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Handle empty string returned from Environment.GetFolderPath #51854

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Handle empty string returned from Environment.GetFolderPath #51854

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6af9812
Handle empty string returned from Environment.GetFolderPath
jjonescz Nov 21, 2025
0ddbb25
Improve error message
jjonescz Nov 21, 2025
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5 changes: 5 additions & 0 deletions src/Cli/dotnet/Commands/Run/VirtualProjectBuildingCommand.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -1132,6 +1132,11 @@ public static string GetTempSubdirectory()
? Path.GetTempPath()
: Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData);

if (string.IsNullOrEmpty(directory))
{
throw new InvalidOperationException("Unexpected empty temp path.");
}

return Path.Join(directory, "dotnet", "runfile");
}

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