aspnetcore/eng/tools/RepoTasks/GenerateGuid.cs

// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.

using System;
using System.Linq;
using Microsoft.Build.Framework;
using Microsoft.Build.Utilities;

namespace RepoTasks;

public class GenerateGuid : Microsoft.Build.Utilities.Task
{
    [Output]
    public string Guid { get; private set; }

    [Required]
    public string NamespaceGuid { get; set; }

    [Required]
    public ITaskItem[] Values { get; set; }

    public override bool Execute()
    {
        try
        {
            var value = string.Join(",", Values.Select(o => o.ItemSpec).ToArray()).ToLowerInvariant();

            Guid = Uuid.Create(new Guid(NamespaceGuid), value).ToString();
        }
        catch (Exception e)
        {
            Log.LogErrorFromException(e);
        }

        return !Log.HasLoggedErrors;
    }
}