#!/usr/bin/env python3
"""Run shell suites from a detached worktree, capture every exit."""
import pathlib, subprocess, json, datetime, sys, os
root=pathlib.Path.cwd()
if root == pathlib.Path('/mnt/storage/src/mosaic-stack'):
    raise SystemExit('gate refuses canonical checkout')
if subprocess.check_output(['git','branch','--show-current'],text=True).strip():
    raise SystemExit('gate requires detached HEAD')
if os.environ.get('DOCKER_HOST') != 'unix:///nonexistent.sock':
    raise SystemExit('decision 127 requires DOCKER_HOST=unix:///nonexistent.sock')
out=pathlib.Path(sys.argv[1]); out.mkdir(parents=True,exist_ok=True)
results=[]
for suite in sorted(root.glob('scripts/test-*.sh')):
    began=datetime.datetime.now(datetime.timezone.utc).isoformat()
    with (out/(suite.stem+'.txt')).open('w') as log:
        p=subprocess.run(['bash',str(suite)],cwd=root,stdout=log,stderr=subprocess.STDOUT,timeout=600)
    row={'suite':str(suite.relative_to(root)),'exit':p.returncode,'began':began,'ended':datetime.datetime.now(datetime.timezone.utc).isoformat()}
    results.append(row)
    (out/'shell-results.json').write_text(json.dumps(results,indent=2)+'\n')
    print(json.dumps(row),flush=True)
sys.exit(any(r['exit'] for r in results))