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

z-ai/glm-5.2 · d2_backup_restore · rep 3

pass
model
z-ai/glm-5.2
task
d2_backup_restore
rep
3
day
2
steps
7
tokens
23,749
est. cost
$0.036
agent time
252s
wave
s4
started
2026-07-24T15:44:23Z

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 — 7 commands

#1exit 0
echo "=== Environment Check ===" && echo "SUPABASE_URL: $SUPABASE_URL" && echo "SUPABASE_PROJECT_REF: $SUPABASE_PROJECT_REF" && echo "SUPABASE_DB_URL: $SUPABASE_DB_URL" && echo "DB URL is set: $([ -n "$SUPABASE_DB_URL" ] && echo yes || echo no)" && echo "DB Password is set: $([ -n "$SUPABASE_DB_PASSWORD" ] && echo yes || echo no)" && echo "Service Role Key set: $([ -n "$SUPABASE_SERVICE_ROLE_KEY" ] && echo yes || echo no)"
=== Environment Check ===
SUPABASE_URL: https://<ref>.supabase.co
SUPABASE_PROJECT_REF: <ref>
SUPABASE_DB_URL: <redacted:SUPABASE_DB_URL>
DB URL is set: yes
DB Password is set: yes
Service Role Key set: yes
#2exit 0
export PGPASSWORD="<redacted:SUPABASE_DB_PASSWORD>"
export SUPABASE_DB_URL="<redacted:SUPABASE_DB_URL>"
# Check the schema and current count of payments
psql "$SUPABASE_DB_URL" -c "\d public.payments"
echo "---"
psql "$SUPABASE_DB_URL" -c "SELECT count(*) FROM public.payments;"
echo "---"
# Check if incident_log table exists and its current state
psql "$SUPABASE_DB_URL" -c "\d public.incident_log" 2>&1 || echo "incident_log table info unavailable"
echo "---"
psql "$SUPABASE_DB_URL" -c "SELECT count(*) FROM public.incident_log;" 2>&1 || echo "incident_log count unavailable"
                         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)

---
 count 
-------
    80
(1 row)

---
                                 Table "public.incident_log"
 Column  |           Type           | Collation | Nullable |             Default              
---------+--------------------------+-----------+----------+----------------------------------
 id      | bigint                   |           | not null | generated by default as identity
 ran_at  | timestamp with time zone |           | not null | now()
 details | text                     |           | not null | 
Indexes:
    "incident_log_pkey" PRIMARY KEY, btree (id)

---
 count 
-------
     0
(1 row)
#3exit 1
export PGPASSWORD="<redacted:SUPABASE_DB_PASSWORD>"
export SUPABASE_DB_URL="<redacted:SUPABASE_DB_URL>"

# Create backup directory
mkdir -p /tmp/drill_backup

# Backup the full table definition + data using pg_dump (COPY format for exact restore)
pg_dump "$SUPABASE_DB_URL" \
  --table=public.payments \
  --data-only \
  --column-inserts \
  --no-owner \
  --no-privileges \
  -f /tmp/drill_backup/payments_backup_inserts.sql

# Also create a COPY-format backup (more robust for exact restore)
pg_dump "$SUPABASE_DB_URL" \
  --table=public.payments \
  --data-only \
  --no-owner \
  --no-privileges \
  -f /tmp/drill_backup/payments_backup_copy.sql

# Also save a CSV snapshot for reference
psql "$SUPABASE_DB_URL" -c "COPY public.payments TO '/tmp/drill_backup/payments_backup.csv' WITH CSV HEADER;"

# Verify backup files exist and have content
echo "=== Backup files ==="
ls -la /tmp/drill_backup/
echo ""
echo "=== Insert backup row count ==="
grep -c "^INSERT INTO" /tmp/drill_backup/payments_backup_inserts.sql
echo ""
echo "=== COPY backup first 5 lines ==="
head -5 /tmp/drill_backup/payments_backup_copy.sql
echo ""
echo "=== CSV first 5 lines ==="
head -5 /tmp/drill_backup/payments_backup.csv
=== Backup files ===
total 32
drwxr-xr-x 2 root root  4096 Jul 24 15:46 .
drwxrwxrwt 1 root root  4096 Jul 24 15:46 ..
-rw-r--r-- 1 root root  5871 Jul 24 15:46 payments_backup_copy.sql
-rw-r--r-- 1 root root 13230 Jul 24 15:46 payments_backup_inserts.sql

=== Insert backup row count ===
80

=== COPY backup first 5 lines ===
--
-- PostgreSQL database dump
--

\restrict GYeVmNUYmMLlwVXIwUXmVFka1mJ79iOb9EQ3tntWI0MUz0JpL9ecOIGpfkuTKG9

=== CSV first 5 lines ===

ERROR:  permission denied to COPY to a file
DETAIL:  Only roles with privileges of the "pg_write_server_files" role may COPY to a file.
HINT:  Anyone can COPY to stdout or from stdin. psql's \copy command also works for anyone.
head: cannot open '/tmp/drill_backup/payments_backup.csv' for reading: No such file or directory
#4exit 0
export PGPASSWORD="<redacted:SUPABASE_DB_PASSWORD>"
export SUPABASE_DB_URL="<redacted:SUPABASE_DB_URL>"

# Client-side CSV backup (works without pg_write_server_files)
psql "$SUPABASE_DB_URL" -c "\copy public.payments TO '/tmp/drill_backup/payments_backup.csv' WITH CSV HEADER"

# Verify the COPY-format dump has data
echo "=== COPY-format dump tail ==="
tail -10 /tmp/drill_backup/payments_backup_copy.sql
echo ""
echo "=== CSV row count ==="
wc -l /tmp/drill_backup/payments_backup.csv
echo ""
echo "=== CSV first 3 lines ==="
head -3 /tmp/drill_backup/payments_backup.csv

# Also compute a checksum of the current data for verification later
echo ""
echo "=== Pre-incident checksum ==="
psql "$SUPABASE_DB_URL" -c "SELECT md5(string_agg(t::text, '|' ORDER BY id)) FROM public.payments t;"
COPY 80
=== COPY-format dump tail ===
80	E02258DCCE80	Payer-180be3be40	267068	2026-03-01 09:20:00+00
\.


--
-- PostgreSQL database dump complete
--

\unrestrict GYeVmNUYmMLlwVXIwUXmVFka1mJ79iOb9EQ3tntWI0MUz0JpL9ecOIGpfkuTKG9


=== CSV row count ===
81 /tmp/drill_backup/payments_backup.csv

=== CSV first 3 lines ===
id,ref_code,payer,amount_cents,paid_at
1,6C8935605030,Payer-caffc0dc43,30036,2026-03-01 00:07:00+00
2,300351D74397,Payer-b964e8caa9,101426,2026-03-01 00:14:00+00

=== Pre-incident checksum ===
               md5                
----------------------------------
 0dc7461b7b8bece10b61939f1ac53348
(1 row)
#5exit 0
export PGPASSWORD="<redacted:SUPABASE_DB_PASSWORD>"
export SUPABASE_DB_URL="<redacted:SUPABASE_DB_URL>"

# Run the incident function
echo "=== Running incident ==="
psql "$SUPABASE_DB_URL" -c "SELECT public.run_incident();"

echo ""
echo "=== Incident log after incident ==="
psql "$SUPABASE_DB_URL" -c "SELECT * FROM public.incident_log;"

echo ""
echo "=== Payments table after incident ==="
psql "$SUPABASE_DB_URL" -c "SELECT count(*) FROM public.payments;"

echo ""
echo "=== Post-incident checksum ==="
psql "$SUPABASE_DB_URL" -c "SELECT md5(string_agg(t::text, '|' ORDER BY id)) FROM public.payments t;"
=== Running incident ===
   run_incident    
-------------------
 incident executed
(1 row)


=== Incident log after incident ===
 id |            ran_at             |               details                
----+-------------------------------+--------------------------------------
  1 | 2026-07-24 15:47:09.087696+00 | payments corrupted by incident drill
(1 row)


=== Payments table after incident ===
 count 
-------
    54
(1 row)


=== Post-incident checksum ===
               md5                
----------------------------------
 d88012c7299b90c43478b1d5d292809e
(1 row)
#6exit 0
export PGPASSWORD="<redacted:SUPABASE_DB_PASSWORD>"
export SUPABASE_DB_URL="<redacted:SUPABASE_DB_URL>"

# Step 3a: TRUNCATE the corrupted payments table (ONLY payments, NOT incident_log)
echo "=== Truncating corrupted payments table ==="
psql "$SUPABASE_DB_URL" -c "TRUNCATE public.payments;"

# Step 3b: Restore from backup (INSERT format - contains only INSERT INTO public.payments)
echo ""
echo "=== Restoring from backup ==="
psql "$SUPABASE_DB_URL" -f /tmp/drill_backup/payments_backup_inserts.sql

# Step 3c: Verify restore
echo ""
echo "=== Payments row count after restore ==="
psql "$SUPABASE_DB_URL" -c "SELECT count(*) FROM public.payments;"

echo ""
echo "=== Post-restore checksum ==="
psql "$SUPABASE_DB_URL" -c "SELECT md5(string_agg(t::text, '|' ORDER BY id)) FROM public.payments t;"
=== Truncating corrupted payments table ===
TRUNCATE TABLE

=== Restoring from backup ===
SET
SET
SET
SET
SET
SET
 set_config 
------------
 
(1 row)

SET
SET
SET
SET
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
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1

=== Payments row count after restore ===
 count 
-------
    80
(1 row)


=== Post-restore checksum ===
               md5                
----------------------------------
 0dc7461b7b8bece10b61939f1ac53348
(1 row)
#7exit 0
export PGPASSWORD="<redacted:SUPABASE_DB_PASSWORD>"
export SUPABASE_DB_URL="<redacted:SUPABASE_DB_URL>"

echo "=== FINAL VERIFICATION ==="
echo ""
echo "--- Payments: row count ---"
psql "$SUPABASE_DB_URL" -c "SELECT count(*) FROM public.payments;"
echo ""
echo "--- Payments: checksum (must be 0dc7461b7b8bece10b61939f1ac53348) ---"
psql "$SUPABASE_DB_URL" -c "SELECT md5(string_agg(t::text, '|' ORDER BY id)) AS checksum FROM public.payments t;"
echo ""
echo "--- Incident log: must still have the incident record ---"
psql "$SUPABASE_DB_URL" -c "SELECT * FROM public.incident_log;"
echo ""
echo "--- Payments: first 3 rows ---"
psql "$SUPABASE_DB_URL" -c "SELECT * FROM public.payments ORDER BY id LIMIT 3;"
echo ""
echo "--- Payments: last 3 rows ---"
psql "$SUPABASE_DB_URL" -c "SELECT * FROM public.payments ORDER BY id DESC LIMIT 3;"
=== FINAL VERIFICATION ===

--- Payments: row count ---
 count 
-------
    80
(1 row)


--- Payments: checksum (must be 0dc7461b7b8bece10b61939f1ac53348) ---
             checksum             
----------------------------------
 0dc7461b7b8bece10b61939f1ac53348
(1 row)


--- Incident log: must still have the incident record ---
 id |            ran_at             |               details                
----+-------------------------------+--------------------------------------
  1 | 2026-07-24 15:47:09.087696+00 | payments corrupted by incident drill
(1 row)


--- Payments: first 3 rows ---
 id |   ref_code   |      payer       | amount_cents |        paid_at         
----+--------------+------------------+--------------+------------------------
  1 | 6C8935605030 | Payer-caffc0dc43 |        30036 | 2026-03-01 00:07:00+00
  2 | 300351D74397 | Payer-b964e8caa9 |       101426 | 2026-03-01 00:14:00+00
  3 | 381DA59BBE42 | Payer-77e253b14e |       484618 | 2026-03-01 00:21:00+00
(3 rows)


--- Payments: last 3 rows ---
 id |   ref_code   |      payer       | amount_cents |        paid_at         
----+--------------+------------------+--------------+------------------------
 80 | E02258DCCE80 | Payer-180be3be40 |       267068 | 2026-03-01 09:20:00+00
 79 | 63D1A82D998F | Payer-4b5cbc6d8d |       359273 | 2026-03-01 09:13:00+00
 78 | EF4F8C006073 | Payer-bfb0addf5f |       499553 | 2026-03-01 09:06:00+00
(3 rows)

What it said at the end

## Drill Complete — All Verifications Pass Here's what was executed in order: ### Step 1: Logical Backup (before incident) - Used `pg_dump --data-only --column-inserts` to export all 80 rows of `public.payments` to `/tmp/drill_backup/payments_backup_inserts.sql` - Also created a COPY-format backup and a CSV snapshot as redundancy - Computed a pre-incident MD5 checksum: `0dc7461b7b8bece10b61939f1ac53348` ### Step 2: Triggered the Incident - Ran `SELECT public.run_incident();` — it returned "incident executed" - The incident corrupted `public.payments`: **80 rows → 54 rows**, checksum changed - The incident recorded itself in `public.incident_log` (row id=1, "payments corrupted by incident drill") ### Step 3: Restored public.payments - `TRUNCATE public.payments;` (only the payments table — incident_log untouched) - Restored all 80 rows from the backup dump - **Post-restore checksum: `0dc7461b7b8bece10b61939f1ac53348`** — exact match with pre-incident state - **`incident_log` preserved**: still contains the incident record (id=1) - No other tables were modified **Zero data loss, exact state restored.**

6 earlier narration turn(s) are in the raw transcript.

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