{"shas":[["a554bd3520b553391417766f7ecfdd63570beb9f","34c6fceca75e456f25e7e99531e2425c6c1de443@zheng.li","2011/09/07/Twitter","Zheng Li"]],"ref":"refs/heads/master","size":1,"head":"a554bd3520b553391417766f7ecfdd63570beb9f","push_id":41997186}