string newFilePath, string deltaFilePath) {
-        if (!File.Exists(oldFilePath)) throw new FileNotFoundException($"旧文件不存在：{oldFilePath}", oldFilePath);
-        if (!File.Exists(newFilePath)) throw new FileNotFoundException($"新文件不存在：{newFilePath}", newFilePath);
+        if (!FileUtils.Exists(oldFilePath)) throw new FileNotFoundException($"旧文件不存在：{oldFilePath}", oldFilePath);
+        if (!FileUtils.Exists(newFilePath)) throw new FileNotFoundException($"新文件不存在：{newFilePath}", newFilePath);
         DirectoryUtils.Create(deltaFilePath, isFilePath: true);
         // fileTypeSet：https://learn.microsoft.com/en-us/previous-versions/bb417345(v=msdn.10)?redirectedfrom=MSDN#file-type-sets (15L: DELTA_FILE_TYPE_SET_EXECUTABLES)
         // 131072L: IgnoreFileSizeLimit, 32u: Crc32
@@ -27,8 +27,8 @@ public static class MsDelta {
     /// <exception cref="FileNotFoundException" />
     /// <exception cref="Win32Exception" />
     public static void Apply(string oldFilePath, string deltaFilePath, string newFilePath) {
-        if (!File.Exists(oldFilePath)) throw new FileNotFoundException($"旧文件不存在：{oldFilePath}", oldFilePath);
-        if (!File.Exists(deltaFilePath)) throw new FileNotFoundException($"补丁文件不存在：{deltaFilePath}", deltaFilePath);
+        if (!FileUtils.Exists(oldFilePath)) throw new FileNotFoundException($"旧文件不存在：{oldFilePath}", oldFilePath);
+        if (!FileUtils.Exists(deltaFilePath)) throw new FileNotFoundException($"补丁文件不存在：{deltaFilePath}", deltaFilePath);
         DirectoryUtils.Create(newFilePath, isFilePath: true);
         // 1L: AllowLegacy
         if (!ApplyDelta(1L, PathUtils.ToLongPath(oldFilePath), PathUtils.ToLongPath(deltaFilePath), PathUtils.ToLongPath(newFilePath)))

Shared/Utils/FileUtils.cs

@@ -40,4 +40,9 @@ public static class FileUtils {
     /// </summary>
     public static void Delete(string filePath) => File.Delete(PathUtils.ToLongPath(filePath));
 
+    /// <summary>
+    /// 确定指定的文件是否存在。
+    /// </summary>
+    public static bool Exists(string filePath) => File.Exists(PathUtils.ToLongPath(filePath));
+
 }

Shared/Utils/PathUtils.cs

@@ -34,13 +34,13 @@ public static class PathUtils {
         string pathToKeep = "";
         string pathToShorten = fullName;
         if (fullName.EndsWithF(".jar", true)) keepFileName = true; // jar 文件的文件名需要保留原样，否则会导致 Forge 1.20.1 无法通过文件名识别模块名
-        if (keepFileName && File.Exists(fullName)) {
+        if (keepFileName && FileUtils.Exists(fullName)) {
             pathToKeep = Path.GetFileName(fullName);
             pathToShorten = Path.GetDirectoryName(fullName);
         }
 
         // 逐级向上寻找已存在的文件夹，将不存在的部分挪到 suffix，不再缩短
-        while (!Directory.Exists(pathToShorten) && !File.Exists(pathToShorten)) { // 如果路径不存在
+        while (!DirectoryUtils.Exists(pathToShorten) && !FileUtils.Exists(pathToShorten)) { // 如果路径不存在
             string parentPath = Path.GetDirectoryName(pathToShorten);
             if (string.IsNullOrEmpty(parentPath) || parentPath == pathToShorten) return fullName; // 已经到达根目录，全都不存在，直接返回
             pathToKeep = Path.Combine(Path.GetFileName(pathToShorten), pathToKeep);