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C#: Opt out of dotnet CLI telemetry #21566

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redsun82 merged 1 commit into from
Mar 25, 2026
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C#: Opt out of dotnet CLI telemetry #21566

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6 changes: 4 additions & 2 deletions csharp/extractor/Semmle.Extraction.CSharp.DependencyFetching/IDotNetCliInvoker.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -12,16 +12,18 @@ internal interface IDotNetCliInvoker

/// <summary>
/// A minimal environment for running the .NET CLI.
///
///
/// DOTNET_CLI_UI_LANGUAGE: The .NET CLI language is set to English to avoid localized output.
/// MSBUILDDISABLENODEREUSE: To ensure clean environment for each build.
/// DOTNET_SKIP_FIRST_TIME_EXPERIENCE: To skip first time experience messages.
/// DOTNET_CLI_TELEMETRY_OPTOUT: To skip any dotnet telemetry: it's unnecessary and can even cause issues.
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Copilot AI Mar 24, 2026

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Doc comment wording is a bit awkward (double colon). Consider rephrasing to something like “To opt out of .NET CLI telemetry; it’s unnecessary and can cause issues.”

Suggested change
/// DOTNET_CLI_TELEMETRY_OPTOUT: To skip any dotnet telemetry: it's unnecessary and can even cause issues.
/// DOTNET_CLI_TELEMETRY_OPTOUT: Opts out of .NET CLI telemetry, which is unnecessary and can cause issues.

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/// </summary>
static ReadOnlyDictionary<string, string> MinimalEnvironment { get; } = new(new Dictionary<string, string>
{
{"DOTNET_CLI_UI_LANGUAGE", "en"},
{"MSBUILDDISABLENODEREUSE", "1"},
{"DOTNET_SKIP_FIRST_TIME_EXPERIENCE", "true"}
{"DOTNET_SKIP_FIRST_TIME_EXPERIENCE", "true"},
{"DOTNET_CLI_TELEMETRY_OPTOUT", "1"}
});

/// <summary>
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