Files
hermes-sync/sync.sh

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#!/bin/bash
set -e
SYNC_DIR="${SYNC_DIR:-$HOME/.hermes-sync}"
HERMES_HOME="${HERMES_HOME:-$HOME/.hermes}"
HOSTNAME=$(hostname)
cd "$SYNC_DIR"
echo "[$(date '+%H:%M:%S')] Sync from $HOSTNAME..."
# ── Step 1: Export local state.db → state_<hostname>.db ──────────────────
python3 << PYEOF
import sqlite3, os, shutil
local_db = os.path.join(os.environ['HERMES_HOME'], 'state.db')
export_db = os.path.join(os.environ['SYNC_DIR'], f"state_{os.environ['HOSTNAME']}.db")
# Checkpoint WAL
try:
conn = sqlite3.connect(local_db)
conn.execute('PRAGMA wal_checkpoint(TRUNCATE)')
conn.execute('PRAGMA optimize')
conn.close()
except Exception as e:
print(f'Checkpoint: {e}', file=__import__('sys').stderr)
shutil.copy2(local_db, export_db)
print(f'Exported: {export_db}')
PYEOF
# ── Step 2: Git stage ────────────────────────────────────────────────────
git add -A
HAS_LOCAL=false
if ! git diff --cached --quiet || ! git diff --quiet; then
HAS_LOCAL=true
fi
# ── Step 3: Fetch + merge ─────────────────────────────────────────────────
git fetch origin main
if git rev-parse HEAD >/dev/null 2>&1 && \
git rev-parse origin/main >/dev/null 2>&1 && \
! git merge-base --is-ancestor HEAD origin/main 2>/dev/null; then
echo "Merging remote..."
if [ "$HAS_LOCAL" = true ]; then
git stash push -m "local $(date)" 2>/dev/null || true
if ! git merge origin/main --no-edit 2>/dev/null; then
git checkout --ours sync.sh memories/MEMORY.md 2>/dev/null || true
git add -A
git commit -m "Auto-resolve $(date)" 2>/dev/null || true
fi
if git stash list | grep -q "local "; then
git stash pop 2>/dev/null || true
git rebase origin/main 2>/dev/null || {
git rebase --abort 2>/dev/null || true
git merge origin/main --no-edit 2>/dev/null || true
}
fi
else
git merge origin/main --no-edit 2>/dev/null || \
git merge --ff-only origin/main 2>/dev/null || \
git reset --hard origin/main
fi
fi
# ── Step 4: Merge all state_*.db → state_merged.db ──────────────────────
python3 << 'PYEOF'
import sqlite3, os, glob, shutil
sync_dir = os.environ['SYNC_DIR']
hermes_home = os.environ['HERMES_HOME']
merged_path = os.path.join(sync_dir, 'state_merged.db')
db_files = sorted(glob.glob(os.path.join(sync_dir, 'state_*.db')))
db_files = [f for f in db_files if not f.endswith('_merged.db')]
print(f'DBs to merge: {[os.path.basename(f) for f in db_files]}')
if os.path.exists(merged_path):
os.remove(merged_path)
def get_schema(conn, table):
cols = conn.execute(f'PRAGMA table_info("{table}")').fetchall()
return [c[1] for c in cols] # column names
def copy_table(src_conn, dst_conn, table):
cols = get_schema(src_conn, table)
placeholders = ','.join(['?'] * len(cols))
col_names = ','.join(f'"{c}"' for c in cols)
rows = src_conn.execute(f'SELECT {col_names} FROM "{table}"').fetchall()
for row in rows:
dst_conn.execute(f'INSERT OR REPLACE INTO "{table}" ({col_names}) VALUES ({placeholders})', row)
return len(rows)
# Open merged DB and rebuild from scratch
conn_merged = sqlite3.connect(merged_path)
conn_merged.execute('PRAGMA journal_mode=WAL')
conn_merged.execute('PRAGMA synchronous=NORMAL')
# We need at least one source to initialize schema
if not db_files:
print('No state DBs found, creating empty merged DB')
conn_merged.execute('''
CREATE TABLE IF NOT EXISTS sessions (
id TEXT PRIMARY KEY, source TEXT NOT NULL, user_id TEXT,
model TEXT, model_config TEXT, system_prompt TEXT,
parent_session_id TEXT, started_at REAL, ended_at REAL,
end_reason TEXT, message_count INTEGER DEFAULT 0,
tool_call_count INTEGER DEFAULT 0, input_tokens INTEGER DEFAULT 0,
output_tokens INTEGER DEFAULT 0, cache_read_tokens INTEGER DEFAULT 0,
cache_write_tokens INTEGER DEFAULT 0, reasoning_tokens INTEGER DEFAULT 0,
billing_provider TEXT, billing_base_url TEXT, billing_mode TEXT,
estimated_cost_usd REAL, actual_cost_usd REAL,
cost_status TEXT, cost_source TEXT, pricing_version TEXT, title TEXT
)''')
conn_merged.execute('''
CREATE TABLE IF NOT EXISTS messages (
id INTEGER PRIMARY KEY,
session_id TEXT NOT NULL, role TEXT NOT NULL, content TEXT,
tool_call_id TEXT, tool_calls TEXT, tool_name TEXT,
timestamp REAL NOT NULL, token_count INTEGER,
finish_reason TEXT, reasoning TEXT, reasoning_details TEXT,
codex_reasoning_items TEXT
)''')
conn_merged.commit()
else:
first_db = db_files[0]
src_conn = sqlite3.connect(first_db)
src_conn.execute('PRAGMA wal_checkpoint(TRUNCATE)')
for table in ['sessions', 'messages']:
cols = get_schema(src_conn, table)
col_defs = []
for c in cols:
if c == 'id' and table == 'messages':
col_defs.append('id INTEGER PRIMARY KEY')
elif c == 'id':
col_defs.append(f'{c} TEXT PRIMARY KEY')
else:
col_defs.append(f'{c} TEXT')
conn_merged.execute(f'DROP TABLE IF EXISTS "{table}"')
conn_merged.execute(f'CREATE TABLE "{table}" ({", ".join(col_defs)})')
placeholders = ','.join(['?'] * len(cols))
col_names = ','.join(f'"{c}"' for c in cols)
rows = src_conn.execute(f'SELECT {col_names} FROM "{table}"').fetchall()
for row in rows:
conn_merged.execute(f'INSERT OR REPLACE INTO "{table}" ({col_names}) VALUES ({placeholders})', row)
print(f' {os.path.basename(first_db)}.{table}: {len(rows)} rows')
src_conn.close()
conn_merged.execute('PRAGMA wal_checkpoint(TRUNCATE)')
conn_merged.commit()
conn_merged.close()
print(f'Merged: {merged_path} ({os.path.getsize(merged_path)/1024:.0f} KB)')
PYEOF
# ── Step 5: Push ─────────────────────────────────────────────────────────
if [ "$HAS_LOCAL" = true ]; then
git commit -m "Sync $(date '+%Y-%m-%d %H:%M')" 2>/dev/null || true
if ! git push origin main 2>&1; then
echo "Push rejected, pulling..."
git pull origin main --no-edit 2>/dev/null || true
git push origin main 2>&1 || echo "Push failed"
fi
else
echo "No local changes"
fi
# ── Step 6: Restore merged state to local hermes ─────────────────────────
python3 << 'PYEOF'
import sqlite3, os, shutil
sync_dir = os.environ['SYNC_DIR']
hermes_home = os.environ['HERMES_HOME']
merged_path = os.path.join(sync_dir, 'state_merged.db')
local_db = os.path.join(hermes_home, 'state.db')
if not os.path.exists(merged_path):
print('No merged DB, skipping restore')
else:
# Checkpoint + close local
try:
conn = sqlite3.connect(local_db)
conn.execute('PRAGMA wal_checkpoint(TRUNCATE)')
conn.execute('PRAGMA optimize')
conn.close()
except Exception as e:
print(f'Local checkpoint: {e}')
# Backup
shutil.copy2(local_db, local_db + '.pre_sync_bak')
# Replace with merged
shutil.copy2(merged_path, local_db)
print(f'Restored merged state to {local_db}')
# Remove backup after successful restore
bak = local_db + '.pre_sync_bak'
if os.path.exists(bak):
os.remove(bak)
PYEOF
# ── Step 7: Sync memories + skills (additive) ────────────────────────────
cp "$SYNC_DIR/memories/MEMORY.md" "$HERMES_HOME/memories/MEMORY.md" 2>/dev/null || true
if [ -d "$SYNC_DIR/skills" ]; then
mkdir -p "$HERMES_HOME/skills"
rsync -a --ignore-existing "$SYNC_DIR/skills/" "$HERMES_HOME/skills/" 2>/dev/null || \
cp -rn "$SYNC_DIR/skills/"* "$HERMES_HOME/skills/" 2>/dev/null || true
fi
echo "[$(date '+%H:%M:%S')] Done"