)]}'
{
  "commit": "9805b6717b35351522752bc3325dfe0fbc1deac3",
  "tree": "ace2312bb26c1effc56371fad9deb70e18ecd3bf",
  "parents": [
    "c96b441a1e07dfa75c03a3c214f20d341ec97971"
  ],
  "author": {
    "name": "David Pursehouse",
    "email": "dpursehouse@collab.net",
    "time": "Fri Sep 22 09:28:04 2017 +0900"
  },
  "committer": {
    "name": "David Pursehouse",
    "email": "dpursehouse@collab.net",
    "time": "Fri Sep 22 09:34:47 2017 +0900"
  },
  "message": "RefUpdate: Protect against null ObjectId in ReceiveCommand\n\nRefUpdate\u0027s onRefOperation method is invoked by RefOperationValidators\nfor every registered RefOperationValidationListener.\n\nIf one of those listeners passes a RefReceivedEvent that contains an\ninstance of ReceiveCommand that was initialized with null old or\nnew ObjectId, this results in a NullPointerException when the ObjectId\nis dereferenced to get the name.\n\nProtect against such misbehaving validators by translating any null\ninstance to ObjectId.zeroId().\n\nChange-Id: Ib9399c2351af20b23f8c4481c7b067f3a4dcb688\n",
  "tree_diff": [
    {
      "type": "modify",
      "old_id": "618927713145c471270d3a9c715e4348b2d905fc",
      "old_mode": 33188,
      "old_path": "src/main/java/com/googlesource/gerrit/plugins/hooks/RefUpdate.java",
      "new_id": "d9b38e4332c220a99835fbaae4e04ef58f3ddd63",
      "new_mode": 33188,
      "new_path": "src/main/java/com/googlesource/gerrit/plugins/hooks/RefUpdate.java"
    }
  ]
}