UserEnvironmentInformation.cs

using System;
using System.Runtime.InteropServices;
using System.Text;
using System.Windows.Forms;
using GitCommands;

namespace GitUI
{
    public sealed class UserEnvironmentInformation
    {
        private static bool _alreadySet;
        private static bool _dirty;
        private static string _sha;

        public static void CopyInformation() => Clipboard.SetText(GetInformation());

        public static string GetInformation()
        {
            if (!_alreadySet)
            {
                throw new InvalidOperationException($"{nameof(Initialise)} must be called first");
            }

            string gitVer;
            try
            {
                gitVer = GitVersion.Current?.Full ?? "";
            }
            catch (Exception)
            {
                gitVer = "";
            }

            // Build and open FormAbout design to make sure info still looks good if you change this code.
            StringBuilder sb = new StringBuilder();

            sb.Append($"- Git Extensions {AppSettings.ProductVersion}{Environment.NewLine}");
            sb.Append($"- {_sha} {(_dirty ? " (Dirty)" : "")}{Environment.NewLine}");
            sb.Append($"- Git {gitVer}{Environment.NewLine}");
            sb.Append($"- {Environment.OSVersion}{Environment.NewLine}");
            sb.Append($"- {RuntimeInformation.FrameworkDescription}");
            return sb.ToString();
        }

        public static void Initialise(string sha, bool isDirty)
        {
            if (_alreadySet)
            {
                return;
            }

            _alreadySet = true;
            _sha = sha;
            _dirty = isDirty;
        }
    }
}