From 826a6bf868800bedba8c310b8688589cf32760d2 Mon Sep 17 00:00:00 2001
From: mslxl <1302485739@qq.com>
Date: Mon, 5 Feb 2018 16:24:44 +0800
Subject: [PATCH] Fix `Unable move temp file` on Arch Linux

---
 .../java/org/jackhuang/hmcl/task/FileDownloadTask.java     | 7 +++++--
 .../src/main/java/org/jackhuang/hmcl/util/FileUtils.java   | 7 ++++++-
 2 files changed, 11 insertions(+), 3 deletions(-)

diff --git a/HMCLCore/src/main/java/org/jackhuang/hmcl/task/FileDownloadTask.java b/HMCLCore/src/main/java/org/jackhuang/hmcl/task/FileDownloadTask.java
index 4b0b78ac5..a21ed15fa 100644
--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/task/FileDownloadTask.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/task/FileDownloadTask.java
@@ -202,8 +202,11 @@ public class FileDownloadTask extends Task {
                         throw new IOException("Unable to delete existent file " + file);
                     if (!FileUtils.makeDirectory(file.getAbsoluteFile().getParentFile()))
                         throw new IOException("Unable to make parent directory " + file);
-                    if (!temp.renameTo(file))
-                        throw new IOException("Unable to move temp file from " + temp + " to " + file);
+                    try {
+                        FileUtils.cutFile(temp, file);
+                    } catch (Exception e) {
+                        throw new IOException("Unable to move temp file from " + temp + " to " + file, e);
+                    }
                 }
 
                 if (downloaded != contentLength)
diff --git a/HMCLCore/src/main/java/org/jackhuang/hmcl/util/FileUtils.java b/HMCLCore/src/main/java/org/jackhuang/hmcl/util/FileUtils.java
index 92ea8bfd3..e48f22120 100644
--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/util/FileUtils.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/util/FileUtils.java
@@ -236,7 +236,12 @@ public final class FileUtils {
         doCopyFile(srcFile, destFile);
     }
 
-    public static void doCopyFile(File srcFile, File destFile)
+    public static void cutFile(File srcFile, File destFile) throws IOException {
+        copyFile(srcFile, destFile);
+        srcFile.delete();
+    }
+
+    private static void doCopyFile(File srcFile, File destFile)
             throws IOException {
         Files.copy(srcFile.toPath(), destFile.toPath(), StandardCopyOption.COPY_ATTRIBUTES, StandardCopyOption.REPLACE_EXISTING);
     }