enhance: forbid to reword or squash when there're local changes

src/ViewModels/Histories.cs

@@ -217,6 +217,12 @@ namespace SourceGit.ViewModels
                 reword.Icon = App.CreateMenuIcon("Icons.Edit");
                 reword.Click += (o, e) =>
                 {
+                    if (_repo.WorkingCopyChangesCount > 0)
+                    {
+                        App.RaiseException(_repo.FullPath, "You have local changes. Please run stash or discard first.");
+                        return;
+                    }
+
                     if (PopupHost.CanCreatePopup())
                         PopupHost.ShowPopup(new Reword(_repo, commit));
                     e.Handled = true;
@@ -229,6 +235,12 @@ namespace SourceGit.ViewModels
                 squash.IsEnabled = commit.Parents.Count == 1;
                 squash.Click += (o, e) =>
                 {
+                    if (_repo.WorkingCopyChangesCount > 0)
+                    {
+                        App.RaiseException(_repo.FullPath, "You have local changes. Please run stash or discard first.");
+                        return;
+                    }
+
                     if (commit.Parents.Count == 1)
                     {
                         var parent = _commits.Find(x => x.SHA == commit.Parents[0]);

src/ViewModels/Squash.cs

@@ -27,7 +27,7 @@ namespace SourceGit.ViewModels
         public Squash(Repository repo, Models.Commit head, Models.Commit parent)
         {
             _repo = repo;
-            _message = new Commands.QueryCommitFullMessage(_repo.FullPath, parent.SHA).Result();
+            _message = new Commands.QueryCommitFullMessage(_repo.FullPath, head.SHA).Result();
 
             Head = head;
             Parent = parent;

src/Views/Squash.axaml

@@ -12,40 +12,38 @@
     <TextBlock FontSize="18"
                Classes="bold"
                Text="{DynamicResource Text.Squash}"/>
-    <Grid Margin="0,16,0,0" RowDefinitions="28,28,120,Auto" ColumnDefinitions="100,*">
-      <TextBlock Grid.Row="0" Grid.Column="0"
-                 HorizontalAlignment="Right" VerticalAlignment="Center"
-                 Margin="0,0,8,0"
-                 Text="{DynamicResource Text.Squash.Head}"/>
-      <Grid Grid.Row="0" Grid.Column="1" ColumnDefinitions="Auto,Auto,*" Height="20" VerticalAlignment="Center">
-        <Path Grid.Column="0" Margin="0,6,8,0" Width="14" Height="14" Fill="{DynamicResource Brush.FG1}" Data="{StaticResource Icons.Commit}"/>
-        <TextBlock Grid.Column="1" Classes="monospace" Text="{Binding Head.SHA, Converter={x:Static c:StringConverters.ToShortSHA}}" Foreground="DarkOrange"/>
-        <TextBlock Grid.Column="2" Text="{Binding Head.Subject}" Margin="8,0,0,0" TextTrimming="CharacterEllipsis"/>
-      </Grid>
 
-      <TextBlock Grid.Row="1" Grid.Column="0"
+    <Grid Margin="0,18,0,0" ColumnDefinitions="Auto,Auto,Auto,Auto,*">
-                 HorizontalAlignment="Right" VerticalAlignment="Center"
+      <Border Grid.Column="0" Background="{DynamicResource Brush.Accent}" CornerRadius="4">
-                 Margin="0,0,8,0"
+        <TextBlock Text="HEAD" Classes="monospace" Margin="4,0" Foreground="#FFDDDDDD"/>
-                 Text="{DynamicResource Text.Squash.To}"/>
+      </Border>
-      <Grid Grid.Row="1" Grid.Column="1" ColumnDefinitions="Auto,Auto,*" Height="20" VerticalAlignment="Center">
+      
-        <Path Grid.Column="0" Margin="0,6,8,0" Width="14" Height="14" Fill="{DynamicResource Brush.FG1}" Data="{StaticResource Icons.Commit}"/>
+      <Path Grid.Column="1" 
-        <TextBlock Grid.Column="1" Classes="monospace" Text="{Binding Parent.SHA, Converter={x:Static c:StringConverters.ToShortSHA}}" Foreground="DarkOrange"/>
+            Width="14" Height="14"
-        <TextBlock Grid.Column="2" Text="{Binding Parent.Subject}" Margin="8,0,0,0" TextTrimming="CharacterEllipsis"/>
+            Margin="12,0,0,0"
-      </Grid>
+            Fill="{DynamicResource Brush.FG1}" 
+            Data="{StaticResource Icons.Down}" 
+            VerticalAlignment="Center"
+            RenderTransformOrigin="50%,50%"
+            RenderTransform="rotate(270deg)"/>
 
-      <TextBlock Grid.Row="2" Grid.Column="0"
+      <Path Grid.Column="2"
-                 HorizontalAlignment="Right" VerticalAlignment="Top"
+            Margin="6,6,8,0"
-                 Margin="0,5,8,0"
+            Width="14" Height="14"
-                 Text="{DynamicResource Text.Squash.Message}"/>
+            Fill="{DynamicResource Brush.FG1}"
-      <v:CommitMessageTextBox Grid.Row="2" Grid.Column="1"
+            Data="{StaticResource Icons.Commit}"/>
-                              Margin="0,4,0,0"
+      <TextBlock Grid.Column="3"
-                              Text="{Binding Message, Mode=TwoWay}"/>
+                 Classes="monospace"
-
+                 Text="{Binding Parent.SHA, Converter={x:Static c:StringConverters.ToShortSHA}}"
-      <TextBlock Grid.Row="3" Grid.Column="1"
+                 Foreground="DarkOrange"/>
-                 Margin="0,4,0,0"
+      <TextBlock Grid.Column="4" Margin="8,0,0,0" Text="{Binding Parent.Subject}" TextTrimming="CharacterEllipsis"/>
-                 Text="{DynamicResource Text.Reword.Tip}"
-                 TextWrapping="Wrap"
-                 Foreground="{DynamicResource Brush.FG2}"/>
     </Grid>
+
+    <v:CommitMessageTextBox Height="120" Margin="0,4,0,0" Text="{Binding Message, Mode=TwoWay}"/>
+
+    <TextBlock Margin="0,6,0,0"
+               Text="{DynamicResource Text.Reword.Tip}"
+               TextWrapping="Wrap"
+               Foreground="{DynamicResource Brush.FG2}"/>
   </StackPanel>
 </UserControl>