enhance: clear commit message before merging/cherry-picking/rebasing/reverting to allow SourceGit read it from git (#1414)

Signed-off-by: leo <longshuang@msn.cn>

src/ViewModels/CherryPick.cs

@@ -66,6 +66,7 @@ namespace SourceGit.ViewModels
         public override Task<bool> Sure()
         {
             _repo.SetWatcherEnabled(false);
+            _repo.ClearCommitMessage();
             ProgressDescription = $"Cherry-Pick commit(s) ...";
 
             var log = _repo.CreateLog("Cherry-Pick");

src/ViewModels/Fetch.cs

@@ -88,7 +88,7 @@ namespace SourceGit.ViewModels
                 CallUIThread(() =>
                 {
                     if (!string.IsNullOrEmpty(upstreamHead))
-                        _repo.NavigateToCommitDelayed(upstreamHead);
+                        _repo.NavigateToCommit(upstreamHead, true);
 
                     _repo.MarkFetched();
                     _repo.SetWatcherEnabled(true);

src/ViewModels/FetchInto.cs

@@ -37,7 +37,7 @@ namespace SourceGit.ViewModels
                 var changedLocalBranchHead = new Commands.QueryRevisionByRefName(_repo.FullPath, Local.Name).Result();
                 CallUIThread(() =>
                 {
-                    _repo.NavigateToCommitDelayed(changedLocalBranchHead);
+                    _repo.NavigateToCommit(changedLocalBranchHead, true);
                     _repo.SetWatcherEnabled(true);
                 });
 

src/ViewModels/Merge.cs

@@ -54,6 +54,7 @@ namespace SourceGit.ViewModels
         public override Task<bool> Sure()
         {
             _repo.SetWatcherEnabled(false);
+            _repo.ClearCommitMessage();
             ProgressDescription = $"Merging '{_sourceName}' into '{Into}' ...";
 
             var log = _repo.CreateLog($"Merging '{_sourceName}' into '{Into}'");
@@ -67,7 +68,7 @@ namespace SourceGit.ViewModels
                 var head = new Commands.QueryRevisionByRefName(_repo.FullPath, "HEAD").Result();
                 CallUIThread(() =>
                 {
-                    _repo.NavigateToCommitDelayed(head);
+                    _repo.NavigateToCommit(head, true);
                     _repo.SetWatcherEnabled(true);
                 });
                 return true;

src/ViewModels/MergeMultiple.cs

@@ -41,6 +41,7 @@ namespace SourceGit.ViewModels
         public override Task<bool> Sure()
         {
             _repo.SetWatcherEnabled(false);
+            _repo.ClearCommitMessage();
             ProgressDescription = "Merge head(s) ...";
 
             var log = _repo.CreateLog("Merge Multiple Heads");
@@ -48,7 +49,7 @@ namespace SourceGit.ViewModels
 
             return Task.Run(() =>
             {
-                var succ = new Commands.Merge(
+                new Commands.Merge(
                     _repo.FullPath,
                     ConvertTargetToMergeSources(),
                     AutoCommit,
@@ -56,7 +57,7 @@ namespace SourceGit.ViewModels
 
                 log.Complete();
                 CallUIThread(() => _repo.SetWatcherEnabled(true));
-                return succ;
+                return true;
             });
         }
 

src/ViewModels/Pull.cs

@@ -167,7 +167,7 @@ namespace SourceGit.ViewModels
                 var head = new Commands.QueryRevisionByRefName(_repo.FullPath, "HEAD").Result();
                 CallUIThread(() =>
                 {
-                    _repo.NavigateToCommitDelayed(head);
+                    _repo.NavigateToCommit(head, true);
                     _repo.SetWatcherEnabled(true);
                 });
 

src/ViewModels/Rebase.cs

@@ -43,6 +43,7 @@ namespace SourceGit.ViewModels
         public override Task<bool> Sure()
         {
             _repo.SetWatcherEnabled(false);
+            _repo.ClearCommitMessage();
             ProgressDescription = "Rebasing ...";
 
             var log = _repo.CreateLog("Rebase");

src/ViewModels/Repository.cs

@@ -925,24 +925,23 @@ namespace SourceGit.ViewModels
             _lastFetchTime = DateTime.Now;
         }
 
-        public void NavigateToCommit(string sha)
+        public void NavigateToCommit(string sha, bool isDelayMode = false)
         {
-            if (_histories != null)
+            if (isDelayMode)
+            {
+                _navigateToCommitDelayed = sha;
+            }
+            else if (_histories != null)
             {
                 SelectedViewIndex = 0;
                 _histories.NavigateTo(sha);
             }
         }
 
-        public void NavigateToCommitDelayed(string sha)
+        public void ClearCommitMessage()
         {
-            _navigateToCommitDelayed = sha;
-        }
-
-        public void NavigateToCurrentHead()
-        {
-            if (_currentBranch != null)
-                NavigateToCommit(_currentBranch.Head);
+            if (_workingCopy is not null)
+                _workingCopy.CommitMessage = string.Empty;
         }
 
         public void ClearHistoriesFilter()

src/ViewModels/Revert.cs

@@ -25,6 +25,7 @@ namespace SourceGit.ViewModels
         public override Task<bool> Sure()
         {
             _repo.SetWatcherEnabled(false);
+            _repo.ClearCommitMessage();
             ProgressDescription = $"Revert commit '{Target.SHA}' ...";
 
             var log = _repo.CreateLog($"Revert '{Target.SHA}'");

src/Views/RepositoryToolbar.axaml

@@ -126,7 +126,7 @@
         </ContentControl.DataTemplates>
       </ContentControl>
 
-      <Button Classes="icon_button" Width="32" Command="{Binding NavigateToCurrentHead}" ToolTip.Tip="{DynamicResource Text.Repository.NavigateToCurrentHead}">
+      <Button Classes="icon_button" Width="32" Click="NavigateToHead" ToolTip.Tip="{DynamicResource Text.Repository.NavigateToCurrentHead}">
         <Path Width="13" Height="13" Margin="0,2,0,0" Data="{StaticResource Icons.Target}" Fill="{DynamicResource Brush.FG1}"/>
       </Button>
     </StackPanel>

src/Views/RepositoryToolbar.axaml.cs

@@ -150,5 +150,14 @@ namespace SourceGit.Views
                 e.Handled = true;
             }
         }
+
+        private void NavigateToHead(object sender, RoutedEventArgs e)
+        {
+            if (DataContext is ViewModels.Repository { CurrentBranch: { } } repo)
+            {
+                repo.NavigateToCommit(repo.CurrentBranch.Head);
+                e.Handled = true;
+            }
+        }
     }
 }