Proactively call git_submodule_reload()

Author: dahlbyk

LibGit2Sharp/Core/NativeMethods.cs

@@ -1074,6 +1074,10 @@ internal static extern SubmoduleUpdate git_submodule_update(
         internal static extern bool git_submodule_fetch_recurse_submodules(
             SubmoduleSafeHandle submodule);
 
+        [DllImport(libgit2)]
+        internal static extern int git_submodule_reload(
+            SubmoduleSafeHandle submodule);
+
         [DllImport(libgit2)]
         internal static extern int git_submodule_status(
             out SubmoduleStatus status,

LibGit2Sharp/Core/Proxy.cs

@@ -2002,6 +2002,15 @@ public static bool git_submodule_fetch_recurse_submodules(SubmoduleSafeHandle su
             return NativeMethods.git_submodule_fetch_recurse_submodules(submodule);
         }
 
+        public static void git_submodule_reload(SubmoduleSafeHandle submodule)
+        {
+            using (ThreadAffinity())
+            {
+                var res = NativeMethods.git_submodule_reload(submodule);
+                Ensure.ZeroResult(res);
+            }
+        }
+
         public static SubmoduleStatus git_submodule_status(SubmoduleSafeHandle submodule)
         {
             using (ThreadAffinity())

LibGit2Sharp/SubmoduleCollection.cs

@@ -86,6 +86,7 @@ internal T Lookup<T>(string name, Func<SubmoduleSafeHandle, T> selector, bool th
             {
                 if (handle != null)
                 {
+                    Proxy.git_submodule_reload(handle);
                     return selector(handle);
                 }