#!/usr/bin/env bash
# Generated by `atlas autoresearch` — the Goodhart guard.
#
# A candidate may only change the artifact under test. If a run modifies any
# OTHER tracked file (e.g. rewrites the evaluator or test data to fake a pass),
# this gate fails (exit non-zero) and the candidate is scored worst, so the
# Pareto front never elevates a cheat. Relax IGNORE_RE if your run legitimately
# rewrites tracked files (checkpoints, logs, and .atlas/ are already ignored).
set -uo pipefail
WT="${1:-$PWD}"
TARGET="${ATLAS_OPTIMIZE_TARGET:-$2}"
REL="${TARGET#"$WT"/}"
IGNORE_RE='^(outputs/|out/|checkpoints/|runs/|wandb/|\.atlas/|.*\.log$|.*\.ckpt$|.*\.pt$|.*\.bin$|.*\.safetensors$)'
CHANGED="$(git -C "$WT" status --porcelain --untracked-files=no 2>/dev/null \
  | sed 's/^...//' \
  | { [ -n "$REL" ] && grep -vF -- "$REL" || cat; } \
  | grep -Ev "$IGNORE_RE" || true)"
if [ -n "$CHANGED" ]; then
  echo "[gate] the run modified tracked files other than the candidate:" >&2
  echo "$CHANGED" >&2
  exit 1
fi
exit 0