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Skip copying documentation file when target already exists #75

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merged 2 commits into from
Jan 3, 2020
Merged

Skip copying documentation file when target already exists #75

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fe47e42
Skip copying documentation file when target already exists
jnm2 Jan 3, 2020
890b117
Avoid letting an exception be thrown when possible
jnm2 Jan 3, 2020
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9 changes: 8 additions & 1 deletion TunnelVisionLabs.ReferenceAssemblyAnnotator/AnnotatorBuildTask.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -104,7 +104,14 @@ public override bool Execute()
string targetDocumentation = Path.ChangeExtension(outputAssembly, ".xml");
if (File.Exists(sourceDocumentation))
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{
File.Copy(sourceDocumentation, targetDocumentation);
try
{
File.Copy(sourceDocumentation, targetDocumentation);
}
catch (IOException ex) when ((WindowsErrorCode)ex.HResult == WindowsErrorCode.FileExists)
{
}

GeneratedDocumentationFiles = new[] { new TaskItem(targetDocumentation) };
}
else
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13 changes: 13 additions & 0 deletions TunnelVisionLabs.ReferenceAssemblyAnnotator/WindowsErrorCode.cs
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Original file line number Diff line number Diff line change
@@ -0,0 +1,13 @@
// Copyright (c) Tunnel Vision Laboratories, LLC. All Rights Reserved.
// Licensed under the MIT License. See LICENSE in the project root for license information.

namespace TunnelVisionLabs.ReferenceAssemblyAnnotator
{
internal enum WindowsErrorCode : ushort
{
/// <summary>
/// https://docs.microsoft.com/en-us/windows/win32/debug/system-error-codes--0-499-#error_file_exists
/// </summary>
FileExists = 80,
}
}