Merge pull request #1905 from ivan-danilov/patch-2

Improved warning if multiple configurations match

Author: asbjornu

src/GitVersionCore/Configuration/ConfigExtensions.cs

@@ -183,15 +183,15 @@ public static BranchConfig GetConfigForBranch(this Config config, string branchN
             }
             catch (InvalidOperationException)
             {
-                var matchingConfigs = String.Join("\n - ", matches.Select(m => m.Key));
+                var matchingConfigs = String.Concat(matches.Select(m => $"\n - {m.Key}"));
                 var picked = matches
                     .Select(kvp => kvp.Value)
                     .First();
 
                 // TODO check how to log this
                 Console.WriteLine(
                     $"Multiple branch configurations match the current branch branchName of '{branchName}'. " +
-                    $"Using the first matching configuration, '{picked}'. Matching configurations include: '{matchingConfigs}'");
+                    $"Using the first matching configuration, '{picked.Name}'. Matching configurations include:'{matchingConfigs}'");
 
                 return picked;
             }