NB: while the page is built successfully, the content doesn't match that from gitweb.cgi
&$test_repo1('/commit');
&$test_repo1('/commitdiff');
&$test_repo1('/tree');
+ &$test_repo1('/blobdiff', 'f=file1;h=5716ca5987cbf97d6bb54920bea6adde242d87e6;hp=257cc5642cb1a054f08cc83f2d943e56fd3ebe99;hb=refs/heads/master;hpb=3bc0634310b9c62222bb0e724c11ffdfb297b4ac');
# legacy URIs
&$test_repo1('/', 'a=summary');