<NME> foo
<BEF> ADDFILE
<MSG> Merge pull request #1559 from mohammedalics/fixesgh/20302

Add check if the file extension is null before calling the to toLowerCase() - Fixes gh-20302
<DFF> @@ -0,0 +1,1 @@
+foo: dev_bar

{'addition_count': 1, 'commit_subject': 'Merge pull request #1559 from mohammedalics/fixesgh/20302', 'deletion_count': 0, 'file_extension': '', 'lang': 'foo', 'license': 'apache-2.0', 'repo_name': 'spring-cloud/spring-cloud-config'}