enhance: quickly drop single commits by prefilling interactive rebase

Author: NathanBaulch

src/Resources/Locales/en_US.axaml

@@ -123,6 +123,7 @@
   <x:String x:Key="Text.CommitCM.CopySHA" xml:space="preserve">SHA</x:String>
   <x:String x:Key="Text.CommitCM.CopySubject" xml:space="preserve">Subject</x:String>
   <x:String x:Key="Text.CommitCM.CustomAction" xml:space="preserve">Custom Action</x:String>
+  <x:String x:Key="Text.CommitCM.Drop" xml:space="preserve">Drop Commit</x:String>
   <x:String x:Key="Text.CommitCM.InteractiveRebase" xml:space="preserve">Interactively Rebase ${0}$ on ${1}$</x:String>
   <x:String x:Key="Text.CommitCM.Merge" xml:space="preserve">Merge to ${0}$</x:String>
   <x:String x:Key="Text.CommitCM.MergeMultiple" xml:space="preserve">Merge ...</x:String>

src/ViewModels/Histories.cs

@@ -617,6 +617,17 @@ public ContextMenu CreateContextMenuForSelectedCommits(List<Models.Commit> selec
                         e.Handled = true;
                     };
                     menu.Items.Add(revert);
+
+                    var drop = new MenuItem();
+                    drop.Header = App.Text("CommitCM.Drop");
+                    drop.Icon = App.CreateMenuIcon("Icons.Clear");
+                    drop.Click += async (_, e) =>
+                    {
+                        var parent = await new Commands.QuerySingleCommit(_repo.FullPath, commit.Parents[0]).GetResultAsync();
+                        await App.ShowDialog(new InteractiveRebase(_repo, current, parent, Models.InteractiveRebaseAction.Drop));
+                        e.Handled = true;
+                    };
+                    menu.Items.Add(drop);
                 }
 
                 if (current.Head != commit.SHA)

src/ViewModels/InteractiveRebase.cs

@@ -123,9 +123,8 @@ public CommitDetail DetailContext
             private set;
         }
 
-        public InteractiveRebase(Repository repo, Models.Branch current, Models.Commit on)
+        public InteractiveRebase(Repository repo, Models.Branch current, Models.Commit on, Models.InteractiveRebaseAction lastAction = Models.InteractiveRebaseAction.Pick)
         {
-            var repoPath = repo.FullPath;
             _repo = repo;
 
             Current = current;
@@ -135,22 +134,25 @@ public InteractiveRebase(Repository repo, Models.Branch current, Models.Commit o
 
             Task.Run(async () =>
             {
-                var commits = await new Commands.QueryCommitsForInteractiveRebase(repoPath, on.SHA)
+                var commits = await new Commands.QueryCommitsForInteractiveRebase(repo.FullPath, on.SHA)
                     .GetResultAsync()
                     .ConfigureAwait(false);
 
                 var list = new List<InteractiveRebaseItem>();
                 for (var i = 0; i < commits.Count; i++)
                 {
                     var c = commits[i];
-                    list.Add(new InteractiveRebaseItem(c.Commit, c.Message, i < commits.Count - 1));
+                    var item = new InteractiveRebaseItem(c.Commit, c.Message, i < commits.Count - 1);
+                    if (i == commits.Count - 1)
+                        item.Action = lastAction;
+                    list.Add(item);
                 }
 
                 Dispatcher.UIThread.Post(() =>
                 {
                     Items.AddRange(list);
                     if (list.Count > 0)
-                        SelectedItem = list[0];
+                        SelectedItem = lastAction == Models.InteractiveRebaseAction.Pick ? list[0] : list[^1];
                     IsLoading = false;
                 });
             });