Making local detached branch HEAD as the first item below folders

Author: filipeRmlh

src/Commands/QueryBranches.cs

@@ -51,7 +51,12 @@ protected override void OnReadline(string line)
             var refName = parts[0];
             if (refName.EndsWith("/HEAD", StringComparison.Ordinal))
                 return;
-
+            
+            if (refName.StartsWith("(HEAD detached at"))
+            {
+                branch.isHead = true;
+            }
+            
             if (refName.StartsWith(PREFIX_LOCAL, StringComparison.Ordinal))
             {
                 branch.Name = refName.Substring(PREFIX_LOCAL.Length);

src/Models/Branch.cs

@@ -10,5 +10,6 @@ public class Branch
         public string Upstream { get; set; }
         public string UpstreamTrackStatus { get; set; }
         public string Remote { get; set; }
+        public bool isHead { get; set; }
     }
 }

src/ViewModels/BranchTreeNode.cs

@@ -7,6 +7,7 @@ namespace SourceGit.ViewModels
 {
     public enum BranchTreeNodeType
     {
+        DetachedHead,
         Remote,
         Folder,
         Branch,
@@ -45,6 +46,11 @@ public bool IsBranch
         {
             get => Type == BranchTreeNodeType.Branch;
         }
+        
+        public bool IsDetachedHead
+        {
+            get => Type == BranchTreeNodeType.DetachedHead;
+        }
 
         public bool IsCurrent
         {
@@ -170,11 +176,11 @@ private void MakeBranchNode(Models.Branch branch, List<BranchTreeNode> roots, Di
                     start = sepIdx + 1;
                     sepIdx = branch.Name.IndexOf('/', start);
                 }
-
+                
                 lastFolder.Children.Add(new BranchTreeNode()
                 {
                     Name = Path.GetFileName(branch.Name),
-                    Type = BranchTreeNodeType.Branch,
+                    Type = branch.isHead ? BranchTreeNodeType.DetachedHead : BranchTreeNodeType.Branch,
                     Backend = branch,
                     IsExpanded = false,
                     IsFiltered = isFiltered,
@@ -185,14 +191,16 @@ private void SortNodes(List<BranchTreeNode> nodes)
             {
                 nodes.Sort((l, r) =>
                 {
-                    if (l.Type == r.Type)
+                    if (l.Type == BranchTreeNodeType.DetachedHead)
                     {
-                        return l.Name.CompareTo(r.Name);
+                        return -1;
                     }
-                    else
+                    if (l.Type == r.Type)
                     {
-                        return (int)l.Type - (int)r.Type;
+                        return l.Name.CompareTo(r.Name);
                     }
+                   
+                    return (int)l.Type - (int)r.Type;
                 });
 
                 foreach (var node in nodes)