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"id": "single-software-execution--cli--blender--task-37--ubuntu",
"snapshot": "Blender-4.2.3",
"instruction": "Library Link + Override `/home/user/Desktop/scene.blend` is an empty scene. `/home/user/Desktop/lib/characters.blend` is a library file containing a Collection named `Hero` with a single mesh object `HeroMesh` and a blue material `HeroMaterial`. Launch Blender by running `blender` from a terminal. For the steps below, use `/opt/blender/blender` for Blender command-line or background runs when working on `scene.blend`.\n\nLink that collection into the empty scene, create a local override of it, swap the override mesh to a new red local material, and save the result to `/home/user/Desktop/answer.blend`. ## Hard constraint: do not mutate the library file `/home/user/Desktop/lib/characters.blend` MUST remain byte-identical to its input state. Do not open it with `wm.open_mainfile`; do not save over it; do not pack or write into it. ## Requirements 1. `/home/user/Desktop/answer.blend` exists. 2. `/home/user/Desktop/lib/characters.blend` is byte-identical to its input SHA256 (recorded at `/home/user/Desktop/lib/characters.blend.sha256`). 3. A Collection named `Hero` exists in the saved file, is LOCAL (`library is None`), and is a library override (`override_library is not None`). 4. That collection contains a mesh object that is LOCAL and has `override_library` non-None. 5. The override mesh's material slot 0 holds a LOCAL material (not linked) that is NOT the original `HeroMaterial`, and whose Principled BSDF Base Color is red (R > 0.7, G < 0.3, B < 0.3). 6. Independently re-linking `HeroMaterial` from the library still yields the original blue Base Color (R < 0.3, G < 0.5, B > 0.6) - i.e. the lib material definition was not modified. Do not rename the `Hero` collection or the `HeroMesh` override object.",
"source": "https://docs.blender.org/manual/en/4.1/; https://docs.blender.org/api/4.1/; https://developer.blender.org/docs/release_notes/4.1/; https://www.loc.gov/preservation/digital/formats/fdd/fdd000507.shtml",
"config": [
{
"type": "upload_file",
"parameters": {
"files": [
{
"local_path": "task-37/init_file/lib/characters.blend",
"path": "/home/user/Desktop/lib/characters.blend"
}
]
}
},
{
"type": "upload_file",
"parameters": {
"files": [
{
"local_path": "task-37/init_file/lib/characters.blend.sha256",
"path": "/home/user/Desktop/lib/characters.blend.sha256"
}
]
}
},
{
"type": "upload_file",
"parameters": {
"files": [
{
"local_path": "task-37/init_file/scene.blend",
"path": "/home/user/Desktop/scene.blend"
}
]
}
}
],
"trajectory": "trajectories/",
"related_apps": [
"blender"
],
"artifact_paths": [
"/home/user/Desktop/answer.blend"
],
"evaluator": {
"postconfig": [
{
"type": "upload_file",
"parameters": {
"files": [
{
"local_path": "task-37/eval.py",
"path": "/home/user/Desktop/eval.py"
}
]
}
}
],
"func": "exact_match",
"result": {
"type": "vm_command_line",
"command": "python3 /home/user/Desktop/eval.py",
"shell": "true"
},
"expected": {
"type": "rule",
"rules": {
"expected": "True\n"
}
}
},
"proxy": false,
"fixed_ip": false,
"possibility_of_env_change": "low"
}
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