bugfix - handle and discard exception that occurs when user has

shiftkey · shiftkey · commit 831f1e7cc571 · 2015-07-20T14:53:40.000+09:30
configured the remote to be a branch instead of a nick

Due to the contract with libgit2 indicating it will return
GIT_EINVALIDSPEC for this scenario, I'm just going to handle this
and bail out of the rest of the tracking flow until I get a good
chance to discuss this upstream
diff --git a/LibGit2Sharp/Branch.cs b/LibGit2Sharp/Branch.cs
@@ -236,7 +236,17 @@ private Branch ResolveTrackedBranch()
                 return null;
             }
 
-            string trackedReferenceName = Proxy.git_branch_upstream_name(repo.Handle, CanonicalName);
+            string trackedReferenceName = null;
+            try
+            {
+                trackedReferenceName = Proxy.git_branch_upstream_name(repo.Handle, CanonicalName);
+            }
+            catch (InvalidSpecificationException)
+            {
+                // we have no way to pro-actively check this
+                // based on the information available
+                // so we just need to handle this here
+            }
 
             if (trackedReferenceName == null)
             {
