{"push_id":653492183,"size":1,"distinct_size":1,"ref":"refs/heads/master","head":"9de6eab009832b64dfa0b59b4ea8607f5c166a7b","before":"dccc2e93415ab0b28757eee31668f4e54cf415c9","commits":[{"sha":"9de6eab009832b64dfa0b59b4ea8607f5c166a7b","author":{"email":"4149e8947291c3fb771faa6587995e2b4475fafb@gmail.com","name":"txchen@gmail.com"},"message":"remove files","distinct":true,"url":"https://api.github.com/repos/chenx/oj/commits/9de6eab009832b64dfa0b59b4ea8607f5c166a7b"}]}