Repository.cs

using System;
using System.Collections.Generic;
using System.IO;
using System.Text;
using System.Text.Json;
using System.Threading;
using System.Threading.Tasks;

using Avalonia.Collections;
using Avalonia.Controls;
using Avalonia.Media;
using Avalonia.Media.Imaging;
using Avalonia.Threading;

using CommunityToolkit.Mvvm.ComponentModel;

namespace SourceGit.ViewModels
{
    public class Repository : ObservableObject, Models.IRepository
    {
        public bool IsBare
        {
            get;
        }

        public string FullPath
        {
            get => _fullpath;
            set
            {
                if (value != null)
                {
                    var normalized = value.Replace('\\', '/');
                    SetProperty(ref _fullpath, normalized);
                }
                else
                {
                    SetProperty(ref _fullpath, null);
                }
            }
        }

        public string GitDir
        {
            get => _gitDir;
            set => SetProperty(ref _gitDir, value);
        }

        public Models.RepositorySettings Settings
        {
            get => _settings;
        }

        public Models.FilterMode HistoriesFilterMode
        {
            get => _historiesFilterMode;
            private set => SetProperty(ref _historiesFilterMode, value);
        }

        public bool HasAllowedSignersFile
        {
            get => _hasAllowedSignersFile;
        }

        public int SelectedViewIndex
        {
            get => _selectedViewIndex;
            set
            {
                if (SetProperty(ref _selectedViewIndex, value))
                {
                    switch (value)
                    {
                        case 1:
                            SelectedView = _workingCopy;
                            break;
                        case 2:
                            SelectedView = _stashesPage;
                            break;
                        default:
                            SelectedView = _histories;
                            break;
                    }
                }
            }
        }

        public object SelectedView
        {
            get => _selectedView;
            set => SetProperty(ref _selectedView, value);
        }

        public bool EnableReflog
        {
            get => _settings.EnableReflog;
            set
            {
                if (value != _settings.EnableReflog)
                {
                    _settings.EnableReflog = value;
                    OnPropertyChanged();
                    Task.Run(RefreshCommits);
                }
            }
        }

        public bool EnableFirstParentInHistories
        {
            get => _settings.EnableFirstParentInHistories;
            set
            {
                if (value != _settings.EnableFirstParentInHistories)
                {
                    _settings.EnableFirstParentInHistories = value;
                    OnPropertyChanged();
                    Task.Run(RefreshCommits);
                }
            }
        }

        public bool OnlyHighlightCurrentBranchInHistories
        {
            get => _settings.OnlyHighlighCurrentBranchInHistories;
            set
            {
                if (value != _settings.OnlyHighlighCurrentBranchInHistories)
                {
                    _settings.OnlyHighlighCurrentBranchInHistories = value;
                    OnPropertyChanged();
                }
            }
        }

        public string Filter
        {
            get => _filter;
            set
            {
                if (SetProperty(ref _filter, value))
                {
                    var builder = BuildBranchTree(_branches, _remotes);
                    LocalBranchTrees = builder.Locals;
                    RemoteBranchTrees = builder.Remotes;
                    VisibleTags = BuildVisibleTags();
                    VisibleSubmodules = BuildVisibleSubmodules();
                }
            }
        }

        public List<Models.Remote> Remotes
        {
            get => _remotes;
            private set => SetProperty(ref _remotes, value);
        }

        public List<Models.Branch> Branches
        {
            get => _branches;
            private set => SetProperty(ref _branches, value);
        }

        public Models.Branch CurrentBranch
        {
            get => _currentBranch;
            private set
            {
                var oldHead = _currentBranch?.Head;
                if (SetProperty(ref _currentBranch, value))
                {
                    if (oldHead != _currentBranch.Head && _workingCopy is { UseAmend: true })
                        _workingCopy.UseAmend = false;
                }
            }
        }

        public List<BranchTreeNode> LocalBranchTrees
        {
            get => _localBranchTrees;
            private set => SetProperty(ref _localBranchTrees, value);
        }

        public List<BranchTreeNode> RemoteBranchTrees
        {
            get => _remoteBranchTrees;
            private set => SetProperty(ref _remoteBranchTrees, value);
        }

        public List<Models.Worktree> Worktrees
        {
            get => _worktrees;
            private set => SetProperty(ref _worktrees, value);
        }

        public List<Models.Tag> Tags
        {
            get => _tags;
            private set => SetProperty(ref _tags, value);
        }

        public bool ShowTagsAsTree
        {
            get => Preferences.Instance.ShowTagsAsTree;
            set
            {
                if (value != Preferences.Instance.ShowTagsAsTree)
                {
                    Preferences.Instance.ShowTagsAsTree = value;
                    VisibleTags = BuildVisibleTags();
                    OnPropertyChanged();
                }
            }
        }

        public object VisibleTags
        {
            get => _visibleTags;
            private set => SetProperty(ref _visibleTags, value);
        }

        public List<Models.Submodule> Submodules
        {
            get => _submodules;
            private set => SetProperty(ref _submodules, value);
        }

        public bool ShowSubmodulesAsTree
        {
            get => Preferences.Instance.ShowSubmodulesAsTree;
            set
            {
                if (value != Preferences.Instance.ShowSubmodulesAsTree)
                {
                    Preferences.Instance.ShowSubmodulesAsTree = value;
                    VisibleSubmodules = BuildVisibleSubmodules();
                    OnPropertyChanged();
                }
            }
        }

        public object VisibleSubmodules
        {
            get => _visibleSubmodules;
            private set => SetProperty(ref _visibleSubmodules, value);
        }

        public int LocalChangesCount
        {
            get => _localChangesCount;
            private set => SetProperty(ref _localChangesCount, value);
        }

        public int StashesCount
        {
            get => _stashesCount;
            private set => SetProperty(ref _stashesCount, value);
        }

        public int LocalBranchesCount
        {
            get => _localBranchesCount;
            private set => SetProperty(ref _localBranchesCount, value);
        }

        public bool IncludeUntracked
        {
            get => _settings.IncludeUntrackedInLocalChanges;
            set
            {
                if (value != _settings.IncludeUntrackedInLocalChanges)
                {
                    _settings.IncludeUntrackedInLocalChanges = value;
                    OnPropertyChanged();
                    Task.Run(RefreshWorkingCopyChanges);
                }
            }
        }

        public bool IsSearching
        {
            get => _isSearching;
            set
            {
                if (SetProperty(ref _isSearching, value))
                {
                    if (value)
                    {
                        SelectedViewIndex = 0;
                        CalcWorktreeFilesForSearching();
                    }
                    else
                    {
                        SearchedCommits = new List<Models.Commit>();
                        SelectedSearchedCommit = null;
                        SearchCommitFilter = string.Empty;
                        MatchedFilesForSearching = null;
                        _worktreeFiles = null;
                    }
                }
            }
        }

        public bool IsSearchLoadingVisible
        {
            get => _isSearchLoadingVisible;
            private set => SetProperty(ref _isSearchLoadingVisible, value);
        }

        public bool OnlySearchCommitsInCurrentBranch
        {
            get => _onlySearchCommitsInCurrentBranch;
            set
            {
                if (SetProperty(ref _onlySearchCommitsInCurrentBranch, value) && !string.IsNullOrEmpty(_searchCommitFilter))
                    StartSearchCommits();
            }
        }

        public int SearchCommitFilterType
        {
            get => _searchCommitFilterType;
            set
            {
                if (SetProperty(ref _searchCommitFilterType, value))
                {
                    CalcWorktreeFilesForSearching();
                    if (!string.IsNullOrEmpty(_searchCommitFilter))
                        StartSearchCommits();
                }
            }
        }

        public string SearchCommitFilter
        {
            get => _searchCommitFilter;
            set
            {
                if (SetProperty(ref _searchCommitFilter, value) && IsSearchingCommitsByFilePath())
                    CalcMatchedFilesForSearching();
            }
        }

        public List<string> MatchedFilesForSearching
        {
            get => _matchedFilesForSearching;
            private set => SetProperty(ref _matchedFilesForSearching, value);
        }

        public List<Models.Commit> SearchedCommits
        {
            get => _searchedCommits;
            set => SetProperty(ref _searchedCommits, value);
        }

        public Models.Commit SelectedSearchedCommit
        {
            get => _selectedSearchedCommit;
            set
            {
                if (SetProperty(ref _selectedSearchedCommit, value) && value != null)
                    NavigateToCommit(value.SHA);
            }
        }

        public bool IsLocalBranchGroupExpanded
        {
            get => _settings.IsLocalBranchesExpandedInSideBar;
            set
            {
                if (value != _settings.IsLocalBranchesExpandedInSideBar)
                {
                    _settings.IsLocalBranchesExpandedInSideBar = value;
                    OnPropertyChanged();
                }
            }
        }

        public bool IsRemoteGroupExpanded
        {
            get => _settings.IsRemotesExpandedInSideBar;
            set
            {
                if (value != _settings.IsRemotesExpandedInSideBar)
                {
                    _settings.IsRemotesExpandedInSideBar = value;
                    OnPropertyChanged();
                }
            }
        }

        public bool IsTagGroupExpanded
        {
            get => _settings.IsTagsExpandedInSideBar;
            set
            {
                if (value != _settings.IsTagsExpandedInSideBar)
                {
                    _settings.IsTagsExpandedInSideBar = value;
                    OnPropertyChanged();
                }
            }
        }

        public bool IsSubmoduleGroupExpanded
        {
            get => _settings.IsSubmodulesExpandedInSideBar;
            set
            {
                if (value != _settings.IsSubmodulesExpandedInSideBar)
                {
                    _settings.IsSubmodulesExpandedInSideBar = value;
                    OnPropertyChanged();
                }
            }
        }

        public bool IsWorktreeGroupExpanded
        {
            get => _settings.IsWorktreeExpandedInSideBar;
            set
            {
                if (value != _settings.IsWorktreeExpandedInSideBar)
                {
                    _settings.IsWorktreeExpandedInSideBar = value;
                    OnPropertyChanged();
                }
            }
        }

        public InProgressContext InProgressContext
        {
            get => _workingCopy?.InProgressContext;
        }

        public Models.BisectState BisectState
        {
            get => _bisectState;
            private set => SetProperty(ref _bisectState, value);
        }

        public bool IsBisectCommandRunning
        {
            get => _isBisectCommandRunning;
            private set => SetProperty(ref _isBisectCommandRunning, value);
        }

        public bool IsAutoFetching
        {
            get => _isAutoFetching;
            private set => SetProperty(ref _isAutoFetching, value);
        }

        public int CommitDetailActivePageIndex
        {
            get;
            set;
        } = 0;

        public AvaloniaList<CommandLog> Logs
        {
            get;
            private set;
        } = new AvaloniaList<CommandLog>();

        public Repository(bool isBare, string path, string gitDir)
        {
            IsBare = isBare;
            FullPath = path;
            GitDir = gitDir;
        }

        public void Open()
        {
            var settingsFile = Path.Combine(_gitDir, "sourcegit.settings");
            if (File.Exists(settingsFile))
            {
                try
                {
                    _settings = JsonSerializer.Deserialize(File.ReadAllText(settingsFile), JsonCodeGen.Default.RepositorySettings);
                }
                catch
                {
                    _settings = new Models.RepositorySettings();
                }
            }
            else
            {
                _settings = new Models.RepositorySettings();
            }

            try
            {
                // For worktrees, we need to watch the $GIT_COMMON_DIR instead of the $GIT_DIR.
                var gitDirForWatcher = _gitDir;
                if (_gitDir.Replace("\\", "/").IndexOf("/worktrees/", StringComparison.Ordinal) > 0)
                {
                    var commonDir = new Commands.QueryGitCommonDir(_fullpath).Result();
                    if (!string.IsNullOrEmpty(commonDir))
                        gitDirForWatcher = commonDir;
                }

                _watcher = new Models.Watcher(this, _fullpath, gitDirForWatcher);
            }
            catch (Exception ex)
            {
                App.RaiseException(string.Empty, $"Failed to start watcher for repository: '{_fullpath}'. You may need to press 'F5' to refresh repository manually!\n\nReason: {ex.Message}");
            }

            if (_settings.HistoriesFilters.Count > 0)
                _historiesFilterMode = _settings.HistoriesFilters[0].Mode;
            else
                _historiesFilterMode = Models.FilterMode.None;

            _histories = new Histories(this);
            _workingCopy = new WorkingCopy(this);
            _stashesPage = new StashesPage(this);
            _selectedView = _histories;
            _selectedViewIndex = 0;

            _workingCopy.CommitMessage = _settings.LastCommitMessage;
            _autoFetchTimer = new Timer(AutoFetchImpl, null, 5000, 5000);
            RefreshAll();
        }

        public void Close()
        {
            SelectedView = null; // Do NOT modify. Used to remove exists widgets for GC.Collect
            Logs.Clear();

            _settings.LastCommitMessage = _workingCopy.CommitMessage;

            var settingsSerialized = JsonSerializer.Serialize(_settings, JsonCodeGen.Default.RepositorySettings);
            try
            {
                File.WriteAllText(Path.Combine(_gitDir, "sourcegit.settings"), settingsSerialized);
            }
            catch
            {
                // Ignore
            }
            _autoFetchTimer.Dispose();
            _autoFetchTimer = null;

            _settings = null;
            _historiesFilterMode = Models.FilterMode.None;

            _watcher?.Dispose();
            _histories.Cleanup();
            _workingCopy.Cleanup();
            _stashesPage.Cleanup();

            _watcher = null;
            _histories = null;
            _workingCopy = null;
            _stashesPage = null;

            _localChangesCount = 0;
            _stashesCount = 0;

            _remotes.Clear();
            _branches.Clear();
            _localBranchTrees.Clear();
            _remoteBranchTrees.Clear();
            _tags.Clear();
            _visibleTags = null;
            _submodules.Clear();
            _visibleSubmodules = null;
            _searchedCommits.Clear();
            _selectedSearchedCommit = null;

            _worktreeFiles = null;
            _matchedFilesForSearching = null;
        }

        public bool CanCreatePopup()
        {
            var page = GetOwnerPage();
            if (page == null)
                return false;

            return !_isAutoFetching && page.CanCreatePopup();
        }

        public void ShowPopup(Popup popup)
        {
            var page = GetOwnerPage();
            if (page != null)
                page.Popup = popup;
        }

        public void ShowAndStartPopup(Popup popup)
        {
            GetOwnerPage()?.StartPopup(popup);
        }

        public CommandLog CreateLog(string name)
        {
            var log = new CommandLog(name);
            Logs.Insert(0, log);
            return log;
        }

        public void RefreshAll()
        {
            Task.Run(() =>
            {
                var allowedSignersFile = new Commands.Config(_fullpath).Get("gpg.ssh.allowedSignersFile");
                _hasAllowedSignersFile = !string.IsNullOrEmpty(allowedSignersFile);
            });

            Task.Run(RefreshBranches);
            Task.Run(RefreshTags);
            Task.Run(RefreshCommits);
            Task.Run(RefreshSubmodules);
            Task.Run(RefreshWorktrees);
            Task.Run(RefreshWorkingCopyChanges);
            Task.Run(RefreshStashes);
        }

        public ContextMenu CreateContextMenuForExternalTools()
        {
            var menu = new ContextMenu();
            menu.Placement = PlacementMode.BottomEdgeAlignedLeft;

            RenderOptions.SetBitmapInterpolationMode(menu, BitmapInterpolationMode.HighQuality);
            RenderOptions.SetEdgeMode(menu, EdgeMode.Antialias);
            RenderOptions.SetTextRenderingMode(menu, TextRenderingMode.Antialias);

            var explore = new MenuItem();
            explore.Header = App.Text("Repository.Explore");
            explore.Icon = App.CreateMenuIcon("Icons.Explore");
            explore.Click += (_, e) =>
            {
                Native.OS.OpenInFileManager(_fullpath);
                e.Handled = true;
            };

            var terminal = new MenuItem();
            terminal.Header = App.Text("Repository.Terminal");
            terminal.Icon = App.CreateMenuIcon("Icons.Terminal");
            terminal.Click += (_, e) =>
            {
                Native.OS.OpenTerminal(_fullpath);
                e.Handled = true;
            };

            menu.Items.Add(explore);
            menu.Items.Add(terminal);

            var tools = Native.OS.ExternalTools;
            if (tools.Count > 0)
            {
                menu.Items.Add(new MenuItem() { Header = "-" });

                foreach (var tool in Native.OS.ExternalTools)
                {
                    var dupTool = tool;

                    var item = new MenuItem();
                    item.Header = App.Text("Repository.OpenIn", dupTool.Name);
                    item.Icon = new Image { Width = 16, Height = 16, Source = dupTool.IconImage };
                    item.Click += (_, e) =>
                    {
                        dupTool.Open(_fullpath);
                        e.Handled = true;
                    };

                    menu.Items.Add(item);
                }
            }

            var urls = new Dictionary<string, string>();
            foreach (var r in _remotes)
            {
                if (r.TryGetVisitURL(out var visit))
                    urls.Add(r.Name, visit);
            }

            if (urls.Count > 0)
            {
                menu.Items.Add(new MenuItem() { Header = "-" });

                foreach (var url in urls)
                {
                    var name = url.Key;
                    var addr = url.Value;

                    var item = new MenuItem();
                    item.Header = App.Text("Repository.Visit", name);
                    item.Icon = App.CreateMenuIcon("Icons.Remotes");
                    item.Click += (_, e) =>
                    {
                        Native.OS.OpenBrowser(addr);
                        e.Handled = true;
                    };

                    menu.Items.Add(item);
                }
            }

            return menu;
        }

        public void Fetch(bool autoStart)
        {
            if (!CanCreatePopup())
                return;

            if (_remotes.Count == 0)
            {
                App.RaiseException(_fullpath, "No remotes added to this repository!!!");
                return;
            }

            if (autoStart)
                ShowAndStartPopup(new Fetch(this));
            else
                ShowPopup(new Fetch(this));
        }

        public void Pull(bool autoStart)
        {
            if (!CanCreatePopup())
                return;

            if (_remotes.Count == 0)
            {
                App.RaiseException(_fullpath, "No remotes added to this repository!!!");
                return;
            }

            if (_currentBranch == null)
            {
                App.RaiseException(_fullpath, "Can NOT found current branch!!!");
                return;
            }

            var pull = new Pull(this, null);
            if (autoStart && pull.SelectedBranch != null)
                ShowAndStartPopup(pull);
            else
                ShowPopup(pull);
        }

        public void Push(bool autoStart)
        {
            if (!CanCreatePopup())
                return;

            if (_remotes.Count == 0)
            {
                App.RaiseException(_fullpath, "No remotes added to this repository!!!");
                return;
            }

            if (_currentBranch == null)
            {
                App.RaiseException(_fullpath, "Can NOT found current branch!!!");
                return;
            }

            if (autoStart)
                ShowAndStartPopup(new Push(this, null));
            else
                ShowPopup(new Push(this, null));
        }

        public void ApplyPatch()
        {
            if (!CanCreatePopup())
                return;
            ShowPopup(new Apply(this));
        }

        public void Cleanup()
        {
            if (!CanCreatePopup())
                return;
            ShowAndStartPopup(new Cleanup(this));
        }

        public void ClearFilter()
        {
            Filter = string.Empty;
        }

        public void ClearSearchCommitFilter()
        {
            SearchCommitFilter = string.Empty;
        }

        public void ClearMatchedFilesForSearching()
        {
            MatchedFilesForSearching = null;
        }

        public void StartSearchCommits()
        {
            if (_histories == null)
                return;

            IsSearchLoadingVisible = true;
            SelectedSearchedCommit = null;
            MatchedFilesForSearching = null;

            Task.Run(() =>
            {
                var visible = null as List<Models.Commit>;
                var method = (Models.CommitSearchMethod)_searchCommitFilterType;

                if (method == Models.CommitSearchMethod.BySHA)
                {
                    var commit = new Commands.QuerySingleCommit(_fullpath, _searchCommitFilter).Result();
                    visible = commit == null ? [] : [commit];
                }
                else
                {
                    visible = new Commands.QueryCommits(_fullpath, _searchCommitFilter, method, _onlySearchCommitsInCurrentBranch).Result();
                }

                Dispatcher.UIThread.Invoke(() =>
                {
                    SearchedCommits = visible;
                    IsSearchLoadingVisible = false;
                });
            });
        }

        public void SetWatcherEnabled(bool enabled)
        {
            _watcher?.SetEnabled(enabled);
        }

        public void MarkBranchesDirtyManually()
        {
            if (_watcher == null)
            {
                Task.Run(RefreshBranches);
                Task.Run(RefreshCommits);
                Task.Run(RefreshWorkingCopyChanges);
                Task.Run(RefreshWorktrees);
            }
            else
            {
                _watcher.MarkBranchDirtyManually();
            }
        }

        public void MarkTagsDirtyManually()
        {
            if (_watcher == null)
            {
                Task.Run(RefreshTags);
                Task.Run(RefreshCommits);
            }
            else
            {
                _watcher.MarkTagDirtyManually();
            }
        }

        public void MarkWorkingCopyDirtyManually()
        {
            if (_watcher == null)
                Task.Run(RefreshWorkingCopyChanges);
            else
                _watcher.MarkWorkingCopyDirtyManually();
        }

        public void MarkFetched()
        {
            _lastFetchTime = DateTime.Now;
        }

        public void NavigateToCommit(string sha)
        {
            if (_histories != null)
            {
                SelectedViewIndex = 0;
                _histories.NavigateTo(sha);
            }
        }

        public void NavigateToCurrentHead()
        {
            if (_currentBranch != null)
                NavigateToCommit(_currentBranch.Head);
        }

        public void NavigateToBranchDelayed(string branch)
        {
            _navigateToBranchDelayed = branch;
        }

        public void ClearHistoriesFilter()
        {
            _settings.HistoriesFilters.Clear();
            HistoriesFilterMode = Models.FilterMode.None;

            ResetBranchTreeFilterMode(LocalBranchTrees);
            ResetBranchTreeFilterMode(RemoteBranchTrees);
            ResetTagFilterMode();
            Task.Run(RefreshCommits);
        }

        public void RemoveHistoriesFilter(Models.Filter filter)
        {
            if (_settings.HistoriesFilters.Remove(filter))
            {
                HistoriesFilterMode = _settings.HistoriesFilters.Count > 0 ? _settings.HistoriesFilters[0].Mode : Models.FilterMode.None;
                RefreshHistoriesFilters(true);
            }
        }

        public void UpdateBranchNodeIsExpanded(BranchTreeNode node)
        {
            if (_settings == null || !string.IsNullOrWhiteSpace(_filter))
                return;

            if (node.IsExpanded)
            {
                if (!_settings.ExpandedBranchNodesInSideBar.Contains(node.Path))
                    _settings.ExpandedBranchNodesInSideBar.Add(node.Path);
            }
            else
            {
                _settings.ExpandedBranchNodesInSideBar.Remove(node.Path);
            }
        }

        public void SetTagFilterMode(Models.Tag tag, Models.FilterMode mode)
        {
            var changed = _settings.UpdateHistoriesFilter(tag.Name, Models.FilterType.Tag, mode);
            if (changed)
                RefreshHistoriesFilters(true);
        }

        public void SetBranchFilterMode(Models.Branch branch, Models.FilterMode mode, bool clearExists, bool refresh)
        {
            var node = FindBranchNode(branch.IsLocal ? _localBranchTrees : _remoteBranchTrees, branch.FullName);
            if (node != null)
                SetBranchFilterMode(node, mode, clearExists, refresh);
        }

        public void SetBranchFilterMode(BranchTreeNode node, Models.FilterMode mode, bool clearExists, bool refresh)
        {
            var isLocal = node.Path.StartsWith("refs/heads/", StringComparison.Ordinal);
            var tree = isLocal ? _localBranchTrees : _remoteBranchTrees;

            if (clearExists)
            {
                _settings.HistoriesFilters.Clear();
                HistoriesFilterMode = Models.FilterMode.None;
            }

            if (node.Backend is Models.Branch branch)
            {
                var type = isLocal ? Models.FilterType.LocalBranch : Models.FilterType.RemoteBranch;
                var changed = _settings.UpdateHistoriesFilter(node.Path, type, mode);
                if (!changed)
                    return;

                if (isLocal && !string.IsNullOrEmpty(branch.Upstream) && !branch.IsUpstreamGone)
                    _settings.UpdateHistoriesFilter(branch.Upstream, Models.FilterType.RemoteBranch, mode);
            }
            else
            {
                var type = isLocal ? Models.FilterType.LocalBranchFolder : Models.FilterType.RemoteBranchFolder;
                var changed = _settings.UpdateHistoriesFilter(node.Path, type, mode);
                if (!changed)
                    return;

                _settings.RemoveChildrenBranchFilters(node.Path);
            }

            var parentType = isLocal ? Models.FilterType.LocalBranchFolder : Models.FilterType.RemoteBranchFolder;
            var cur = node;
            do
            {
                var lastSepIdx = cur.Path.LastIndexOf('/');
                if (lastSepIdx <= 0)
                    break;

                var parentPath = cur.Path.Substring(0, lastSepIdx);
                var parent = FindBranchNode(tree, parentPath);
                if (parent == null)
                    break;

                _settings.UpdateHistoriesFilter(parent.Path, parentType, Models.FilterMode.None);
                cur = parent;
            } while (true);

            RefreshHistoriesFilters(refresh);
        }

        public void StashAll(bool autoStart)
        {
            _workingCopy?.StashAll(autoStart);
        }