refactor: rewrite the way reading full message of commit

Author: love-linger

src/Commands/QueryCommitsWithFullMessage.cs

@@ -52,28 +52,31 @@ public QueryCommitsWithFullMessage(string repo, string args)
                         _current.Commit.CommitterTime = ulong.Parse(line);
                         break;
                     default:
-                        if (line.Equals(_boundary, StringComparison.Ordinal))
+                        var boundary = rs.StdOut.IndexOf(_boundary, end + 1);
+                        if (boundary > end)
                         {
-                            nextPartIdx = -1;
-                            _current.Message = _current.Message.Trim();
+                            _current.Message = rs.StdOut.Substring(start, boundary - start - 1);
+                            end = boundary + _boundary.Length;
                         }
                         else
                         {
-                            _current.Message = _current.Message + "\n" + line;
+                            _current.Message = rs.StdOut.Substring(start);
+                            end = rs.StdOut.Length - 2;
                         }
 
+                        nextPartIdx = -1;
                         break;
                 }
 
                 nextPartIdx++;
 
                 start = end + 1;
+                if (start >= rs.StdOut.Length - 1)
+                    break;
+
                 end = rs.StdOut.IndexOf('\n', start);
             }
 
-            if (_current != null)
-                _current.Message = _current.Message.Trim();
-
             return _commits;
         }
 

src/Views/CommitMessageTextBox.axaml.cs

@@ -95,7 +95,7 @@ protected override void OnPropertyChanged(AvaloniaPropertyChangedEventArgs chang
             if (change.Property == TextProperty && _changingWay == TextChangeWay.None)
             {
                 _changingWay = TextChangeWay.FromSource;
-                var normalized = Text.ReplaceLineEndings("\n").Trim();
+                var normalized = Text.ReplaceLineEndings("\n");
                 var subjectEnd = normalized.IndexOf("\n\n", StringComparison.Ordinal);
                 if (subjectEnd == -1)
                 {