Save The Tree implementation and acceptance work in progress
Preserve production code, regression fixtures, audio assets and provenance, test infrastructure, and the original-completion plan and progress ledger. Final game and Windows acceptance remain pending; excluded local artifacts and native experiments are not part of this snapshot.
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Takeshi
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"""Reproduce preservation defects, then verify an isolated SaveService fix."""
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import hashlib
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import importlib.util
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import json
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import os
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from pathlib import Path
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import re
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import shutil
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import subprocess
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import time
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import uuid
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ROOT = Path(__file__).resolve().parents[4]
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OUT = ROOT / "artifacts/original-completion-2026-10-02/p03-save-preservation-r02"
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PACKET = ROOT / "artifacts/original-completion-2026-10-02/p03-recovery-readonly-candidate"
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TARGET = "scripts/core/save_service.gd"
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def sha(path):
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return hashlib.sha256(path.read_bytes()).hexdigest()
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def write(path, value):
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path.write_text(json.dumps(value, ensure_ascii=False, indent=2) + "\n")
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def main():
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OUT.mkdir(parents=True, exist_ok=False)
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spec = importlib.util.spec_from_file_location("source_regression", Path(__file__).with_name("run_current_regression.py"))
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module = importlib.util.module_from_spec(spec)
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spec.loader.exec_module(module)
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source = module.source_map()
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assert sha(ROOT / TARGET) == sha(PACKET / "save_service.base.gd")
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write(OUT / "source-start.json", source)
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run_id = uuid.uuid4().hex[:12]
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stages = Path("/private/tmp") / ("thetree-save-preservation-" + run_id)
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driver_sha = sha(PACKET / "test_recovery_readonly_candidate.gd")
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report = {"scope": "identified foreign format preservation and explicit read-only recovery", "stages": {}, "rows": [], "production_applied": False, "driver_sha256": driver_sha}
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for variant in ("base", "candidate"):
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stage = stages / variant
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stage.mkdir(parents=True)
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for name, expected in source.items():
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dest = stage / name
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dest.parent.mkdir(parents=True, exist_ok=True)
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shutil.copyfile(ROOT / name, dest)
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assert sha(dest) == expected
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profile = "TheTreeSavePreservation-" + run_id + "-" + variant
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config = (stage / "project.godot").read_text()
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(stage / "project.godot").write_text(config.replace("[application]", '[application]\nconfig/use_custom_user_dir=true\nconfig/custom_user_dir_name="' + profile + '"', 1))
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qa = stage / "tests/diagnostic/save_preservation"
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qa.mkdir(parents=True)
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shutil.copyfile(PACKET / "test_recovery_readonly_candidate.gd", qa / "acceptance.gd")
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assert sha(qa / "acceptance.gd") == driver_sha
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if variant == "candidate":
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shutil.copyfile(PACKET / "save_service.candidate.gd", stage / TARGET)
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report["stages"][variant] = {"path": str(stage), "profile": profile, "target_sha256": sha(stage / TARGET)}
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write(OUT / "execution.json", report)
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def run(variant, label, script=None, reproduction=False):
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stage = Path(report["stages"][variant]["path"])
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command = ["godot", "--headless", "--path", str(stage)]
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command += ["--script", "res://" + script] if script else ["--editor", "--import"]
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log = OUT / (label + ".log")
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started = time.monotonic()
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with log.open("w") as stream:
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try:
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code = subprocess.run(command, cwd=stage, env=dict(os.environ), stdout=stream, stderr=subprocess.STDOUT, timeout=900).returncode
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except subprocess.TimeoutExpired:
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code = 124
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content = log.read_text()
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counts = re.findall(r"^Recovery read-only candidate: (\d+) checks, (\d+) failures$", content, re.MULTILINE)
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actual_checks = int(counts[0][0]) if len(counts) == 1 else None
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if script and not reproduction and actual_checks is None:
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old_report = json.loads((ROOT / "artifacts/facility-need-pricing-r02-full155-independent-review-2026-10-01-r01/actual155-source-marker-review.json").read_text())
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old_markers = {row["test"]: row["actual_marker"] for row in old_report["rows"]}
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marker = old_markers.get(script)
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if marker is None:
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matches = re.findall(r"^.*?: \d+ checks, 0 failures\n", content, re.MULTILINE)
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marker = matches[0] if len(matches) == 1 else None
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assert marker is not None and content.count(marker) == 1, label
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match = re.search(r"checks=(\d+)|(\d+)(?: [A-Za-z]+)* checks", marker)
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assert match is not None
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actual_checks = int(next(g for g in match.groups() if g is not None))
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failures = int(counts[0][1]) if len(counts) == 1 else None
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if reproduction:
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passed = code != 0 and failures is not None and failures > 0 and "SCRIPT ERROR:" not in content
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else:
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passed = code == 0 and "SCRIPT ERROR:" not in content and "\nERROR:" not in content and "Unicode parsing error" not in content
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row = {"variant": variant, "label": label, "exit_code": code, "passed": passed,
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"expected_defect_reproduction": reproduction, "checks": actual_checks,
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"failures": failures, "seconds": round(time.monotonic() - started, 3), "log": log.name, "log_sha256": sha(log)}
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report["rows"].append(row)
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write(OUT / "execution.json", report)
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print(json.dumps(row), flush=True)
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assert passed, label
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run("base", "base-import")
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run("candidate", "candidate-import")
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run("base", "base-defects", "tests/diagnostic/save_preservation/acceptance.gd", True)
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run("candidate", "candidate-acceptance", "tests/diagnostic/save_preservation/acceptance.gd")
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for script in ("tests/s6/test_save_preflight.gd", "tests/s6/test_save_operations.gd", "tests/s6/test_runtime_save_lifecycle.gd", "tests/run_tests.gd", "tests/transport/test_transport_save.gd", "tests/ui/test_dimension_migration_ui.gd", "tests/ui/test_supply_management.gd"):
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if not (Path(report["stages"]["candidate"]["path"]) / script).is_file():
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# Resolve only exact repository test filenames, never silently skip.
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raise AssertionError("missing required suite " + script)
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run("candidate", script.replace("/", "__").replace(".gd", ""), script)
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after = module.source_map()
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changes = [p for p in sorted(set(source) | set(after)) if source.get(p) != after.get(p)]
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write(OUT / "source-end.json", after)
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report.update(focused_acceptance_passed=True, source_changes=changes, full_merged_regression_pending=True, original_full_acceptance=False)
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write(OUT / "execution.json", report)
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assert not changes
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print("Save preservation focused acceptance passed; production merge and full regression remain pending.")
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if __name__ == "__main__":
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main()
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