Merge pull request #262 from github-for-unity/fixes/255-harden-config-parser

Harden the git config parser to handle remote entries without a url better

Author: StanleyGoldman

src/GitHub.Api/Git/GitConfig.cs

@@ -86,10 +86,11 @@ public IEnumerable<ConfigRemote> GetRemotes()
             return groups
                 .Where(x => x.Key == "remote")
                 .SelectMany(x => x.Value)
+                .Where(x => x.Value.TryGetString("url") != null)
                 .Select(x => new ConfigRemote
                 {
                     Name = x.Key,
-                    Url = x.Value.GetString("url")
+                    Url = x.Value.TryGetString("url")
                 });
         }
 
@@ -98,7 +99,7 @@ public IEnumerable<ConfigRemote> GetRemotes()
             return groups
                 .Where(x => x.Key == "remote")
                 .SelectMany(x => x.Value)
-                .Where(x => x.Key == remote)
+                .Where(x => x.Key == remote && x.Value.TryGetString("url") != null)
                 .Select(x => new ConfigRemote
                 {
                     Name = x.Key,