#!/usr/bin/env bash
# Create a named checkpoint before risky operations
# Usage: jj-checkpoint [NAME]
# Later restore with: jj op restore <op-id>
# NAME defaults to "checkpoint"

set -euo pipefail

name="${1:-checkpoint}"

# Get current operation ID
op_id=$(jj op log -n1 --no-graph -T 'self.id().short(12)')

echo "📍 Checkpoint '$name' at operation: $op_id"
echo "   Restore with: jj op restore $op_id"
echo ""
echo "   Current state:"
jj log -r @ -n1 -T 'change_id.shortest(8) ++ " " ++ description.first_line()'