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[browser][io] Workaround for issue MoveDirectory #40310

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Aug 4, 2020
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[browser][io] Workaround for issue MoveDirectory #40310

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[browser][io] Workaround for issue MoveDirectory
kjpou1 Aug 4, 2020
04981ba
Update src/libraries/System.IO.FileSystem/src/System/IO/FileSystem.Un…
kjpou1 Aug 4, 2020
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13 changes: 13 additions & 0 deletions src/libraries/System.IO.FileSystem/src/System/IO/FileSystem.Unix.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -381,6 +381,19 @@ public static void MoveDirectory(string sourceFullPath, string destFullPath)
throw new IOException(SR.Format(SR.IO_AlreadyExists_Name, destFullPath));
}

#if TARGET_BROWSER
// renaming a file doesn't return correct error code on emscripten if one of the parent paths does not exist,
// manually workaround it for now (https://github.com/dotnet/runtime/issues/40305)
if (!Directory.Exists(Path.GetDirectoryName(sourceFullPath)))
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{
throw new DirectoryNotFoundException(SR.Format(SR.IO_PathNotFound_Path, sourceFullPath));
}
if (!Directory.Exists(Path.GetDirectoryName(destFullPath)))
{
throw new DirectoryNotFoundException(SR.Format(SR.IO_PathNotFound_Path, destFullPath));
}
#endif

if (Interop.Sys.Rename(sourceFullPath, destFullPath) < 0)
{
Interop.ErrorInfo errorInfo = Interop.Sys.GetLastErrorInfo();
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