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d61821a | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 | """Deterministically select fresh, test-backed tasks for Study 4.
This outcome-blind selector reads repository history and test outcomes only. It
excludes every commit already present in the task catalog, validates that public
tests pass at the parent, hidden tests expose the bug, and the gold production
patch repairs it, then retains every candidate decision.
"""
from __future__ import annotations
import argparse
from dataclasses import asdict
import json
from pathlib import Path
from build_study2_tasks import (
candidate_commits,
changed_symbols,
manifest_text,
precheck,
run_git,
validate_candidate,
load_repository,
)
from agent_harness.specs import load_tasks
REPOSITORIES = ("R001", "R002", "R003")
def select_fresh(root: Path, repository_id: str, count: int, write: bool) -> dict:
rule = load_repository(root, repository_id)
catalog = load_tasks(root)
excluded_commits = {task.gold_commit for task in catalog.values()}
selected: list[str] = []
audits = []
manifest_dir = root / "tasks" / "manifests"
patch_dir = root / "tasks" / "patches"
validation_dir = root / "tasks" / "validation" / "study4"
selection_dir = root / "tasks" / "selection" / "study4"
if write:
validation_dir.mkdir(parents=True, exist_ok=True)
selection_dir.mkdir(parents=True, exist_ok=True)
for commit in candidate_commits(rule):
if len(selected) >= count:
break
audit = precheck(rule, commit, excluded_commits)
audits.append(audit)
if audit.status != "eligible":
continue
assert audit.parent is not None
source_patch = str(
run_git(rule.path, "diff", "--binary", audit.parent, commit, "--", *audit.source_paths)
)
test_patch = str(
run_git(rule.path, "diff", "--binary", audit.parent, commit, "--", *audit.test_paths)
)
validation = validate_candidate(rule, audit, source_patch, test_patch)
audit.validation = validation
audit.elapsed_seconds += float(validation["elapsed_seconds"])
if not validation["valid"]:
audit.status = "rejected"
audit.reason = str(validation["reason"])
print(f"REJECT {repository_id} {commit[:12]} {audit.reason}", flush=True)
continue
task_id = f"TASK_S4_{repository_id}_{len(selected) + 1:03d}"
source_name = f"{task_id}_source.patch"
test_name = f"{task_id}_tests.patch"
symbols = changed_symbols(rule, audit)
audit.task_id = task_id
audit.status = "selected"
audit.reason = None
selected.append(task_id)
excluded_commits.add(commit)
if write:
text = manifest_text(
rule, audit, task_id, source_name, test_name, symbols
).replace(
"deterministic Study 2 held-out validation",
"deterministic Study 4 fresh-task validation",
)
(manifest_dir / f"{task_id}.toml").write_text(text, encoding="utf-8")
(patch_dir / source_name).write_text(source_patch, encoding="utf-8")
(patch_dir / test_name).write_text(test_patch, encoding="utf-8")
(validation_dir / f"{task_id}.json").write_text(
json.dumps(
{
"schema_version": 1,
"study": "Study 4 fresh-task retrieval replication",
"task_id": task_id,
"repository_id": repository_id,
"commit": commit,
"parent": audit.parent,
"valid_end_to_end": True,
"validation": validation,
},
indent=2,
sort_keys=True,
)
+ "\n",
encoding="utf-8",
)
print(
f"SELECT {task_id} {commit[:12]} source={len(audit.source_paths)} "
f"tests={len(audit.test_paths)} lines={audit.source_changed_lines}",
flush=True,
)
report = {
"schema_version": 1,
"study": "Study 4 fresh-task retrieval replication",
"repository": asdict(rule) | {"path": str(rule.path)},
"selection_policy": {
"fresh_count": count,
"excluded_prior_task_commits": len({task.gold_commit for task in catalog.values()}),
"order": "reverse chronological first-parent history since 2023-01-01",
"outcome_blind": True,
},
"selected_task_ids": selected,
"selected_count": len(selected),
"complete": len(selected) == count,
"audits": [asdict(item) for item in audits],
}
if write:
(selection_dir / f"{repository_id}_selection.json").write_text(
json.dumps(report, indent=2, sort_keys=True) + "\n", encoding="utf-8"
)
if len(selected) != count:
raise RuntimeError(f"{repository_id} yielded {len(selected)}/{count} fresh valid tasks")
return report
def freeze_split(root: Path, count: int) -> tuple[str, ...]:
catalog = load_tasks(root)
expected = [
f"TASK_S4_{repository_id}_{number:03d}"
for repository_id in REPOSITORIES
for number in range(1, count + 1)
]
missing = [task_id for task_id in expected if task_id not in catalog]
if missing:
raise RuntimeError(f"cannot freeze Study 4 split; missing {missing}")
path = root / "tasks" / "splits" / "study4_fresh.txt"
path.write_text(
"# Fresh Study 4 split; frozen before any E10 LLM inference.\n"
+ "\n".join(expected)
+ "\n",
encoding="utf-8",
)
return tuple(expected)
def main() -> None:
parser = argparse.ArgumentParser()
parser.add_argument("--root", type=Path, default=Path(__file__).resolve().parents[1])
parser.add_argument("--repository-id", choices=REPOSITORIES)
parser.add_argument("--count", type=int, default=10)
parser.add_argument("--write", action="store_true")
parser.add_argument("--freeze-split", action="store_true")
args = parser.parse_args()
root = args.root.resolve()
if args.freeze_split:
split = freeze_split(root, args.count)
print(json.dumps({"split_count": len(split), "task_ids": split}, indent=2))
return
if not args.repository_id:
parser.error("--repository-id is required unless --freeze-split is used")
report = select_fresh(root, args.repository_id, args.count, args.write)
print(json.dumps({"repository_id": args.repository_id, "selected": report["selected_count"]}))
if __name__ == "__main__":
main()
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