{"head":"1dc0e2a2c4fb96ae3f8791d0f0b668a5ee22f3f2","size":2,"push_id":44758199,"shas":[["10af0cf06f405836858be45160af36bebda7685d","1d4d6b566fb91390e3ec85436afec31c63e2167a@gmail.com","up to 6.2.4","Christopher Wu"],["1dc0e2a2c4fb96ae3f8791d0f0b668a5ee22f3f2","1d4d6b566fb91390e3ec85436afec31c63e2167a@gmail.com","Finished chapter 6","Christopher Wu"]],"ref":"refs/heads/master"}