)]}'
{
  "commit": "79c053bde9fa40595670ae274d047da07f1df88c",
  "tree": "dc859b1ca2cb3345bdc665fca11f9c0cf4b35cf5",
  "parents": [
    "f08f2ddae078e8a7683f8b16da8e0cc3029c7b89"
  ],
  "author": {
    "name": "Stefan Hajnoczi",
    "email": "stefanha@linux.vnet.ibm.com",
    "time": "Tue Feb 07 13:27:26 2012 +0000"
  },
  "committer": {
    "name": "Kevin Wolf",
    "email": "kwolf@redhat.com",
    "time": "Thu Feb 09 16:17:50 2012 +0100"
  },
  "message": "block: perform zero-detection during copy-on-read\n\nCopy-on-Read populates the image file with data read from a backing\nimage.  In order to avoid bloating the image file when all zeroes are\nread we should scan the buffer and perform an optimized zero write\noperation.\n\nSigned-off-by: Stefan Hajnoczi \u003cstefanha@linux.vnet.ibm.com\u003e\nSigned-off-by: Kevin Wolf \u003ckwolf@redhat.com\u003e\n",
  "tree_diff": [
    {
      "type": "modify",
      "old_id": "c9fa5c17fff47d4c4e0e30204e390b715de0ad13",
      "old_mode": 33188,
      "old_path": "block.c",
      "new_id": "ae297bb8471346db4c4e539ea13f5f519380aa36",
      "new_mode": 33188,
      "new_path": "block.c"
    }
  ]
}