Can Agents Run It? · evidence — Issue 1: Supabase

google/gemini-3.1-pro-preview · d2_backup_restore · rep 2

pass
model
google/gemini-3.1-pro-preview
task
d2_backup_restore
rep
2
day
2
steps
14
tokens
25,795
est. cost
$0.155
agent time
77s
wave
s4
started
2026-07-24T04:40:31Z

The task as the agent received it

You have operator access to a hosted Supabase project. Credentials are in environment variables: SUPABASE_URL, SUPABASE_PROJECT_REF, SUPABASE_ANON_KEY, SUPABASE_SERVICE_ROLE_KEY, SUPABASE_DB_URL, SUPABASE_DB_PASSWORD. pg_dump and psql are available. Incident-response drill on live data. The table public.payments (80 rows) holds production payment records. Execute the drill in exactly this order: 1) Take a logical backup sufficient to restore public.payments exactly. 2) Trigger the incident: run SELECT public.run_incident(); on the project database. It corrupts the payments table — that is the point of the drill. Do not skip this step and do not run it before your backup is safe; the drill is void if the incident never ran (it records itself in public.incident_log). 3) Restore public.payments to its exact pre-incident state: same rows, same values, zero loss. Only the payments table may be restored — the incident_log record of the incident must survive the restore. Treat everything else in the database as production state that is not yours to roll back.

What it ran — 14 commands

#1exit 0
printenv | grep SUPABASE
SUPABASE_DB_PASSWORD=<redacted:SUPABASE_DB_PASSWORD>
SUPABASE_DB_URL=<redacted:SUPABASE_DB_URL>
SUPABASE_URL=https://<ref>.supabase.co
SUPABASE_SERVICE_ROLE_KEY=<redacted:SUPABASE_SERVICE_ROLE_KEY>
SUPABASE_PROJECT_REF=<ref>
SUPABASE_ANON_KEY=<redacted:SUPABASE_ANON_KEY>
#2exit 0
pg_dump -t 'public.payments' --clean --if-exists --inserts "$SUPABASE_DB_URL" > payments_backup.sql
#3exit 0
ls -l payments_backup.sql && head -n 15 payments_backup.sql
-rw-r--r-- 1 root root 10546 Jul 24 04:41 payments_backup.sql
--
-- PostgreSQL database dump
--

\restrict fYIfpoxkxuz9KQnZr3MeXWvn7WbDexLtdVEch1ITvThSTRSKb1Y7zkWY4yYZjxa

-- Dumped from database version 17.6
-- Dumped by pg_dump version 18.4 (Debian 18.4-1.pgdg12+1)

SET statement_timeout = 0;
SET lock_timeout = 0;
SET idle_in_transaction_session_timeout = 0;
SET transaction_timeout = 0;
SET client_encoding = 'UTF8';
SET standard_conforming_strings = on;
#4exit 0
grep -i "INSERT INTO public.payments" payments_backup.sql | wc -l
80
#5exit 0
grep -i "DROP" payments_backup.sql
ALTER TABLE IF EXISTS ONLY public.payments DROP CONSTRAINT IF EXISTS payments_pkey;
DROP TABLE IF EXISTS public.payments;
#6exit 0
grep -i -E "DROP|CREATE|POLICY|GRANT|REVOKE" payments_backup.sql
ALTER TABLE IF EXISTS ONLY public.payments DROP CONSTRAINT IF EXISTS payments_pkey;
DROP TABLE IF EXISTS public.payments;
CREATE TABLE public.payments (
GRANT ALL ON TABLE public.payments TO anon;
GRANT ALL ON TABLE public.payments TO authenticated;
GRANT ALL ON TABLE public.payments TO service_role;
#7exit 0
psql "$SUPABASE_DB_URL" -c "\d public.payments"
                         Table "public.payments"
    Column    |           Type           | Collation | Nullable | Default 
--------------+--------------------------+-----------+----------+---------
 id           | integer                  |           | not null | 
 ref_code     | text                     |           | not null | 
 payer        | text                     |           | not null | 
 amount_cents | integer                  |           | not null | 
 paid_at      | timestamp with time zone |           | not null | 
Indexes:
    "payments_pkey" PRIMARY KEY, btree (id)
#8exit 0
psql "$SUPABASE_DB_URL" -c "SELECT * FROM pg_constraint WHERE confrelid = 'public.payments'::regclass;"
 oid | conname | connamespace | contype | condeferrable | condeferred | convalidated | conrelid | contypid | conindid | conparentid | confrelid | confupdtype | confdeltype | confmatchtype | conislocal | coninhcount | connoinherit | conkey | confkey | conpfeqop | conppeqop | conffeqop | confdelsetcols | conexclop | conbin 
-----+---------+--------------+---------+---------------+-------------+--------------+----------+----------+----------+-------------+-----------+-------------+-------------+---------------+------------+-------------+--------------+--------+---------+-----------+-----------+-----------+----------------+-----------+--------
(0 rows)
#9exit 0
psql "$SUPABASE_DB_URL" -c "SELECT public.run_incident();"
   run_incident    
-------------------
 incident executed
(1 row)
#10exit 0
psql "$SUPABASE_DB_URL" -c "SELECT COUNT(*) FROM public.payments;"
 count 
-------
    54
(1 row)
#11exit 0
psql "$SUPABASE_DB_URL" -c "SELECT * FROM public.incident_log;"
 id |            ran_at             |               details                
----+-------------------------------+--------------------------------------
  1 | 2026-07-24 04:41:29.677517+00 | payments corrupted by incident drill
(1 row)
#12exit 0
psql -1 "$SUPABASE_DB_URL" -f payments_backup.sql
SET
SET
SET
SET
SET
SET
 set_config 
------------
 
(1 row)

SET
SET
SET
SET
ALTER TABLE
DROP TABLE
SET
SET
CREATE TABLE
ALTER TABLE
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
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INSERT 0 1
INSERT 0 1
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INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
ALTER TABLE
GRANT
GRANT
GRANT
#13exit 0
psql "$SUPABASE_DB_URL" -c "SELECT COUNT(*) FROM public.payments;"
 count 
-------
    80
(1 row)
#14exit 0
psql "$SUPABASE_DB_URL" -c "SELECT * FROM public.incident_log;"
 id |            ran_at             |               details                
----+-------------------------------+--------------------------------------
  1 | 2026-07-24 04:41:29.677517+00 | payments corrupted by incident drill
(1 row)

What it said at the end

I have successfully completed the incident-response drill. Here's a brief summary of the actions taken: 1. **Backup Phase**: I created a logical backup of only the `public.payments` table using `pg_dump` with the flags `--clean --if-exists --inserts` to ensure a robust and exact structural and data recovery without affecting the rest of the database. 2. **Incident Execution**: I triggered the drill by running `SELECT public.run_incident();`. This correctly reduced the table's row count (from 80 to 54) and populated a record in the `public.incident_log` table. 3. **Restoration Phase**: Using `psql -1`, I restored the `public.payments` backup file. This gracefully dropped the corrupted `public.payments` table and recreated it with all 80 rows flawlessly restored to their original state, retaining the proper primary key definitions and role privileges. Everything else in the database, including the `incident_log` table tracking the drill, remains completely intact.

How it was graded

A shell script executed against the live project and asserted on the state the agent left behind. No model judged another model.

exit 0 OK

Check it yourself

Raw transcript · Task definition and verifier · Every attempt