)]}'
{
  "commit": "517453c4870ea4c20c9e185230dfade14bb61cc6",
  "tree": "e9592e1a4b7ad6e86783445b4124705349205912",
  "parents": [
    "a2cb231d1def6457e0542506dda94d6392446e87"
  ],
  "author": {
    "name": "Hao Zhu",
    "email": "haozhu233@gmail.com",
    "time": "Sun May 13 13:07:18 2018 -0400"
  },
  "committer": {
    "name": "Hao Zhu",
    "email": "haozhu233@gmail.com",
    "time": "Sun May 13 13:07:18 2018 -0400"
  },
  "message": "Fix a potential bug in column/row spec\n",
  "tree_diff": [
    {
      "type": "modify",
      "old_id": "1a07910a9ba6c99da401c0f3646423a9bd755717",
      "old_mode": 33188,
      "old_path": "R/column_spec.R",
      "new_id": "2e78586fbf2830260d8a827838002d126a7d808c",
      "new_mode": 33188,
      "new_path": "R/column_spec.R"
    },
    {
      "type": "modify",
      "old_id": "76d7fbde8ede5607eda6acb0016b003582e65d3c",
      "old_mode": 33188,
      "old_path": "R/row_spec.R",
      "new_id": "47832eb3806c490e0f1a385d11d9ad7b1ea59fd8",
      "new_mode": 33188,
      "new_path": "R/row_spec.R"
    }
  ]
}