"""versioning_passwords

Revision ID: 1b6d7dc5600a
Revises: 3b441ef4e928
Create Date: 2016-01-13 07:57:23.465676

"""

# revision identifiers, used by Alembic.
revision = '1b6d7dc5600a'
down_revision = '3b441ef4e928'

from alembic import op
import sqlalchemy as sa
import sqlalchemy.orm
from pagure.lib import model


def upgrade():
    engine = op.get_bind().engine
    session = sa.orm.scoped_session(sa.orm.sessionmaker(bind=engine))
    session.query(model.User).update(
        {model.User.password: '$1$' + model.User.password}, synchronize_session=False)
    session.commit()


def downgrade():
    raise ValueError("Password can not be downgraded")