enhance: show reverting commit in banner while reverting is in-progress

src/Resources/Locales/en_US.axaml

@@ -399,6 +399,7 @@
   <x:String x:Key="Text.InProgress.Rebase" xml:space="preserve">Rebase in progress.</x:String>
   <x:String x:Key="Text.InProgress.Rebase.StoppedAt" xml:space="preserve">Stopped at</x:String>
   <x:String x:Key="Text.InProgress.Revert" xml:space="preserve">Revert in progress.</x:String>
+  <x:String x:Key="Text.InProgress.Revert.Head" xml:space="preserve">Reverting commit</x:String>
   <x:String x:Key="Text.InteractiveRebase" xml:space="preserve">Interactive Rebase</x:String>
   <x:String x:Key="Text.InteractiveRebase.Target" xml:space="preserve">Target Branch:</x:String>
   <x:String x:Key="Text.InteractiveRebase.On" xml:space="preserve">On:</x:String>

src/Resources/Locales/zh_CN.axaml

@@ -402,6 +402,7 @@
   <x:String x:Key="Text.InProgress.Rebase" xml:space="preserve">变基（Rebase）操作进行中。</x:String>
   <x:String x:Key="Text.InProgress.Rebase.StoppedAt" xml:space="preserve">当前停止于</x:String>
   <x:String x:Key="Text.InProgress.Revert" xml:space="preserve">回滚提交操作进行中。</x:String>
+  <x:String x:Key="Text.InProgress.Revert.Head" xml:space="preserve">正在回滚提交</x:String>
   <x:String x:Key="Text.InteractiveRebase" xml:space="preserve">交互式变基</x:String>
   <x:String x:Key="Text.InteractiveRebase.Target" xml:space="preserve">目标分支 ：</x:String>
   <x:String x:Key="Text.InteractiveRebase.On" xml:space="preserve">起始提交 ：</x:String>

src/Resources/Locales/zh_TW.axaml

@@ -402,6 +402,7 @@
   <x:String x:Key="Text.InProgress.Rebase" xml:space="preserve">重定基底 (rebase) 操作進行中。</x:String>
   <x:String x:Key="Text.InProgress.Rebase.StoppedAt" xml:space="preserve">当前停止于</x:String>
   <x:String x:Key="Text.InProgress.Revert" xml:space="preserve">復原提交操作進行中。</x:String>
+  <x:String x:Key="Text.InProgress.Revert.Head" xml:space="preserve">正在復原提交</x:String>
   <x:String x:Key="Text.InteractiveRebase" xml:space="preserve">互動式重定基底</x:String>
   <x:String x:Key="Text.InteractiveRebase.Target" xml:space="preserve">目標分支:</x:String>
   <x:String x:Key="Text.InteractiveRebase.On" xml:space="preserve">起始提交:</x:String>

src/ViewModels/InProgressContexts.cs

@@ -93,7 +93,7 @@ namespace SourceGit.ViewModels
         public CherryPickInProgress(Repository repo) : base(repo.FullPath, "cherry-pick", true) 
         {
             var headSHA = File.ReadAllText(Path.Combine(repo.GitDir, "CHERRY_PICK_HEAD")).Trim();
-            Head = new Commands.QuerySingleCommit(repo.FullPath, headSHA).Result();
+            Head = new Commands.QuerySingleCommit(repo.FullPath, headSHA).Result() ?? new Models.Commit() { SHA = headSHA };
         }
     }
 
@@ -171,7 +171,17 @@ namespace SourceGit.ViewModels
 
     public class RevertInProgress : InProgressContext
     {
-        public RevertInProgress(Repository repo) : base(repo.FullPath, "revert", false) { }
+        public Models.Commit Head
+        {
+            get;
+            private set;
+        }
+
+        public RevertInProgress(Repository repo) : base(repo.FullPath, "revert", false)
+        {
+            var headSHA = File.ReadAllText(Path.Combine(repo.GitDir, "REVERT_HEAD")).Trim();
+            Head = new Commands.QuerySingleCommit(repo.FullPath, headSHA).Result() ?? new Models.Commit() { SHA = headSHA };
+        }
     }
 
     public class MergeInProgress : InProgressContext

src/ViewModels/WorkingCopy.cs

@@ -569,14 +569,19 @@ namespace SourceGit.ViewModels
                         e.Handled = true;
                     };
 
-                    if (_inProgressContext is RebaseInProgress rebase)
+                    if (_inProgressContext is CherryPickInProgress cherryPick)
+                    {
+                        useTheirs.Header = new Views.NameHighlightedTextBlock("FileCM.ResolveUsing", cherryPick.HeadName);
+                        useMine.Header = new Views.NameHighlightedTextBlock("FileCM.ResolveUsing", _repo.CurrentBranch.Name);
+                    }
+                    else if(_inProgressContext is RebaseInProgress rebase)
                     {
                         useTheirs.Header = new Views.NameHighlightedTextBlock("FileCM.ResolveUsing", rebase.HeadName);
                         useMine.Header = new Views.NameHighlightedTextBlock("FileCM.ResolveUsing", rebase.BaseName);
                     }
-                    else if (_inProgressContext is CherryPickInProgress cherryPick)
+                    else if (_inProgressContext is RevertInProgress revert)
                     {
-                        useTheirs.Header = new Views.NameHighlightedTextBlock("FileCM.ResolveUsing", cherryPick.HeadName);
+                        useTheirs.Header = new Views.NameHighlightedTextBlock("FileCM.ResolveUsing", revert.Head.SHA.Substring(0, 10) + " (revert)");
                         useMine.Header = new Views.NameHighlightedTextBlock("FileCM.ResolveUsing", _repo.CurrentBranch.Name);
                     }
                     else if (_inProgressContext is MergeInProgress merge)
@@ -909,14 +914,19 @@ namespace SourceGit.ViewModels
                         e.Handled = true;
                     };
 
-                    if (_inProgressContext is RebaseInProgress rebase)
+                    if (_inProgressContext is CherryPickInProgress cherryPick)
+                    {
+                        useTheirs.Header = new Views.NameHighlightedTextBlock("FileCM.ResolveUsing", cherryPick.HeadName);
+                        useMine.Header = new Views.NameHighlightedTextBlock("FileCM.ResolveUsing", _repo.CurrentBranch.Name);
+                    }
+                    else if (_inProgressContext is RebaseInProgress rebase)
                     {
                         useTheirs.Header = new Views.NameHighlightedTextBlock("FileCM.ResolveUsing", rebase.HeadName);
                         useMine.Header = new Views.NameHighlightedTextBlock("FileCM.ResolveUsing", rebase.BaseName);
                     }
-                    else if (_inProgressContext is CherryPickInProgress cherryPick)
+                    else if (_inProgressContext is RevertInProgress revert)
                     {
-                        useTheirs.Header = new Views.NameHighlightedTextBlock("FileCM.ResolveUsing", cherryPick.HeadName);
+                        useTheirs.Header = new Views.NameHighlightedTextBlock("FileCM.ResolveUsing", revert.Head.SHA.Substring(0,10) + " (revert)");
                         useMine.Header = new Views.NameHighlightedTextBlock("FileCM.ResolveUsing", _repo.CurrentBranch.Name);
                     }
                     else if (_inProgressContext is MergeInProgress merge)

src/Views/Repository.axaml

@@ -579,7 +579,11 @@
             </DataTemplate>
 
             <DataTemplate DataType="vm:RevertInProgress">
-              <TextBlock FontWeight="Bold" Foreground="{DynamicResource Brush.ConflictForeground}" Text="{DynamicResource Text.InProgress.Revert}"/>
+              <StackPanel Orientation="Horizontal">
+                <TextBlock FontWeight="Bold" Foreground="{DynamicResource Brush.ConflictForeground}" Text="{DynamicResource Text.InProgress.Revert}"/>
+                <TextBlock FontWeight="Bold" Margin="4,0,0,0" Foreground="{DynamicResource Brush.ConflictForeground}" Text="{DynamicResource Text.InProgress.Revert.Head}"/>
+                <TextBlock FontWeight="Bold" Margin="4,0,0,0" Foreground="DarkOrange" Text="{Binding Head.SHA, Converter={x:Static c:StringConverters.ToShortSHA}}" ToolTip.Tip="{Binding Head}"/>
+              </StackPanel>
             </DataTemplate>
 
             <DataTemplate DataType="vm:MergeInProgress">