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Fix MoveFile on Windows if using proxy file on different drive

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This commit is contained in:
Wojtek Figat
2020-12-29 21:00:23 +01:00
parent de70ac3e36
commit 45e86f7591
1 changed files with 3 additions and 10 deletions
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13
Source/Engine/Platform/Win32/Win32FileSystem.cpp
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@@ -197,21 +197,14 @@ bool Win32FileSystem::SetReadOnly(const StringView& path, bool isReadOnly)
bool Win32FileSystem::MoveFile(const StringView& dst, const StringView& src, bool overwrite)
{
DWORD flags = overwrite ? MOVEFILE_REPLACE_EXISTING : 0;
const DWORD flags = MOVEFILE_COPY_ALLOWED | (overwrite ? MOVEFILE_REPLACE_EXISTING : 0);
// Allow to copy files, needed in cases when Temp folder is
// located on different volume (eg.: Temp is on C:\ and Project in on D:\)
flags |= MOVEFILE_COPY_ALLOWED;
// If paths are almost the same but some characters have different case we need to use proxy file
// If paths are almost the same but some characters have different case we need to use a proxy file
if (StringUtils::CompareIgnoreCase(*dst, *src) == 0)
{
// Get temporary file path
String tmp;
GetTempFilePath(tmp);
// Move file
return MoveFileExW(*src, *tmp, MOVEFILE_REPLACE_EXISTING) == 0 || MoveFileExW(*tmp, *dst, flags) == 0;
return MoveFileExW(*src, *tmp, MOVEFILE_COPY_ALLOWED | MOVEFILE_REPLACE_EXISTING) == 0 || MoveFileExW(*tmp, *dst, flags) == 0;
}
return MoveFileExW(*src, *dst, flags) == 0;