Add Submodule.GitLink

Author: dahlbyk

LibGit2Sharp/Submodule.cs

@@ -2,6 +2,7 @@
 using System.Diagnostics;
 using System.Globalization;
 using LibGit2Sharp.Core;
+using LibGit2Sharp.Core.Compat;
 
 namespace LibGit2Sharp
 {
@@ -18,6 +19,7 @@ public class Submodule : IEquatable<Submodule>
         private readonly string name;
         private readonly string path;
         private readonly string url;
+        private readonly Lazy<GitLink> gitLink;
         private readonly ILazy<ObjectId> headCommitId;
         private readonly ILazy<ObjectId> indexCommitId;
         private readonly ILazy<ObjectId> workdirCommitId;
@@ -38,6 +40,8 @@ internal Submodule(Repository repo, string name, string path, string url)
             this.path = path;
             this.url = url;
 
+            gitLink = new Lazy<GitLink>(() => new GitLink(repo, HeadCommitId));
+
             var commitIds = new SubmoduleLazyGroup(repo, name);
             headCommitId = commitIds.AddLazy(Proxy.git_submodule_head_id);
             indexCommitId = commitIds.AddLazy(Proxy.git_submodule_index_id);
@@ -64,6 +68,11 @@ internal Submodule(Repository repo, string name, string path, string url)
         /// </summary>
         public virtual string Url { get { return url; } }
 
+        /// <summary>
+        ///   The gitlink representing this submodule in the current HEAD tree.
+        /// </summary>
+        public virtual GitLink GitLink { get { return gitLink.Value; } }
+
         /// <summary>
         ///   The commit ID for this submodule in the current HEAD tree.
         /// </summary>