From d0244e0da66ae05d8479a22c7e9edc4cb2939bbe Mon Sep 17 00:00:00 2001
From: Hylke Bons <hylkebons@gmail.com>
Date: Wed, 14 Sep 2011 19:30:17 +0200
Subject: [PATCH] Allow empty folders to be added by putting a hidden file in
 each of them before committing

---
 SparkleLib/Git/SparkleRepoGit.cs | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/SparkleLib/Git/SparkleRepoGit.cs b/SparkleLib/Git/SparkleRepoGit.cs
index a29cfc48..6ce939c0 100644
--- a/SparkleLib/Git/SparkleRepoGit.cs
+++ b/SparkleLib/Git/SparkleRepoGit.cs
@@ -165,6 +165,8 @@ namespace SparkleLib {
 
         public override bool AnyDifferences {
             get {
+                FillEmptyDirectories (LocalPath);
+
                 SparkleGit git = new SparkleGit (LocalPath, "status --porcelain");
                 git.Start ();
 
@@ -509,6 +511,22 @@ namespace SparkleLib {
         }
 
 
+        // Git doesn't track empty directories, so this method
+        // fills them all with a hidden empty file
+        private void FillEmptyDirectories (string path)
+        {
+            foreach (string child_path in Directory.GetDirectories (path)) {
+                if (path.EndsWith (".git") || path.EndsWith (".notes"))
+                    continue;
+
+                FillEmptyDirectories (child_path);
+            }
+
+            if (Directory.GetFiles (path).Length == 0)
+                File.Create (Path.Combine (path, ".empty"));
+        }
+
+
         // Creates a pretty commit message based on what has changed
         private string FormatCommitMessage ()
         {