)]}'
{
  "commit": "c066f6be433873c44f2f0825f357c58a02223753",
  "tree": "ea48eecf19c87781e16ba1762b3d8e32285916d8",
  "parents": [
    "8e8a82187d294b170fade96b61f777e7a3773833"
  ],
  "author": {
    "name": "Jonathan Maw",
    "email": "jonathan.maw@codethink.co.uk",
    "time": "Wed May 08 17:25:03 2019 +0100"
  },
  "committer": {
    "name": "Jonathan Maw",
    "email": "jonathan.maw@codethink.co.uk",
    "time": "Fri May 17 13:57:25 2019 +0100"
  },
  "message": "element.py: Don\u0027t calculate strong key if not required\n",
  "tree_diff": [
    {
      "type": "modify",
      "old_id": "12518a2ec2216d98e562ca667ff1b84481d19289",
      "old_mode": 33188,
      "old_path": "buildstream/_cachekeycontroller/nonstrictcachekeycontroller.py",
      "new_id": "b47d08848770d7e6d3975f3884e795bee80f626d",
      "new_mode": 33188,
      "new_path": "buildstream/_cachekeycontroller/nonstrictcachekeycontroller.py"
    },
    {
      "type": "modify",
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      "old_path": "buildstream/element.py",
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}