$ pgroll convert --help
Convert SQL statements to pgroll migrations. The command can read SQL statements from stdin or a file

Usage:
  pgroll convert <path to file with migrations> [flags]
  Flags:
  -h, --help          help for convert
  -n, --name string   Name of the migration (default "{current_timestamp}")

$ echo "CREATE TABLE t1(); alter table t1 add column name text; create type t1 as enum ('1','2','3')" | pgroll convert
{
  "name": "20250220125242",
  "operations": [
    {
      "create_table": {
        "columns": null,
        "name": "t1"
      }
    },
    {
      "add_column": {
        "column": {
          "name": "name",
          "nullable": true,
          "type": "text"
        },
        "table": "t1",
        "up": "TODO: Implement SQL data migration"
      }
    },
    {
      "sql": {
        "up": "create type t1 as enum ('1','2','3')"
      }
    }
  ]
}