)]}'
{
  "commit": "08b24cfe3765f4b739700778814048e7d9a045fe",
  "tree": "ece881c5e0c550972730db1419cbc0c846335d6b",
  "parents": [
    "a0d64a61db602696f4f1895a890c65eda5b3b618"
  ],
  "author": {
    "name": "Alberto Garcia",
    "email": "berto@igalia.com",
    "time": "Tue Nov 03 12:32:35 2015 +0200"
  },
  "committer": {
    "name": "Kevin Wolf",
    "email": "kwolf@redhat.com",
    "time": "Wed Nov 11 16:25:48 2015 +0100"
  },
  "message": "block: Disallow snapshots if the overlay doesn\u0027t support backing files\n\nThis addresses scenarios like this one:\n\n  { \u0027execute\u0027: \u0027blockdev-add\u0027, \u0027arguments\u0027:\n    { \u0027options\u0027: { \u0027driver\u0027: \u0027qcow2\u0027,\n                   \u0027node-name\u0027: \u0027new0\u0027,\n                   \u0027file\u0027: { \u0027driver\u0027: \u0027file\u0027,\n                             \u0027filename\u0027: \u0027new.qcow2\u0027,\n                             \u0027node-name\u0027: \u0027file0\u0027 } } } }\n\n  { \u0027execute\u0027: \u0027blockdev-snapshot\u0027, \u0027arguments\u0027:\n    { \u0027node\u0027: \u0027virtio0\u0027,\n      \u0027overlay\u0027: \u0027file0\u0027 } }\n\nSigned-off-by: Alberto Garcia \u003cberto@igalia.com\u003e\nReviewed-by: Eric Blake \u003ceblake@redhat.com\u003e\nReviewed-by: Max Reitz \u003cmreitz@redhat.com\u003e\nSigned-off-by: Kevin Wolf \u003ckwolf@redhat.com\u003e\n",
  "tree_diff": [
    {
      "type": "modify",
      "old_id": "3598b014196a9b762852509faa2b49ef2f5d2b5b",
      "old_mode": 33188,
      "old_path": "blockdev.c",
      "new_id": "3197791c7b387cb744996c174c95e5c1868b328c",
      "new_mode": 33188,
      "new_path": "blockdev.c"
    }
  ]
}