Fix counter issue

src/Commands/QueryCommitChangedLines.cs

@@ -8,38 +8,38 @@ namespace SourceGit.Commands
         {
             WorkingDirectory = repo;
             Context = repo;
-            Args = $"show --numstat --oneline {sha}";
+            // Use shortstat for faster results, which is enough for our needs
+            Args = $"show --shortstat --oneline {sha}";
+            _pattern = new Regex(@"(\d+) files? changed(?:, (\d+) insertions?\(\+\))?(?:, (\d+) deletions?\(-\))?");
         }
 
         public (int, int) Result()
         {
             _addedLines = 0;
             _removedLines = 0;
-            _firstLine = true;
             Exec();
             return (_addedLines, _removedLines);
         }
 
         protected override void OnReadline(string line)
         {
-            if (_firstLine) {
-                _firstLine = false;
-                return;
-            }
-
-            var parts = Regex.Split(line, @"\s+");
-
-            if (parts.Length >= 2)
+            var match = _pattern.Match(line);
+            if (match.Success)
             {
-                bool canParseAdded = int.TryParse(parts[0], out int addedLines);
-                bool canParseRemoved = int.TryParse(parts[1], out int removedLines);
-                if (canParseAdded) _addedLines += addedLines;
-                if (canParseRemoved) _removedLines += removedLines;
+                if (match.Groups[2].Success)
+                {
+                    _addedLines = int.Parse(match.Groups[2].Value);
+                }
+                
+                if (match.Groups[3].Success)
+                {
+                    _removedLines = int.Parse(match.Groups[3].Value);
+                }
             }
         }
 
+        private readonly Regex _pattern;
         private int _addedLines;
         private int _removedLines;
-        private bool _firstLine;
     }
 }

src/Models/Commit.cs

@@ -1,5 +1,7 @@
 using System;
 using System.Collections.Generic;
+using System.ComponentModel;
+using System.Runtime.CompilerServices;
 
 using Avalonia;
 using Avalonia.Media;
@@ -13,8 +15,15 @@ namespace SourceGit.Models
         ByFile,
     }
 
-    public class Commit
+    public class Commit : INotifyPropertyChanged
     {
+        public event PropertyChangedEventHandler PropertyChanged;
+
+        protected void OnPropertyChanged([CallerMemberName] string propertyName = null)
+        {
+            PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
+        }
+
         public static double OpacityForNotMerged
         {
             get;
@@ -45,8 +54,34 @@ namespace SourceGit.Models
         public Thickness Margin { get; set; } = new Thickness(0);
         public IBrush Brush => CommitGraph.Pens[Color].Brush;
 
-        public int AddedLines { get; set; } = 0;
-        public int RemovedLines { get; set; } = 0;
+        private int _addedLines = 0;
+        private int _removedLines = 0;
+
+        public int AddedLines 
+        { 
+            get => _addedLines;
+            set
+            {
+                if (_addedLines != value)
+                {
+                    _addedLines = value;
+                    OnPropertyChanged();
+                }
+            }
+        }
+        
+        public int RemovedLines 
+        { 
+            get => _removedLines;
+            set
+            {
+                if (_removedLines != value)
+                {
+                    _removedLines = value;
+                    OnPropertyChanged();
+                }
+            }
+        }
 
         public void ParseDecorators(string data)
         {

src/ViewModels/CommitDetail.cs

@@ -581,7 +581,7 @@ namespace SourceGit.ViewModels
 
             menu.Items.Add(resetToThisRevision);
             menu.Items.Add(resetToFirstParent);
-            menu.Items.Add(new MenuItem() { Header = "-" });
+            menu.Items.Add(new MenuItem { Header = "-" });
 
             if (File.Exists(Path.Combine(fullPath)))
                 TryToAddContextMenuItemsForGitLFS(menu, file.Path);
@@ -629,21 +629,41 @@ namespace SourceGit.ViewModels
             if (_commit == null)
                 return;
 
+            // Load line count data immediately with higher priority
+            var sha = _commit.SHA;
+            
+            // Check if we already have the line count data cached
+            if (_lineCountCache.TryGetValue(sha, out var lineCount))
+            {
+                // Update immediately in the UI thread
+                _commit.AddedLines = lineCount.added;
+                _commit.RemovedLines = lineCount.removed;
+            }
+            else
+            {
+                // Start loading line count data with high priority
+                Task.Run(() =>
+                {
+                    (var addedLines, var removedLines) = new Commands.QueryCommitChangedLines(_repo.FullPath, sha).Result();
+                    _lineCountCache[sha] = (addedLines, removedLines);
+                    
+                    Dispatcher.UIThread.Invoke(() => {
+                        if (_commit != null && _commit.SHA == sha)
+                        {
+                            _commit.AddedLines = addedLines;
+                            _commit.RemovedLines = removedLines;
+                        }
+                    });
+                });
+            }
+
+            // Continue with other loading tasks...
             Task.Run(() =>
             {
                 var fullMessage = new Commands.QueryCommitFullMessage(_repo.FullPath, _commit.SHA).Result();
                 Dispatcher.UIThread.Invoke(() => FullMessage = fullMessage);
             });
 
-            Task.Run(() =>
-            {
-                (var addedLines, var removedLines) = new Commands.QueryCommitChangedLines(_repo.FullPath, _commit.SHA).Result();
-                Dispatcher.UIThread.Invoke(() => {
-                    _commit.AddedLines = addedLines;
-                    _commit.RemovedLines = removedLines;
-                });
-            });
-
             Task.Run(() =>
             {
                 var signInfo = new Commands.QueryCommitSignInfo(_repo.FullPath, _commit.SHA, !_repo.HasAllowedSignersFile).Result();
@@ -694,6 +714,25 @@ namespace SourceGit.ViewModels
             });
         }
 
+        // Add a method to preload line count data for visible commits
+        public void PreloadLineCountData(List<string> commitSHAs)
+        {
+            if (commitSHAs == null || commitSHAs.Count == 0)
+                return;
+                
+            Task.Run(() =>
+            {
+                foreach (var sha in commitSHAs)
+                {
+                    if (!_lineCountCache.ContainsKey(sha))
+                    {
+                        var (addedLines, removedLines) = new Commands.QueryCommitChangedLines(_repo.FullPath, sha).Result();
+                        _lineCountCache[sha] = (addedLines, removedLines);
+                    }
+                }
+            });
+        }
+
         private void RefreshVisibleChanges()
         {
             if (_changes == null)
@@ -841,5 +880,6 @@ namespace SourceGit.ViewModels
         private List<string> _revisionFiles = [];
         private string _revisionFileSearchFilter = string.Empty;
         private bool _isRevisionFileSearchSuggestionOpen = false;
+        private Dictionary<string, (int added, int removed)> _lineCountCache = new Dictionary<string, (int added, int removed)>();
     }
 }

src/Views/CommitBaseInfo.axaml.cs

@@ -1,3 +1,4 @@
+using System;
 using System.Threading.Tasks;
 
 using Avalonia;
@@ -70,6 +71,25 @@ namespace SourceGit.Views
             InitializeComponent();
         }
 
+        protected override void OnDataContextChanged(EventArgs e)
+        {
+            base.OnDataContextChanged(e);
+
+            // When the DataContext changes, we need to re-evaluate any bindings
+            // This ensures that when the Commit property changes, the UI is updated
+            if (DataContext is ViewModels.CommitDetail detail)
+            {
+                detail.PropertyChanged += (s, e) =>
+                {
+                    if (e.PropertyName == nameof(detail.Commit))
+                    {
+                        // Force UI update for the commit lines
+                        InvalidateVisual();
+                    }
+                };
+            }
+        }
+
         private void OnCopyCommitSHA(object sender, RoutedEventArgs e)
         {
             if (sender is Button { DataContext: Models.Commit commit })