old_contents: """increase artifact name length
  
  Revision ID: 3961ccb5d884
  Revises: 1b229c83511d
  Create Date: 2015-11-05 15:34:28.189700
  
  """
  
  # revision identifiers, used by Alembic.
  revision = '3961ccb5d884'
  down_revision = '1b229c83511d'
  
  from alembic import op
  import sqlalchemy as sa
  
  
  def upgrade():
      op.alter_column('artifact', 'name', sa.VARCHAR(1024))
  
  
  def downgrade():
      op.alter_column('artifact', 'name', sa.VARCHAR(128))
  
new_contents: """increase artifact name length
  
  Revision ID: 3961ccb5d884
  Revises: 1b229c83511d
  Create Date: 2015-11-05 15:34:28.189700
  
  """
  
  # revision identifiers, used by Alembic.
  revision = '3961ccb5d884'
  down_revision = '1b229c83511d'
  
  from alembic import op
  import sqlalchemy as sa
  
  
  def upgrade():
      op.alter_column('artifact', 'name', type_=sa.VARCHAR(1024))
  
  
  def downgrade():
      op.alter_column('artifact', 'name', type_=sa.VARCHAR(128))
  
subject: Fix extend artifact name migration script.