Reset.cs

using System.Threading.Tasks;

namespace SourceGit.ViewModels
{
    public class Reset : Popup
    {
        public Models.Branch Current
        {
            get;
        }

        public Models.Commit To
        {
            get;
        }

        public Models.ResetMode SelectedMode
        {
            get;
            set;
        }

        public Reset(Repository repo, Models.Branch current, Models.Commit to)
        {
            _repo = repo;
            Current = current;
            To = to;
            SelectedMode = Models.ResetMode.Supported[1];
        }

        public override Task<bool> Sure()
        {
            _repo.SetWatcherEnabled(false);
            ProgressDescription = $"Reset current branch to {To.SHA} ...";

            var log = _repo.CreateLog($"Reset HEAD to '{To.SHA}'");
            Use(log);

            return Task.Run(() =>
            {
                var succ = new Commands.Reset(_repo.FullPath, To.SHA, SelectedMode.Arg).Use(log).Exec();
                log.Complete();
                CallUIThread(() => _repo.SetWatcherEnabled(true));
                return succ;
            });
        }

        private readonly Repository _repo = null;
    }
}