removes all duplicate repos if not origin

Author: JonCubed

src/GitVersionCore/GitPreparer.cs

@@ -15,6 +15,8 @@ public class GitPreparer
         bool noFetch;
         string targetPath;
 
+        const string defaultRemoteName = "origin";
+
         public GitPreparer(string targetPath) : this(null, null, null, false, targetPath) { }
         public GitPreparer(string targetUrl, string dynamicRepositoryLocation, Authentication authentication, bool noFetch, string targetPath)
         {
@@ -76,10 +78,25 @@ public void Initialise(bool normaliseGitDirectory, string currentBranch, bool sh
 
         private void CleanupDuplicateOrigin()
         {
+            var remoteToKeep = defaultRemoteName;
+
             var repo = new Repository(GetDotGitDirectory());
-            if (repo.Network.Remotes.Any(remote => remote.Name == "origin1"))
+
+            // check that we have a remote that matches defaultRemoteName if not take the first remote
+            if (!repo.Network.Remotes.Any(remote => remote.Name.Equals(defaultRemoteName, StringComparison.InvariantCultureIgnoreCase)))
+            {
+                remoteToKeep = repo.Network.Remotes.First().Name;
+            }
+
+            var duplicateRepos = repo.Network
+                                     .Remotes
+                                     .Where(remote => !remote.Name.Equals(remoteToKeep, StringComparison.InvariantCultureIgnoreCase))
+                                     .Select(remote => remote.Name);
+
+            // remove all remotes that are considered duplicates
+            foreach (var repoName in duplicateRepos)
             {
-                repo.Network.Remotes.Remove("origin1");
+                repo.Network.Remotes.Remove(repoName);
             }
         }