Added dropdown for changing branches.

Author: neogeek

Scripts/CustomEditor/Git.cs

@@ -29,6 +29,41 @@ public static string Branch()
 
         }
 
+        public static string[] Branches()
+        {
+
+            var process = Process.Start(new ProcessStartInfo
+            {
+                FileName = "/usr/local/bin/git",
+                Arguments = "for-each-ref --format='%(refname:short)' refs/heads",
+                UseShellExecute = false,
+                RedirectStandardOutput = true,
+                RedirectStandardError = true,
+                CreateNoWindow = true
+            });
+
+            return process?.StandardOutput
+                .ReadToEnd()
+                .Split(new[] { Environment.NewLine }, StringSplitOptions.RemoveEmptyEntries)
+                .ToArray();
+
+        }
+
+        public static void CheckoutBranch(string branch)
+        {
+
+            Process.Start(new ProcessStartInfo
+            {
+                FileName = "/usr/local/bin/git",
+                Arguments = $"checkout {branch}",
+                UseShellExecute = false,
+                RedirectStandardOutput = true,
+                RedirectStandardError = true,
+                CreateNoWindow = true
+            });
+
+        }
+
         public static string[] AllChanges()
         {
 

Scripts/CustomEditor/GitStatusPanel.cs

@@ -18,6 +18,8 @@ public class GitStatusPanel : EditorWindow
 
         private string _branch;
 
+        private string[] _branches;
+
         private string[] _changedFiles;
 
         private string[] _untrackedFiles;
@@ -53,7 +55,36 @@ private void Update()
         private void OnGUI()
         {
 
-            GUILayout.Label($"Current Branch: {_branch}");
+            GUILayout.Space(5);
+
+            var selectedBranch = Array.IndexOf(_branches, _branch);
+
+            selectedBranch = EditorGUILayout.Popup("Branch:", selectedBranch, _branches);
+
+            if (!_branches[selectedBranch].Equals(_branch))
+            {
+
+                if (_changedFiles?.Length > 0)
+                {
+
+                    EditorUtility.DisplayDialog(
+                        $"Unable to checkout branch",
+                        $"Unable to checkout {_branches[selectedBranch]} as with {_changedFiles?.Length} changes. " +
+                        "Commit, discard or stash before checking out a different branch.",
+                        "Ok");
+
+                }
+                else
+                {
+
+                    Git.CheckoutBranch(_branches[selectedBranch]);
+
+                    _branch = _branches[selectedBranch];
+
+                }
+
+            }
+
             GUILayout.Label($"Number of Changes: {_changedFiles?.Length}");
             GUILayout.Label($"Untracked Files: {_untrackedFiles?.Length}");
             GUILayout.Label($"Last Updated: {_lastUpdated}");
@@ -72,6 +103,8 @@ private void UpdateData()
 
             _branch = Git.Branch();
 
+            _branches = Git.Branches();
+
             _changedFiles = Git.ChangedFiles();
 
             _untrackedFiles = Git.UntrackedFiles();