PushRevision.cs

using System;
using System.Threading;
using System.Threading.Tasks;

namespace SourceGit.ViewModels
{
    public class PushRevision : Popup
    {
        public Models.Commit Revision
        {
            get;
        }

        public Models.Branch RemoteBranch
        {
            get;
        }

        public bool Force
        {
            get;
            set;
        }

        public PushRevision(Repository repo, Models.Commit revision, Models.Branch remoteBranch)
        {
            _repo = repo;
            Revision = revision;
            RemoteBranch = remoteBranch;
            Force = false;
            CanTerminate = true;
        }

        public override async Task<bool> Sure()
        {
            using var lockWatcher = _repo.LockWatcher();
            ProgressDescription = $"Push {Revision.SHA.AsSpan(0, 10)} -> {RemoteBranch.FriendlyName} ...";

            var log = _repo.CreateLog("Push Revision");
            Use(log);

            _cancellation = new CancellationTokenSource();
            var token = _cancellation.Token;

            var remote = _repo.Remotes.Find(x => x.Name.Equals(RemoteBranch.Name, StringComparison.Ordinal));
            var succ = await new Commands.Push(
                _repo.FullPath,
                Revision,
                remote,
                RemoteBranch,
                Force).WithCancellation(token).Use(log).ExecAsync();

            log.Complete();

            _cancellation = null;
            return succ;
        }

        public override void Terminate()
        {
            // Just fire cancel event and UI will auto wait the `Sure` complete
            var _ = _cancellation?.CancelAsync();
        }

        private readonly Repository _repo;
        private CancellationTokenSource _cancellation = null;
    }
}