)]}'
{
  "commit": "d57df636a1658d52384ea625a6ccc3f9332833bc",
  "tree": "dcf63b5265b9d5210c61842be4868909ec0ad909",
  "parents": [
    "5585d9c9c4b55efe32f3594ed072d1927ba2bd51"
  ],
  "author": {
    "name": "Hao Zhu",
    "email": "haozhu233@gmail.com",
    "time": "Fri Sep 04 14:37:36 2020 -0400"
  },
  "committer": {
    "name": "Hao Zhu",
    "email": "haozhu233@gmail.com",
    "time": "Fri Sep 04 14:37:36 2020 -0400"
  },
  "message": "fix #512\n",
  "tree_diff": [
    {
      "type": "modify",
      "old_id": "c33461c7ea6af841a2bd9a16f3550342e0d4779b",
      "old_mode": 33188,
      "old_path": "R/column_spec.R",
      "new_id": "77f0c69ceccdb3e2c9bca54fcad3f519450bff79",
      "new_mode": 33188,
      "new_path": "R/column_spec.R"
    }
  ]
}